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All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #ifndef __DISPATCH_BASE__ #define __DISPATCH_BASE__ #ifndef __DISPATCH_INDIRECT__ #error "Please #include instead of this file directly." #endif #ifdef __cplusplus /* * Dispatch objects are NOT C++ objects. Nevertheless, we can at least keep C++ * aware of type compatibility. */ typedef struct dispatch_object_s { private: dispatch_object_s(); ~dispatch_object_s(); dispatch_object_s(const dispatch_object_s &); void operator=(const dispatch_object_s &); } *dispatch_object_t; #else typedef union { struct dispatch_object_s *_do; struct dispatch_continuation_s *_dc; struct dispatch_queue_s *_dq; struct dispatch_queue_attr_s *_dqa; struct dispatch_group_s *_dg; struct dispatch_source_s *_ds; struct dispatch_source_attr_s *_dsa; struct dispatch_semaphore_s *_dsema; } dispatch_object_t __attribute__((transparent_union)); #endif typedef void (*dispatch_function_t)(void *); #ifdef __cplusplus #define DISPATCH_DECL(name) typedef struct name##_s : public dispatch_object_s {} *name##_t #else /*! @parseOnly */ #define DISPATCH_DECL(name) typedef struct name##_s *name##_t #endif #ifdef __GNUC__ #define DISPATCH_NORETURN __attribute__((__noreturn__)) #define DISPATCH_NOTHROW __attribute__((__nothrow__)) #define DISPATCH_NONNULL1 __attribute__((__nonnull__(1))) #define DISPATCH_NONNULL2 __attribute__((__nonnull__(2))) #define DISPATCH_NONNULL3 __attribute__((__nonnull__(3))) #define DISPATCH_NONNULL4 __attribute__((__nonnull__(4))) #define DISPATCH_NONNULL5 __attribute__((__nonnull__(5))) #define DISPATCH_NONNULL6 __attribute__((__nonnull__(6))) #define DISPATCH_NONNULL7 __attribute__((__nonnull__(7))) #if __clang__ // rdar://problem/6857843 #define DISPATCH_NONNULL_ALL #else #define DISPATCH_NONNULL_ALL __attribute__((__nonnull__)) #endif #define DISPATCH_SENTINEL __attribute__((__sentinel__)) #define DISPATCH_PURE __attribute__((__pure__)) #define DISPATCH_WARN_RESULT __attribute__((__warn_unused_result__)) #define DISPATCH_MALLOC __attribute__((__malloc__)) #define DISPATCH_FORMAT(...) __attribute__((__format__(__VA_ARGS__))) #else /*! @parseOnly */ #define DISPATCH_NORETURN /*! @parseOnly */ #define DISPATCH_NOTHROW /*! @parseOnly */ #define DISPATCH_NONNULL1 /*! @parseOnly */ #define DISPATCH_NONNULL2 /*! @parseOnly */ #define DISPATCH_NONNULL3 /*! @parseOnly */ #define DISPATCH_NONNULL4 /*! @parseOnly */ #define DISPATCH_NONNULL5 /*! @parseOnly */ #define DISPATCH_NONNULL6 /*! @parseOnly */ #define DISPATCH_NONNULL7 /*! @parseOnly */ #define DISPATCH_NONNULL_ALL /*! @parseOnly */ #define DISPATCH_SENTINEL /*! @parseOnly */ #define DISPATCH_PURE /*! @parseOnly */ #define DISPATCH_WARN_RESULT /*! @parseOnly */ #define DISPATCH_MALLOC /*! @parseOnly */ #define DISPATCH_FORMAT(...) #endif #if __GNUC__ #define DISPATCH_EXPORT extern __attribute__((visibility("default"))) #else #define DISPATCH_EXPORT extern #endif #endif libdispatch-0~svn197/dispatch/benchmark.h0000644000175100017500000000546611505136243020145 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ /* * IMPORTANT: This header file describes INTERNAL interfaces to libdispatch * which are subject to change in future releases of Mac OS X. Any applications * relying on these interfaces WILL break. */ #ifndef __DISPATCH_BENCHMARK__ #define __DISPATCH_BENCHMARK__ #ifndef __DISPATCH_INDIRECT__ #error "Please #include instead of this file directly." #include // for HeaderDoc #endif __DISPATCH_BEGIN_DECLS /*! * @function dispatch_benchmark * * @abstract * Count the average number of cycles a given block takes to execute. * * @param count * The number of times to serially execute the given block. * * @param block * The block to execute. * * @result * The approximate number of cycles the block takes to execute. * * @discussion * This function is for debugging and performance analysis work. For the best * results, pass a high count value to dispatch_benchmark(). When benchmarking * concurrent code, please compare the serial version of the code against the * concurrent version, and compare the concurrent version on different classes * of hardware. Please look for inflection points with various data sets and * keep the following facts in mind: * * 1) Code bound by computational bandwidth may be inferred by proportional * changes in performance as concurrency is increased. * 2) Code bound by memory bandwidth may be inferred by negligible changes in * performance as concurrency is increased. * 3) Code bound by critical sections may be inferred by retrograde changes in * performance as concurrency is increased. * 3a) Intentional: locks, mutexes, and condition variables. * 3b) Accidental: unrelated and frequently modified data on the same cache-line. */ #ifdef __BLOCKS__ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL2 DISPATCH_NOTHROW uint64_t dispatch_benchmark(size_t count, void (^block)(void)); #endif __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL3 DISPATCH_NOTHROW uint64_t dispatch_benchmark_f(size_t count, void *ctxt, void (*func)(void *)); __DISPATCH_END_DECLS #endif libdispatch-0~svn197/dispatch/group.h0000644000175100017500000002033011505136243017332 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #ifndef __DISPATCH_GROUP__ #define __DISPATCH_GROUP__ #ifndef __DISPATCH_INDIRECT__ #error "Please #include instead of this file directly." #include // for HeaderDoc #endif /*! * @typedef dispatch_group_t * @abstract * A group of blocks submitted to queues for asynchronous invocation. */ DISPATCH_DECL(dispatch_group); __DISPATCH_BEGIN_DECLS /*! * @function dispatch_group_create * * @abstract * Creates new group with which blocks may be associated. * * @discussion * This function creates a new group with which blocks may be associated. * The dispatch group may be used to wait for the completion of the blocks it * references. The group object memory is freed with dispatch_release(). * * @result * The newly created group, or NULL on failure. */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_WARN_RESULT dispatch_group_t dispatch_group_create(void); /*! * @function dispatch_group_async * * @abstract * Submits a block to a dispatch queue and associates the block with the given * dispatch group. * * @discussion * Submits a block to a dispatch queue and associates the block with the given * dispatch group. The dispatch group may be used to wait for the completion * of the blocks it references. * * @param group * A dispatch group to associate with the submitted block. * The result of passing NULL in this parameter is undefined. * * @param queue * The dispatch queue to which the block will be submitted for asynchronous * invocation. * * @param block * The block to perform asynchronously. */ #ifdef __BLOCKS__ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL_ALL void dispatch_group_async(dispatch_group_t group, dispatch_queue_t queue, dispatch_block_t block); #endif /* __BLOCKS__ */ /*! * @function dispatch_group_async_f * * @abstract * Submits a function to a dispatch queue and associates the block with the * given dispatch group. * * @discussion * See dispatch_group_async() for details. * * @param group * A dispatch group to associate with the submitted function. * The result of passing NULL in this parameter is undefined. * * @param queue * The dispatch queue to which the function will be submitted for asynchronous * invocation. * * @param context * The application-defined context parameter to pass to the function. * * @param work * The application-defined function to invoke on the target queue. The first * parameter passed to this function is the context provided to * dispatch_group_async_f(). */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL1 DISPATCH_NONNULL2 DISPATCH_NONNULL4 void dispatch_group_async_f(dispatch_group_t group, dispatch_queue_t queue, void *context, dispatch_function_t work); /*! * @function dispatch_group_wait * * @abstract * Wait synchronously for the previously submitted blocks to complete; * returns if the blocks have not completed within the specified timeout. * * @discussion * This function waits for the completion of the blocks associated with the * given dispatch group, and returns after all blocks have completed or when * the specified timeout has elapsed. When a timeout occurs, the group is * restored to its original state. * * This function will return immediately if there are no blocks associated * with the dispatch group (i.e. the group is empty). * * The result of calling this function from mulitple threads simultaneously * with the same dispatch group is undefined. * * After the successful return of this function, the dispatch group is empty. * It may either be released with dispatch_release() or re-used for additional * blocks. See dispatch_group_async() for more information. * * @param group * The dispatch group to wait on. * The result of passing NULL in this parameter is undefined. * * @param timeout * When to timeout (see dispatch_time). As a convenience, there are the * DISPATCH_TIME_NOW and DISPATCH_TIME_FOREVER constants. * * @result * Returns zero on success (all blocks associated with the group completed * within the specified timeout) or non-zero on error (i.e. timed out). */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL_ALL long dispatch_group_wait(dispatch_group_t group, dispatch_time_t timeout); /*! * @function dispatch_group_notify * * @abstract * Schedule a block to be submitted to a queue when a group of previously * submitted blocks have completed. * * @discussion * This function schedules a notification block to be submitted to the specified * queue once all blocks associated with the dispatch group have completed. * * If no blocks are associated with the dispatch group (i.e. the group is empty) * then the notification block will be submitted immediately. * * The group will be empty at the time the notification block is submitted to * the target queue. The group may either be released with dispatch_release() * or reused for additional operations. * See dispatch_group_async() for more information. * * @param group * The dispatch group to observe. * The result of passing NULL in this parameter is undefined. * * @param queue * The queue to which the supplied block will be submitted when the group * completes. * * @param block * The block to submit when the group completes. */ #ifdef __BLOCKS__ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL_ALL void dispatch_group_notify(dispatch_group_t group, dispatch_queue_t queue, dispatch_block_t block); #endif /* __BLOCKS__ */ /*! * @function dispatch_group_notify_f * * @abstract * Schedule a function to be submitted to a queue when a group of previously * submitted functions have completed. * * @discussion * See dispatch_group_notify() for details. * * @param group * The dispatch group to observe. * The result of passing NULL in this parameter is undefined. * * @param context * The application-defined context parameter to pass to the function. * * @param work * The application-defined function to invoke on the target queue. The first * parameter passed to this function is the context provided to * dispatch_group_notify_f(). */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL1 DISPATCH_NONNULL2 DISPATCH_NONNULL4 void dispatch_group_notify_f(dispatch_group_t group, dispatch_queue_t queue, void *context, dispatch_function_t work); /*! * @function dispatch_group_enter * * @abstract * Manually indicate a block has entered the group * * @discussion * Calling this function indicates another block has joined the group through * a means other than dispatch_group_async(). Calls to this function must be * balanced with dispatch_group_leave(). * * @param group * The dispatch group to update. * The result of passing NULL in this parameter is undefined. */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NOTHROW DISPATCH_NONNULL_ALL void dispatch_group_enter(dispatch_group_t group); /*! * @function dispatch_group_leave * * @abstract * Manually indicate a block in the group has completed * * @discussion * Calling this function indicates block has completed and left the dispatch * groupJ by a means other than dispatch_group_async(). * * @param group * The dispatch group to update. * The result of passing NULL in this parameter is undefined. */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NOTHROW DISPATCH_NONNULL_ALL void dispatch_group_leave(dispatch_group_t group); __DISPATCH_END_DECLS #endif libdispatch-0~svn197/dispatch/time.h0000644000175100017500000000547011505136243017144 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #ifndef __DISPATCH_TIME__ #define __DISPATCH_TIME__ #ifndef __DISPATCH_INDIRECT__ #error "Please #include instead of this file directly." #include // for HeaderDoc #endif #include __DISPATCH_BEGIN_DECLS struct timespec; // 6368156 #ifdef NSEC_PER_SEC #undef NSEC_PER_SEC #endif #ifdef USEC_PER_SEC #undef USEC_PER_SEC #endif #ifdef NSEC_PER_USEC #undef NSEC_PER_USEC #endif #ifdef NSEC_PER_MSEC #undef NSEC_PER_MSEC #endif #define NSEC_PER_SEC 1000000000ull #define NSEC_PER_MSEC 1000000ull #define USEC_PER_SEC 1000000ull #define NSEC_PER_USEC 1000ull /*! * @typedef dispatch_time_t * * @abstract * An somewhat abstract representation of time; where zero means "now" and * DISPATCH_TIME_FOREVER means "infinity" and every value in between is an * opaque encoding. */ typedef uint64_t dispatch_time_t; #define DISPATCH_TIME_NOW 0 #define DISPATCH_TIME_FOREVER (~0ull) /*! * @function dispatch_time * * @abstract * Create dispatch_time_t relative to the default clock or modify an existing * dispatch_time_t. * * @discussion * On Mac OS X the default clock is based on mach_absolute_time(). * * @param when * An optional dispatch_time_t to add nanoseconds to. If zero is passed, then * dispatch_time() will use the result of mach_absolute_time(). * * @param delta * Nanoseconds to add. * * @result * A new dispatch_time_t. */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NOTHROW dispatch_time_t dispatch_time(dispatch_time_t when, int64_t delta); /*! * @function dispatch_walltime * * @abstract * Create a dispatch_time_t using the wall clock. * * @discussion * On Mac OS X the wall clock is based on gettimeofday(3). * * @param when * A struct timespect to add time to. If NULL is passed, then * dispatch_walltime() will use the result of gettimeofday(3). * * @param delta * Nanoseconds to add. * * @result * A new dispatch_time_t. */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NOTHROW dispatch_time_t dispatch_walltime(const struct timespec *when, int64_t delta); __DISPATCH_END_DECLS #endif libdispatch-0~svn197/dispatch/dispatch.h0000644000175100017500000000331411505136243020000 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #ifndef __DISPATCH_PUBLIC__ #define __DISPATCH_PUBLIC__ #ifdef __APPLE__ #include #include #endif #if HAVE_SYS_CDEFS_H #include #endif #include #include #include #include #if HAVE_UNISTD_H #include #endif #if defined(__cplusplus) #define __DISPATCH_BEGIN_DECLS extern "C" { #define __DISPATCH_END_DECLS } #else #define __DISPATCH_BEGIN_DECLS #define __DISPATCH_END_DECLS #endif #ifndef __OSX_AVAILABLE_STARTING #define __OSX_AVAILABLE_STARTING(x, y) #endif #define DISPATCH_API_VERSION 20090501 #ifndef __DISPATCH_BUILDING_DISPATCH__ #ifndef __DISPATCH_INDIRECT__ #define __DISPATCH_INDIRECT__ #endif #include #include #include #include #include #include #include #include #undef __DISPATCH_INDIRECT__ #endif /* !__DISPATCH_BUILDING_DISPATCH__ */ #endif libdispatch-0~svn197/dispatch/source.h0000644000175100017500000005110411505136243017501 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #ifndef __DISPATCH_SOURCE__ #define __DISPATCH_SOURCE__ #ifndef __DISPATCH_INDIRECT__ #error "Please #include instead of this file directly." #include // for HeaderDoc #endif #if TARGET_OS_MAC #include #include #endif #include /*! * @header * The dispatch framework provides a suite of interfaces for monitoring low- * level system objects (file descriptors, Mach ports, signals, VFS nodes, etc.) * for activity and automatically submitting event handler blocks to dispatch * queues when such activity occurs. * * This suite of interfaces is known as the Dispatch Source API. */ /*! * @typedef dispatch_source_t * * @abstract * Dispatch sources are used to automatically submit event handler blocks to * dispatch queues in response to external events. */ DISPATCH_DECL(dispatch_source); /*! * @typedef dispatch_source_type_t * * @abstract * Constants of this type represent the class of low-level system object that * is being monitored by the dispatch source. Constants of this type are * passed as a parameter to dispatch_source_create() and determine how the * handle argument is interpreted (i.e. as a file descriptor, mach port, * signal number, process identifer, etc.), and how the mask arugment is * interpreted. */ typedef const struct dispatch_source_type_s *dispatch_source_type_t; /*! * @const DISPATCH_SOURCE_TYPE_DATA_ADD * @discussion A dispatch source that coalesces data obtained via calls to * dispatch_source_merge_data(). An ADD is used to coalesce the data. * The handle is unused (pass zero for now). * The mask is unused (pass zero for now). */ #define DISPATCH_SOURCE_TYPE_DATA_ADD (&_dispatch_source_type_data_add) __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT const struct dispatch_source_type_s _dispatch_source_type_data_add; /*! * @const DISPATCH_SOURCE_TYPE_DATA_OR * @discussion A dispatch source that coalesces data obtained via calls to * dispatch_source_merge_data(). A logical OR is used to coalesce the data. * The handle is unused (pass zero for now). * The mask is used to perform a logical AND with the value passed to * dispatch_source_merge_data(). */ #define DISPATCH_SOURCE_TYPE_DATA_OR (&_dispatch_source_type_data_or) __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT const struct dispatch_source_type_s _dispatch_source_type_data_or; /*! * @const DISPATCH_SOURCE_TYPE_MACH_SEND * @discussion A dispatch source that monitors a Mach port for dead name * notifications (send right no longer has any corresponding receive right). * The handle is a Mach port with a send or send-once right (mach_port_t). * The mask is a mask of desired events from dispatch_source_mach_send_flags_t. */ #define DISPATCH_SOURCE_TYPE_MACH_SEND (&_dispatch_source_type_mach_send) __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT const struct dispatch_source_type_s _dispatch_source_type_mach_send; /*! * @const DISPATCH_SOURCE_TYPE_MACH_RECV * @discussion A dispatch source that monitors a Mach port for pending messages. * The handle is a Mach port with a receive right (mach_port_t). * The mask is unused (pass zero for now). */ #define DISPATCH_SOURCE_TYPE_MACH_RECV (&_dispatch_source_type_mach_recv) __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT const struct dispatch_source_type_s _dispatch_source_type_mach_recv; /*! * @const DISPATCH_SOURCE_TYPE_PROC * @discussion A dispatch source that monitors an external process for events * defined by dispatch_source_proc_flags_t. * The handle is a process identifier (pid_t). * The mask is a mask of desired events from dispatch_source_proc_flags_t. */ #define DISPATCH_SOURCE_TYPE_PROC (&_dispatch_source_type_proc) __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT const struct dispatch_source_type_s _dispatch_source_type_proc; /*! * @const DISPATCH_SOURCE_TYPE_READ * @discussion A dispatch source that monitors a file descriptor for pending * bytes available to be read. * The handle is a file descriptor (int). * The mask is unused (pass zero for now). */ #define DISPATCH_SOURCE_TYPE_READ (&_dispatch_source_type_read) __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT const struct dispatch_source_type_s _dispatch_source_type_read; /*! * @const DISPATCH_SOURCE_TYPE_SIGNAL * @discussion A dispatch source that monitors the current process for signals. * The handle is a signal number (int). * The mask is unused (pass zero for now). */ #define DISPATCH_SOURCE_TYPE_SIGNAL (&_dispatch_source_type_signal) __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT const struct dispatch_source_type_s _dispatch_source_type_signal; /*! * @const DISPATCH_SOURCE_TYPE_TIMER * @discussion A dispatch source that submits the event handler block based * on a timer. * The handle is unused (pass zero for now). * The mask is unused (pass zero for now). */ #define DISPATCH_SOURCE_TYPE_TIMER (&_dispatch_source_type_timer) __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT const struct dispatch_source_type_s _dispatch_source_type_timer; /*! * @const DISPATCH_SOURCE_TYPE_VNODE * @discussion A dispatch source that monitors a file descriptor for events * defined by dispatch_source_vnode_flags_t. * The handle is a file descriptor (int). * The mask is a mask of desired events from dispatch_source_vnode_flags_t. */ #define DISPATCH_SOURCE_TYPE_VNODE (&_dispatch_source_type_vnode) __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT const struct dispatch_source_type_s _dispatch_source_type_vnode; /*! * @const DISPATCH_SOURCE_TYPE_WRITE * @discussion A dispatch source that monitors a file descriptor for available * buffer space to write bytes. * The handle is a file descriptor (int). * The mask is unused (pass zero for now). */ #define DISPATCH_SOURCE_TYPE_WRITE (&_dispatch_source_type_write) __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT const struct dispatch_source_type_s _dispatch_source_type_write; /*! * @enum dispatch_source_mach_send_flags_t * * @constant DISPATCH_MACH_SEND_DEAD * The receive right corresponding to the given send right was destroyed. */ enum { DISPATCH_MACH_SEND_DEAD = 0x1, }; /*! * @enum dispatch_source_proc_flags_t * * @constant DISPATCH_PROC_EXIT * The process has exited (perhaps cleanly, perhaps not). * * @constant DISPATCH_PROC_FORK * The process has created one or more child processes. * * @constant DISPATCH_PROC_EXEC * The process has become another executable image via * exec*() or posix_spawn*(). * * @constant DISPATCH_PROC_SIGNAL * A Unix signal was delivered to the process. */ enum { DISPATCH_PROC_EXIT = 0x80000000, DISPATCH_PROC_FORK = 0x40000000, DISPATCH_PROC_EXEC = 0x20000000, DISPATCH_PROC_SIGNAL = 0x08000000, }; /*! * @enum dispatch_source_vnode_flags_t * * @constant DISPATCH_VNODE_DELETE * The filesystem object was deleted from the namespace. * * @constant DISPATCH_VNODE_WRITE * The filesystem object data changed. * * @constant DISPATCH_VNODE_EXTEND * The filesystem object changed in size. * * @constant DISPATCH_VNODE_ATTRIB * The filesystem object metadata changed. * * @constant DISPATCH_VNODE_LINK * The filesystem object link count changed. * * @constant DISPATCH_VNODE_RENAME * The filesystem object was renamed in the namespace. * * @constant DISPATCH_VNODE_REVOKE * The filesystem object was revoked. */ enum { DISPATCH_VNODE_DELETE = 0x1, DISPATCH_VNODE_WRITE = 0x2, DISPATCH_VNODE_EXTEND = 0x4, DISPATCH_VNODE_ATTRIB = 0x8, DISPATCH_VNODE_LINK = 0x10, DISPATCH_VNODE_RENAME = 0x20, DISPATCH_VNODE_REVOKE = 0x40, }; __DISPATCH_BEGIN_DECLS /*! * @function dispatch_source_create * * @abstract * Creates a new dispatch source to monitor low-level system objects and auto- * matically submit a handler block to a dispatch queue in response to events. * * @discussion * Dispatch sources are not reentrant. Any events received while the dispatch * source is suspended or while the event handler block is currently executing * will be coalesced and delivered after the dispatch source is resumed or the * event handler block has returned. * * Dispatch sources are created in a suspended state. After creating the * source and setting any desired attributes (i.e. the handler, context, etc.), * a call must be made to dispatch_resume() in order to begin event delivery. * * @param type * Declares the type of the dispatch source. Must be one of the defined * dispatch_source_type_t constants. * @param handle * The underlying system handle to monitor. The interpretation of this argument * is determined by the constant provided in the type parameter. * @param mask * A mask of flags specifying which events are desired. The interpretation of * this argument is determined by the constant provided in the type parameter. * @param queue * The dispatch queue to which the event handler block will be submited. */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_MALLOC DISPATCH_NOTHROW dispatch_source_t dispatch_source_create(dispatch_source_type_t type, uintptr_t handle, unsigned long mask, dispatch_queue_t queue); /*! * @function dispatch_source_set_event_handler * * @abstract * Sets the event handler block for the given dispatch source. * * @param source * The dispatch source to modify. * The result of passing NULL in this parameter is undefined. * * @param handler * The event handler block to submit to the source's target queue. */ #ifdef __BLOCKS__ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL1 DISPATCH_NOTHROW void dispatch_source_set_event_handler(dispatch_source_t source, dispatch_block_t handler); #endif /* __BLOCKS__ */ /*! * @function dispatch_source_set_event_handler_f * * @abstract * Sets the event handler function for the given dispatch source. * * @param source * The dispatch source to modify. * The result of passing NULL in this parameter is undefined. * * @param handler * The event handler function to submit to the source's target queue. * The context parameter passed to the event handler function is the current * context of the dispatch source at the time the handler call is made. * The result of passing NULL in this parameter is undefined. */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL1 DISPATCH_NOTHROW void dispatch_source_set_event_handler_f(dispatch_source_t source, dispatch_function_t handler); /*! * @function dispatch_source_set_cancel_handler * * @abstract * Sets the cancellation handler block for the given dispatch source. * * @discussion * The cancellation handler (if specified) will be submitted to the source's * target queue in response to a call to dispatch_source_cancel() once the * system has released all references to the source's underlying handle and * the source's event handler block has returned. * * IMPORTANT: * A cancellation handler is required for file descriptor and mach port based * sources in order to safely close the descriptor or destroy the port. Closing * the descriptor or port before the cancellation handler may result in a race * condition. If a new descriptor is allocated with the same value as the * recently closed descriptor while the source's event handler is still running, * the event handler may read/write data to the wrong descriptor. * * @param source * The dispatch source to modify. * The result of passing NULL in this parameter is undefined. * * @param handler * The cancellation handler block to submit to the source's target queue. */ #ifdef __BLOCKS__ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL1 DISPATCH_NOTHROW void dispatch_source_set_cancel_handler(dispatch_source_t source, dispatch_block_t cancel_handler); #endif /* __BLOCKS__ */ /*! * @function dispatch_source_set_cancel_handler_f * * @abstract * Sets the cancellation handler function for the given dispatch source. * * @discussion * See dispatch_source_set_cancel_handler() for more details. * * @param source * The dispatch source to modify. * The result of passing NULL in this parameter is undefined. * * @param handler * The cancellation handler function to submit to the source's target queue. * The context parameter passed to the event handler function is the current * context of the dispatch source at the time the handler call is made. */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL1 DISPATCH_NOTHROW void dispatch_source_set_cancel_handler_f(dispatch_source_t source, dispatch_function_t cancel_handler); /*! * @function dispatch_source_cancel * * @abstract * Asynchronously cancel the dispatch source, preventing any further invocation * of its event handler block. * * @discussion * Cancellation prevents any further invocation of the event handler block for * the specified dispatch source, but does not interrupt an event handler * block that is already in progress. * * The cancellation handler is submitted to the source's target queue once the * the source's event handler has finished, indicating it is now safe to close * the source's handle (i.e. file descriptor or mach port). * * See dispatch_source_set_cancel_handler() for more information. * * @param source * The dispatch source to be canceled. * The result of passing NULL in this parameter is undefined. */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL_ALL DISPATCH_NOTHROW void dispatch_source_cancel(dispatch_source_t source); /*! * @function dispatch_source_testcancel * * @abstract * Tests whether the given dispatch source has been canceled. * * @param source * The dispatch source to be tested. * The result of passing NULL in this parameter is undefined. * * @result * Non-zero if canceled and zero if not canceled. */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL_ALL DISPATCH_NOTHROW long dispatch_source_testcancel(dispatch_source_t source); /*! * @function dispatch_source_get_handle * * @abstract * Returns the underlying system handle associated with this dispatch source. * * @param source * The result of passing NULL in this parameter is undefined. * * @result * The return value should be interpreted according to the type of the dispatch * source, and may be one of the following handles: * * DISPATCH_SOURCE_TYPE_DATA_ADD: n/a * DISPATCH_SOURCE_TYPE_DATA_OR: n/a * DISPATCH_SOURCE_TYPE_MACH_SEND: mach port (mach_port_t) * DISPATCH_SOURCE_TYPE_MACH_RECV: mach port (mach_port_t) * DISPATCH_SOURCE_TYPE_PROC: process identifier (pid_t) * DISPATCH_SOURCE_TYPE_READ: file descriptor (int) * DISPATCH_SOURCE_TYPE_SIGNAL: signal number (int) * DISPATCH_SOURCE_TYPE_TIMER: n/a * DISPATCH_SOURCE_TYPE_VNODE: file descriptor (int) * DISPATCH_SOURCE_TYPE_WRITE: file descriptor (int) */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL_ALL DISPATCH_WARN_RESULT DISPATCH_PURE DISPATCH_NOTHROW uintptr_t dispatch_source_get_handle(dispatch_source_t source); /*! * @function dispatch_source_get_mask * * @abstract * Returns the mask of events monitored by the dispatch source. * * @param source * The result of passing NULL in this parameter is undefined. * * @result * The return value should be interpreted according to the type of the dispatch * source, and may be one of the following flag sets: * * DISPATCH_SOURCE_TYPE_DATA_ADD: n/a * DISPATCH_SOURCE_TYPE_DATA_OR: n/a * DISPATCH_SOURCE_TYPE_MACH_SEND: dispatch_source_mach_send_flags_t * DISPATCH_SOURCE_TYPE_MACH_RECV: n/a * DISPATCH_SOURCE_TYPE_PROC: dispatch_source_proc_flags_t * DISPATCH_SOURCE_TYPE_READ: n/a * DISPATCH_SOURCE_TYPE_SIGNAL: n/a * DISPATCH_SOURCE_TYPE_TIMER: n/a * DISPATCH_SOURCE_TYPE_VNODE: dispatch_source_vnode_flags_t * DISPATCH_SOURCE_TYPE_WRITE: n/a */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL_ALL DISPATCH_WARN_RESULT DISPATCH_PURE DISPATCH_NOTHROW unsigned long dispatch_source_get_mask(dispatch_source_t source); /*! * @function dispatch_source_get_data * * @abstract * Returns pending data for the dispatch source. * * @discussion * This function is intended to be called from within the event handler block. * The result of calling this function outside of the event handler callback is * undefined. * * @param source * The result of passing NULL in this parameter is undefined. * * @result * The return value should be interpreted according to the type of the dispatch * source, and may be one of the following: * * DISPATCH_SOURCE_TYPE_DATA_ADD: application defined data * DISPATCH_SOURCE_TYPE_DATA_OR: application defined data * DISPATCH_SOURCE_TYPE_MACH_SEND: dispatch_source_mach_send_flags_t * DISPATCH_SOURCE_TYPE_MACH_RECV: n/a * DISPATCH_SOURCE_TYPE_PROC: dispatch_source_proc_flags_t * DISPATCH_SOURCE_TYPE_READ: estimated bytes available to read * DISPATCH_SOURCE_TYPE_SIGNAL: number of signals delivered since * the last handler invocation * DISPATCH_SOURCE_TYPE_TIMER: number of times the timer has fired * since the last handler invocation * DISPATCH_SOURCE_TYPE_VNODE: dispatch_source_vnode_flags_t * DISPATCH_SOURCE_TYPE_WRITE: estimated buffer space available */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL_ALL DISPATCH_WARN_RESULT DISPATCH_PURE DISPATCH_NOTHROW unsigned long dispatch_source_get_data(dispatch_source_t source); /*! * @function dispatch_source_merge_data * * @abstract * Merges data into a dispatch source of type DISPATCH_SOURCE_TYPE_DATA_ADD or * DISPATCH_SOURCE_TYPE_DATA_OR and submits its event handler block to its * target queue. * * @param source * The result of passing NULL in this parameter is undefined. * * @param value * The value to coalesce with the pending data using a logical OR or an ADD * as specified by the dispatch source type. A value of zero has no effect * and will not result in the submission of the event handler block. */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL_ALL DISPATCH_NOTHROW void dispatch_source_merge_data(dispatch_source_t source, unsigned long value); /*! * @function dispatch_source_set_timer * * @abstract * Sets a start time, interval, and leeway value for a timer source. * * @discussion * Calling this function has no effect if the timer source has already been * canceled. * * The start time argument also determines which clock will be used for the * timer. If the start time is DISPATCH_TIME_NOW or created with * dispatch_time() then the timer is based on mach_absolute_time(). Otherwise, * if the start time of the timer is created with dispatch_walltime() then the * timer is based on gettimeofday(3). * * @param start * The start time of the timer. See dispatch_time() and dispatch_walltime() * for more information. * * @param interval * The nanosecond interval for the timer. * * @param leeway * A hint given to the system by the application for the amount of leeway, in * nanoseconds, that the system may defer the timer in order to align with other * system activity for improved system performance or power consumption. (For * example, an application might perform a periodic task every 5 minutes, with * a leeway of up to 30 seconds.) Note that some latency is to be expected for * all timers even when a leeway value of zero is specified. */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL_ALL DISPATCH_NOTHROW void dispatch_source_set_timer(dispatch_source_t source, dispatch_time_t start, uint64_t interval, uint64_t leeway); __DISPATCH_END_DECLS #endif libdispatch-0~svn197/dispatch/Makefile.am0000644000175100017500000000026411505136243020065 0ustar mheilymheily# # # dispatchdir=$(includedir)/dispatch dispatch_HEADERS= \ base.h \ dispatch.h \ group.h \ object.h \ once.h \ queue.h \ semaphore.h \ source.h \ time.h libdispatch-0~svn197/dispatch/semaphore.h0000644000175100017500000000633211505136243020167 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #ifndef __DISPATCH_SEMAPHORE__ #define __DISPATCH_SEMAPHORE__ #ifndef __DISPATCH_INDIRECT__ #error "Please #include instead of this file directly." #include // for HeaderDoc #endif /*! * @typedef dispatch_semaphore_t * * @abstract * A counting semaphore. */ DISPATCH_DECL(dispatch_semaphore); __DISPATCH_BEGIN_DECLS /*! * @function dispatch_semaphore_create * * @abstract * Creates new counting semaphore with an initial value. * * @discussion * Passing zero for the value is useful for when two threads need to reconcile * the completion of a particular event. Passing a value greather than zero is * useful for managing a finite pool of resources, where the pool size is equal * to the value. * * @param value * The starting value for the semaphore. Passing a value less than zero will * cause NULL to be returned. * * @result * The newly created semaphore, or NULL on failure. */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_MALLOC DISPATCH_NOTHROW dispatch_semaphore_t dispatch_semaphore_create(long value); /*! * @function dispatch_semaphore_wait * * @abstract * Wait (decrement) for a semaphore. * * @discussion * Decrement the counting semaphore. If the resulting value is less than zero, * this function waits in FIFO order for a signal to occur before returning. * * @param dsema * The semaphore. The result of passing NULL in this parameter is undefined. * * @param timeout * When to timeout (see dispatch_time). As a convenience, there are the * DISPATCH_TIME_NOW and DISPATCH_TIME_FOREVER constants. * * @result * Returns zero on success, or non-zero if the timeout occurred. */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL_ALL DISPATCH_NOTHROW long dispatch_semaphore_wait(dispatch_semaphore_t dsema, dispatch_time_t timeout); /*! * @function dispatch_semaphore_signal * * @abstract * Signal (increment) a semaphore. * * @discussion * Increment the counting semaphore. If the previous value was less than zero, * this function wakes a waiting thread before returning. * * @param dsema The counting semaphore. * The result of passing NULL in this parameter is undefined. * * @result * This function returns non-zero if a thread is woken. Otherwise, zero is * returned. */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL_ALL DISPATCH_NOTHROW long dispatch_semaphore_signal(dispatch_semaphore_t dsema); __DISPATCH_END_DECLS #endif /* __DISPATCH_SEMAPHORE__ */ libdispatch-0~svn197/dispatch/once.h0000644000175100017500000000434711505136243017134 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #ifndef __DISPATCH_ONCE__ #define __DISPATCH_ONCE__ #ifndef __DISPATCH_INDIRECT__ #error "Please #include instead of this file directly." #include // for HeaderDoc #endif __DISPATCH_BEGIN_DECLS /*! * @typedef dispatch_once_t * * @abstract * A predicate for use with dispatch_once(). It must be initialized to zero. * Note: static and global variables default to zero. */ typedef long dispatch_once_t; /*! * @function dispatch_once * * @abstract * Execute a block once and only once. * * @param predicate * A pointer to a dispatch_once_t that is used to test whether the block has * completed or not. * * @param block * The block to execute once. * * @discussion * Always call dispatch_once() before using or testing any variables that are * initialized by the block. */ #ifdef __BLOCKS__ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL_ALL DISPATCH_NOTHROW void dispatch_once(dispatch_once_t *predicate, dispatch_block_t block); #ifdef __GNUC__ #define dispatch_once(x, ...) do { if (__builtin_expect(*(x), ~0l) != ~0l) dispatch_once((x), (__VA_ARGS__)); } while (0) #endif #endif __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL1 DISPATCH_NONNULL3 DISPATCH_NOTHROW void dispatch_once_f(dispatch_once_t *predicate, void *context, void (*function)(void *)); #ifdef __GNUC__ #define dispatch_once_f(x, y, z) do { if (__builtin_expect(*(x), ~0l) != ~0l) dispatch_once_f((x), (y), (z)); } while (0) #endif __DISPATCH_END_DECLS #endif libdispatch-0~svn197/dispatch/queue.h0000644000175100017500000004313511505136243017332 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #ifndef __DISPATCH_QUEUE__ #define __DISPATCH_QUEUE__ #ifndef __DISPATCH_INDIRECT__ #error "Please #include instead of this file directly." #include // for HeaderDoc #endif /*! * @header * * Dispatch is an abstract model for expressing concurrency via simple but * powerful API. * * At the core, dispatch provides serial FIFO queues to which blocks may be * submitted. Blocks submitted to these dispatch queues are invoked on a pool * of threads fully managed by the system. No guarantee is made regarding * which thread a block will be invoked on; however, it is guaranteed that only * one block submitted to the FIFO dispatch queue will be invoked at a time. * * When multiple queues have blocks to be processed, the system is free to * allocate additional threads to invoke the blocks concurrently. When the * queues become empty, these threads are automatically released. */ /*! * @typedef dispatch_queue_t * * @abstract * Dispatch queues invoke blocks submitted to them serially in FIFO order. A * queue will only invoke one block at a time, but independent queues may each * invoke their blocks concurrently with respect to each other. * * @discussion * Dispatch queues are lightweight objects to which blocks may be submitted. * The system manages a pool of threads which process dispatch queues and * invoke blocks submitted to them. * * Conceptually a dispatch queue may have its own thread of execution, and * interaction between queues is highly asynchronous. * * Dispatch queues are reference counted via calls to dispatch_retain() and * dispatch_release(). Pending blocks submitted to a queue also hold a * reference to the queue until they have finished. Once all references to a * queue have been released, the queue will be deallocated by the system. */ DISPATCH_DECL(dispatch_queue); /*! * @typedef dispatch_queue_attr_t * * @abstract * Attribute and policy extensions for dispatch queues. */ DISPATCH_DECL(dispatch_queue_attr); /*! * @typedef dispatch_block_t * * @abstract * The prototype of blocks submitted to dispatch queues, which take no * arguments and have no return value. * * @discussion * The declaration of a block allocates storage on the stack. Therefore, this * is an invalid construct: * * dispatch_block_t block; * * if (x) { * block = ^{ printf("true\n"); }; * } else { * block = ^{ printf("false\n"); }; * } * block(); // unsafe!!! * * What is happening behind the scenes: * * if (x) { * struct Block __tmp_1 = ...; // setup details * block = &__tmp_1; * } else { * struct Block __tmp_2 = ...; // setup details * block = &__tmp_2; * } * * As the example demonstrates, the address of a stack variable is escaping the * scope in which it is allocated. That is a classic C bug. */ #ifdef __BLOCKS__ typedef void (^dispatch_block_t)(void); #endif __DISPATCH_BEGIN_DECLS /*! * @function dispatch_async * * @abstract * Submits a block for asynchronous execution on a dispatch queue. * * @discussion * The dispatch_async() function is the fundamental mechanism for submitting * blocks to a dispatch queue. * * Calls to dispatch_async() always return immediately after the block has * been submitted, and never wait for the block to be invoked. * * The target queue determines whether the block will be invoked serially or * concurrently with respect to other blocks submitted to that same queue. * Serial queues are processed concurrently with with respect to each other. * * @param queue * The target dispatch queue to which the block is submitted. * The system will hold a reference on the target queue until the block * has finished. * The result of passing NULL in this parameter is undefined. * * @param block * The block to submit to the target dispatch queue. This function performs * Block_copy() and Block_release() on behalf of callers. * The result of passing NULL in this parameter is undefined. */ #ifdef __BLOCKS__ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL_ALL DISPATCH_NOTHROW void dispatch_async(dispatch_queue_t queue, dispatch_block_t block); #endif /*! * @function dispatch_async_f * * @abstract * Submits a function for asynchronous execution on a dispatch queue. * * @discussion * See dispatch_async() for details. * * @param queue * The target dispatch queue to which the function is submitted. * The system will hold a reference on the target queue until the function * has returned. * The result of passing NULL in this parameter is undefined. * * @param context * The application-defined context parameter to pass to the function. * * @param work * The application-defined function to invoke on the target queue. The first * parameter passed to this function is the context provided to * dispatch_async_f(). * The result of passing NULL in this parameter is undefined. */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL1 DISPATCH_NONNULL3 DISPATCH_NOTHROW void dispatch_async_f(dispatch_queue_t queue, void *context, dispatch_function_t work); /*! * @function dispatch_sync * * @abstract * Submits a block for synchronous execution on a dispatch queue. * * @discussion * Submits a block to a dispatch queue like dispatch_async(), however * dispatch_sync() will not return until the block has finished. * * Calls to dispatch_sync() targeting the current queue will result * in dead-lock. Use of dispatch_sync() is also subject to the same * multi-party dead-lock problems that may result from the use of a mutex. * Use of dispatch_async() is preferred. * * Unlike dispatch_async(), no retain is performed on the target queue. Because * calls to this function are synchronous, the dispatch_sync() "borrows" the * reference of the caller. * * As an optimization, dispatch_sync() invokes the block on the current * thread when possible. * * @param queue * The target dispatch queue to which the block is submitted. * The result of passing NULL in this parameter is undefined. * * @param block * The block to be invoked on the target dispatch queue. * The result of passing NULL in this parameter is undefined. */ #ifdef __BLOCKS__ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL_ALL DISPATCH_NOTHROW void dispatch_sync(dispatch_queue_t queue, dispatch_block_t block); #endif /*! * @function dispatch_sync_f * * @abstract * Submits a function for synchronous execution on a dispatch queue. * * @discussion * See dispatch_sync() for details. * * @param queue * The target dispatch queue to which the function is submitted. * The result of passing NULL in this parameter is undefined. * * @param context * The application-defined context parameter to pass to the function. * * @param work * The application-defined function to invoke on the target queue. The first * parameter passed to this function is the context provided to * dispatch_sync_f(). * The result of passing NULL in this parameter is undefined. */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL1 DISPATCH_NONNULL3 DISPATCH_NOTHROW void dispatch_sync_f(dispatch_queue_t queue, void *context, dispatch_function_t work); /*! * @function dispatch_apply * * @abstract * Submits a block to a dispatch queue for multiple invocations. * * @discussion * Submits a block to a dispatch queue for multiple invocations. This function * waits for the task block to complete before returning. If the target queue * is a concurrent queue returned by dispatch_get_concurrent_queue(), the block * may be invoked concurrently, and it must therefore be reentrant safe. * * Each invocation of the block will be passed the current index of iteration. * * @param iterations * The number of iterations to perform. * * @param queue * The target dispatch queue to which the block is submitted. * The result of passing NULL in this parameter is undefined. * * @param block * The block to be invoked the specified number of iterations. * The result of passing NULL in this parameter is undefined. */ #ifdef __BLOCKS__ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL_ALL DISPATCH_NOTHROW void dispatch_apply(size_t iterations, dispatch_queue_t queue, void (^block)(size_t)); #endif /*! * @function dispatch_apply_f * * @abstract * Submits a function to a dispatch queue for multiple invocations. * * @discussion * See dispatch_apply() for details. * * @param iterations * The number of iterations to perform. * * @param queue * The target dispatch queue to which the function is submitted. * The result of passing NULL in this parameter is undefined. * * @param context * The application-defined context parameter to pass to the function. * * @param work * The application-defined function to invoke on the target queue. The first * parameter passed to this function is the context provided to * dispatch_apply_f(). The second parameter passed to this function is the * current index of iteration. * The result of passing NULL in this parameter is undefined. */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL2 DISPATCH_NONNULL4 DISPATCH_NOTHROW void dispatch_apply_f(size_t iterations, dispatch_queue_t queue, void *context, void (*work)(void *, size_t)); /*! * @function dispatch_get_current_queue * * @abstract * Returns the queue on which the currently executing block is running. * * @discussion * Returns the queue on which the currently executing block is running. * * When dispatch_get_current_queue() is called outside of the context of a * submitted block, it will return the default concurrent queue. * * @result * Returns the current queue. */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_PURE DISPATCH_WARN_RESULT DISPATCH_NOTHROW dispatch_queue_t dispatch_get_current_queue(void); /*! * @function dispatch_get_main_queue * * @abstract * Returns the default queue that is bound to the main thread. * * @discussion * In order to invoke blocks submitted to the main queue, the application must * call dispatch_main(), NSApplicationMain(), or use a CFRunLoop on the main * thread. * * @result * Returns the main queue. This queue is created automatically on behalf of * the main thread before main() is called. */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT struct dispatch_queue_s _dispatch_main_q; #define dispatch_get_main_queue() (&_dispatch_main_q) /*! * @enum dispatch_queue_priority_t * * @constant DISPATCH_QUEUE_PRIORITY_HIGH * Items dispatched to the queue will run at high priority, * i.e. the queue will be scheduled for execution before * any default priority or low priority queue. * * @constant DISPATCH_QUEUE_PRIORITY_DEFAULT * Items dispatched to the queue will run at the default * priority, i.e. the queue will be scheduled for execution * after all high priority queues have been scheduled, but * before any low priority queues have been scheduled. * * @constant DISPATCH_QUEUE_PRIORITY_LOW * Items dispatched to the queue will run at low priority, * i.e. the queue will be scheduled for execution after all * default priority and high priority queues have been * scheduled. */ enum { DISPATCH_QUEUE_PRIORITY_HIGH = 2, DISPATCH_QUEUE_PRIORITY_DEFAULT = 0, DISPATCH_QUEUE_PRIORITY_LOW = -2, }; /*! * @function dispatch_get_global_queue * * @abstract * Returns a well-known global concurrent queue of a given priority level. * * @discussion * The well-known global concurrent queues may not be modified. Calls to * dispatch_suspend(), dispatch_resume(), dispatch_set_context(), etc., will * have no effect when used with queues returned by this function. * * @param priority * A priority defined in dispatch_queue_priority_t * * @param flags * Reserved for future use. Passing any value other than zero may result in * a NULL return value. * * @result * Returns the requested global queue. */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_PURE DISPATCH_WARN_RESULT DISPATCH_NOTHROW dispatch_queue_t dispatch_get_global_queue(long priority, unsigned long flags); /*! * @function dispatch_queue_create * * @abstract * Creates a new dispatch queue to which blocks may be submitted. * * @discussion * Dispatch queues invoke blocks serially in FIFO order. * * When the dispatch queue is no longer needed, it should be released * with dispatch_release(). Note that any pending blocks submitted * to a queue will hold a reference to that queue. Therefore a queue * will not be deallocated until all pending blocks have finished. * * @param label * A string label to attach to the queue. * This parameter is optional and may be NULL. * * @param attr * Unused. Pass NULL for now. * * @result * The newly created dispatch queue. */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_MALLOC DISPATCH_WARN_RESULT DISPATCH_NOTHROW dispatch_queue_t dispatch_queue_create(const char *label, dispatch_queue_attr_t attr); /*! * @function dispatch_queue_get_label * * @abstract * Returns the label of the queue that was specified when the * queue was created. * * @param queue * The result of passing NULL in this parameter is undefined. * * @result * The label of the queue. The result may be NULL. */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL_ALL DISPATCH_PURE DISPATCH_WARN_RESULT DISPATCH_NOTHROW const char * dispatch_queue_get_label(dispatch_queue_t queue); /*! * @function dispatch_set_target_queue * * @abstract * Sets the target queue for the given object. * * @discussion * An object's target queue is responsible for processing the object. * * A dispatch queue's priority is inherited by its target queue. Use the * dispatch_get_global_queue() function to obtain suitable target queue * of the desired priority. * * A dispatch source's target queue specifies where its event handler and * cancellation handler blocks will be submitted. * * The result of calling dispatch_set_target_queue() on any other type of * dispatch object is undefined. * * @param object * The object to modify. * The result of passing NULL in this parameter is undefined. * * @param queue * The new target queue for the object. The queue is retained, and the * previous one, if any, is released. * The result of passing NULL in this parameter is undefined. */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL_ALL DISPATCH_NOTHROW void dispatch_set_target_queue(dispatch_object_t object, dispatch_queue_t queue); /*! * @function dispatch_main * * @abstract * Execute blocks submitted to the main queue. * * @discussion * This function "parks" the main thread and waits for blocks to be submitted * to the main queue. This function never returns. * * Applications that call NSApplicationMain() or CFRunLoopRun() on the * main thread do not need to call dispatch_main(). */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NOTHROW DISPATCH_NORETURN void dispatch_main(void); /*! * @function dispatch_after * * @abstract * Schedule a block for execution on a given queue at a specified time. * * @discussion * Passing DISPATCH_TIME_NOW as the "when" parameter is supported, but not as * optimal as calling dispatch_async() instead. Passing DISPATCH_TIME_FOREVER * is undefined. * * @param when * A temporal milestone returned by dispatch_time() or dispatch_walltime(). * * @param queue * A queue to which the given block will be submitted at the specified time. * The result of passing NULL in this parameter is undefined. * * @param block * The block of code to execute. * The result of passing NULL in this parameter is undefined. */ #ifdef __BLOCKS__ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL2 DISPATCH_NONNULL3 DISPATCH_NOTHROW void dispatch_after(dispatch_time_t when, dispatch_queue_t queue, dispatch_block_t block); #endif /*! * @function dispatch_after_f * * @abstract * Schedule a function for execution on a given queue at a specified time. * * @discussion * See dispatch_after() for details. * * @param when * A temporal milestone returned by dispatch_time() or dispatch_walltime(). * * @param queue * A queue to which the given function will be submitted at the specified time. * The result of passing NULL in this parameter is undefined. * * @param context * The application-defined context parameter to pass to the function. * * @param work * The application-defined function to invoke on the target queue. The first * parameter passed to this function is the context provided to * dispatch_after_f(). * The result of passing NULL in this parameter is undefined. */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL2 DISPATCH_NONNULL4 DISPATCH_NOTHROW void dispatch_after_f(dispatch_time_t when, dispatch_queue_t queue, void *context, dispatch_function_t work); __DISPATCH_END_DECLS #endif libdispatch-0~svn197/dispatch/object.h0000644000175100017500000001273311505136243017454 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #ifndef __DISPATCH_OBJECT__ #define __DISPATCH_OBJECT__ #ifndef __DISPATCH_INDIRECT__ #error "Please #include instead of this file directly." #include // for HeaderDoc #endif __DISPATCH_BEGIN_DECLS /*! * @function dispatch_debug * * @abstract * Programmatically log debug information about a dispatch object. * * @param object * The object to introspect. * * @param message * The message to log above and beyond the introspection. */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL2 DISPATCH_NOTHROW DISPATCH_FORMAT(printf,2,3) void dispatch_debug(dispatch_object_t object, const char *message, ...); __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL2 DISPATCH_NOTHROW DISPATCH_FORMAT(printf,2,0) void dispatch_debugv(dispatch_object_t object, const char *message, va_list ap); /*! * @function dispatch_retain * * @abstract * Increment the reference count of a dispatch object. * * @discussion * Calls to dispatch_retain() must be balanced with calls to * dispatch_release(). * * @param object * The object to retain. * The result of passing NULL in this parameter is undefined. */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL_ALL DISPATCH_NOTHROW void dispatch_retain(dispatch_object_t object); /*! * @function dispatch_release * * @abstract * Decrement the reference count of a dispatch object. * * @discussion * A dispatch object is asynchronously deallocated once all references are * released (i.e. the reference count becomes zero). The system does not * guarantee that a given client is the last or only reference to a given * object. * * @param object * The object to release. * The result of passing NULL in this parameter is undefined. */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL_ALL DISPATCH_NOTHROW void dispatch_release(dispatch_object_t object); /*! * @function dispatch_get_context * * @abstract * Returns the application defined context of the object. * * @param object * The result of passing NULL in this parameter is undefined. * * @result * The context of the object; may be NULL. */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL_ALL DISPATCH_PURE DISPATCH_WARN_RESULT DISPATCH_NOTHROW void * dispatch_get_context(dispatch_object_t object); /*! * @function dispatch_set_context * * @abstract * Associates an application defined context with the object. * * @param object * The result of passing NULL in this parameter is undefined. * * @param context * The new client defined context for the object. This may be NULL. * */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NOTHROW //DISPATCH_NONNULL1 void dispatch_set_context(dispatch_object_t object, void *context); /*! * @function dispatch_set_finalizer_f * * @abstract * Set the finalizer function for a dispatch object. * * @param * The dispatch object to modify. * The result of passing NULL in this parameter is undefined. * * @param * The finalizer function pointer. * * @discussion * A dispatch object's finalizer will be invoked on the object's target queue * after all references to the object have been released. This finalizer may be * used by the application to release any resources associated with the object, * such as freeing the object's context. * The context parameter passed to the finalizer function is the current * context of the dispatch object at the time the finalizer call is made. */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NOTHROW //DISPATCH_NONNULL1 void dispatch_set_finalizer_f(dispatch_object_t object, dispatch_function_t finalizer); /*! * @function dispatch_suspend * * @abstract * Suspends the invocation of blocks on a dispatch object. * * @discussion * A suspended object will not invoke any blocks associated with it. The * suspension of an object will occur after any running block associated with * the object completes. * * Calls to dispatch_suspend() must be balanced with calls * to dispatch_resume(). * * @param object * The object to be suspended. * The result of passing NULL in this parameter is undefined. */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL_ALL DISPATCH_NOTHROW void dispatch_suspend(dispatch_object_t object); /*! * @function dispatch_resume * * @abstract * Resumes the invocation of blocks on a dispatch object. * * @param object * The object to be resumed. * The result of passing NULL in this parameter is undefined. */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL_ALL DISPATCH_NOTHROW void dispatch_resume(dispatch_object_t object); __DISPATCH_END_DECLS #endif libdispatch-0~svn197/m4/0000755000175100017500000000000011505136533014552 5ustar mheilymheilylibdispatch-0~svn197/m4/libtool.m40000644000175100017500000077464711505136264016512 0ustar mheilymheily# libtool.m4 - Configure libtool for the host system. -*-Autoconf-*- # # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, # 2006, 2007, 2008 Free Software Foundation, Inc. # Written by Gordon Matzigkeit, 1996 # # This file is free software; the Free Software Foundation gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. m4_define([_LT_COPYING], [dnl # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, # 2006, 2007, 2008 Free Software Foundation, Inc. # Written by Gordon Matzigkeit, 1996 # # This file is part of GNU Libtool. # # GNU Libtool is free software; you can redistribute it and/or # modify it under the terms of the GNU General Public License as # published by the Free Software Foundation; either version 2 of # the License, or (at your option) any later version. # # As a special exception to the GNU General Public License, # if you distribute this file as part of a program or library that # is built using GNU Libtool, you may include this file under the # same distribution terms that you use for the rest of that program. # # GNU Libtool is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with GNU Libtool; see the file COPYING. If not, a copy # can be downloaded from http://www.gnu.org/licenses/gpl.html, or # obtained by writing to the Free Software Foundation, Inc., # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. ]) # serial 56 LT_INIT # LT_PREREQ(VERSION) # ------------------ # Complain and exit if this libtool version is less that VERSION. m4_defun([LT_PREREQ], [m4_if(m4_version_compare(m4_defn([LT_PACKAGE_VERSION]), [$1]), -1, [m4_default([$3], [m4_fatal([Libtool version $1 or higher is required], 63)])], [$2])]) # _LT_CHECK_BUILDDIR # ------------------ # Complain if the absolute build directory name contains unusual characters m4_defun([_LT_CHECK_BUILDDIR], [case `pwd` in *\ * | *\ *) AC_MSG_WARN([Libtool does not cope well with whitespace in `pwd`]) ;; esac ]) # LT_INIT([OPTIONS]) # ------------------ AC_DEFUN([LT_INIT], [AC_PREREQ([2.58])dnl We use AC_INCLUDES_DEFAULT AC_BEFORE([$0], [LT_LANG])dnl AC_BEFORE([$0], [LT_OUTPUT])dnl AC_BEFORE([$0], [LTDL_INIT])dnl m4_require([_LT_CHECK_BUILDDIR])dnl dnl Autoconf doesn't catch unexpanded LT_ macros by default: m4_pattern_forbid([^_?LT_[A-Z_]+$])dnl m4_pattern_allow([^(_LT_EOF|LT_DLGLOBAL|LT_DLLAZY_OR_NOW|LT_MULTI_MODULE)$])dnl dnl aclocal doesn't pull ltoptions.m4, ltsugar.m4, or ltversion.m4 dnl unless we require an AC_DEFUNed macro: AC_REQUIRE([LTOPTIONS_VERSION])dnl AC_REQUIRE([LTSUGAR_VERSION])dnl AC_REQUIRE([LTVERSION_VERSION])dnl AC_REQUIRE([LTOBSOLETE_VERSION])dnl m4_require([_LT_PROG_LTMAIN])dnl dnl Parse OPTIONS _LT_SET_OPTIONS([$0], [$1]) # This can be used to rebuild libtool when needed LIBTOOL_DEPS="$ltmain" # Always use our own libtool. LIBTOOL='$(SHELL) $(top_builddir)/libtool' AC_SUBST(LIBTOOL)dnl _LT_SETUP # Only expand once: m4_define([LT_INIT]) ])# LT_INIT # Old names: AU_ALIAS([AC_PROG_LIBTOOL], [LT_INIT]) AU_ALIAS([AM_PROG_LIBTOOL], [LT_INIT]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_PROG_LIBTOOL], []) dnl AC_DEFUN([AM_PROG_LIBTOOL], []) # _LT_CC_BASENAME(CC) # ------------------- # Calculate cc_basename. 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newsos6) version_type=linux library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes ;; *nto* | *qnx*) version_type=qnx need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes dynamic_linker='ldqnx.so' ;; openbsd*) version_type=sunos sys_lib_dlsearch_path_spec="/usr/lib" need_lib_prefix=no # Some older versions of OpenBSD (3.3 at least) *do* need versioned libs. case $host_os in openbsd3.3 | openbsd3.3.*) need_version=yes ;; *) need_version=no ;; esac library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' shlibpath_var=LD_LIBRARY_PATH if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; 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*) lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|PA-RISC[[0-9]].[[0-9]]) shared library' lt_cv_file_magic_test_file=/usr/lib/libc.sl ;; esac ;; interix[[3-9]]*) # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|\.a)$' ;; irix5* | irix6* | nonstopux*) case $LD in *-32|*"-32 ") libmagic=32-bit;; *-n32|*"-n32 ") libmagic=N32;; *-64|*"-64 ") libmagic=64-bit;; *) libmagic=never-match;; esac lt_cv_deplibs_check_method=pass_all ;; # This must be Linux ELF. linux* | k*bsd*-gnu | kopensolaris*-gnu) lt_cv_deplibs_check_method=pass_all ;; netbsd* | netbsdelf*-gnu) if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$' else lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|_pic\.a)$' fi ;; newos6*) lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (executable|dynamic lib)' lt_cv_file_magic_cmd=/usr/bin/file lt_cv_file_magic_test_file=/usr/lib/libnls.so ;; *nto* | *qnx*) lt_cv_deplibs_check_method=pass_all ;; openbsd*) if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|\.so|_pic\.a)$' else lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$' fi ;; osf3* | osf4* | osf5*) lt_cv_deplibs_check_method=pass_all ;; rdos*) lt_cv_deplibs_check_method=pass_all ;; solaris*) lt_cv_deplibs_check_method=pass_all ;; sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) lt_cv_deplibs_check_method=pass_all ;; sysv4 | sysv4.3*) case $host_vendor in motorola) lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib) M[[0-9]][[0-9]]* Version [[0-9]]' lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*` ;; ncr) lt_cv_deplibs_check_method=pass_all ;; sequent) lt_cv_file_magic_cmd='/bin/file' lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB (shared object|dynamic lib )' ;; sni) lt_cv_file_magic_cmd='/bin/file' lt_cv_deplibs_check_method="file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB dynamic lib" lt_cv_file_magic_test_file=/lib/libc.so ;; siemens) lt_cv_deplibs_check_method=pass_all ;; pc) lt_cv_deplibs_check_method=pass_all ;; esac ;; tpf*) lt_cv_deplibs_check_method=pass_all ;; esac ]) file_magic_cmd=$lt_cv_file_magic_cmd deplibs_check_method=$lt_cv_deplibs_check_method test -z "$deplibs_check_method" && deplibs_check_method=unknown _LT_DECL([], [deplibs_check_method], [1], [Method to check whether dependent libraries are shared objects]) _LT_DECL([], [file_magic_cmd], [1], [Command to use when deplibs_check_method == "file_magic"]) ])# _LT_CHECK_MAGIC_METHOD # LT_PATH_NM # ---------- # find the pathname to a BSD- or MS-compatible name lister AC_DEFUN([LT_PATH_NM], [AC_REQUIRE([AC_PROG_CC])dnl AC_CACHE_CHECK([for BSD- or MS-compatible name lister (nm)], lt_cv_path_NM, [if test -n "$NM"; then # Let the user override the test. lt_cv_path_NM="$NM" else lt_nm_to_check="${ac_tool_prefix}nm" if test -n "$ac_tool_prefix" && test "$build" = "$host"; then lt_nm_to_check="$lt_nm_to_check nm" fi for lt_tmp_nm in $lt_nm_to_check; do lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do IFS="$lt_save_ifs" test -z "$ac_dir" && ac_dir=. tmp_nm="$ac_dir/$lt_tmp_nm" if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext" ; then # Check to see if the nm accepts a BSD-compat flag. # Adding the `sed 1q' prevents false positives on HP-UX, which says: # nm: unknown option "B" ignored # Tru64's nm complains that /dev/null is an invalid object file case `"$tmp_nm" -B /dev/null 2>&1 | sed '1q'` in */dev/null* | *'Invalid file or object type'*) lt_cv_path_NM="$tmp_nm -B" break ;; *) case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in */dev/null*) lt_cv_path_NM="$tmp_nm -p" break ;; *) lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but continue # so that we can try to find one that supports BSD flags ;; esac ;; esac fi done IFS="$lt_save_ifs" done : ${lt_cv_path_NM=no} fi]) if test "$lt_cv_path_NM" != "no"; then NM="$lt_cv_path_NM" else # Didn't find any BSD compatible name lister, look for dumpbin. AC_CHECK_TOOLS(DUMPBIN, ["dumpbin -symbols" "link -dump -symbols"], :) AC_SUBST([DUMPBIN]) if test "$DUMPBIN" != ":"; then NM="$DUMPBIN" fi fi test -z "$NM" && NM=nm AC_SUBST([NM]) _LT_DECL([], [NM], [1], [A BSD- or MS-compatible name lister])dnl AC_CACHE_CHECK([the name lister ($NM) interface], [lt_cv_nm_interface], [lt_cv_nm_interface="BSD nm" echo "int some_variable = 0;" > conftest.$ac_ext (eval echo "\"\$as_me:__oline__: $ac_compile\"" >&AS_MESSAGE_LOG_FD) (eval "$ac_compile" 2>conftest.err) cat conftest.err >&AS_MESSAGE_LOG_FD (eval echo "\"\$as_me:__oline__: $NM \\\"conftest.$ac_objext\\\"\"" >&AS_MESSAGE_LOG_FD) (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out) cat conftest.err >&AS_MESSAGE_LOG_FD (eval echo "\"\$as_me:__oline__: output\"" >&AS_MESSAGE_LOG_FD) cat conftest.out >&AS_MESSAGE_LOG_FD if $GREP 'External.*some_variable' conftest.out > /dev/null; then lt_cv_nm_interface="MS dumpbin" fi rm -f conftest*]) ])# LT_PATH_NM # Old names: AU_ALIAS([AM_PROG_NM], [LT_PATH_NM]) AU_ALIAS([AC_PROG_NM], [LT_PATH_NM]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AM_PROG_NM], []) dnl AC_DEFUN([AC_PROG_NM], []) # LT_LIB_M # -------- # check for math library AC_DEFUN([LT_LIB_M], [AC_REQUIRE([AC_CANONICAL_HOST])dnl LIBM= case $host in *-*-beos* | *-*-cygwin* | *-*-pw32* | *-*-darwin*) # These system don't have libm, or don't need it ;; *-ncr-sysv4.3*) AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw") AC_CHECK_LIB(m, cos, LIBM="$LIBM -lm") ;; *) AC_CHECK_LIB(m, cos, LIBM="-lm") ;; esac AC_SUBST([LIBM]) ])# LT_LIB_M # Old name: AU_ALIAS([AC_CHECK_LIBM], [LT_LIB_M]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_CHECK_LIBM], []) # _LT_COMPILER_NO_RTTI([TAGNAME]) # ------------------------------- m4_defun([_LT_COMPILER_NO_RTTI], [m4_require([_LT_TAG_COMPILER])dnl _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)= if test "$GCC" = yes; then _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin' _LT_COMPILER_OPTION([if $compiler supports -fno-rtti -fno-exceptions], lt_cv_prog_compiler_rtti_exceptions, [-fno-rtti -fno-exceptions], [], [_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)="$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1) -fno-rtti -fno-exceptions"]) fi _LT_TAGDECL([no_builtin_flag], [lt_prog_compiler_no_builtin_flag], [1], [Compiler flag to turn off builtin functions]) ])# _LT_COMPILER_NO_RTTI # _LT_CMD_GLOBAL_SYMBOLS # ---------------------- m4_defun([_LT_CMD_GLOBAL_SYMBOLS], [AC_REQUIRE([AC_CANONICAL_HOST])dnl AC_REQUIRE([AC_PROG_CC])dnl AC_REQUIRE([LT_PATH_NM])dnl AC_REQUIRE([LT_PATH_LD])dnl m4_require([_LT_DECL_SED])dnl m4_require([_LT_DECL_EGREP])dnl m4_require([_LT_TAG_COMPILER])dnl # Check for command to grab the raw symbol name followed by C symbol from nm. AC_MSG_CHECKING([command to parse $NM output from $compiler object]) AC_CACHE_VAL([lt_cv_sys_global_symbol_pipe], [ # These are sane defaults that work on at least a few old systems. # [They come from Ultrix. What could be older than Ultrix?!! ;)] # Character class describing NM global symbol codes. symcode='[[BCDEGRST]]' # Regexp to match symbols that can be accessed directly from C. sympat='\([[_A-Za-z]][[_A-Za-z0-9]]*\)' # Define system-specific variables. case $host_os in aix*) symcode='[[BCDT]]' ;; cygwin* | mingw* | pw32* | cegcc*) symcode='[[ABCDGISTW]]' ;; hpux*) if test "$host_cpu" = ia64; then symcode='[[ABCDEGRST]]' fi ;; irix* | nonstopux*) symcode='[[BCDEGRST]]' ;; osf*) symcode='[[BCDEGQRST]]' ;; solaris*) symcode='[[BDRT]]' ;; sco3.2v5*) symcode='[[DT]]' ;; sysv4.2uw2*) symcode='[[DT]]' ;; sysv5* | sco5v6* | unixware* | OpenUNIX*) symcode='[[ABDT]]' ;; sysv4) symcode='[[DFNSTU]]' ;; esac # If we're using GNU nm, then use its standard symbol codes. case `$NM -V 2>&1` in *GNU* | *'with BFD'*) symcode='[[ABCDGIRSTW]]' ;; esac # Transform an extracted symbol line into a proper C declaration. # Some systems (esp. on ia64) link data and code symbols differently, # so use this general approach. lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern int \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'" # Transform an extracted symbol line into symbol name and symbol address lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([[^ ]]*\) $/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([[^ ]]*\) \([[^ ]]*\)$/ {\"\2\", (void *) \&\2},/p'" lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n -e 's/^: \([[^ ]]*\) $/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([[^ ]]*\) \(lib[[^ ]]*\)$/ {\"\2\", (void *) \&\2},/p' -e 's/^$symcode* \([[^ ]]*\) \([[^ ]]*\)$/ {\"lib\2\", (void *) \&\2},/p'" # Handle CRLF in mingw tool chain opt_cr= case $build_os in mingw*) opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp ;; esac # Try without a prefix underscore, then with it. for ac_symprfx in "" "_"; do # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol. symxfrm="\\1 $ac_symprfx\\2 \\2" # Write the raw and C identifiers. if test "$lt_cv_nm_interface" = "MS dumpbin"; then # Fake it for dumpbin and say T for any non-static function # and D for any global variable. # Also find C++ and __fastcall symbols from MSVC++, # which start with @ or ?. lt_cv_sys_global_symbol_pipe="$AWK ['"\ " {last_section=section; section=\$ 3};"\ " /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\ " \$ 0!~/External *\|/{next};"\ " / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\ " {if(hide[section]) next};"\ " {f=0}; \$ 0~/\(\).*\|/{f=1}; {printf f ? \"T \" : \"D \"};"\ " {split(\$ 0, a, /\||\r/); split(a[2], s)};"\ " s[1]~/^[@?]/{print s[1], s[1]; next};"\ " s[1]~prfx {split(s[1],t,\"@\"); print t[1], substr(t[1],length(prfx))}"\ " ' prfx=^$ac_symprfx]" else lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[[ ]]\($symcode$symcode*\)[[ ]][[ ]]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'" fi # Check to see that the pipe works correctly. pipe_works=no rm -f conftest* cat > conftest.$ac_ext <<_LT_EOF #ifdef __cplusplus extern "C" { #endif char nm_test_var; void nm_test_func(void); void nm_test_func(void){} #ifdef __cplusplus } #endif int main(){nm_test_var='a';nm_test_func();return(0);} _LT_EOF if AC_TRY_EVAL(ac_compile); then # Now try to grab the symbols. nlist=conftest.nm if AC_TRY_EVAL(NM conftest.$ac_objext \| $lt_cv_sys_global_symbol_pipe \> $nlist) && test -s "$nlist"; then # Try sorting and uniquifying the output. if sort "$nlist" | uniq > "$nlist"T; then mv -f "$nlist"T "$nlist" else rm -f "$nlist"T fi # Make sure that we snagged all the symbols we need. if $GREP ' nm_test_var$' "$nlist" >/dev/null; then if $GREP ' nm_test_func$' "$nlist" >/dev/null; then cat <<_LT_EOF > conftest.$ac_ext #ifdef __cplusplus extern "C" { #endif _LT_EOF # Now generate the symbol file. eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext' cat <<_LT_EOF >> conftest.$ac_ext /* The mapping between symbol names and symbols. */ const struct { const char *name; void *address; } lt__PROGRAM__LTX_preloaded_symbols[[]] = { { "@PROGRAM@", (void *) 0 }, _LT_EOF $SED "s/^$symcode$symcode* \(.*\) \(.*\)$/ {\"\2\", (void *) \&\2},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext cat <<\_LT_EOF >> conftest.$ac_ext {0, (void *) 0} }; /* This works around a problem in FreeBSD linker */ #ifdef FREEBSD_WORKAROUND static const void *lt_preloaded_setup() { return lt__PROGRAM__LTX_preloaded_symbols; } #endif #ifdef __cplusplus } #endif _LT_EOF # Now try linking the two files. mv conftest.$ac_objext conftstm.$ac_objext lt_save_LIBS="$LIBS" lt_save_CFLAGS="$CFLAGS" LIBS="conftstm.$ac_objext" CFLAGS="$CFLAGS$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)" if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext}; then pipe_works=yes fi LIBS="$lt_save_LIBS" CFLAGS="$lt_save_CFLAGS" else echo "cannot find nm_test_func in $nlist" >&AS_MESSAGE_LOG_FD fi else echo "cannot find nm_test_var in $nlist" >&AS_MESSAGE_LOG_FD fi else echo "cannot run $lt_cv_sys_global_symbol_pipe" >&AS_MESSAGE_LOG_FD fi else echo "$progname: failed program was:" >&AS_MESSAGE_LOG_FD cat conftest.$ac_ext >&5 fi rm -rf conftest* conftst* # Do not use the global_symbol_pipe unless it works. if test "$pipe_works" = yes; then break else lt_cv_sys_global_symbol_pipe= fi done ]) if test -z "$lt_cv_sys_global_symbol_pipe"; then lt_cv_sys_global_symbol_to_cdecl= fi if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then AC_MSG_RESULT(failed) else AC_MSG_RESULT(ok) fi _LT_DECL([global_symbol_pipe], [lt_cv_sys_global_symbol_pipe], [1], [Take the output of nm and produce a listing of raw symbols and C names]) _LT_DECL([global_symbol_to_cdecl], [lt_cv_sys_global_symbol_to_cdecl], [1], [Transform the output of nm in a proper C declaration]) _LT_DECL([global_symbol_to_c_name_address], [lt_cv_sys_global_symbol_to_c_name_address], [1], [Transform the output of nm in a C name address pair]) _LT_DECL([global_symbol_to_c_name_address_lib_prefix], [lt_cv_sys_global_symbol_to_c_name_address_lib_prefix], [1], [Transform the output of nm in a C name address pair when lib prefix is needed]) ]) # _LT_CMD_GLOBAL_SYMBOLS # _LT_COMPILER_PIC([TAGNAME]) # --------------------------- m4_defun([_LT_COMPILER_PIC], [m4_require([_LT_TAG_COMPILER])dnl _LT_TAGVAR(lt_prog_compiler_wl, $1)= _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)= AC_MSG_CHECKING([for $compiler option to produce PIC]) m4_if([$1], [CXX], [ # C++ specific cases for pic, static, wl, etc. if test "$GXX" = yes; then _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' case $host_os in aix*) # All AIX code is PIC. if test "$host_cpu" = ia64; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; m68k) # FIXME: we need at least 68020 code to build shared libraries, but # adding the `-m68020' flag to GCC prevents building anything better, # like `-m68040'. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' ;; esac ;; beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) # PIC is the default for these OSes. ;; mingw* | cygwin* | os2* | pw32* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). # Although the cygwin gcc ignores -fPIC, still need this for old-style # (--disable-auto-import) libraries m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' ;; *djgpp*) # DJGPP does not support shared libraries at all _LT_TAGVAR(lt_prog_compiler_pic, $1)= ;; interix[[3-9]]*) # Interix 3.x gcc -fpic/-fPIC options generate broken code. # Instead, we relocate shared libraries at runtime. ;; sysv4*MP*) if test -d /usr/nec; then _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic fi ;; hpux*) # PIC is the default for 64-bit PA HP-UX, but not for 32-bit # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag # sets the default TLS model and affects inlining. case $host_cpu in hppa*64*) ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac ;; *qnx* | *nto*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac else case $host_os in aix[[4-9]]*) # All AIX code is PIC. if test "$host_cpu" = ia64; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' else _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' fi ;; chorus*) case $cc_basename in cxch68*) # Green Hills C++ Compiler # _LT_TAGVAR(lt_prog_compiler_static, $1)="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a" ;; esac ;; dgux*) case $cc_basename in ec++*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' ;; ghcx*) # Green Hills C++ Compiler _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; *) ;; esac ;; freebsd* | dragonfly*) # FreeBSD uses GNU C++ ;; hpux9* | hpux10* | hpux11*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive' if test "$host_cpu" != ia64; then _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' fi ;; aCC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive' case $host_cpu in hppa*64*|ia64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' ;; esac ;; *) ;; esac ;; interix*) # This is c89, which is MS Visual C++ (no shared libs) # Anyone wants to do a port? ;; irix5* | irix6* | nonstopux*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' # CC pic flag -KPIC is the default. ;; *) ;; esac ;; linux* | k*bsd*-gnu | kopensolaris*-gnu) case $cc_basename in KCC*) # KAI C++ Compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; ecpc* ) # old Intel C++ for x86_64 which still supported -KPIC. _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; icpc* ) # Intel C++, used to be incompatible with GCC. # ICC 10 doesn't accept -KPIC any more. _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; pgCC* | pgcpp*) # Portland Group C++ compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; cxx*) # Compaq C++ # Make sure the PIC flag is empty. It appears that all Alpha # Linux and Compaq Tru64 Unix objects are PIC. _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; xlc* | xlC*) # IBM XL 8.0 on PPC _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' ;; *) case `$CC -V 2>&1 | sed 5q` in *Sun\ C*) # Sun C++ 5.9 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; esac ;; esac ;; lynxos*) ;; m88k*) ;; mvs*) case $cc_basename in cxx*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-W c,exportall' ;; *) ;; esac ;; netbsd* | netbsdelf*-gnu) ;; *qnx* | *nto*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; osf3* | osf4* | osf5*) case $cc_basename in KCC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' ;; RCC*) # Rational C++ 2.4.1 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; cxx*) # Digital/Compaq C++ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # Make sure the PIC flag is empty. 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then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' else _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' fi ;; mingw* | cygwin* | pw32* | os2* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) ;; hpux9* | hpux10* | hpux11*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but # not for PA HP-UX. case $host_cpu in hppa*64*|ia64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' ;; esac # Is there a better lt_prog_compiler_static that works with the bundled CC? _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive' ;; irix5* | irix6* | nonstopux*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # PIC (with -KPIC) is the default. _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; linux* | k*bsd*-gnu | kopensolaris*-gnu) case $cc_basename in # old Intel for x86_64 which still supported -KPIC. ecc*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; # icc used to be incompatible with GCC. # ICC 10 doesn't accept -KPIC any more. icc* | ifort*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; # Lahey Fortran 8.1. lf95*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='--shared' _LT_TAGVAR(lt_prog_compiler_static, $1)='--static' ;; pgcc* | pgf77* | pgf90* | pgf95*) # Portland Group compilers (*not* the Pentium gcc compiler, # which looks to be a dead project) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; ccc*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # All Alpha code is PIC. _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; xl*) # IBM XL C 8.0/Fortran 10.1 on PPC _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' ;; *) case `$CC -V 2>&1 | sed 5q` in *Sun\ C*) # Sun C 5.9 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' ;; 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sysv4 | sysv4.2uw2* | sysv4.3*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; sysv4*MP*) if test -d /usr/nec ;then _LT_TAGVAR(lt_prog_compiler_pic, $1)='-Kconform_pic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi ;; sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; unicos*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no ;; uts4*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; *) _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no ;; esac fi ]) case $host_os in # For platforms which do not support PIC, -DPIC is meaningless: *djgpp*) _LT_TAGVAR(lt_prog_compiler_pic, $1)= ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)="$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])" ;; 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Therefore, libtool *** is disabling shared libraries support. We urge you to upgrade GNU *** binutils to release 2.16.91.0.3 or newer. Another option is to modify *** your PATH or compiler configuration so that the native linker is *** used, and then restart. _LT_EOF ;; *) # For security reasons, it is highly recommended that you always # use absolute paths for naming shared libraries, and exclude the # DT_RUNPATH tag from executables and libraries. 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then _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir' _LT_TAGVAR(hardcode_libdir_flag_spec_ld, $1)='+b $libdir' _LT_TAGVAR(hardcode_libdir_separator, $1)=: _LT_TAGVAR(hardcode_direct, $1)=yes _LT_TAGVAR(hardcode_direct_absolute, $1)=yes _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' # hardcode_minus_L: Not really in the search PATH, # but as the default location of the library. _LT_TAGVAR(hardcode_minus_L, $1)=yes fi ;; hpux11*) if test "$GCC" = yes -a "$with_gnu_ld" = no; then case $host_cpu in hppa*64*) _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' ;; ia64*) _LT_TAGVAR(archive_cmds, $1)='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' ;; *) _LT_TAGVAR(archive_cmds, $1)='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' ;; esac else case $host_cpu in hppa*64*) _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' ;; ia64*) _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' ;; *) _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' ;; esac fi if test "$with_gnu_ld" = no; then _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir' _LT_TAGVAR(hardcode_libdir_separator, $1)=: case $host_cpu in hppa*64*|ia64*) _LT_TAGVAR(hardcode_direct, $1)=no _LT_TAGVAR(hardcode_shlibpath_var, $1)=no ;; *) _LT_TAGVAR(hardcode_direct, $1)=yes _LT_TAGVAR(hardcode_direct_absolute, $1)=yes _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' # hardcode_minus_L: Not really in the search PATH, # but as the default location of the library. _LT_TAGVAR(hardcode_minus_L, $1)=yes ;; esac fi ;; irix5* | irix6* | nonstopux*) if test "$GCC" = yes; then _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' # Try to use the -exported_symbol ld option, if it does not # work, assume that -exports_file does not work either and # implicitly export all symbols. save_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -shared ${wl}-exported_symbol ${wl}foo ${wl}-update_registry ${wl}/dev/null" AC_LINK_IFELSE(int foo(void) {}, _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations ${wl}-exports_file ${wl}$export_symbols -o $lib' ) LDFLAGS="$save_LDFLAGS" else _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -exports_file $export_symbols -o $lib' fi _LT_TAGVAR(archive_cmds_need_lc, $1)='no' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' _LT_TAGVAR(hardcode_libdir_separator, $1)=: _LT_TAGVAR(inherit_rpath, $1)=yes _LT_TAGVAR(link_all_deplibs, $1)=yes ;; netbsd* | netbsdelf*-gnu) if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out else _LT_TAGVAR(archive_cmds, $1)='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF fi _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' _LT_TAGVAR(hardcode_direct, $1)=yes _LT_TAGVAR(hardcode_shlibpath_var, $1)=no ;; newsos6) _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(hardcode_direct, $1)=yes _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' _LT_TAGVAR(hardcode_libdir_separator, $1)=: _LT_TAGVAR(hardcode_shlibpath_var, $1)=no ;; *nto* | *qnx*) ;; openbsd*) if test -f /usr/libexec/ld.so; then _LT_TAGVAR(hardcode_direct, $1)=yes _LT_TAGVAR(hardcode_shlibpath_var, $1)=no _LT_TAGVAR(hardcode_direct_absolute, $1)=yes if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-retain-symbols-file,$export_symbols' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' else case $host_os in openbsd[[01]].* | openbsd2.[[0-7]] | openbsd2.[[0-7]].*) _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' ;; *) _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' ;; esac fi else _LT_TAGVAR(ld_shlibs, $1)=no fi ;; os2*) _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' _LT_TAGVAR(hardcode_minus_L, $1)=yes _LT_TAGVAR(allow_undefined_flag, $1)=unsupported _LT_TAGVAR(archive_cmds, $1)='$ECHO "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~$ECHO DATA >> $output_objdir/$libname.def~$ECHO " SINGLE NONSHARED" >> $output_objdir/$libname.def~$ECHO EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def' _LT_TAGVAR(old_archive_from_new_cmds, $1)='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def' ;; 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See the GNU # General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that program. # PKG_PROG_PKG_CONFIG([MIN-VERSION]) # ---------------------------------- AC_DEFUN([PKG_PROG_PKG_CONFIG], [m4_pattern_forbid([^_?PKG_[A-Z_]+$]) m4_pattern_allow([^PKG_CONFIG(_PATH)?$]) AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])dnl if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then AC_PATH_TOOL([PKG_CONFIG], [pkg-config]) fi if test -n "$PKG_CONFIG"; then _pkg_min_version=m4_default([$1], [0.9.0]) AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version]) if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no]) PKG_CONFIG="" fi fi[]dnl ])# PKG_PROG_PKG_CONFIG # PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) # # Check to see whether a particular set of modules exists. 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Vaughan, 2004 # # This file is free software; the Free Software Foundation gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # serial 6 ltoptions.m4 # This is to help aclocal find these macros, as it can't see m4_define. AC_DEFUN([LTOPTIONS_VERSION], [m4_if([1])]) # _LT_MANGLE_OPTION(MACRO-NAME, OPTION-NAME) # ------------------------------------------ m4_define([_LT_MANGLE_OPTION], [[_LT_OPTION_]m4_bpatsubst($1__$2, [[^a-zA-Z0-9_]], [_])]) # _LT_SET_OPTION(MACRO-NAME, OPTION-NAME) # --------------------------------------- # Set option OPTION-NAME for macro MACRO-NAME, and if there is a # matching handler defined, dispatch to it. Other OPTION-NAMEs are # saved as a flag. m4_define([_LT_SET_OPTION], [m4_define(_LT_MANGLE_OPTION([$1], [$2]))dnl m4_ifdef(_LT_MANGLE_DEFUN([$1], [$2]), _LT_MANGLE_DEFUN([$1], [$2]), [m4_warning([Unknown $1 option `$2'])])[]dnl ]) # _LT_IF_OPTION(MACRO-NAME, OPTION-NAME, IF-SET, [IF-NOT-SET]) # ------------------------------------------------------------ # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise. m4_define([_LT_IF_OPTION], [m4_ifdef(_LT_MANGLE_OPTION([$1], [$2]), [$3], [$4])]) # _LT_UNLESS_OPTIONS(MACRO-NAME, OPTION-LIST, IF-NOT-SET) # ------------------------------------------------------- # Execute IF-NOT-SET unless all options in OPTION-LIST for MACRO-NAME # are set. m4_define([_LT_UNLESS_OPTIONS], [m4_foreach([_LT_Option], m4_split(m4_normalize([$2])), [m4_ifdef(_LT_MANGLE_OPTION([$1], _LT_Option), [m4_define([$0_found])])])[]dnl m4_ifdef([$0_found], [m4_undefine([$0_found])], [$3 ])[]dnl ]) # _LT_SET_OPTIONS(MACRO-NAME, OPTION-LIST) # ---------------------------------------- # OPTION-LIST is a space-separated list of Libtool options associated # with MACRO-NAME. If any OPTION has a matching handler declared with # LT_OPTION_DEFINE, dispatch to that macro; otherwise complain about # the unknown option and exit. m4_defun([_LT_SET_OPTIONS], [# Set options m4_foreach([_LT_Option], m4_split(m4_normalize([$2])), [_LT_SET_OPTION([$1], _LT_Option)]) m4_if([$1],[LT_INIT],[ dnl dnl Simply set some default values (i.e off) if boolean options were not dnl specified: _LT_UNLESS_OPTIONS([LT_INIT], [dlopen], [enable_dlopen=no ]) _LT_UNLESS_OPTIONS([LT_INIT], [win32-dll], [enable_win32_dll=no ]) dnl dnl If no reference was made to various pairs of opposing options, then dnl we run the default mode handler for the pair. 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We use all the common list separators. lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," for pkg in $enableval; do IFS="$lt_save_ifs" if test "X$pkg" = "X$p"; then enable_shared=yes fi done IFS="$lt_save_ifs" ;; esac], [enable_shared=]_LT_ENABLE_SHARED_DEFAULT) _LT_DECL([build_libtool_libs], [enable_shared], [0], [Whether or not to build shared libraries]) ])# _LT_ENABLE_SHARED LT_OPTION_DEFINE([LT_INIT], [shared], [_LT_ENABLE_SHARED([yes])]) LT_OPTION_DEFINE([LT_INIT], [disable-shared], [_LT_ENABLE_SHARED([no])]) # Old names: AC_DEFUN([AC_ENABLE_SHARED], [_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[shared]) ]) AC_DEFUN([AC_DISABLE_SHARED], [_LT_SET_OPTION([LT_INIT], [disable-shared]) ]) AU_DEFUN([AM_ENABLE_SHARED], [AC_ENABLE_SHARED($@)]) AU_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AM_ENABLE_SHARED], []) dnl AC_DEFUN([AM_DISABLE_SHARED], []) # _LT_ENABLE_STATIC([DEFAULT]) # ---------------------------- # implement the --enable-static flag, and support the `static' and # `disable-static' LT_INIT options. # DEFAULT is either `yes' or `no'. If omitted, it defaults to `yes'. m4_define([_LT_ENABLE_STATIC], [m4_define([_LT_ENABLE_STATIC_DEFAULT], [m4_if($1, no, no, yes)])dnl AC_ARG_ENABLE([static], [AS_HELP_STRING([--enable-static@<:@=PKGS@:>@], [build static libraries @<:@default=]_LT_ENABLE_STATIC_DEFAULT[@:>@])], [p=${PACKAGE-default} case $enableval in yes) enable_static=yes ;; no) enable_static=no ;; *) enable_static=no # Look at the argument we got. We use all the common list separators. lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," for pkg in $enableval; do IFS="$lt_save_ifs" if test "X$pkg" = "X$p"; then enable_static=yes fi done IFS="$lt_save_ifs" ;; esac], [enable_static=]_LT_ENABLE_STATIC_DEFAULT) _LT_DECL([build_old_libs], [enable_static], [0], [Whether or not to build static libraries]) ])# _LT_ENABLE_STATIC LT_OPTION_DEFINE([LT_INIT], [static], [_LT_ENABLE_STATIC([yes])]) LT_OPTION_DEFINE([LT_INIT], [disable-static], [_LT_ENABLE_STATIC([no])]) # Old names: AC_DEFUN([AC_ENABLE_STATIC], [_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[static]) ]) AC_DEFUN([AC_DISABLE_STATIC], [_LT_SET_OPTION([LT_INIT], [disable-static]) ]) AU_DEFUN([AM_ENABLE_STATIC], [AC_ENABLE_STATIC($@)]) AU_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AM_ENABLE_STATIC], []) dnl AC_DEFUN([AM_DISABLE_STATIC], []) # _LT_ENABLE_FAST_INSTALL([DEFAULT]) # ---------------------------------- # implement the --enable-fast-install flag, and support the `fast-install' # and `disable-fast-install' LT_INIT options. # DEFAULT is either `yes' or `no'. 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Vaughan, 2004 # # This file is free software; the Free Software Foundation gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # serial 6 ltsugar.m4 # This is to help aclocal find these macros, as it can't see m4_define. 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See the GNU # General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA # 02110-1301, USA. # # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that program. # Originally written by Per Bothner. Please send patches (context # diff format) to and include a ChangeLog # entry. # # This script attempts to guess a canonical system name similar to # config.sub. If it succeeds, it prints the system name on stdout, and # exits with 0. Otherwise, it exits with 1. # # You can get the latest version of this script from: # http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD me=`echo "$0" | sed -e 's,.*/,,'` usage="\ Usage: $0 [OPTION] Output the configuration name of the system \`$me' is run on. Operation modes: -h, --help print this help, then exit -t, --time-stamp print date of last modification, then exit -v, --version print version number, then exit Report bugs and patches to ." version="\ GNU config.guess ($timestamp) Originally written by Per Bothner. Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc. This is free software; see the source for copying conditions. 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But MiNT is downward compatible to TOS, so this should # be no problem. atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*) echo m68k-atari-mint${UNAME_RELEASE} exit ;; atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*) echo m68k-atari-mint${UNAME_RELEASE} exit ;; *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*) echo m68k-atari-mint${UNAME_RELEASE} exit ;; milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*) echo m68k-milan-mint${UNAME_RELEASE} exit ;; hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*) echo m68k-hades-mint${UNAME_RELEASE} exit ;; *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*) echo m68k-unknown-mint${UNAME_RELEASE} exit ;; m68k:machten:*:*) echo m68k-apple-machten${UNAME_RELEASE} exit ;; powerpc:machten:*:*) echo powerpc-apple-machten${UNAME_RELEASE} exit ;; RISC*:Mach:*:*) echo mips-dec-mach_bsd4.3 exit ;; RISC*:ULTRIX:*:*) echo mips-dec-ultrix${UNAME_RELEASE} exit ;; VAX*:ULTRIX*:*:*) echo vax-dec-ultrix${UNAME_RELEASE} exit ;; 2020:CLIX:*:* | 2430:CLIX:*:*) echo clipper-intergraph-clix${UNAME_RELEASE} exit ;; mips:*:*:UMIPS | mips:*:*:RISCos) eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #ifdef __cplusplus #include /* for printf() prototype */ int main (int argc, char *argv[]) { #else int main (argc, argv) int argc; char *argv[]; { #endif #if defined (host_mips) && defined (MIPSEB) #if defined (SYSTYPE_SYSV) printf ("mips-mips-riscos%ssysv\n", argv[1]); exit (0); #endif #if defined (SYSTYPE_SVR4) printf ("mips-mips-riscos%ssvr4\n", argv[1]); exit (0); #endif #if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD) printf ("mips-mips-riscos%sbsd\n", argv[1]); exit (0); #endif #endif exit (-1); } EOF $CC_FOR_BUILD -o $dummy $dummy.c && dummyarg=`echo "${UNAME_RELEASE}" | sed -n 's/\([0-9]*\).*/\1/p'` && SYSTEM_NAME=`$dummy $dummyarg` && { echo "$SYSTEM_NAME"; exit; } echo mips-mips-riscos${UNAME_RELEASE} exit ;; Motorola:PowerMAX_OS:*:*) echo powerpc-motorola-powermax exit ;; Motorola:*:4.3:PL8-*) echo powerpc-harris-powermax exit ;; Night_Hawk:*:*:PowerMAX_OS | Synergy:PowerMAX_OS:*:*) echo powerpc-harris-powermax exit ;; Night_Hawk:Power_UNIX:*:*) echo powerpc-harris-powerunix exit ;; m88k:CX/UX:7*:*) echo m88k-harris-cxux7 exit ;; m88k:*:4*:R4*) echo m88k-motorola-sysv4 exit ;; m88k:*:3*:R3*) echo m88k-motorola-sysv3 exit ;; AViiON:dgux:*:*) # DG/UX returns AViiON for all architectures UNAME_PROCESSOR=`/usr/bin/uname -p` if [ $UNAME_PROCESSOR = mc88100 ] || [ $UNAME_PROCESSOR = mc88110 ] then if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx ] || \ [ ${TARGET_BINARY_INTERFACE}x = x ] then echo m88k-dg-dgux${UNAME_RELEASE} else echo m88k-dg-dguxbcs${UNAME_RELEASE} fi else echo i586-dg-dgux${UNAME_RELEASE} fi exit ;; M88*:DolphinOS:*:*) # DolphinOS (SVR3) echo m88k-dolphin-sysv3 exit ;; M88*:*:R3*:*) # Delta 88k system running SVR3 echo m88k-motorola-sysv3 exit ;; XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3) echo m88k-tektronix-sysv3 exit ;; Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD) echo m68k-tektronix-bsd exit ;; *:IRIX*:*:*) echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'` exit ;; ????????:AIX?:[12].1:2) # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX. echo romp-ibm-aix # uname -m gives an 8 hex-code CPU id exit ;; # Note that: echo "'`uname -s`'" gives 'AIX ' i*86:AIX:*:*) echo i386-ibm-aix exit ;; ia64:AIX:*:*) if [ -x /usr/bin/oslevel ] ; then IBM_REV=`/usr/bin/oslevel` else IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} fi echo ${UNAME_MACHINE}-ibm-aix${IBM_REV} exit ;; *:AIX:2:3) if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #include main() { if (!__power_pc()) exit(1); puts("powerpc-ibm-aix3.2.5"); exit(0); } EOF if $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` then echo "$SYSTEM_NAME" else echo rs6000-ibm-aix3.2.5 fi elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then echo rs6000-ibm-aix3.2.4 else echo rs6000-ibm-aix3.2 fi exit ;; *:AIX:*:[456]) IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'` if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then IBM_ARCH=rs6000 else IBM_ARCH=powerpc fi if [ -x /usr/bin/oslevel ] ; then IBM_REV=`/usr/bin/oslevel` else IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} fi echo ${IBM_ARCH}-ibm-aix${IBM_REV} exit ;; *:AIX:*:*) echo rs6000-ibm-aix exit ;; ibmrt:4.4BSD:*|romp-ibm:BSD:*) echo romp-ibm-bsd4.4 exit ;; ibmrt:*BSD:*|romp-ibm:BSD:*) # covers RT/PC BSD and echo romp-ibm-bsd${UNAME_RELEASE} # 4.3 with uname added to exit ;; # report: romp-ibm BSD 4.3 *:BOSX:*:*) echo rs6000-bull-bosx exit ;; DPX/2?00:B.O.S.:*:*) echo m68k-bull-sysv3 exit ;; 9000/[34]??:4.3bsd:1.*:*) echo m68k-hp-bsd exit ;; hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*) echo m68k-hp-bsd4.4 exit ;; 9000/[34678]??:HP-UX:*:*) HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` case "${UNAME_MACHINE}" in 9000/31? ) HP_ARCH=m68000 ;; 9000/[34]?? ) HP_ARCH=m68k ;; 9000/[678][0-9][0-9]) if [ -x /usr/bin/getconf ]; then sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null` sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null` case "${sc_cpu_version}" in 523) HP_ARCH="hppa1.0" ;; # CPU_PA_RISC1_0 528) HP_ARCH="hppa1.1" ;; # CPU_PA_RISC1_1 532) # CPU_PA_RISC2_0 case "${sc_kernel_bits}" in 32) HP_ARCH="hppa2.0n" ;; 64) HP_ARCH="hppa2.0w" ;; '') HP_ARCH="hppa2.0" ;; # HP-UX 10.20 esac ;; esac fi if [ "${HP_ARCH}" = "" ]; then eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #define _HPUX_SOURCE #include #include int main () { #if defined(_SC_KERNEL_BITS) long bits = sysconf(_SC_KERNEL_BITS); #endif long cpu = sysconf (_SC_CPU_VERSION); switch (cpu) { case CPU_PA_RISC1_0: puts ("hppa1.0"); break; case CPU_PA_RISC1_1: puts ("hppa1.1"); break; case CPU_PA_RISC2_0: #if defined(_SC_KERNEL_BITS) switch (bits) { case 64: puts ("hppa2.0w"); break; case 32: puts ("hppa2.0n"); break; default: puts ("hppa2.0"); break; } break; #else /* !defined(_SC_KERNEL_BITS) */ puts ("hppa2.0"); break; #endif default: puts ("hppa1.0"); break; } exit (0); } EOF (CCOPTS= $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy` test -z "$HP_ARCH" && HP_ARCH=hppa fi ;; esac if [ ${HP_ARCH} = "hppa2.0w" ] then eval $set_cc_for_build # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating # 32-bit code. hppa64-hp-hpux* has the same kernel and a compiler # generating 64-bit code. GNU and HP use different nomenclature: # # $ CC_FOR_BUILD=cc ./config.guess # => hppa2.0w-hp-hpux11.23 # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess # => hppa64-hp-hpux11.23 if echo __LP64__ | (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | grep -q __LP64__ then HP_ARCH="hppa2.0w" else HP_ARCH="hppa64" fi fi echo ${HP_ARCH}-hp-hpux${HPUX_REV} exit ;; ia64:HP-UX:*:*) HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` echo ia64-hp-hpux${HPUX_REV} exit ;; 3050*:HI-UX:*:*) eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #include int main () { long cpu = sysconf (_SC_CPU_VERSION); /* The order matters, because CPU_IS_HP_MC68K erroneously returns true for CPU_PA_RISC1_0. CPU_IS_PA_RISC returns correct results, however. */ if (CPU_IS_PA_RISC (cpu)) { switch (cpu) { case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break; case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break; case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break; default: puts ("hppa-hitachi-hiuxwe2"); break; } } else if (CPU_IS_HP_MC68K (cpu)) puts ("m68k-hitachi-hiuxwe2"); else puts ("unknown-hitachi-hiuxwe2"); exit (0); } EOF $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` && { echo "$SYSTEM_NAME"; exit; } echo unknown-hitachi-hiuxwe2 exit ;; 9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* ) echo hppa1.1-hp-bsd exit ;; 9000/8??:4.3bsd:*:*) echo hppa1.0-hp-bsd exit ;; *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*) echo hppa1.0-hp-mpeix exit ;; hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* ) echo hppa1.1-hp-osf exit ;; hp8??:OSF1:*:*) echo hppa1.0-hp-osf exit ;; i*86:OSF1:*:*) if [ -x /usr/sbin/sysversion ] ; then echo ${UNAME_MACHINE}-unknown-osf1mk else echo ${UNAME_MACHINE}-unknown-osf1 fi exit ;; parisc*:Lites*:*:*) echo hppa1.1-hp-lites exit ;; C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*) echo c1-convex-bsd exit ;; C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*) if getsysinfo -f scalar_acc then echo c32-convex-bsd else echo c2-convex-bsd fi exit ;; C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*) echo c34-convex-bsd exit ;; C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*) echo c38-convex-bsd exit ;; C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*) echo c4-convex-bsd exit ;; CRAY*Y-MP:*:*:*) echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; CRAY*[A-Z]90:*:*:*) echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \ | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \ -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \ -e 's/\.[^.]*$/.X/' exit ;; CRAY*TS:*:*:*) echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; CRAY*T3E:*:*:*) echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; CRAY*SV1:*:*:*) echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; *:UNICOS/mp:*:*) echo craynv-cray-unicosmp${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*) FUJITSU_PROC=`uname -m | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'` echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" exit ;; 5000:UNIX_System_V:4.*:*) FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` FUJITSU_REL=`echo ${UNAME_RELEASE} | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/ /_/'` echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" exit ;; i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*) echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE} exit ;; sparc*:BSD/OS:*:*) echo sparc-unknown-bsdi${UNAME_RELEASE} exit ;; *:BSD/OS:*:*) echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE} exit ;; *:FreeBSD:*:*) case ${UNAME_MACHINE} in pc98) echo i386-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; amd64) echo x86_64-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; *) echo ${UNAME_MACHINE}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; esac exit ;; i*:CYGWIN*:*) echo ${UNAME_MACHINE}-pc-cygwin exit ;; *:MINGW*:*) echo ${UNAME_MACHINE}-pc-mingw32 exit ;; i*:windows32*:*) # uname -m includes "-pc" on this system. echo ${UNAME_MACHINE}-mingw32 exit ;; i*:PW*:*) echo ${UNAME_MACHINE}-pc-pw32 exit ;; *:Interix*:*) case ${UNAME_MACHINE} in x86) echo i586-pc-interix${UNAME_RELEASE} exit ;; authenticamd | genuineintel | EM64T) echo x86_64-unknown-interix${UNAME_RELEASE} exit ;; IA64) echo ia64-unknown-interix${UNAME_RELEASE} exit ;; esac ;; [345]86:Windows_95:* | [345]86:Windows_98:* | [345]86:Windows_NT:*) echo i${UNAME_MACHINE}-pc-mks exit ;; 8664:Windows_NT:*) echo x86_64-pc-mks exit ;; i*:Windows_NT*:* | Pentium*:Windows_NT*:*) # How do we know it's Interix rather than the generic POSIX subsystem? # It also conflicts with pre-2.0 versions of AT&T UWIN. Should we # UNAME_MACHINE based on the output of uname instead of i386? echo i586-pc-interix exit ;; i*:UWIN*:*) echo ${UNAME_MACHINE}-pc-uwin exit ;; amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*) echo x86_64-unknown-cygwin exit ;; p*:CYGWIN*:*) echo powerpcle-unknown-cygwin exit ;; prep*:SunOS:5.*:*) echo powerpcle-unknown-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` exit ;; *:GNU:*:*) # the GNU system echo `echo ${UNAME_MACHINE}|sed -e 's,[-/].*$,,'`-unknown-gnu`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'` exit ;; *:GNU/*:*:*) # other systems with GNU libc and userland echo ${UNAME_MACHINE}-unknown-`echo ${UNAME_SYSTEM} | sed 's,^[^/]*/,,' | tr '[A-Z]' '[a-z]'``echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`-gnu exit ;; i*86:Minix:*:*) echo ${UNAME_MACHINE}-pc-minix exit ;; alpha:Linux:*:*) case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in EV5) UNAME_MACHINE=alphaev5 ;; EV56) UNAME_MACHINE=alphaev56 ;; PCA56) UNAME_MACHINE=alphapca56 ;; PCA57) UNAME_MACHINE=alphapca56 ;; EV6) UNAME_MACHINE=alphaev6 ;; EV67) UNAME_MACHINE=alphaev67 ;; EV68*) UNAME_MACHINE=alphaev68 ;; esac objdump --private-headers /bin/sh | grep -q ld.so.1 if test "$?" = 0 ; then LIBC="libc1" ; else LIBC="" ; fi echo ${UNAME_MACHINE}-unknown-linux-gnu${LIBC} exit ;; arm*:Linux:*:*) eval $set_cc_for_build if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \ | grep -q __ARM_EABI__ then echo ${UNAME_MACHINE}-unknown-linux-gnu else echo ${UNAME_MACHINE}-unknown-linux-gnueabi fi exit ;; avr32*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; cris:Linux:*:*) echo cris-axis-linux-gnu exit ;; crisv32:Linux:*:*) echo crisv32-axis-linux-gnu exit ;; frv:Linux:*:*) echo frv-unknown-linux-gnu exit ;; i*86:Linux:*:*) LIBC=gnu eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #ifdef __dietlibc__ LIBC=dietlibc #endif EOF eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^LIBC'` echo "${UNAME_MACHINE}-pc-linux-${LIBC}" exit ;; ia64:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; m32r*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; m68*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; mips:Linux:*:* | mips64:Linux:*:*) eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #undef CPU #undef ${UNAME_MACHINE} #undef ${UNAME_MACHINE}el #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL) CPU=${UNAME_MACHINE}el #else #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB) CPU=${UNAME_MACHINE} #else CPU= #endif #endif EOF eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^CPU'` test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; } ;; or32:Linux:*:*) echo or32-unknown-linux-gnu exit ;; padre:Linux:*:*) echo sparc-unknown-linux-gnu exit ;; parisc64:Linux:*:* | hppa64:Linux:*:*) echo hppa64-unknown-linux-gnu exit ;; parisc:Linux:*:* | hppa:Linux:*:*) # Look for CPU level case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in PA7*) echo hppa1.1-unknown-linux-gnu ;; PA8*) echo hppa2.0-unknown-linux-gnu ;; *) echo hppa-unknown-linux-gnu ;; esac exit ;; ppc64:Linux:*:*) echo powerpc64-unknown-linux-gnu exit ;; ppc:Linux:*:*) echo powerpc-unknown-linux-gnu exit ;; s390:Linux:*:* | s390x:Linux:*:*) echo ${UNAME_MACHINE}-ibm-linux exit ;; sh64*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; sh*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; sparc:Linux:*:* | sparc64:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; vax:Linux:*:*) echo ${UNAME_MACHINE}-dec-linux-gnu exit ;; x86_64:Linux:*:*) echo x86_64-unknown-linux-gnu exit ;; xtensa*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; i*86:DYNIX/ptx:4*:*) # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there. # earlier versions are messed up and put the nodename in both # sysname and nodename. echo i386-sequent-sysv4 exit ;; i*86:UNIX_SV:4.2MP:2.*) # Unixware is an offshoot of SVR4, but it has its own version # number series starting with 2... # I am not positive that other SVR4 systems won't match this, # I just have to hope. -- rms. # Use sysv4.2uw... so that sysv4* matches it. echo ${UNAME_MACHINE}-pc-sysv4.2uw${UNAME_VERSION} exit ;; i*86:OS/2:*:*) # If we were able to find `uname', then EMX Unix compatibility # is probably installed. echo ${UNAME_MACHINE}-pc-os2-emx exit ;; i*86:XTS-300:*:STOP) echo ${UNAME_MACHINE}-unknown-stop exit ;; i*86:atheos:*:*) echo ${UNAME_MACHINE}-unknown-atheos exit ;; i*86:syllable:*:*) echo ${UNAME_MACHINE}-pc-syllable exit ;; i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.[02]*:*) echo i386-unknown-lynxos${UNAME_RELEASE} exit ;; i*86:*DOS:*:*) echo ${UNAME_MACHINE}-pc-msdosdjgpp exit ;; i*86:*:4.*:* | i*86:SYSTEM_V:4.*:*) UNAME_REL=`echo ${UNAME_RELEASE} | sed 's/\/MP$//'` if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then echo ${UNAME_MACHINE}-univel-sysv${UNAME_REL} else echo ${UNAME_MACHINE}-pc-sysv${UNAME_REL} fi exit ;; i*86:*:5:[678]*) # UnixWare 7.x, OpenUNIX and OpenServer 6. case `/bin/uname -X | grep "^Machine"` in *486*) UNAME_MACHINE=i486 ;; *Pentium) UNAME_MACHINE=i586 ;; *Pent*|*Celeron) UNAME_MACHINE=i686 ;; esac echo ${UNAME_MACHINE}-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION} exit ;; i*86:*:3.2:*) if test -f /usr/options/cb.name; then UNAME_REL=`sed -n 's/.*Version //p' /dev/null >/dev/null ; then UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')` (/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486 (/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \ && UNAME_MACHINE=i586 (/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \ && UNAME_MACHINE=i686 (/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \ && UNAME_MACHINE=i686 echo ${UNAME_MACHINE}-pc-sco$UNAME_REL else echo ${UNAME_MACHINE}-pc-sysv32 fi exit ;; pc:*:*:*) # Left here for compatibility: # uname -m prints for DJGPP always 'pc', but it prints nothing about # the processor, so we play safe by assuming i586. # Note: whatever this is, it MUST be the same as what config.sub # prints for the "djgpp" host, or else GDB configury will decide that # this is a cross-build. echo i586-pc-msdosdjgpp exit ;; Intel:Mach:3*:*) echo i386-pc-mach3 exit ;; paragon:*:*:*) echo i860-intel-osf1 exit ;; i860:*:4.*:*) # i860-SVR4 if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then echo i860-stardent-sysv${UNAME_RELEASE} # Stardent Vistra i860-SVR4 else # Add other i860-SVR4 vendors below as they are discovered. echo i860-unknown-sysv${UNAME_RELEASE} # Unknown i860-SVR4 fi exit ;; mini*:CTIX:SYS*5:*) # "miniframe" echo m68010-convergent-sysv exit ;; mc68k:UNIX:SYSTEM5:3.51m) echo m68k-convergent-sysv exit ;; M680?0:D-NIX:5.3:*) echo m68k-diab-dnix exit ;; M68*:*:R3V[5678]*:*) test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;; 3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0) OS_REL='' test -r /etc/.relid \ && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4.3${OS_REL}; exit; } /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;; 3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*) /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4; 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*:SINIX-*:*:*) if uname -p 2>/dev/null >/dev/null ; then UNAME_MACHINE=`(uname -p) 2>/dev/null` echo ${UNAME_MACHINE}-sni-sysv4 else echo ns32k-sni-sysv fi exit ;; PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort # says echo i586-unisys-sysv4 exit ;; *:UNIX_System_V:4*:FTX*) # From Gerald Hewes . # How about differentiating between stratus architectures? -djm echo hppa1.1-stratus-sysv4 exit ;; *:*:*:FTX*) # From seanf@swdc.stratus.com. echo i860-stratus-sysv4 exit ;; i*86:VOS:*:*) # From Paul.Green@stratus.com. echo ${UNAME_MACHINE}-stratus-vos exit ;; *:VOS:*:*) # From Paul.Green@stratus.com. echo hppa1.1-stratus-vos exit ;; mc68*:A/UX:*:*) echo m68k-apple-aux${UNAME_RELEASE} exit ;; news*:NEWS-OS:6*:*) echo mips-sony-newsos6 exit ;; R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*) if [ -d /usr/nec ]; then echo mips-nec-sysv${UNAME_RELEASE} else echo mips-unknown-sysv${UNAME_RELEASE} fi exit ;; BeBox:BeOS:*:*) # BeOS running on hardware made by Be, PPC only. echo powerpc-be-beos exit ;; 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esac #echo '(No uname command or uname output not recognized.)' 1>&2 #echo "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" 1>&2 eval $set_cc_for_build cat >$dummy.c < # include #endif main () { #if defined (sony) #if defined (MIPSEB) /* BFD wants "bsd" instead of "newsos". Perhaps BFD should be changed, I don't know.... */ printf ("mips-sony-bsd\n"); exit (0); #else #include printf ("m68k-sony-newsos%s\n", #ifdef NEWSOS4 "4" #else "" #endif ); exit (0); #endif #endif #if defined (__arm) && defined (__acorn) && defined (__unix) printf ("arm-acorn-riscix\n"); exit (0); #endif #if defined (hp300) && !defined (hpux) printf ("m68k-hp-bsd\n"); exit (0); #endif #if defined (NeXT) #if !defined (__ARCHITECTURE__) #define __ARCHITECTURE__ "m68k" #endif int version; version=`(hostinfo | sed -n 's/.*NeXT Mach \([0-9]*\).*/\1/p') 2>/dev/null`; if (version < 4) printf ("%s-next-nextstep%d\n", __ARCHITECTURE__, version); else printf ("%s-next-openstep%d\n", __ARCHITECTURE__, version); exit (0); #endif #if defined (MULTIMAX) || defined (n16) #if defined (UMAXV) printf ("ns32k-encore-sysv\n"); exit (0); #else #if defined (CMU) printf ("ns32k-encore-mach\n"); exit (0); #else printf ("ns32k-encore-bsd\n"); exit (0); #endif #endif #endif #if defined (__386BSD__) printf ("i386-pc-bsd\n"); exit (0); #endif #if defined (sequent) #if defined (i386) printf ("i386-sequent-dynix\n"); exit (0); #endif #if defined (ns32000) printf ("ns32k-sequent-dynix\n"); exit (0); #endif #endif #if defined (_SEQUENT_) struct utsname un; uname(&un); if (strncmp(un.version, "V2", 2) == 0) { printf ("i386-sequent-ptx2\n"); exit (0); } if (strncmp(un.version, "V1", 2) == 0) { /* XXX is V1 correct? */ printf ("i386-sequent-ptx1\n"); exit (0); } printf ("i386-sequent-ptx\n"); exit (0); #endif #if defined (vax) # if !defined (ultrix) # include # if defined (BSD) # if BSD == 43 printf ("vax-dec-bsd4.3\n"); exit (0); # else # if BSD == 199006 printf ("vax-dec-bsd4.3reno\n"); exit (0); # else printf ("vax-dec-bsd\n"); exit (0); # endif # endif # else printf ("vax-dec-bsd\n"); exit (0); # endif # else printf ("vax-dec-ultrix\n"); exit (0); # endif #endif #if defined (alliant) && defined (i860) printf ("i860-alliant-bsd\n"); exit (0); #endif exit (1); } EOF $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null && SYSTEM_NAME=`$dummy` && { echo "$SYSTEM_NAME"; exit; } # Apollos put the system type in the environment. test -d /usr/apollo && { echo ${ISP}-apollo-${SYSTYPE}; exit; } # Convex versions that predate uname can use getsysinfo(1) if [ -x /usr/convex/getsysinfo ] then case `getsysinfo -f cpu_type` in c1*) echo c1-convex-bsd exit ;; c2*) if getsysinfo -f scalar_acc then echo c32-convex-bsd else echo c2-convex-bsd fi exit ;; c34*) echo c34-convex-bsd exit ;; c38*) echo c38-convex-bsd exit ;; c4*) echo c4-convex-bsd exit ;; esac fi cat >&2 < in order to provide the needed information to handle your system. config.guess timestamp = $timestamp uname -m = `(uname -m) 2>/dev/null || echo unknown` uname -r = `(uname -r) 2>/dev/null || echo unknown` uname -s = `(uname -s) 2>/dev/null || echo unknown` uname -v = `(uname -v) 2>/dev/null || echo unknown` /usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null` /bin/uname -X = `(/bin/uname -X) 2>/dev/null` hostinfo = `(hostinfo) 2>/dev/null` /bin/universe = `(/bin/universe) 2>/dev/null` /usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null` /bin/arch = `(/bin/arch) 2>/dev/null` /usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null` /usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null` UNAME_MACHINE = ${UNAME_MACHINE} UNAME_RELEASE = ${UNAME_RELEASE} UNAME_SYSTEM = ${UNAME_SYSTEM} UNAME_VERSION = ${UNAME_VERSION} EOF exit 1 # Local variables: # eval: (add-hook 'write-file-hooks 'time-stamp) # time-stamp-start: "timestamp='" # time-stamp-format: "%:y-%02m-%02d" # time-stamp-end: "'" # End: libdispatch-0~svn197/config/config.h0000644000175100017500000001531611505136243017121 0ustar mheilymheily/* config/config.h. Generated from config.h.in by configure. */ /* config/config.h.in. Generated from configure.ac by autoheader. */ /* Define to compile out legacy API */ /* #undef DISPATCH_NO_LEGACY */ /* Define to 1 if you have the declaration of `CLOCK_MONOTONIC', and to 0 if you don't. */ #define HAVE_DECL_CLOCK_MONOTONIC 0 /* Define to 1 if you have the declaration of `CLOCK_REALTIME', and to 0 if you don't. */ #define HAVE_DECL_CLOCK_REALTIME 0 /* Define to 1 if you have the declaration of `CLOCK_UPTIME', and to 0 if you don't. */ #define HAVE_DECL_CLOCK_UPTIME 0 /* Define to 1 if you have the declaration of `EVFILT_LIO', and to 0 if you don't. */ #define HAVE_DECL_EVFILT_LIO 0 /* Define to 1 if you have the declaration of `EVFILT_SESSION', and to 0 if you don't. */ #define HAVE_DECL_EVFILT_SESSION 1 /* Define to 1 if you have the declaration of `FD_COPY', and to 0 if you don't. */ #define HAVE_DECL_FD_COPY 1 /* Define to 1 if you have the declaration of `NOTE_NONE', and to 0 if you don't. */ #define HAVE_DECL_NOTE_NONE 1 /* Define to 1 if you have the declaration of `NOTE_REAP', and to 0 if you don't. */ #define HAVE_DECL_NOTE_REAP 1 /* Define to 1 if you have the declaration of `NOTE_REVOKE', and to 0 if you don't. */ #define HAVE_DECL_NOTE_REVOKE 1 /* Define to 1 if you have the declaration of `NOTE_SIGNAL', and to 0 if you don't. */ #define HAVE_DECL_NOTE_SIGNAL 1 /* Define to 1 if you have the declaration of `POSIX_SPAWN_START_SUSPENDED', and to 0 if you don't. */ #define HAVE_DECL_POSIX_SPAWN_START_SUSPENDED 1 /* Define to 1 if you have the declaration of `SIGEMT', and to 0 if you don't. */ #define HAVE_DECL_SIGEMT 1 /* Define to 1 if you have the declaration of `VQ_UPDATE', and to 0 if you don't. */ #define HAVE_DECL_VQ_UPDATE 1 /* Define to 1 if you have the declaration of `VQ_VERYLOWDISK', and to 0 if you don't. */ #define HAVE_DECL_VQ_VERYLOWDISK 1 /* Define to 1 if you have the header file. */ #define HAVE_DLFCN_H 1 /* Define to 1 if you have the `getprogname' function. */ #define HAVE_GETPROGNAME 1 /* Define to 1 if you have the header file. */ #define HAVE_INTTYPES_H 1 /* Define if Apple leaks program is present */ #define HAVE_LEAKS 1 /* Define to 1 if you have the header file. */ #define HAVE_LIBKERN_OSATOMIC_H 1 /* Define to 1 if you have the header file. */ #define HAVE_LIBKERN_OSCROSSENDIAN_H 1 /* Define if mach is present */ #define HAVE_MACH 1 /* Define to 1 if you have the `mach_absolute_time' function. */ #define HAVE_MACH_ABSOLUTE_TIME 1 /* Define to 1 if you have the `malloc_create_zone' function. */ #define HAVE_MALLOC_CREATE_ZONE 1 /* Define to 1 if you have the header file. */ #define HAVE_MALLOC_MALLOC_H 1 /* Define to 1 if you have the header file. */ #define HAVE_MEMORY_H 1 /* Define if __builtin_trap marked noreturn */ #define HAVE_NORETURN_BUILTIN_TRAP 1 /* Define if __private_extern__ present */ #define HAVE_PRIVATE_EXTERN 1 /* Define to 1 if you have the `program_invocation_short_name' function. */ /* #undef HAVE_PROGRAM_INVOCATION_SHORT_NAME */ /* Define to 1 if you have the `pthread_key_init_np' function. */ #define HAVE_PTHREAD_KEY_INIT_NP 1 /* Define to 1 if you have the header file. */ #define HAVE_PTHREAD_MACHDEP_H 1 /* Define to 1 if you have the `pthread_main_np' function. */ #define HAVE_PTHREAD_MAIN_NP 1 /* Define to 1 if you have the header file. */ /* #undef HAVE_PTHREAD_NP_H */ /* Define if pthread work queues are present */ #define HAVE_PTHREAD_WORKQUEUES 1 /* Define to 1 if you have the header file. */ #define HAVE_STDINT_H 1 /* Define to 1 if you have the header file. */ #define HAVE_STDLIB_H 1 /* Define to 1 if you have the header file. */ #define HAVE_STRINGS_H 1 /* Define to 1 if you have the header file. */ #define HAVE_STRING_H 1 /* Define to 1 if you have the `sysconf' function. */ #define HAVE_SYSCONF 1 /* Define to 1 if you have the header file. */ #define HAVE_SYS_CDEFS_H 1 /* Define to 1 if you have the header file. */ #define HAVE_SYS_STAT_H 1 /* Define to 1 if you have the header file. */ #define HAVE_SYS_SYSCTL_H 1 /* Define to 1 if you have the header file. */ #define HAVE_SYS_TYPES_H 1 /* Define to 1 if you have the header file. */ #define HAVE_TARGETCONDITIONALS_H 1 /* Define to 1 if you have the header file. */ #define HAVE_UNISTD_H 1 /* Define to the sub-directory in which libtool stores uninstalled libraries. */ #define LT_OBJDIR ".libs/" /* Name of package */ #define PACKAGE "libdispatch" /* Define to the address where bug reports for this package should be sent. */ #define PACKAGE_BUGREPORT "libdispatch@macosforge.org" /* Define to the full name of this package. */ #define PACKAGE_NAME "libdispatch" /* Define to the full name and version of this package. */ #define PACKAGE_STRING "libdispatch 1.0" /* Define to the one symbol short name of this package. */ #define PACKAGE_TARNAME "libdispatch" /* Define to the version of this package. */ #define PACKAGE_VERSION "1.0" /* Define to 1 if you have the ANSI C header files. */ #define STDC_HEADERS 1 /* Define to use Mac OS X crashreporter info */ #define USE_APPLE_CRASHREPORTER_INFO 1 /* Define to use non-portablesemaphore optimizations for Mac OS X */ #define USE_APPLE_SEMAPHORE_OPTIMIZATIONS 1 /* Define to use non-portable pthread TSD optimizations for Mac OS X) */ #define USE_APPLE_TSD_OPTIMIZATIONS 1 /* Define to tag libdispatch_init as a constructor */ /* #undef USE_LIBDISPATCH_INIT_CONSTRUCTOR */ /* Define to use Mach semaphores */ #define USE_MACH_SEM 1 /* Define to use POSIX semaphores */ /* #undef USE_POSIX_SEM */ /* Version number of package */ #define VERSION "1.0" /* Define to 1 if on AIX 3. System headers sometimes define this. We just want to avoid a redefinition error message. */ #ifndef _ALL_SOURCE /* # undef _ALL_SOURCE */ #endif /* Enable GNU extensions on systems that have them. */ #ifndef _GNU_SOURCE # define _GNU_SOURCE 1 #endif /* Define to 1 if on MINIX. */ /* #undef _MINIX */ /* Define to 2 if the system does not provide POSIX.1 features except with this defined. */ /* #undef _POSIX_1_SOURCE */ /* Define to 1 if you need to in order for `stat' and other things to work. */ /* #undef _POSIX_SOURCE */ /* Enable extensions on Solaris. */ #ifndef __EXTENSIONS__ # define __EXTENSIONS__ 1 #endif #ifndef _POSIX_PTHREAD_SEMANTICS # define _POSIX_PTHREAD_SEMANTICS 1 #endif #ifndef _TANDEM_SOURCE # define _TANDEM_SOURCE 1 #endif /* Define to a replacement for __private_extern */ /* #undef __private_extern__ */ libdispatch-0~svn197/config/config.sub0000755000175100017500000010344511505136270017467 0ustar mheilymheily#! /bin/sh # Configuration validation subroutine script. # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, # 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 # Free Software Foundation, Inc. timestamp='2010-01-22' # This file is (in principle) common to ALL GNU software. # The presence of a machine in this file suggests that SOME GNU software # can handle that machine. It does not imply ALL GNU software can. # # This file is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA # 02110-1301, USA. # # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that program. # Please send patches to . Submit a context # diff and a properly formatted GNU ChangeLog entry. # # Configuration subroutine to validate and canonicalize a configuration type. # Supply the specified configuration type as an argument. # If it is invalid, we print an error message on stderr and exit with code 1. # Otherwise, we print the canonical config type on stdout and succeed. # You can get the latest version of this script from: # http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD # This file is supposed to be the same for all GNU packages # and recognize all the CPU types, system types and aliases # that are meaningful with *any* GNU software. # Each package is responsible for reporting which valid configurations # it does not support. The user should be able to distinguish # a failure to support a valid configuration from a meaningless # configuration. # The goal of this file is to map all the various variations of a given # machine specification into a single specification in the form: # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM # or in some cases, the newer four-part form: # CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM # It is wrong to echo any other type of specification. me=`echo "$0" | sed -e 's,.*/,,'` usage="\ Usage: $0 [OPTION] CPU-MFR-OPSYS $0 [OPTION] ALIAS Canonicalize a configuration name. Operation modes: -h, --help print this help, then exit -t, --time-stamp print date of last modification, then exit -v, --version print version number, then exit Report bugs and patches to ." version="\ GNU config.sub ($timestamp) Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." help=" Try \`$me --help' for more information." # Parse command line while test $# -gt 0 ; do case $1 in --time-stamp | --time* | -t ) echo "$timestamp" ; exit ;; --version | -v ) echo "$version" ; exit ;; --help | --h* | -h ) echo "$usage"; exit ;; -- ) # Stop option processing shift; break ;; - ) # Use stdin as input. break ;; -* ) echo "$me: invalid option $1$help" exit 1 ;; *local*) # First pass through any local machine types. echo $1 exit ;; * ) break ;; esac done case $# in 0) echo "$me: missing argument$help" >&2 exit 1;; 1) ;; *) echo "$me: too many arguments$help" >&2 exit 1;; esac # Separate what the user gave into CPU-COMPANY and OS or KERNEL-OS (if any). # Here we must recognize all the valid KERNEL-OS combinations. maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'` case $maybe_os in nto-qnx* | linux-gnu* | linux-dietlibc | linux-newlib* | linux-uclibc* | \ uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | knetbsd*-gnu* | netbsd*-gnu* | \ kopensolaris*-gnu* | \ storm-chaos* | os2-emx* | rtmk-nova*) os=-$maybe_os basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'` ;; *) basic_machine=`echo $1 | sed 's/-[^-]*$//'` if [ $basic_machine != $1 ] then os=`echo $1 | sed 's/.*-/-/'` else os=; fi ;; esac ### Let's recognize common machines as not being operating systems so ### that things like config.sub decstation-3100 work. We also ### recognize some manufacturers as not being operating systems, so we ### can provide default operating systems below. case $os in -sun*os*) # Prevent following clause from handling this invalid input. ;; -dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \ -att* | -7300* | -3300* | -delta* | -motorola* | -sun[234]* | \ -unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \ -convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\ -c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \ -harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \ -apple | -axis | -knuth | -cray | -microblaze) os= basic_machine=$1 ;; -bluegene*) os=-cnk ;; -sim | -cisco | -oki | -wec | -winbond) os= basic_machine=$1 ;; -scout) ;; -wrs) os=-vxworks basic_machine=$1 ;; -chorusos*) os=-chorusos basic_machine=$1 ;; -chorusrdb) os=-chorusrdb basic_machine=$1 ;; -hiux*) os=-hiuxwe2 ;; -sco6) os=-sco5v6 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco5) os=-sco3.2v5 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco4) os=-sco3.2v4 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco3.2.[4-9]*) os=`echo $os | sed -e 's/sco3.2./sco3.2v/'` basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco3.2v[4-9]*) # Don't forget version if it is 3.2v4 or newer. basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco5v6*) # Don't forget version if it is 3.2v4 or newer. basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco*) os=-sco3.2v2 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -udk*) basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -isc) os=-isc2.2 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -clix*) basic_machine=clipper-intergraph ;; -isc*) basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -lynx*) os=-lynxos ;; -ptx*) basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'` ;; -windowsnt*) os=`echo $os | sed -e 's/windowsnt/winnt/'` ;; -psos*) os=-psos ;; -mint | -mint[0-9]*) basic_machine=m68k-atari os=-mint ;; esac # Decode aliases for certain CPU-COMPANY combinations. case $basic_machine in # Recognize the basic CPU types without company name. # Some are omitted here because they have special meanings below. 1750a | 580 \ | a29k \ | alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \ | alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \ | am33_2.0 \ | arc | arm | arm[bl]e | arme[lb] | armv[2345] | armv[345][lb] | avr | avr32 \ | bfin \ | c4x | clipper \ | d10v | d30v | dlx | dsp16xx \ | fido | fr30 | frv \ | h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \ | i370 | i860 | i960 | ia64 \ | ip2k | iq2000 \ | lm32 \ | m32c | m32r | m32rle | m68000 | m68k | m88k \ | maxq | mb | microblaze | mcore | mep | metag \ | mips | mipsbe | mipseb | mipsel | mipsle \ | mips16 \ | mips64 | mips64el \ | mips64octeon | mips64octeonel \ | mips64orion | mips64orionel \ | mips64r5900 | mips64r5900el \ | mips64vr | mips64vrel \ | mips64vr4100 | mips64vr4100el \ | mips64vr4300 | mips64vr4300el \ | mips64vr5000 | mips64vr5000el \ | mips64vr5900 | mips64vr5900el \ | mipsisa32 | mipsisa32el \ | mipsisa32r2 | mipsisa32r2el \ | mipsisa64 | mipsisa64el \ | mipsisa64r2 | mipsisa64r2el \ | mipsisa64sb1 | mipsisa64sb1el \ | mipsisa64sr71k | mipsisa64sr71kel \ | mipstx39 | mipstx39el \ | mn10200 | mn10300 \ | moxie \ | mt \ | msp430 \ | nios | nios2 \ | ns16k | ns32k \ | or32 \ | pdp10 | pdp11 | pj | pjl \ | powerpc | powerpc64 | powerpc64le | powerpcle | ppcbe \ | pyramid \ | rx \ | score \ | sh | sh[1234] | sh[24]a | sh[24]aeb | sh[23]e | sh[34]eb | sheb | shbe | shle | sh[1234]le | sh3ele \ | sh64 | sh64le \ | sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \ | sparcv8 | sparcv9 | sparcv9b | sparcv9v \ | spu | strongarm \ | tahoe | thumb | tic4x | tic80 | tron \ | ubicom32 \ | v850 | v850e \ | we32k \ | x86 | xc16x | xscale | xscalee[bl] | xstormy16 | xtensa \ | z8k | z80) basic_machine=$basic_machine-unknown ;; m6811 | m68hc11 | m6812 | m68hc12 | picochip) # Motorola 68HC11/12. basic_machine=$basic_machine-unknown os=-none ;; m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65 | z8k) ;; ms1) basic_machine=mt-unknown ;; # We use `pc' rather than `unknown' # because (1) that's what they normally are, and # (2) the word "unknown" tends to confuse beginning users. i*86 | x86_64) basic_machine=$basic_machine-pc ;; # Object if more than one company name word. *-*-*) echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2 exit 1 ;; # Recognize the basic CPU types with company name. 580-* \ | a29k-* \ | alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \ | alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \ | alphapca5[67]-* | alpha64pca5[67]-* | arc-* \ | arm-* | armbe-* | armle-* | armeb-* | armv*-* \ | avr-* | avr32-* \ | bfin-* | bs2000-* \ | c[123]* | c30-* | [cjt]90-* | c4x-* | c54x-* | c55x-* | c6x-* \ | clipper-* | craynv-* | cydra-* \ | d10v-* | d30v-* | dlx-* \ | elxsi-* \ | f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \ | h8300-* | h8500-* \ | hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \ | i*86-* | i860-* | i960-* | ia64-* \ | ip2k-* | iq2000-* \ | lm32-* \ | m32c-* | m32r-* | m32rle-* \ | m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \ | m88110-* | m88k-* | maxq-* | mcore-* | metag-* | microblaze-* \ | mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \ | mips16-* \ | mips64-* | mips64el-* \ | mips64octeon-* | mips64octeonel-* \ | mips64orion-* | mips64orionel-* \ | mips64r5900-* | mips64r5900el-* \ | mips64vr-* | mips64vrel-* \ | mips64vr4100-* | mips64vr4100el-* \ | mips64vr4300-* | mips64vr4300el-* \ | mips64vr5000-* | mips64vr5000el-* \ | mips64vr5900-* | mips64vr5900el-* \ | mipsisa32-* | mipsisa32el-* \ | mipsisa32r2-* | mipsisa32r2el-* \ | mipsisa64-* | mipsisa64el-* \ | mipsisa64r2-* | mipsisa64r2el-* \ | mipsisa64sb1-* | mipsisa64sb1el-* \ | mipsisa64sr71k-* | mipsisa64sr71kel-* \ | mipstx39-* | mipstx39el-* \ | mmix-* \ | mt-* \ | msp430-* \ | nios-* | nios2-* \ | none-* | np1-* | ns16k-* | ns32k-* \ | orion-* \ | pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \ | powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* | ppcbe-* \ | pyramid-* \ | romp-* | rs6000-* | rx-* \ | sh-* | sh[1234]-* | sh[24]a-* | sh[24]aeb-* | sh[23]e-* | sh[34]eb-* | sheb-* | shbe-* \ | shle-* | sh[1234]le-* | sh3ele-* | sh64-* | sh64le-* \ | sparc-* | sparc64-* | sparc64b-* | sparc64v-* | sparc86x-* | sparclet-* \ | sparclite-* \ | sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | strongarm-* | sv1-* | sx?-* \ | tahoe-* | thumb-* \ | tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \ | tile-* | tilegx-* \ | tron-* \ | ubicom32-* \ | v850-* | v850e-* | vax-* \ | we32k-* \ | x86-* | x86_64-* | xc16x-* | xps100-* | xscale-* | xscalee[bl]-* \ | xstormy16-* | xtensa*-* \ | ymp-* \ | z8k-* | z80-*) ;; # Recognize the basic CPU types without company name, with glob match. xtensa*) basic_machine=$basic_machine-unknown ;; # Recognize the various machine names and aliases which stand # for a CPU type and a company and sometimes even an OS. 386bsd) basic_machine=i386-unknown os=-bsd ;; 3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc) basic_machine=m68000-att ;; 3b*) basic_machine=we32k-att ;; a29khif) basic_machine=a29k-amd os=-udi ;; abacus) basic_machine=abacus-unknown ;; adobe68k) basic_machine=m68010-adobe os=-scout ;; alliant | fx80) basic_machine=fx80-alliant ;; altos | altos3068) basic_machine=m68k-altos ;; am29k) basic_machine=a29k-none os=-bsd ;; amd64) basic_machine=x86_64-pc ;; amd64-*) basic_machine=x86_64-`echo $basic_machine | sed 's/^[^-]*-//'` ;; amdahl) basic_machine=580-amdahl os=-sysv ;; amiga | amiga-*) basic_machine=m68k-unknown ;; amigaos | amigados) basic_machine=m68k-unknown os=-amigaos ;; amigaunix | amix) basic_machine=m68k-unknown os=-sysv4 ;; apollo68) basic_machine=m68k-apollo os=-sysv ;; apollo68bsd) basic_machine=m68k-apollo os=-bsd ;; aros) basic_machine=i386-pc os=-aros ;; aux) basic_machine=m68k-apple os=-aux ;; balance) basic_machine=ns32k-sequent os=-dynix ;; blackfin) basic_machine=bfin-unknown os=-linux ;; blackfin-*) basic_machine=bfin-`echo $basic_machine | sed 's/^[^-]*-//'` os=-linux ;; bluegene*) basic_machine=powerpc-ibm os=-cnk ;; c90) basic_machine=c90-cray os=-unicos ;; cegcc) basic_machine=arm-unknown os=-cegcc ;; convex-c1) basic_machine=c1-convex os=-bsd ;; convex-c2) basic_machine=c2-convex os=-bsd ;; convex-c32) basic_machine=c32-convex os=-bsd ;; convex-c34) basic_machine=c34-convex os=-bsd ;; convex-c38) basic_machine=c38-convex os=-bsd ;; cray | j90) basic_machine=j90-cray os=-unicos ;; craynv) basic_machine=craynv-cray os=-unicosmp ;; cr16) basic_machine=cr16-unknown os=-elf ;; crds | unos) basic_machine=m68k-crds ;; crisv32 | crisv32-* | etraxfs*) basic_machine=crisv32-axis ;; cris | cris-* | etrax*) basic_machine=cris-axis ;; crx) basic_machine=crx-unknown os=-elf ;; da30 | da30-*) basic_machine=m68k-da30 ;; decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn) basic_machine=mips-dec ;; decsystem10* | dec10*) basic_machine=pdp10-dec os=-tops10 ;; decsystem20* | dec20*) basic_machine=pdp10-dec os=-tops20 ;; delta | 3300 | motorola-3300 | motorola-delta \ | 3300-motorola | delta-motorola) basic_machine=m68k-motorola ;; delta88) basic_machine=m88k-motorola os=-sysv3 ;; dicos) basic_machine=i686-pc os=-dicos ;; djgpp) basic_machine=i586-pc os=-msdosdjgpp ;; dpx20 | dpx20-*) basic_machine=rs6000-bull os=-bosx ;; dpx2* | dpx2*-bull) basic_machine=m68k-bull os=-sysv3 ;; ebmon29k) basic_machine=a29k-amd os=-ebmon ;; elxsi) basic_machine=elxsi-elxsi os=-bsd ;; encore | umax | mmax) basic_machine=ns32k-encore ;; es1800 | OSE68k | ose68k | ose | OSE) basic_machine=m68k-ericsson os=-ose ;; fx2800) basic_machine=i860-alliant ;; genix) basic_machine=ns32k-ns ;; gmicro) basic_machine=tron-gmicro os=-sysv ;; go32) basic_machine=i386-pc os=-go32 ;; h3050r* | hiux*) basic_machine=hppa1.1-hitachi os=-hiuxwe2 ;; h8300hms) basic_machine=h8300-hitachi os=-hms ;; h8300xray) basic_machine=h8300-hitachi os=-xray ;; h8500hms) basic_machine=h8500-hitachi os=-hms ;; harris) basic_machine=m88k-harris os=-sysv3 ;; hp300-*) basic_machine=m68k-hp ;; hp300bsd) basic_machine=m68k-hp os=-bsd ;; hp300hpux) basic_machine=m68k-hp os=-hpux ;; hp3k9[0-9][0-9] | hp9[0-9][0-9]) basic_machine=hppa1.0-hp ;; hp9k2[0-9][0-9] | hp9k31[0-9]) basic_machine=m68000-hp ;; hp9k3[2-9][0-9]) basic_machine=m68k-hp ;; hp9k6[0-9][0-9] | hp6[0-9][0-9]) basic_machine=hppa1.0-hp ;; hp9k7[0-79][0-9] | hp7[0-79][0-9]) basic_machine=hppa1.1-hp ;; hp9k78[0-9] | hp78[0-9]) # FIXME: really hppa2.0-hp basic_machine=hppa1.1-hp ;; hp9k8[67]1 | hp8[67]1 | hp9k80[24] | hp80[24] | hp9k8[78]9 | hp8[78]9 | hp9k893 | hp893) # FIXME: really hppa2.0-hp basic_machine=hppa1.1-hp ;; hp9k8[0-9][13679] | hp8[0-9][13679]) basic_machine=hppa1.1-hp ;; hp9k8[0-9][0-9] | hp8[0-9][0-9]) basic_machine=hppa1.0-hp ;; hppa-next) os=-nextstep3 ;; hppaosf) basic_machine=hppa1.1-hp os=-osf ;; hppro) basic_machine=hppa1.1-hp os=-proelf ;; i370-ibm* | ibm*) basic_machine=i370-ibm ;; # I'm not sure what "Sysv32" means. Should this be sysv3.2? i*86v32) basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` os=-sysv32 ;; i*86v4*) basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` os=-sysv4 ;; i*86v) basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` os=-sysv ;; i*86sol2) basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` os=-solaris2 ;; i386mach) basic_machine=i386-mach os=-mach ;; i386-vsta | vsta) basic_machine=i386-unknown os=-vsta ;; iris | iris4d) basic_machine=mips-sgi case $os in -irix*) ;; *) os=-irix4 ;; esac ;; isi68 | isi) basic_machine=m68k-isi os=-sysv ;; m68knommu) basic_machine=m68k-unknown os=-linux ;; m68knommu-*) basic_machine=m68k-`echo $basic_machine | sed 's/^[^-]*-//'` os=-linux ;; m88k-omron*) basic_machine=m88k-omron ;; magnum | m3230) basic_machine=mips-mips os=-sysv ;; merlin) basic_machine=ns32k-utek os=-sysv ;; microblaze) basic_machine=microblaze-xilinx ;; mingw32) basic_machine=i386-pc os=-mingw32 ;; mingw32ce) basic_machine=arm-unknown os=-mingw32ce ;; miniframe) basic_machine=m68000-convergent ;; *mint | -mint[0-9]* | *MiNT | *MiNT[0-9]*) basic_machine=m68k-atari os=-mint ;; mips3*-*) basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'` ;; mips3*) basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown ;; monitor) basic_machine=m68k-rom68k os=-coff ;; morphos) basic_machine=powerpc-unknown os=-morphos ;; msdos) basic_machine=i386-pc os=-msdos ;; ms1-*) basic_machine=`echo $basic_machine | sed -e 's/ms1-/mt-/'` ;; mvs) basic_machine=i370-ibm os=-mvs ;; ncr3000) basic_machine=i486-ncr os=-sysv4 ;; netbsd386) basic_machine=i386-unknown os=-netbsd ;; netwinder) basic_machine=armv4l-rebel os=-linux ;; news | news700 | news800 | news900) basic_machine=m68k-sony os=-newsos ;; news1000) basic_machine=m68030-sony os=-newsos ;; news-3600 | risc-news) basic_machine=mips-sony os=-newsos ;; necv70) basic_machine=v70-nec os=-sysv ;; next | m*-next ) basic_machine=m68k-next case $os in -nextstep* ) ;; -ns2*) os=-nextstep2 ;; *) os=-nextstep3 ;; esac ;; nh3000) basic_machine=m68k-harris os=-cxux ;; nh[45]000) basic_machine=m88k-harris os=-cxux ;; nindy960) basic_machine=i960-intel os=-nindy ;; mon960) basic_machine=i960-intel os=-mon960 ;; nonstopux) basic_machine=mips-compaq os=-nonstopux ;; np1) basic_machine=np1-gould ;; nsr-tandem) basic_machine=nsr-tandem ;; op50n-* | op60c-*) basic_machine=hppa1.1-oki os=-proelf ;; openrisc | openrisc-*) basic_machine=or32-unknown ;; os400) basic_machine=powerpc-ibm os=-os400 ;; OSE68000 | ose68000) basic_machine=m68000-ericsson os=-ose ;; os68k) basic_machine=m68k-none os=-os68k ;; pa-hitachi) basic_machine=hppa1.1-hitachi os=-hiuxwe2 ;; paragon) basic_machine=i860-intel os=-osf ;; parisc) basic_machine=hppa-unknown os=-linux ;; parisc-*) basic_machine=hppa-`echo $basic_machine | sed 's/^[^-]*-//'` os=-linux ;; pbd) basic_machine=sparc-tti ;; pbb) basic_machine=m68k-tti ;; pc532 | pc532-*) basic_machine=ns32k-pc532 ;; pc98) basic_machine=i386-pc ;; pc98-*) basic_machine=i386-`echo $basic_machine | sed 's/^[^-]*-//'` ;; pentium | p5 | k5 | k6 | nexgen | viac3) basic_machine=i586-pc ;; pentiumpro | p6 | 6x86 | athlon | athlon_*) basic_machine=i686-pc ;; pentiumii | pentium2 | pentiumiii | pentium3) basic_machine=i686-pc ;; pentium4) basic_machine=i786-pc ;; pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*) basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'` ;; pentiumpro-* | p6-* | 6x86-* | athlon-*) basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'` ;; pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*) basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'` ;; pentium4-*) basic_machine=i786-`echo $basic_machine | sed 's/^[^-]*-//'` ;; pn) basic_machine=pn-gould ;; power) basic_machine=power-ibm ;; ppc) basic_machine=powerpc-unknown ;; ppc-*) basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'` ;; ppcle | powerpclittle | ppc-le | powerpc-little) basic_machine=powerpcle-unknown ;; ppcle-* | powerpclittle-*) basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'` ;; ppc64) basic_machine=powerpc64-unknown ;; ppc64-*) basic_machine=powerpc64-`echo $basic_machine | sed 's/^[^-]*-//'` ;; ppc64le | powerpc64little | ppc64-le | powerpc64-little) basic_machine=powerpc64le-unknown ;; ppc64le-* | powerpc64little-*) basic_machine=powerpc64le-`echo $basic_machine | sed 's/^[^-]*-//'` ;; ps2) basic_machine=i386-ibm ;; pw32) basic_machine=i586-unknown os=-pw32 ;; rdos) basic_machine=i386-pc os=-rdos ;; rom68k) basic_machine=m68k-rom68k os=-coff ;; rm[46]00) basic_machine=mips-siemens ;; rtpc | rtpc-*) basic_machine=romp-ibm ;; s390 | s390-*) basic_machine=s390-ibm ;; s390x | s390x-*) basic_machine=s390x-ibm ;; sa29200) basic_machine=a29k-amd os=-udi ;; sb1) basic_machine=mipsisa64sb1-unknown ;; sb1el) basic_machine=mipsisa64sb1el-unknown ;; sde) basic_machine=mipsisa32-sde os=-elf ;; sei) basic_machine=mips-sei os=-seiux ;; sequent) basic_machine=i386-sequent ;; sh) basic_machine=sh-hitachi os=-hms ;; sh5el) basic_machine=sh5le-unknown ;; sh64) basic_machine=sh64-unknown ;; sparclite-wrs | simso-wrs) basic_machine=sparclite-wrs os=-vxworks ;; sps7) basic_machine=m68k-bull os=-sysv2 ;; spur) basic_machine=spur-unknown ;; st2000) basic_machine=m68k-tandem ;; stratus) basic_machine=i860-stratus os=-sysv4 ;; sun2) basic_machine=m68000-sun ;; sun2os3) basic_machine=m68000-sun os=-sunos3 ;; sun2os4) basic_machine=m68000-sun os=-sunos4 ;; sun3os3) basic_machine=m68k-sun os=-sunos3 ;; sun3os4) basic_machine=m68k-sun os=-sunos4 ;; sun4os3) basic_machine=sparc-sun os=-sunos3 ;; sun4os4) basic_machine=sparc-sun os=-sunos4 ;; sun4sol2) basic_machine=sparc-sun os=-solaris2 ;; sun3 | sun3-*) basic_machine=m68k-sun ;; sun4) basic_machine=sparc-sun ;; sun386 | sun386i | roadrunner) basic_machine=i386-sun ;; sv1) basic_machine=sv1-cray os=-unicos ;; symmetry) basic_machine=i386-sequent os=-dynix ;; t3e) basic_machine=alphaev5-cray os=-unicos ;; t90) basic_machine=t90-cray os=-unicos ;; tic54x | c54x*) basic_machine=tic54x-unknown os=-coff ;; tic55x | c55x*) basic_machine=tic55x-unknown os=-coff ;; tic6x | c6x*) basic_machine=tic6x-unknown os=-coff ;; # This must be matched before tile*. tilegx*) basic_machine=tilegx-unknown os=-linux-gnu ;; 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IN NO EVENT SHALL THE # X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN # AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- # TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. # # Except as contained in this notice, the name of the X Consortium shall not # be used in advertising or otherwise to promote the sale, use or other deal- # ings in this Software without prior written authorization from the X Consor- # tium. # # # FSF changes to this file are in the public domain. # # Calling this script install-sh is preferred over install.sh, to prevent # `make' implicit rules from creating a file called install from it # when there is no Makefile. # # This script is compatible with the BSD install script, but was written # from scratch. nl=' ' IFS=" "" $nl" # set DOITPROG to echo to test this script # Don't use :- since 4.3BSD and earlier shells don't like it. doit=${DOITPROG-} if test -z "$doit"; then doit_exec=exec else doit_exec=$doit fi # Put in absolute file names if you don't have them in your path; # or use environment vars. chgrpprog=${CHGRPPROG-chgrp} chmodprog=${CHMODPROG-chmod} chownprog=${CHOWNPROG-chown} cmpprog=${CMPPROG-cmp} cpprog=${CPPROG-cp} mkdirprog=${MKDIRPROG-mkdir} mvprog=${MVPROG-mv} rmprog=${RMPROG-rm} stripprog=${STRIPPROG-strip} posix_glob='?' initialize_posix_glob=' test "$posix_glob" != "?" || { if (set -f) 2>/dev/null; then posix_glob= else posix_glob=: fi } ' posix_mkdir= # Desired mode of installed file. mode=0755 chgrpcmd= chmodcmd=$chmodprog chowncmd= mvcmd=$mvprog rmcmd="$rmprog -f" stripcmd= src= dst= dir_arg= dst_arg= copy_on_change=false no_target_directory= usage="\ Usage: $0 [OPTION]... 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There is NO # warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # GNU Libtool is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # As a special exception to the GNU General Public License, # if you distribute this file as part of a program or library that # is built using GNU Libtool, you may include this file under the # same distribution terms that you use for the rest of that program. # # GNU Libtool is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # You should have received a copy of the GNU General Public License # along with GNU Libtool; see the file COPYING. If not, a copy # can be downloaded from http://www.gnu.org/licenses/gpl.html, # or obtained by writing to the Free Software Foundation, Inc., # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. # Usage: $progname [OPTION]... [MODE-ARG]... # # Provide generalized library-building support services. # # --config show all configuration variables # --debug enable verbose shell tracing # -n, --dry-run display commands without modifying any files # --features display basic configuration information and exit # --mode=MODE use operation mode MODE # --preserve-dup-deps don't remove duplicate dependency libraries # --quiet, --silent don't print informational messages # --tag=TAG use configuration variables from tag TAG # -v, --verbose print informational messages (default) # --version print version information # -h, --help print short or long help message # # MODE must be one of the following: # # clean remove files from the build directory # compile compile a source file into a libtool object # execute automatically set library path, then run a program # finish complete the installation of libtool libraries # install install libraries or executables # link create a library or an executable # uninstall remove libraries from an installed directory # # MODE-ARGS vary depending on the MODE. # Try `$progname --help --mode=MODE' for a more detailed description of MODE. # # When reporting a bug, please describe a test case to reproduce it and # include the following information: # # host-triplet: $host # shell: $SHELL # compiler: $LTCC # compiler flags: $LTCFLAGS # linker: $LD (gnu? $with_gnu_ld) # $progname: (GNU libtool) 2.2.6b Debian-2.2.6b-2ubuntu1 # automake: $automake_version # autoconf: $autoconf_version # # Report bugs to . 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This is $PACKAGE $VERSION, but the $progname: definition of this LT_INIT comes from an older release. $progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION $progname: and run autoconf again. _LT_EOF else cat >&2 <<_LT_EOF $progname: Version mismatch error. This is $PACKAGE $VERSION, but the $progname: definition of this LT_INIT comes from $PACKAGE $macro_version. $progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION $progname: and run autoconf again. _LT_EOF fi else cat >&2 <<_LT_EOF $progname: Version mismatch error. This is $PACKAGE $VERSION, revision $package_revision, $progname: but the definition of this LT_INIT comes from revision $macro_revision. $progname: You should recreate aclocal.m4 with macros from revision $package_revision $progname: of $PACKAGE $VERSION and run autoconf again. _LT_EOF fi exit $EXIT_MISMATCH fi } ## ----------- ## ## Main. ## ## ----------- ## $opt_help || { # Sanity checks first: func_check_version_match if test "$build_libtool_libs" != yes && test "$build_old_libs" != yes; then func_fatal_configuration "not configured to build any kind of library" fi test -z "$mode" && func_fatal_error "error: you must specify a MODE." # Darwin sucks eval std_shrext=\"$shrext_cmds\" # Only execute mode is allowed to have -dlopen flags. if test -n "$execute_dlfiles" && test "$mode" != execute; then func_error "unrecognized option \`-dlopen'" $ECHO "$help" 1>&2 exit $EXIT_FAILURE fi # Change the help message to a mode-specific one. generic_help="$help" help="Try \`$progname --help --mode=$mode' for more information." } # func_lalib_p file # True iff FILE is a libtool `.la' library or `.lo' object file. # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_lalib_p () { test -f "$1" && $SED -e 4q "$1" 2>/dev/null \ | $GREP "^# Generated by .*$PACKAGE" > /dev/null 2>&1 } # func_lalib_unsafe_p file # True iff FILE is a libtool `.la' library or `.lo' object file. # This function implements the same check as func_lalib_p without # resorting to external programs. To this end, it redirects stdin and # closes it afterwards, without saving the original file descriptor. # As a safety measure, use it only where a negative result would be # fatal anyway. Works if `file' does not exist. func_lalib_unsafe_p () { lalib_p=no if test -f "$1" && test -r "$1" && exec 5<&0 <"$1"; then for lalib_p_l in 1 2 3 4 do read lalib_p_line case "$lalib_p_line" in \#\ Generated\ by\ *$PACKAGE* ) lalib_p=yes; break;; esac done exec 0<&5 5<&- fi test "$lalib_p" = yes } # func_ltwrapper_script_p file # True iff FILE is a libtool wrapper script # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_ltwrapper_script_p () { func_lalib_p "$1" } # func_ltwrapper_executable_p file # True iff FILE is a libtool wrapper executable # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_ltwrapper_executable_p () { func_ltwrapper_exec_suffix= case $1 in *.exe) ;; *) func_ltwrapper_exec_suffix=.exe ;; esac $GREP "$magic_exe" "$1$func_ltwrapper_exec_suffix" >/dev/null 2>&1 } # func_ltwrapper_scriptname file # Assumes file is an ltwrapper_executable # uses $file to determine the appropriate filename for a # temporary ltwrapper_script. func_ltwrapper_scriptname () { func_ltwrapper_scriptname_result="" if func_ltwrapper_executable_p "$1"; then func_dirname_and_basename "$1" "" "." func_stripname '' '.exe' "$func_basename_result" func_ltwrapper_scriptname_result="$func_dirname_result/$objdir/${func_stripname_result}_ltshwrapper" fi } # func_ltwrapper_p file # True iff FILE is a libtool wrapper script or wrapper executable # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_ltwrapper_p () { func_ltwrapper_script_p "$1" || func_ltwrapper_executable_p "$1" } # func_execute_cmds commands fail_cmd # Execute tilde-delimited COMMANDS. # If FAIL_CMD is given, eval that upon failure. # FAIL_CMD may read-access the current command in variable CMD! func_execute_cmds () { $opt_debug save_ifs=$IFS; IFS='~' for cmd in $1; do IFS=$save_ifs eval cmd=\"$cmd\" func_show_eval "$cmd" "${2-:}" done IFS=$save_ifs } # func_source file # Source FILE, adding directory component if necessary. # Note that it is not necessary on cygwin/mingw to append a dot to # FILE even if both FILE and FILE.exe exist: automatic-append-.exe # behavior happens only for exec(3), not for open(2)! Also, sourcing # `FILE.' does not work on cygwin managed mounts. func_source () { $opt_debug case $1 in */* | *\\*) . "$1" ;; *) . "./$1" ;; esac } # func_infer_tag arg # Infer tagged configuration to use if any are available and # if one wasn't chosen via the "--tag" command line option. # Only attempt this if the compiler in the base compile # command doesn't match the default compiler. # arg is usually of the form 'gcc ...' func_infer_tag () { $opt_debug if test -n "$available_tags" && test -z "$tagname"; then CC_quoted= for arg in $CC; do func_quote_for_eval "$arg" CC_quoted="$CC_quoted $func_quote_for_eval_result" done case $@ in # Blanks in the command may have been stripped by the calling shell, # but not from the CC environment variable when configure was run. " $CC "* | "$CC "* | " `$ECHO $CC` "* | "`$ECHO $CC` "* | " $CC_quoted"* | "$CC_quoted "* | " `$ECHO $CC_quoted` "* | "`$ECHO $CC_quoted` "*) ;; # Blanks at the start of $base_compile will cause this to fail # if we don't check for them as well. *) for z in $available_tags; do if $GREP "^# ### BEGIN LIBTOOL TAG CONFIG: $z$" < "$progpath" > /dev/null; then # Evaluate the configuration. eval "`${SED} -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$z'$/,/^# ### END LIBTOOL TAG CONFIG: '$z'$/p' < $progpath`" CC_quoted= for arg in $CC; do # Double-quote args containing other shell metacharacters. func_quote_for_eval "$arg" CC_quoted="$CC_quoted $func_quote_for_eval_result" done case "$@ " in " $CC "* | "$CC "* | " `$ECHO $CC` "* | "`$ECHO $CC` "* | " $CC_quoted"* | "$CC_quoted "* | " `$ECHO $CC_quoted` "* | "`$ECHO $CC_quoted` "*) # The compiler in the base compile command matches # the one in the tagged configuration. # Assume this is the tagged configuration we want. tagname=$z break ;; esac fi done # If $tagname still isn't set, then no tagged configuration # was found and let the user know that the "--tag" command # line option must be used. if test -z "$tagname"; then func_echo "unable to infer tagged configuration" func_fatal_error "specify a tag with \`--tag'" # else # func_verbose "using $tagname tagged configuration" fi ;; esac fi } # func_write_libtool_object output_name pic_name nonpic_name # Create a libtool object file (analogous to a ".la" file), # but don't create it if we're doing a dry run. func_write_libtool_object () { write_libobj=${1} if test "$build_libtool_libs" = yes; then write_lobj=\'${2}\' else write_lobj=none fi if test "$build_old_libs" = yes; then write_oldobj=\'${3}\' else write_oldobj=none fi $opt_dry_run || { cat >${write_libobj}T <?"'"'"' &()|`$[]' \ && func_warning "libobj name \`$libobj' may not contain shell special characters." func_dirname_and_basename "$obj" "/" "" objname="$func_basename_result" xdir="$func_dirname_result" lobj=${xdir}$objdir/$objname test -z "$base_compile" && \ func_fatal_help "you must specify a compilation command" # Delete any leftover library objects. if test "$build_old_libs" = yes; then removelist="$obj $lobj $libobj ${libobj}T" else removelist="$lobj $libobj ${libobj}T" fi # On Cygwin there's no "real" PIC flag so we must build both object types case $host_os in cygwin* | mingw* | pw32* | os2* | cegcc*) pic_mode=default ;; esac if test "$pic_mode" = no && test "$deplibs_check_method" != pass_all; then # non-PIC code in shared libraries is not supported pic_mode=default fi # Calculate the filename of the output object if compiler does # not support -o with -c if test "$compiler_c_o" = no; then output_obj=`$ECHO "X$srcfile" | $Xsed -e 's%^.*/%%' -e 's%\.[^.]*$%%'`.${objext} lockfile="$output_obj.lock" else output_obj= need_locks=no lockfile= fi # Lock this critical section if it is needed # We use this script file to make the link, it avoids creating a new file if test "$need_locks" = yes; then until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do func_echo "Waiting for $lockfile to be removed" sleep 2 done elif test "$need_locks" = warn; then if test -f "$lockfile"; then $ECHO "\ *** ERROR, $lockfile exists and contains: `cat $lockfile 2>/dev/null` This indicates that another process is trying to use the same temporary object file, and libtool could not work around it because your compiler does not support \`-c' and \`-o' together. If you repeat this compilation, it may succeed, by chance, but you had better avoid parallel builds (make -j) in this platform, or get a better compiler." $opt_dry_run || $RM $removelist exit $EXIT_FAILURE fi removelist="$removelist $output_obj" $ECHO "$srcfile" > "$lockfile" fi $opt_dry_run || $RM $removelist removelist="$removelist $lockfile" trap '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' 1 2 15 if test -n "$fix_srcfile_path"; then eval srcfile=\"$fix_srcfile_path\" fi func_quote_for_eval "$srcfile" qsrcfile=$func_quote_for_eval_result # Only build a PIC object if we are building libtool libraries. if test "$build_libtool_libs" = yes; then # Without this assignment, base_compile gets emptied. fbsd_hideous_sh_bug=$base_compile if test "$pic_mode" != no; then command="$base_compile $qsrcfile $pic_flag" else # Don't build PIC code command="$base_compile $qsrcfile" fi func_mkdir_p "$xdir$objdir" if test -z "$output_obj"; then # Place PIC objects in $objdir command="$command -o $lobj" fi func_show_eval_locale "$command" \ 'test -n "$output_obj" && $RM $removelist; exit $EXIT_FAILURE' if test "$need_locks" = warn && test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then $ECHO "\ *** ERROR, $lockfile contains: `cat $lockfile 2>/dev/null` but it should contain: $srcfile This indicates that another process is trying to use the same temporary object file, and libtool could not work around it because your compiler does not support \`-c' and \`-o' together. If you repeat this compilation, it may succeed, by chance, but you had better avoid parallel builds (make -j) in this platform, or get a better compiler." $opt_dry_run || $RM $removelist exit $EXIT_FAILURE fi # Just move the object if needed, then go on to compile the next one if test -n "$output_obj" && test "X$output_obj" != "X$lobj"; then func_show_eval '$MV "$output_obj" "$lobj"' \ 'error=$?; $opt_dry_run || $RM $removelist; exit $error' fi # Allow error messages only from the first compilation. if test "$suppress_opt" = yes; then suppress_output=' >/dev/null 2>&1' fi fi # Only build a position-dependent object if we build old libraries. if test "$build_old_libs" = yes; then if test "$pic_mode" != yes; then # Don't build PIC code command="$base_compile $qsrcfile$pie_flag" else command="$base_compile $qsrcfile $pic_flag" fi if test "$compiler_c_o" = yes; then command="$command -o $obj" fi # Suppress compiler output if we already did a PIC compilation. command="$command$suppress_output" func_show_eval_locale "$command" \ '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' if test "$need_locks" = warn && test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then $ECHO "\ *** ERROR, $lockfile contains: `cat $lockfile 2>/dev/null` but it should contain: $srcfile This indicates that another process is trying to use the same temporary object file, and libtool could not work around it because your compiler does not support \`-c' and \`-o' together. If you repeat this compilation, it may succeed, by chance, but you had better avoid parallel builds (make -j) in this platform, or get a better compiler." $opt_dry_run || $RM $removelist exit $EXIT_FAILURE fi # Just move the object if needed if test -n "$output_obj" && test "X$output_obj" != "X$obj"; then func_show_eval '$MV "$output_obj" "$obj"' \ 'error=$?; $opt_dry_run || $RM $removelist; exit $error' fi fi $opt_dry_run || { func_write_libtool_object "$libobj" "$objdir/$objname" "$objname" # Unlock the critical section if it was locked if test "$need_locks" != no; then removelist=$lockfile $RM "$lockfile" fi } exit $EXIT_SUCCESS } $opt_help || { test "$mode" = compile && func_mode_compile ${1+"$@"} } func_mode_help () { # We need to display help for each of the modes. case $mode in "") # Generic help is extracted from the usage comments # at the start of this file. func_help ;; clean) $ECHO \ "Usage: $progname [OPTION]... --mode=clean RM [RM-OPTION]... FILE... Remove files from the build directory. RM is the name of the program to use to delete files associated with each FILE (typically \`/bin/rm'). RM-OPTIONS are options (such as \`-f') to be passed to RM. If FILE is a libtool library, object or program, all the files associated with it are deleted. Otherwise, only FILE itself is deleted using RM." ;; compile) $ECHO \ "Usage: $progname [OPTION]... --mode=compile COMPILE-COMMAND... SOURCEFILE Compile a source file into a libtool library object. This mode accepts the following additional options: -o OUTPUT-FILE set the output file name to OUTPUT-FILE -no-suppress do not suppress compiler output for multiple passes -prefer-pic try to building PIC objects only -prefer-non-pic try to building non-PIC objects only -shared do not build a \`.o' file suitable for static linking -static only build a \`.o' file suitable for static linking COMPILE-COMMAND is a command to be used in creating a \`standard' object file from the given SOURCEFILE. The output file name is determined by removing the directory component from SOURCEFILE, then substituting the C source code suffix \`.c' with the library object suffix, \`.lo'." ;; execute) $ECHO \ "Usage: $progname [OPTION]... --mode=execute COMMAND [ARGS]... Automatically set library path, then run a program. This mode accepts the following additional options: -dlopen FILE add the directory containing FILE to the library path This mode sets the library path environment variable according to \`-dlopen' flags. If any of the ARGS are libtool executable wrappers, then they are translated into their corresponding uninstalled binary, and any of their required library directories are added to the library path. Then, COMMAND is executed, with ARGS as arguments." ;; finish) $ECHO \ "Usage: $progname [OPTION]... --mode=finish [LIBDIR]... Complete the installation of libtool libraries. Each LIBDIR is a directory that contains libtool libraries. The commands that this mode executes may require superuser privileges. Use the \`--dry-run' option if you just want to see what would be executed." ;; install) $ECHO \ "Usage: $progname [OPTION]... --mode=install INSTALL-COMMAND... Install executables or libraries. INSTALL-COMMAND is the installation command. The first component should be either the \`install' or \`cp' program. The following components of INSTALL-COMMAND are treated specially: -inst-prefix PREFIX-DIR Use PREFIX-DIR as a staging area for installation The rest of the components are interpreted as arguments to that command (only BSD-compatible install options are recognized)." ;; link) $ECHO \ "Usage: $progname [OPTION]... --mode=link LINK-COMMAND... Link object files or libraries together to form another library, or to create an executable program. LINK-COMMAND is a command using the C compiler that you would use to create a program from several object files. The following components of LINK-COMMAND are treated specially: -all-static do not do any dynamic linking at all -avoid-version do not add a version suffix if possible -dlopen FILE \`-dlpreopen' FILE if it cannot be dlopened at runtime -dlpreopen FILE link in FILE and add its symbols to lt_preloaded_symbols -export-dynamic allow symbols from OUTPUT-FILE to be resolved with dlsym(3) -export-symbols SYMFILE try to export only the symbols listed in SYMFILE -export-symbols-regex REGEX try to export only the symbols matching REGEX -LLIBDIR search LIBDIR for required installed libraries -lNAME OUTPUT-FILE requires the installed library libNAME -module build a library that can dlopened -no-fast-install disable the fast-install mode -no-install link a not-installable executable -no-undefined declare that a library does not refer to external symbols -o OUTPUT-FILE create OUTPUT-FILE from the specified objects -objectlist FILE Use a list of object files found in FILE to specify objects -precious-files-regex REGEX don't remove output files matching REGEX -release RELEASE specify package release information -rpath LIBDIR the created library will eventually be installed in LIBDIR -R[ ]LIBDIR add LIBDIR to the runtime path of programs and libraries -shared only do dynamic linking of libtool libraries -shrext SUFFIX override the standard shared library file extension -static do not do any dynamic linking of uninstalled libtool libraries -static-libtool-libs do not do any dynamic linking of libtool libraries -version-info CURRENT[:REVISION[:AGE]] specify library version info [each variable defaults to 0] -weak LIBNAME declare that the target provides the LIBNAME interface All other options (arguments beginning with \`-') are ignored. Every other argument is treated as a filename. Files ending in \`.la' are treated as uninstalled libtool libraries, other files are standard or library object files. If the OUTPUT-FILE ends in \`.la', then a libtool library is created, only library objects (\`.lo' files) may be specified, and \`-rpath' is required, except when creating a convenience library. If OUTPUT-FILE ends in \`.a' or \`.lib', then a standard library is created using \`ar' and \`ranlib', or on Windows using \`lib'. If OUTPUT-FILE ends in \`.lo' or \`.${objext}', then a reloadable object file is created, otherwise an executable program is created." ;; uninstall) $ECHO \ "Usage: $progname [OPTION]... --mode=uninstall RM [RM-OPTION]... FILE... Remove libraries from an installation directory. RM is the name of the program to use to delete files associated with each FILE (typically \`/bin/rm'). RM-OPTIONS are options (such as \`-f') to be passed to RM. If FILE is a libtool library, all the files associated with it are deleted. Otherwise, only FILE itself is deleted using RM." ;; *) func_fatal_help "invalid operation mode \`$mode'" ;; esac $ECHO $ECHO "Try \`$progname --help' for more information about other modes." exit $? } # Now that we've collected a possible --mode arg, show help if necessary $opt_help && func_mode_help # func_mode_execute arg... func_mode_execute () { $opt_debug # The first argument is the command name. cmd="$nonopt" test -z "$cmd" && \ func_fatal_help "you must specify a COMMAND" # Handle -dlopen flags immediately. for file in $execute_dlfiles; do test -f "$file" \ || func_fatal_help "\`$file' is not a file" dir= case $file in *.la) # Check to see that this really is a libtool archive. func_lalib_unsafe_p "$file" \ || func_fatal_help "\`$lib' is not a valid libtool archive" # Read the libtool library. dlname= library_names= func_source "$file" # Skip this library if it cannot be dlopened. if test -z "$dlname"; then # Warn if it was a shared library. test -n "$library_names" && \ func_warning "\`$file' was not linked with \`-export-dynamic'" continue fi func_dirname "$file" "" "." dir="$func_dirname_result" if test -f "$dir/$objdir/$dlname"; then dir="$dir/$objdir" else if test ! -f "$dir/$dlname"; then func_fatal_error "cannot find \`$dlname' in \`$dir' or \`$dir/$objdir'" fi fi ;; *.lo) # Just add the directory containing the .lo file. func_dirname "$file" "" "." dir="$func_dirname_result" ;; *) func_warning "\`-dlopen' is ignored for non-libtool libraries and objects" continue ;; esac # Get the absolute pathname. absdir=`cd "$dir" && pwd` test -n "$absdir" && dir="$absdir" # Now add the directory to shlibpath_var. if eval "test -z \"\$$shlibpath_var\""; then eval "$shlibpath_var=\"\$dir\"" else eval "$shlibpath_var=\"\$dir:\$$shlibpath_var\"" fi done # This variable tells wrapper scripts just to set shlibpath_var # rather than running their programs. libtool_execute_magic="$magic" # Check if any of the arguments is a wrapper script. args= for file do case $file in -*) ;; *) # Do a test to see if this is really a libtool program. if func_ltwrapper_script_p "$file"; then func_source "$file" # Transform arg to wrapped name. file="$progdir/$program" elif func_ltwrapper_executable_p "$file"; then func_ltwrapper_scriptname "$file" func_source "$func_ltwrapper_scriptname_result" # Transform arg to wrapped name. file="$progdir/$program" fi ;; esac # Quote arguments (to preserve shell metacharacters). func_quote_for_eval "$file" args="$args $func_quote_for_eval_result" done if test "X$opt_dry_run" = Xfalse; then if test -n "$shlibpath_var"; then # Export the shlibpath_var. eval "export $shlibpath_var" fi # Restore saved environment variables for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES do eval "if test \"\${save_$lt_var+set}\" = set; then $lt_var=\$save_$lt_var; export $lt_var else $lt_unset $lt_var fi" done # Now prepare to actually exec the command. exec_cmd="\$cmd$args" else # Display what would be done. if test -n "$shlibpath_var"; then eval "\$ECHO \"\$shlibpath_var=\$$shlibpath_var\"" $ECHO "export $shlibpath_var" fi $ECHO "$cmd$args" exit $EXIT_SUCCESS fi } test "$mode" = execute && func_mode_execute ${1+"$@"} # func_mode_finish arg... func_mode_finish () { $opt_debug libdirs="$nonopt" admincmds= if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then for dir do libdirs="$libdirs $dir" done for libdir in $libdirs; do if test -n "$finish_cmds"; then # Do each command in the finish commands. func_execute_cmds "$finish_cmds" 'admincmds="$admincmds '"$cmd"'"' fi if test -n "$finish_eval"; then # Do the single finish_eval. eval cmds=\"$finish_eval\" $opt_dry_run || eval "$cmds" || admincmds="$admincmds $cmds" fi done fi # Exit here if they wanted silent mode. $opt_silent && exit $EXIT_SUCCESS $ECHO "X----------------------------------------------------------------------" | $Xsed $ECHO "Libraries have been installed in:" for libdir in $libdirs; do $ECHO " $libdir" done $ECHO $ECHO "If you ever happen to want to link against installed libraries" $ECHO "in a given directory, LIBDIR, you must either use libtool, and" $ECHO "specify the full pathname of the library, or use the \`-LLIBDIR'" $ECHO "flag during linking and do at least one of the following:" if test -n "$shlibpath_var"; then $ECHO " - add LIBDIR to the \`$shlibpath_var' environment variable" $ECHO " during execution" fi if test -n "$runpath_var"; then $ECHO " - add LIBDIR to the \`$runpath_var' environment variable" $ECHO " during linking" fi if test -n "$hardcode_libdir_flag_spec"; then libdir=LIBDIR eval flag=\"$hardcode_libdir_flag_spec\" $ECHO " - use the \`$flag' linker flag" fi if test -n "$admincmds"; then $ECHO " - have your system administrator run these commands:$admincmds" fi if test -f /etc/ld.so.conf; then $ECHO " - have your system administrator add LIBDIR to \`/etc/ld.so.conf'" fi $ECHO $ECHO "See any operating system documentation about shared libraries for" case $host in solaris2.[6789]|solaris2.1[0-9]) $ECHO "more information, such as the ld(1), crle(1) and ld.so(8) manual" $ECHO "pages." ;; *) $ECHO "more information, such as the ld(1) and ld.so(8) manual pages." ;; esac $ECHO "X----------------------------------------------------------------------" | $Xsed exit $EXIT_SUCCESS } test "$mode" = finish && func_mode_finish ${1+"$@"} # func_mode_install arg... func_mode_install () { $opt_debug # There may be an optional sh(1) argument at the beginning of # install_prog (especially on Windows NT). if test "$nonopt" = "$SHELL" || test "$nonopt" = /bin/sh || # Allow the use of GNU shtool's install command. $ECHO "X$nonopt" | $GREP shtool >/dev/null; then # Aesthetically quote it. func_quote_for_eval "$nonopt" install_prog="$func_quote_for_eval_result " arg=$1 shift else install_prog= arg=$nonopt fi # The real first argument should be the name of the installation program. # Aesthetically quote it. func_quote_for_eval "$arg" install_prog="$install_prog$func_quote_for_eval_result" # We need to accept at least all the BSD install flags. dest= files= opts= prev= install_type= isdir=no stripme= for arg do if test -n "$dest"; then files="$files $dest" dest=$arg continue fi case $arg in -d) isdir=yes ;; -f) case " $install_prog " in *[\\\ /]cp\ *) ;; *) prev=$arg ;; esac ;; -g | -m | -o) prev=$arg ;; -s) stripme=" -s" continue ;; -*) ;; *) # If the previous option needed an argument, then skip it. if test -n "$prev"; then prev= else dest=$arg continue fi ;; esac # Aesthetically quote the argument. func_quote_for_eval "$arg" install_prog="$install_prog $func_quote_for_eval_result" done test -z "$install_prog" && \ func_fatal_help "you must specify an install program" test -n "$prev" && \ func_fatal_help "the \`$prev' option requires an argument" if test -z "$files"; then if test -z "$dest"; then func_fatal_help "no file or destination specified" else func_fatal_help "you must specify a destination" fi fi # Strip any trailing slash from the destination. func_stripname '' '/' "$dest" dest=$func_stripname_result # Check to see that the destination is a directory. test -d "$dest" && isdir=yes if test "$isdir" = yes; then destdir="$dest" destname= else func_dirname_and_basename "$dest" "" "." destdir="$func_dirname_result" destname="$func_basename_result" # Not a directory, so check to see that there is only one file specified. set dummy $files; shift test "$#" -gt 1 && \ func_fatal_help "\`$dest' is not a directory" fi case $destdir in [\\/]* | [A-Za-z]:[\\/]*) ;; *) for file in $files; do case $file in *.lo) ;; *) func_fatal_help "\`$destdir' must be an absolute directory name" ;; esac done ;; esac # This variable tells wrapper scripts just to set variables rather # than running their programs. libtool_install_magic="$magic" staticlibs= future_libdirs= current_libdirs= for file in $files; do # Do each installation. case $file in *.$libext) # Do the static libraries later. staticlibs="$staticlibs $file" ;; *.la) # Check to see that this really is a libtool archive. func_lalib_unsafe_p "$file" \ || func_fatal_help "\`$file' is not a valid libtool archive" library_names= old_library= relink_command= func_source "$file" # Add the libdir to current_libdirs if it is the destination. if test "X$destdir" = "X$libdir"; then case "$current_libdirs " in *" $libdir "*) ;; *) current_libdirs="$current_libdirs $libdir" ;; esac else # Note the libdir as a future libdir. case "$future_libdirs " in *" $libdir "*) ;; *) future_libdirs="$future_libdirs $libdir" ;; esac fi func_dirname "$file" "/" "" dir="$func_dirname_result" dir="$dir$objdir" if test -n "$relink_command"; then # Determine the prefix the user has applied to our future dir. inst_prefix_dir=`$ECHO "X$destdir" | $Xsed -e "s%$libdir\$%%"` # Don't allow the user to place us outside of our expected # location b/c this prevents finding dependent libraries that # are installed to the same prefix. # At present, this check doesn't affect windows .dll's that # are installed into $libdir/../bin (currently, that works fine) # but it's something to keep an eye on. test "$inst_prefix_dir" = "$destdir" && \ func_fatal_error "error: cannot install \`$file' to a directory not ending in $libdir" if test -n "$inst_prefix_dir"; then # Stick the inst_prefix_dir data into the link command. relink_command=`$ECHO "X$relink_command" | $Xsed -e "s%@inst_prefix_dir@%-inst-prefix-dir $inst_prefix_dir%"` else relink_command=`$ECHO "X$relink_command" | $Xsed -e "s%@inst_prefix_dir@%%"` fi func_warning "relinking \`$file'" func_show_eval "$relink_command" \ 'func_fatal_error "error: relink \`$file'\'' with the above command before installing it"' fi # See the names of the shared library. set dummy $library_names; shift if test -n "$1"; then realname="$1" shift srcname="$realname" test -n "$relink_command" && srcname="$realname"T # Install the shared library and build the symlinks. func_show_eval "$install_prog $dir/$srcname $destdir/$realname" \ 'exit $?' tstripme="$stripme" case $host_os in cygwin* | mingw* | pw32* | cegcc*) case $realname in *.dll.a) tstripme="" ;; esac ;; esac if test -n "$tstripme" && test -n "$striplib"; then func_show_eval "$striplib $destdir/$realname" 'exit $?' fi if test "$#" -gt 0; then # Delete the old symlinks, and create new ones. # Try `ln -sf' first, because the `ln' binary might depend on # the symlink we replace! Solaris /bin/ln does not understand -f, # so we also need to try rm && ln -s. for linkname do test "$linkname" != "$realname" \ && func_show_eval "(cd $destdir && { $LN_S -f $realname $linkname || { $RM $linkname && $LN_S $realname $linkname; }; })" done fi # Do each command in the postinstall commands. lib="$destdir/$realname" func_execute_cmds "$postinstall_cmds" 'exit $?' fi # Install the pseudo-library for information purposes. func_basename "$file" name="$func_basename_result" instname="$dir/$name"i func_show_eval "$install_prog $instname $destdir/$name" 'exit $?' # Maybe install the static library, too. test -n "$old_library" && staticlibs="$staticlibs $dir/$old_library" ;; *.lo) # Install (i.e. copy) a libtool object. # Figure out destination file name, if it wasn't already specified. if test -n "$destname"; then destfile="$destdir/$destname" else func_basename "$file" destfile="$func_basename_result" destfile="$destdir/$destfile" fi # Deduce the name of the destination old-style object file. case $destfile in *.lo) func_lo2o "$destfile" staticdest=$func_lo2o_result ;; *.$objext) staticdest="$destfile" destfile= ;; *) func_fatal_help "cannot copy a libtool object to \`$destfile'" ;; esac # Install the libtool object if requested. test -n "$destfile" && \ func_show_eval "$install_prog $file $destfile" 'exit $?' # Install the old object if enabled. if test "$build_old_libs" = yes; then # Deduce the name of the old-style object file. func_lo2o "$file" staticobj=$func_lo2o_result func_show_eval "$install_prog \$staticobj \$staticdest" 'exit $?' fi exit $EXIT_SUCCESS ;; *) # Figure out destination file name, if it wasn't already specified. if test -n "$destname"; then destfile="$destdir/$destname" else func_basename "$file" destfile="$func_basename_result" destfile="$destdir/$destfile" fi # If the file is missing, and there is a .exe on the end, strip it # because it is most likely a libtool script we actually want to # install stripped_ext="" case $file in *.exe) if test ! -f "$file"; then func_stripname '' '.exe' "$file" file=$func_stripname_result stripped_ext=".exe" fi ;; esac # Do a test to see if this is really a libtool program. case $host in *cygwin* | *mingw*) if func_ltwrapper_executable_p "$file"; then func_ltwrapper_scriptname "$file" wrapper=$func_ltwrapper_scriptname_result else func_stripname '' '.exe' "$file" wrapper=$func_stripname_result fi ;; *) wrapper=$file ;; esac if func_ltwrapper_script_p "$wrapper"; then notinst_deplibs= relink_command= func_source "$wrapper" # Check the variables that should have been set. test -z "$generated_by_libtool_version" && \ func_fatal_error "invalid libtool wrapper script \`$wrapper'" finalize=yes for lib in $notinst_deplibs; do # Check to see that each library is installed. libdir= if test -f "$lib"; then func_source "$lib" fi libfile="$libdir/"`$ECHO "X$lib" | $Xsed -e 's%^.*/%%g'` ### testsuite: skip nested quoting test if test -n "$libdir" && test ! -f "$libfile"; then func_warning "\`$lib' has not been installed in \`$libdir'" finalize=no fi done relink_command= func_source "$wrapper" outputname= if test "$fast_install" = no && test -n "$relink_command"; then $opt_dry_run || { if test "$finalize" = yes; then tmpdir=`func_mktempdir` func_basename "$file$stripped_ext" file="$func_basename_result" outputname="$tmpdir/$file" # Replace the output file specification. relink_command=`$ECHO "X$relink_command" | $Xsed -e 's%@OUTPUT@%'"$outputname"'%g'` $opt_silent || { func_quote_for_expand "$relink_command" eval "func_echo $func_quote_for_expand_result" } if eval "$relink_command"; then : else func_error "error: relink \`$file' with the above command before installing it" $opt_dry_run || ${RM}r "$tmpdir" continue fi file="$outputname" else func_warning "cannot relink \`$file'" fi } else # Install the binary that we compiled earlier. file=`$ECHO "X$file$stripped_ext" | $Xsed -e "s%\([^/]*\)$%$objdir/\1%"` fi fi # remove .exe since cygwin /usr/bin/install will append another # one anyway case $install_prog,$host in */usr/bin/install*,*cygwin*) case $file:$destfile in *.exe:*.exe) # this is ok ;; *.exe:*) destfile=$destfile.exe ;; *:*.exe) func_stripname '' '.exe' "$destfile" destfile=$func_stripname_result ;; esac ;; esac func_show_eval "$install_prog\$stripme \$file \$destfile" 'exit $?' $opt_dry_run || if test -n "$outputname"; then ${RM}r "$tmpdir" fi ;; esac done for file in $staticlibs; do func_basename "$file" name="$func_basename_result" # Set up the ranlib parameters. oldlib="$destdir/$name" func_show_eval "$install_prog \$file \$oldlib" 'exit $?' if test -n "$stripme" && test -n "$old_striplib"; then func_show_eval "$old_striplib $oldlib" 'exit $?' fi # Do each command in the postinstall commands. func_execute_cmds "$old_postinstall_cmds" 'exit $?' done test -n "$future_libdirs" && \ func_warning "remember to run \`$progname --finish$future_libdirs'" if test -n "$current_libdirs"; then # Maybe just do a dry run. $opt_dry_run && current_libdirs=" -n$current_libdirs" exec_cmd='$SHELL $progpath $preserve_args --finish$current_libdirs' else exit $EXIT_SUCCESS fi } test "$mode" = install && func_mode_install ${1+"$@"} # func_generate_dlsyms outputname originator pic_p # Extract symbols from dlprefiles and create ${outputname}S.o with # a dlpreopen symbol table. func_generate_dlsyms () { $opt_debug my_outputname="$1" my_originator="$2" my_pic_p="${3-no}" my_prefix=`$ECHO "$my_originator" | sed 's%[^a-zA-Z0-9]%_%g'` my_dlsyms= if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then if test -n "$NM" && test -n "$global_symbol_pipe"; then my_dlsyms="${my_outputname}S.c" else func_error "not configured to extract global symbols from dlpreopened files" fi fi if test -n "$my_dlsyms"; then case $my_dlsyms in "") ;; *.c) # Discover the nlist of each of the dlfiles. nlist="$output_objdir/${my_outputname}.nm" func_show_eval "$RM $nlist ${nlist}S ${nlist}T" # Parse the name list into a source file. func_verbose "creating $output_objdir/$my_dlsyms" $opt_dry_run || $ECHO > "$output_objdir/$my_dlsyms" "\ /* $my_dlsyms - symbol resolution table for \`$my_outputname' dlsym emulation. */ /* Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION */ #ifdef __cplusplus extern \"C\" { #endif /* External symbol declarations for the compiler. */\ " if test "$dlself" = yes; then func_verbose "generating symbol list for \`$output'" $opt_dry_run || echo ': @PROGRAM@ ' > "$nlist" # Add our own program objects to the symbol list. progfiles=`$ECHO "X$objs$old_deplibs" | $SP2NL | $Xsed -e "$lo2o" | $NL2SP` for progfile in $progfiles; do func_verbose "extracting global C symbols from \`$progfile'" $opt_dry_run || eval "$NM $progfile | $global_symbol_pipe >> '$nlist'" done if test -n "$exclude_expsyms"; then $opt_dry_run || { eval '$EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T' eval '$MV "$nlist"T "$nlist"' } fi if test -n "$export_symbols_regex"; then $opt_dry_run || { eval '$EGREP -e "$export_symbols_regex" "$nlist" > "$nlist"T' eval '$MV "$nlist"T "$nlist"' } fi # Prepare the list of exported symbols if test -z "$export_symbols"; then export_symbols="$output_objdir/$outputname.exp" $opt_dry_run || { $RM $export_symbols eval "${SED} -n -e '/^: @PROGRAM@ $/d' -e 's/^.* \(.*\)$/\1/p' "'< "$nlist" > "$export_symbols"' case $host in *cygwin* | *mingw* | *cegcc* ) eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' eval 'cat "$export_symbols" >> "$output_objdir/$outputname.def"' ;; esac } else $opt_dry_run || { eval "${SED} -e 's/\([].[*^$]\)/\\\\\1/g' -e 's/^/ /' -e 's/$/$/'"' < "$export_symbols" > "$output_objdir/$outputname.exp"' eval '$GREP -f "$output_objdir/$outputname.exp" < "$nlist" > "$nlist"T' eval '$MV "$nlist"T "$nlist"' case $host in *cygwin | *mingw* | *cegcc* ) eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' eval 'cat "$nlist" >> "$output_objdir/$outputname.def"' ;; esac } fi fi for dlprefile in $dlprefiles; do func_verbose "extracting global C symbols from \`$dlprefile'" func_basename "$dlprefile" name="$func_basename_result" $opt_dry_run || { eval '$ECHO ": $name " >> "$nlist"' eval "$NM $dlprefile 2>/dev/null | $global_symbol_pipe >> '$nlist'" } done $opt_dry_run || { # Make sure we have at least an empty file. test -f "$nlist" || : > "$nlist" if test -n "$exclude_expsyms"; then $EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T $MV "$nlist"T "$nlist" fi # Try sorting and uniquifying the output. if $GREP -v "^: " < "$nlist" | if sort -k 3 /dev/null 2>&1; then sort -k 3 else sort +2 fi | uniq > "$nlist"S; then : else $GREP -v "^: " < "$nlist" > "$nlist"S fi if test -f "$nlist"S; then eval "$global_symbol_to_cdecl"' < "$nlist"S >> "$output_objdir/$my_dlsyms"' else $ECHO '/* NONE */' >> "$output_objdir/$my_dlsyms" fi $ECHO >> "$output_objdir/$my_dlsyms" "\ /* The mapping between symbol names and symbols. */ typedef struct { const char *name; void *address; } lt_dlsymlist; " case $host in *cygwin* | *mingw* | *cegcc* ) $ECHO >> "$output_objdir/$my_dlsyms" "\ /* DATA imports from DLLs on WIN32 con't be const, because runtime relocations are performed -- see ld's documentation on pseudo-relocs. */" lt_dlsym_const= ;; *osf5*) echo >> "$output_objdir/$my_dlsyms" "\ /* This system does not cope well with relocations in const data */" lt_dlsym_const= ;; *) lt_dlsym_const=const ;; esac $ECHO >> "$output_objdir/$my_dlsyms" "\ extern $lt_dlsym_const lt_dlsymlist lt_${my_prefix}_LTX_preloaded_symbols[]; $lt_dlsym_const lt_dlsymlist lt_${my_prefix}_LTX_preloaded_symbols[] = {\ { \"$my_originator\", (void *) 0 }," case $need_lib_prefix in no) eval "$global_symbol_to_c_name_address" < "$nlist" >> "$output_objdir/$my_dlsyms" ;; *) eval "$global_symbol_to_c_name_address_lib_prefix" < "$nlist" >> "$output_objdir/$my_dlsyms" ;; esac $ECHO >> "$output_objdir/$my_dlsyms" "\ {0, (void *) 0} }; /* This works around a problem in FreeBSD linker */ #ifdef FREEBSD_WORKAROUND static const void *lt_preloaded_setup() { return lt_${my_prefix}_LTX_preloaded_symbols; } #endif #ifdef __cplusplus } #endif\ " } # !$opt_dry_run pic_flag_for_symtable= case "$compile_command " in *" -static "*) ;; *) case $host in # compiling the symbol table file with pic_flag works around # a FreeBSD bug that causes programs to crash when -lm is # linked before any other PIC object. But we must not use # pic_flag when linking with -static. The problem exists in # FreeBSD 2.2.6 and is fixed in FreeBSD 3.1. *-*-freebsd2*|*-*-freebsd3.0*|*-*-freebsdelf3.0*) pic_flag_for_symtable=" $pic_flag -DFREEBSD_WORKAROUND" ;; *-*-hpux*) pic_flag_for_symtable=" $pic_flag" ;; *) if test "X$my_pic_p" != Xno; then pic_flag_for_symtable=" $pic_flag" fi ;; esac ;; esac symtab_cflags= for arg in $LTCFLAGS; do case $arg in -pie | -fpie | -fPIE) ;; *) symtab_cflags="$symtab_cflags $arg" ;; esac done # Now compile the dynamic symbol file. func_show_eval '(cd $output_objdir && $LTCC$symtab_cflags -c$no_builtin_flag$pic_flag_for_symtable "$my_dlsyms")' 'exit $?' # Clean up the generated files. func_show_eval '$RM "$output_objdir/$my_dlsyms" "$nlist" "${nlist}S" "${nlist}T"' # Transform the symbol file into the correct name. symfileobj="$output_objdir/${my_outputname}S.$objext" case $host in *cygwin* | *mingw* | *cegcc* ) if test -f "$output_objdir/$my_outputname.def"; then compile_command=`$ECHO "X$compile_command" | $Xsed -e "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` finalize_command=`$ECHO "X$finalize_command" | $Xsed -e "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` else compile_command=`$ECHO "X$compile_command" | $Xsed -e "s%@SYMFILE@%$symfileobj%"` finalize_command=`$ECHO "X$finalize_command" | $Xsed -e "s%@SYMFILE@%$symfileobj%"` fi ;; *) compile_command=`$ECHO "X$compile_command" | $Xsed -e "s%@SYMFILE@%$symfileobj%"` finalize_command=`$ECHO "X$finalize_command" | $Xsed -e "s%@SYMFILE@%$symfileobj%"` ;; esac ;; *) func_fatal_error "unknown suffix for \`$my_dlsyms'" ;; esac else # We keep going just in case the user didn't refer to # lt_preloaded_symbols. The linker will fail if global_symbol_pipe # really was required. # Nullify the symbol file. compile_command=`$ECHO "X$compile_command" | $Xsed -e "s% @SYMFILE@%%"` finalize_command=`$ECHO "X$finalize_command" | $Xsed -e "s% @SYMFILE@%%"` fi } # func_win32_libid arg # return the library type of file 'arg' # # Need a lot of goo to handle *both* DLLs and import libs # Has to be a shell function in order to 'eat' the argument # that is supplied when $file_magic_command is called. func_win32_libid () { $opt_debug win32_libid_type="unknown" win32_fileres=`file -L $1 2>/dev/null` case $win32_fileres in *ar\ archive\ import\ library*) # definitely import win32_libid_type="x86 archive import" ;; *ar\ archive*) # could be an import, or static if eval $OBJDUMP -f $1 | $SED -e '10q' 2>/dev/null | $EGREP 'file format pe-i386(.*architecture: i386)?' >/dev/null ; then win32_nmres=`eval $NM -f posix -A $1 | $SED -n -e ' 1,100{ / I /{ s,.*,import, p q } }'` case $win32_nmres in import*) win32_libid_type="x86 archive import";; *) win32_libid_type="x86 archive static";; esac fi ;; *DLL*) win32_libid_type="x86 DLL" ;; *executable*) # but shell scripts are "executable" too... case $win32_fileres in *MS\ Windows\ PE\ Intel*) win32_libid_type="x86 DLL" ;; esac ;; esac $ECHO "$win32_libid_type" } # func_extract_an_archive dir oldlib func_extract_an_archive () { $opt_debug f_ex_an_ar_dir="$1"; shift f_ex_an_ar_oldlib="$1" func_show_eval "(cd \$f_ex_an_ar_dir && $AR x \"\$f_ex_an_ar_oldlib\")" 'exit $?' if ($AR t "$f_ex_an_ar_oldlib" | sort | sort -uc >/dev/null 2>&1); then : else func_fatal_error "object name conflicts in archive: $f_ex_an_ar_dir/$f_ex_an_ar_oldlib" fi } # func_extract_archives gentop oldlib ... func_extract_archives () { $opt_debug my_gentop="$1"; shift my_oldlibs=${1+"$@"} my_oldobjs="" my_xlib="" my_xabs="" my_xdir="" for my_xlib in $my_oldlibs; do # Extract the objects. case $my_xlib in [\\/]* | [A-Za-z]:[\\/]*) my_xabs="$my_xlib" ;; *) my_xabs=`pwd`"/$my_xlib" ;; esac func_basename "$my_xlib" my_xlib="$func_basename_result" my_xlib_u=$my_xlib while :; do case " $extracted_archives " in *" $my_xlib_u "*) func_arith $extracted_serial + 1 extracted_serial=$func_arith_result my_xlib_u=lt$extracted_serial-$my_xlib ;; *) break ;; esac done extracted_archives="$extracted_archives $my_xlib_u" my_xdir="$my_gentop/$my_xlib_u" func_mkdir_p "$my_xdir" case $host in *-darwin*) func_verbose "Extracting $my_xabs" # Do not bother doing anything if just a dry run $opt_dry_run || { darwin_orig_dir=`pwd` cd $my_xdir || exit $? darwin_archive=$my_xabs darwin_curdir=`pwd` darwin_base_archive=`basename "$darwin_archive"` darwin_arches=`$LIPO -info "$darwin_archive" 2>/dev/null | $GREP Architectures 2>/dev/null || true` if test -n "$darwin_arches"; then darwin_arches=`$ECHO "$darwin_arches" | $SED -e 's/.*are://'` darwin_arch= func_verbose "$darwin_base_archive has multiple architectures $darwin_arches" for darwin_arch in $darwin_arches ; do func_mkdir_p "unfat-$$/${darwin_base_archive}-${darwin_arch}" $LIPO -thin $darwin_arch -output "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" "${darwin_archive}" cd "unfat-$$/${darwin_base_archive}-${darwin_arch}" func_extract_an_archive "`pwd`" "${darwin_base_archive}" cd "$darwin_curdir" $RM "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" done # $darwin_arches ## Okay now we've a bunch of thin objects, gotta fatten them up :) darwin_filelist=`find unfat-$$ -type f -name \*.o -print -o -name \*.lo -print | $SED -e "$basename" | sort -u` darwin_file= darwin_files= for darwin_file in $darwin_filelist; do darwin_files=`find unfat-$$ -name $darwin_file -print | $NL2SP` $LIPO -create -output "$darwin_file" $darwin_files done # $darwin_filelist $RM -rf unfat-$$ cd "$darwin_orig_dir" else cd $darwin_orig_dir func_extract_an_archive "$my_xdir" "$my_xabs" fi # $darwin_arches } # !$opt_dry_run ;; *) func_extract_an_archive "$my_xdir" "$my_xabs" ;; esac my_oldobjs="$my_oldobjs "`find $my_xdir -name \*.$objext -print -o -name \*.lo -print | $NL2SP` done func_extract_archives_result="$my_oldobjs" } # func_emit_wrapper_part1 [arg=no] # # Emit the first part of a libtool wrapper script on stdout. # For more information, see the description associated with # func_emit_wrapper(), below. func_emit_wrapper_part1 () { func_emit_wrapper_part1_arg1=no if test -n "$1" ; then func_emit_wrapper_part1_arg1=$1 fi $ECHO "\ #! $SHELL # $output - temporary wrapper script for $objdir/$outputname # Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION # # The $output program cannot be directly executed until all the libtool # libraries that it depends on are installed. # # This wrapper script should never be moved out of the build directory. # If it is, it will not operate correctly. # Sed substitution that helps us do robust quoting. It backslashifies # metacharacters that are still active within double-quoted strings. Xsed='${SED} -e 1s/^X//' sed_quote_subst='$sed_quote_subst' # Be Bourne compatible if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then emulate sh NULLCMD=: # Zsh 3.x and 4.x performs word splitting on \${1+\"\$@\"}, which # is contrary to our usage. Disable this feature. alias -g '\${1+\"\$@\"}'='\"\$@\"' setopt NO_GLOB_SUBST else case \`(set -o) 2>/dev/null\` in *posix*) set -o posix;; esac fi BIN_SH=xpg4; export BIN_SH # for Tru64 DUALCASE=1; export DUALCASE # for MKS sh # The HP-UX ksh and POSIX shell print the target directory to stdout # if CDPATH is set. (unset CDPATH) >/dev/null 2>&1 && unset CDPATH relink_command=\"$relink_command\" # This environment variable determines our operation mode. if test \"\$libtool_install_magic\" = \"$magic\"; then # install mode needs the following variables: generated_by_libtool_version='$macro_version' notinst_deplibs='$notinst_deplibs' else # When we are sourced in execute mode, \$file and \$ECHO are already set. if test \"\$libtool_execute_magic\" != \"$magic\"; then ECHO=\"$qecho\" file=\"\$0\" # Make sure echo works. if test \"X\$1\" = X--no-reexec; then # Discard the --no-reexec flag, and continue. shift elif test \"X\`{ \$ECHO '\t'; } 2>/dev/null\`\" = 'X\t'; then # Yippee, \$ECHO works! : else # Restart under the correct shell, and then maybe \$ECHO will work. exec $SHELL \"\$0\" --no-reexec \${1+\"\$@\"} fi fi\ " $ECHO "\ # Find the directory that this script lives in. thisdir=\`\$ECHO \"X\$file\" | \$Xsed -e 's%/[^/]*$%%'\` test \"x\$thisdir\" = \"x\$file\" && thisdir=. # Follow symbolic links until we get to the real thisdir. file=\`ls -ld \"\$file\" | ${SED} -n 's/.*-> //p'\` while test -n \"\$file\"; do destdir=\`\$ECHO \"X\$file\" | \$Xsed -e 's%/[^/]*\$%%'\` # If there was a directory component, then change thisdir. if test \"x\$destdir\" != \"x\$file\"; then case \"\$destdir\" in [\\\\/]* | [A-Za-z]:[\\\\/]*) thisdir=\"\$destdir\" ;; *) thisdir=\"\$thisdir/\$destdir\" ;; esac fi file=\`\$ECHO \"X\$file\" | \$Xsed -e 's%^.*/%%'\` file=\`ls -ld \"\$thisdir/\$file\" | ${SED} -n 's/.*-> //p'\` done " } # end: func_emit_wrapper_part1 # func_emit_wrapper_part2 [arg=no] # # Emit the second part of a libtool wrapper script on stdout. # For more information, see the description associated with # func_emit_wrapper(), below. func_emit_wrapper_part2 () { func_emit_wrapper_part2_arg1=no if test -n "$1" ; then func_emit_wrapper_part2_arg1=$1 fi $ECHO "\ # Usually 'no', except on cygwin/mingw when embedded into # the cwrapper. WRAPPER_SCRIPT_BELONGS_IN_OBJDIR=$func_emit_wrapper_part2_arg1 if test \"\$WRAPPER_SCRIPT_BELONGS_IN_OBJDIR\" = \"yes\"; then # special case for '.' if test \"\$thisdir\" = \".\"; then thisdir=\`pwd\` fi # remove .libs from thisdir case \"\$thisdir\" in *[\\\\/]$objdir ) thisdir=\`\$ECHO \"X\$thisdir\" | \$Xsed -e 's%[\\\\/][^\\\\/]*$%%'\` ;; $objdir ) thisdir=. ;; esac fi # Try to get the absolute directory name. absdir=\`cd \"\$thisdir\" && pwd\` test -n \"\$absdir\" && thisdir=\"\$absdir\" " if test "$fast_install" = yes; then $ECHO "\ program=lt-'$outputname'$exeext progdir=\"\$thisdir/$objdir\" if test ! -f \"\$progdir/\$program\" || { file=\`ls -1dt \"\$progdir/\$program\" \"\$progdir/../\$program\" 2>/dev/null | ${SED} 1q\`; \\ test \"X\$file\" != \"X\$progdir/\$program\"; }; then file=\"\$\$-\$program\" if test ! -d \"\$progdir\"; then $MKDIR \"\$progdir\" else $RM \"\$progdir/\$file\" fi" $ECHO "\ # relink executable if necessary if test -n \"\$relink_command\"; then if relink_command_output=\`eval \$relink_command 2>&1\`; then : else $ECHO \"\$relink_command_output\" >&2 $RM \"\$progdir/\$file\" exit 1 fi fi $MV \"\$progdir/\$file\" \"\$progdir/\$program\" 2>/dev/null || { $RM \"\$progdir/\$program\"; $MV \"\$progdir/\$file\" \"\$progdir/\$program\"; } $RM \"\$progdir/\$file\" fi" else $ECHO "\ program='$outputname' progdir=\"\$thisdir/$objdir\" " fi $ECHO "\ if test -f \"\$progdir/\$program\"; then" # Export our shlibpath_var if we have one. if test "$shlibpath_overrides_runpath" = yes && test -n "$shlibpath_var" && test -n "$temp_rpath"; then $ECHO "\ # Add our own library path to $shlibpath_var $shlibpath_var=\"$temp_rpath\$$shlibpath_var\" # Some systems cannot cope with colon-terminated $shlibpath_var # The second colon is a workaround for a bug in BeOS R4 sed $shlibpath_var=\`\$ECHO \"X\$$shlibpath_var\" | \$Xsed -e 's/::*\$//'\` export $shlibpath_var " fi # fixup the dll searchpath if we need to. if test -n "$dllsearchpath"; then $ECHO "\ # Add the dll search path components to the executable PATH PATH=$dllsearchpath:\$PATH " fi $ECHO "\ if test \"\$libtool_execute_magic\" != \"$magic\"; then # Run the actual program with our arguments. " case $host in # Backslashes separate directories on plain windows *-*-mingw | *-*-os2* | *-cegcc*) $ECHO "\ exec \"\$progdir\\\\\$program\" \${1+\"\$@\"} " ;; *) $ECHO "\ exec \"\$progdir/\$program\" \${1+\"\$@\"} " ;; esac $ECHO "\ \$ECHO \"\$0: cannot exec \$program \$*\" 1>&2 exit 1 fi else # The program doesn't exist. \$ECHO \"\$0: error: \\\`\$progdir/\$program' does not exist\" 1>&2 \$ECHO \"This script is just a wrapper for \$program.\" 1>&2 $ECHO \"See the $PACKAGE documentation for more information.\" 1>&2 exit 1 fi fi\ " } # end: func_emit_wrapper_part2 # func_emit_wrapper [arg=no] # # Emit a libtool wrapper script on stdout. # Don't directly open a file because we may want to # incorporate the script contents within a cygwin/mingw # wrapper executable. Must ONLY be called from within # func_mode_link because it depends on a number of variables # set therein. # # ARG is the value that the WRAPPER_SCRIPT_BELONGS_IN_OBJDIR # variable will take. If 'yes', then the emitted script # will assume that the directory in which it is stored is # the $objdir directory. This is a cygwin/mingw-specific # behavior. func_emit_wrapper () { func_emit_wrapper_arg1=no if test -n "$1" ; then func_emit_wrapper_arg1=$1 fi # split this up so that func_emit_cwrapperexe_src # can call each part independently. func_emit_wrapper_part1 "${func_emit_wrapper_arg1}" func_emit_wrapper_part2 "${func_emit_wrapper_arg1}" } # func_to_host_path arg # # Convert paths to host format when used with build tools. # Intended for use with "native" mingw (where libtool itself # is running under the msys shell), or in the following cross- # build environments: # $build $host # mingw (msys) mingw [e.g. native] # cygwin mingw # *nix + wine mingw # where wine is equipped with the `winepath' executable. # In the native mingw case, the (msys) shell automatically # converts paths for any non-msys applications it launches, # but that facility isn't available from inside the cwrapper. # Similar accommodations are necessary for $host mingw and # $build cygwin. Calling this function does no harm for other # $host/$build combinations not listed above. # # ARG is the path (on $build) that should be converted to # the proper representation for $host. The result is stored # in $func_to_host_path_result. func_to_host_path () { func_to_host_path_result="$1" if test -n "$1" ; then case $host in *mingw* ) lt_sed_naive_backslashify='s|\\\\*|\\|g;s|/|\\|g;s|\\|\\\\|g' case $build in *mingw* ) # actually, msys # awkward: cmd appends spaces to result lt_sed_strip_trailing_spaces="s/[ ]*\$//" func_to_host_path_tmp1=`( cmd //c echo "$1" |\ $SED -e "$lt_sed_strip_trailing_spaces" ) 2>/dev/null || echo ""` func_to_host_path_result=`echo "$func_to_host_path_tmp1" |\ $SED -e "$lt_sed_naive_backslashify"` ;; *cygwin* ) func_to_host_path_tmp1=`cygpath -w "$1"` func_to_host_path_result=`echo "$func_to_host_path_tmp1" |\ $SED -e "$lt_sed_naive_backslashify"` ;; * ) # Unfortunately, winepath does not exit with a non-zero # error code, so we are forced to check the contents of # stdout. On the other hand, if the command is not # found, the shell will set an exit code of 127 and print # *an error message* to stdout. So we must check for both # error code of zero AND non-empty stdout, which explains # the odd construction: func_to_host_path_tmp1=`winepath -w "$1" 2>/dev/null` if test "$?" -eq 0 && test -n "${func_to_host_path_tmp1}"; then func_to_host_path_result=`echo "$func_to_host_path_tmp1" |\ $SED -e "$lt_sed_naive_backslashify"` else # Allow warning below. func_to_host_path_result="" fi ;; esac if test -z "$func_to_host_path_result" ; then func_error "Could not determine host path corresponding to" func_error " '$1'" func_error "Continuing, but uninstalled executables may not work." # Fallback: func_to_host_path_result="$1" fi ;; esac fi } # end: func_to_host_path # func_to_host_pathlist arg # # Convert pathlists to host format when used with build tools. # See func_to_host_path(), above. This function supports the # following $build/$host combinations (but does no harm for # combinations not listed here): # $build $host # mingw (msys) mingw [e.g. native] # cygwin mingw # *nix + wine mingw # # Path separators are also converted from $build format to # $host format. If ARG begins or ends with a path separator # character, it is preserved (but converted to $host format) # on output. # # ARG is a pathlist (on $build) that should be converted to # the proper representation on $host. The result is stored # in $func_to_host_pathlist_result. func_to_host_pathlist () { func_to_host_pathlist_result="$1" if test -n "$1" ; then case $host in *mingw* ) lt_sed_naive_backslashify='s|\\\\*|\\|g;s|/|\\|g;s|\\|\\\\|g' # Remove leading and trailing path separator characters from # ARG. msys behavior is inconsistent here, cygpath turns them # into '.;' and ';.', and winepath ignores them completely. func_to_host_pathlist_tmp2="$1" # Once set for this call, this variable should not be # reassigned. It is used in tha fallback case. func_to_host_pathlist_tmp1=`echo "$func_to_host_pathlist_tmp2" |\ $SED -e 's|^:*||' -e 's|:*$||'` case $build in *mingw* ) # Actually, msys. # Awkward: cmd appends spaces to result. lt_sed_strip_trailing_spaces="s/[ ]*\$//" func_to_host_pathlist_tmp2=`( cmd //c echo "$func_to_host_pathlist_tmp1" |\ $SED -e "$lt_sed_strip_trailing_spaces" ) 2>/dev/null || echo ""` func_to_host_pathlist_result=`echo "$func_to_host_pathlist_tmp2" |\ $SED -e "$lt_sed_naive_backslashify"` ;; *cygwin* ) func_to_host_pathlist_tmp2=`cygpath -w -p "$func_to_host_pathlist_tmp1"` func_to_host_pathlist_result=`echo "$func_to_host_pathlist_tmp2" |\ $SED -e "$lt_sed_naive_backslashify"` ;; * ) # unfortunately, winepath doesn't convert pathlists func_to_host_pathlist_result="" func_to_host_pathlist_oldIFS=$IFS IFS=: for func_to_host_pathlist_f in $func_to_host_pathlist_tmp1 ; do IFS=$func_to_host_pathlist_oldIFS if test -n "$func_to_host_pathlist_f" ; then func_to_host_path "$func_to_host_pathlist_f" if test -n "$func_to_host_path_result" ; then if test -z "$func_to_host_pathlist_result" ; then func_to_host_pathlist_result="$func_to_host_path_result" else func_to_host_pathlist_result="$func_to_host_pathlist_result;$func_to_host_path_result" fi fi fi IFS=: done IFS=$func_to_host_pathlist_oldIFS ;; esac if test -z "$func_to_host_pathlist_result" ; then func_error "Could not determine the host path(s) corresponding to" func_error " '$1'" func_error "Continuing, but uninstalled executables may not work." # Fallback. This may break if $1 contains DOS-style drive # specifications. The fix is not to complicate the expression # below, but for the user to provide a working wine installation # with winepath so that path translation in the cross-to-mingw # case works properly. lt_replace_pathsep_nix_to_dos="s|:|;|g" func_to_host_pathlist_result=`echo "$func_to_host_pathlist_tmp1" |\ $SED -e "$lt_replace_pathsep_nix_to_dos"` fi # Now, add the leading and trailing path separators back case "$1" in :* ) func_to_host_pathlist_result=";$func_to_host_pathlist_result" ;; esac case "$1" in *: ) func_to_host_pathlist_result="$func_to_host_pathlist_result;" ;; esac ;; esac fi } # end: func_to_host_pathlist # func_emit_cwrapperexe_src # emit the source code for a wrapper executable on stdout # Must ONLY be called from within func_mode_link because # it depends on a number of variable set therein. func_emit_cwrapperexe_src () { cat < #include #ifdef _MSC_VER # include # include # include # define setmode _setmode #else # include # include # ifdef __CYGWIN__ # include # define HAVE_SETENV # ifdef __STRICT_ANSI__ char *realpath (const char *, char *); int putenv (char *); int setenv (const char *, const char *, int); # endif # endif #endif #include #include #include #include #include #include #include #include #if defined(PATH_MAX) # define LT_PATHMAX PATH_MAX #elif defined(MAXPATHLEN) # define LT_PATHMAX MAXPATHLEN #else # define LT_PATHMAX 1024 #endif #ifndef S_IXOTH # define S_IXOTH 0 #endif #ifndef S_IXGRP # define S_IXGRP 0 #endif #ifdef _MSC_VER # define S_IXUSR _S_IEXEC # define stat _stat # ifndef _INTPTR_T_DEFINED # define intptr_t int # endif #endif #ifndef DIR_SEPARATOR # define DIR_SEPARATOR '/' # define PATH_SEPARATOR ':' #endif #if defined (_WIN32) || defined (__MSDOS__) || defined (__DJGPP__) || \ defined (__OS2__) # define HAVE_DOS_BASED_FILE_SYSTEM # define FOPEN_WB "wb" # ifndef DIR_SEPARATOR_2 # define DIR_SEPARATOR_2 '\\' # endif # ifndef PATH_SEPARATOR_2 # define PATH_SEPARATOR_2 ';' # endif #endif #ifndef DIR_SEPARATOR_2 # define IS_DIR_SEPARATOR(ch) ((ch) == DIR_SEPARATOR) #else /* DIR_SEPARATOR_2 */ # define IS_DIR_SEPARATOR(ch) \ (((ch) == DIR_SEPARATOR) || ((ch) == DIR_SEPARATOR_2)) #endif /* DIR_SEPARATOR_2 */ #ifndef PATH_SEPARATOR_2 # define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR) #else /* PATH_SEPARATOR_2 */ # define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR_2) #endif /* PATH_SEPARATOR_2 */ #ifdef __CYGWIN__ # define FOPEN_WB "wb" #endif #ifndef FOPEN_WB # define FOPEN_WB "w" #endif #ifndef _O_BINARY # define _O_BINARY 0 #endif #define XMALLOC(type, num) ((type *) xmalloc ((num) * sizeof(type))) #define XFREE(stale) do { \ if (stale) { free ((void *) stale); stale = 0; } \ } while (0) #undef LTWRAPPER_DEBUGPRINTF #if defined DEBUGWRAPPER # define LTWRAPPER_DEBUGPRINTF(args) ltwrapper_debugprintf args static void ltwrapper_debugprintf (const char *fmt, ...) { va_list args; va_start (args, fmt); (void) vfprintf (stderr, fmt, args); va_end (args); } #else # define LTWRAPPER_DEBUGPRINTF(args) #endif const char *program_name = NULL; void *xmalloc (size_t num); char *xstrdup (const char *string); const char *base_name (const char *name); char *find_executable (const char *wrapper); char *chase_symlinks (const char *pathspec); int make_executable (const char *path); int check_executable (const char *path); char *strendzap (char *str, const char *pat); void lt_fatal (const char *message, ...); void lt_setenv (const char *name, const char *value); char *lt_extend_str (const char *orig_value, const char *add, int to_end); void lt_opt_process_env_set (const char *arg); void lt_opt_process_env_prepend (const char *arg); void lt_opt_process_env_append (const char *arg); int lt_split_name_value (const char *arg, char** name, char** value); void lt_update_exe_path (const char *name, const char *value); void lt_update_lib_path (const char *name, const char *value); static const char *script_text_part1 = EOF func_emit_wrapper_part1 yes | $SED -e 's/\([\\"]\)/\\\1/g' \ -e 's/^/ "/' -e 's/$/\\n"/' echo ";" cat <"))); for (i = 0; i < newargc; i++) { LTWRAPPER_DEBUGPRINTF (("(main) newargz[%d] : %s\n", i, (newargz[i] ? newargz[i] : ""))); } EOF case $host_os in mingw*) cat <<"EOF" /* execv doesn't actually work on mingw as expected on unix */ rval = _spawnv (_P_WAIT, lt_argv_zero, (const char * const *) newargz); if (rval == -1) { /* failed to start process */ LTWRAPPER_DEBUGPRINTF (("(main) failed to launch target \"%s\": errno = %d\n", lt_argv_zero, errno)); return 127; } return rval; EOF ;; *) cat <<"EOF" execv (lt_argv_zero, newargz); return rval; /* =127, but avoids unused variable warning */ EOF ;; esac cat <<"EOF" } void * xmalloc (size_t num) { void *p = (void *) malloc (num); if (!p) lt_fatal ("Memory exhausted"); return p; } char * xstrdup (const char *string) { return string ? strcpy ((char *) xmalloc (strlen (string) + 1), string) : NULL; } const char * base_name (const char *name) { const char *base; #if defined (HAVE_DOS_BASED_FILE_SYSTEM) /* Skip over the disk name in MSDOS pathnames. */ if (isalpha ((unsigned char) name[0]) && name[1] == ':') name += 2; #endif for (base = name; *name; name++) if (IS_DIR_SEPARATOR (*name)) base = name + 1; return base; } int check_executable (const char *path) { struct stat st; LTWRAPPER_DEBUGPRINTF (("(check_executable) : %s\n", path ? (*path ? path : "EMPTY!") : "NULL!")); if ((!path) || (!*path)) return 0; if ((stat (path, &st) >= 0) && (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH))) return 1; else return 0; } int make_executable (const char *path) { int rval = 0; struct stat st; LTWRAPPER_DEBUGPRINTF (("(make_executable) : %s\n", path ? (*path ? path : "EMPTY!") : "NULL!")); if ((!path) || (!*path)) return 0; if (stat (path, &st) >= 0) { rval = chmod (path, st.st_mode | S_IXOTH | S_IXGRP | S_IXUSR); } return rval; } /* Searches for the full path of the wrapper. Returns newly allocated full path name if found, NULL otherwise Does not chase symlinks, even on platforms that support them. */ char * find_executable (const char *wrapper) { int has_slash = 0; const char *p; const char *p_next; /* static buffer for getcwd */ char tmp[LT_PATHMAX + 1]; int tmp_len; char *concat_name; LTWRAPPER_DEBUGPRINTF (("(find_executable) : %s\n", wrapper ? (*wrapper ? wrapper : "EMPTY!") : "NULL!")); if ((wrapper == NULL) || (*wrapper == '\0')) return NULL; /* Absolute path? */ #if defined (HAVE_DOS_BASED_FILE_SYSTEM) if (isalpha ((unsigned char) wrapper[0]) && wrapper[1] == ':') { concat_name = xstrdup (wrapper); if (check_executable (concat_name)) return concat_name; XFREE (concat_name); } else { #endif if (IS_DIR_SEPARATOR (wrapper[0])) { concat_name = xstrdup (wrapper); if (check_executable (concat_name)) return concat_name; XFREE (concat_name); } #if defined (HAVE_DOS_BASED_FILE_SYSTEM) } #endif for (p = wrapper; *p; p++) if (*p == '/') { has_slash = 1; break; } if (!has_slash) { /* no slashes; search PATH */ const char *path = getenv ("PATH"); if (path != NULL) { for (p = path; *p; p = p_next) { const char *q; size_t p_len; for (q = p; *q; q++) if (IS_PATH_SEPARATOR (*q)) break; p_len = q - p; p_next = (*q == '\0' ? q : q + 1); if (p_len == 0) { /* empty path: current directory */ if (getcwd (tmp, LT_PATHMAX) == NULL) lt_fatal ("getcwd failed"); tmp_len = strlen (tmp); concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); memcpy (concat_name, tmp, tmp_len); concat_name[tmp_len] = '/'; strcpy (concat_name + tmp_len + 1, wrapper); } else { concat_name = XMALLOC (char, p_len + 1 + strlen (wrapper) + 1); memcpy (concat_name, p, p_len); concat_name[p_len] = '/'; strcpy (concat_name + p_len + 1, wrapper); } if (check_executable (concat_name)) return concat_name; XFREE (concat_name); } } /* not found in PATH; assume curdir */ } /* Relative path | not found in path: prepend cwd */ if (getcwd (tmp, LT_PATHMAX) == NULL) lt_fatal ("getcwd failed"); tmp_len = strlen (tmp); concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); memcpy (concat_name, tmp, tmp_len); concat_name[tmp_len] = '/'; strcpy (concat_name + tmp_len + 1, wrapper); if (check_executable (concat_name)) return concat_name; XFREE (concat_name); return NULL; } char * chase_symlinks (const char *pathspec) { #ifndef S_ISLNK return xstrdup (pathspec); #else char buf[LT_PATHMAX]; struct stat s; char *tmp_pathspec = xstrdup (pathspec); char *p; int has_symlinks = 0; while (strlen (tmp_pathspec) && !has_symlinks) { LTWRAPPER_DEBUGPRINTF (("checking path component for symlinks: %s\n", tmp_pathspec)); if (lstat (tmp_pathspec, &s) == 0) { if (S_ISLNK (s.st_mode) != 0) { has_symlinks = 1; break; } /* search backwards for last DIR_SEPARATOR */ p = tmp_pathspec + strlen (tmp_pathspec) - 1; while ((p > tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) p--; if ((p == tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) { /* no more DIR_SEPARATORS left */ break; } *p = '\0'; } else { char *errstr = strerror (errno); lt_fatal ("Error accessing file %s (%s)", tmp_pathspec, errstr); } } XFREE (tmp_pathspec); if (!has_symlinks) { return xstrdup (pathspec); } tmp_pathspec = realpath (pathspec, buf); if (tmp_pathspec == 0) { lt_fatal ("Could not follow symlinks for %s", pathspec); } return xstrdup (tmp_pathspec); #endif } char * strendzap (char *str, const char *pat) { size_t len, patlen; assert (str != NULL); assert (pat != NULL); len = strlen (str); patlen = strlen (pat); if (patlen <= len) { str += len - patlen; if (strcmp (str, pat) == 0) *str = '\0'; } return str; } static void lt_error_core (int exit_status, const char *mode, const char *message, va_list ap) { fprintf (stderr, "%s: %s: ", program_name, mode); vfprintf (stderr, message, ap); fprintf (stderr, ".\n"); if (exit_status >= 0) exit (exit_status); } void lt_fatal (const char *message, ...) { va_list ap; va_start (ap, message); lt_error_core (EXIT_FAILURE, "FATAL", message, ap); va_end (ap); } void lt_setenv (const char *name, const char *value) { LTWRAPPER_DEBUGPRINTF (("(lt_setenv) setting '%s' to '%s'\n", (name ? name : ""), (value ? value : ""))); { #ifdef HAVE_SETENV /* always make a copy, for consistency with !HAVE_SETENV */ char *str = xstrdup (value); setenv (name, str, 1); #else int len = strlen (name) + 1 + strlen (value) + 1; char *str = XMALLOC (char, len); sprintf (str, "%s=%s", name, value); if (putenv (str) != EXIT_SUCCESS) { XFREE (str); } #endif } } char * lt_extend_str (const char *orig_value, const char *add, int to_end) { char *new_value; if (orig_value && *orig_value) { int orig_value_len = strlen (orig_value); int add_len = strlen (add); new_value = XMALLOC (char, add_len + orig_value_len + 1); if (to_end) { strcpy (new_value, orig_value); strcpy (new_value + orig_value_len, add); } else { strcpy (new_value, add); strcpy (new_value + add_len, orig_value); } } else { new_value = xstrdup (add); } return new_value; } int lt_split_name_value (const char *arg, char** name, char** value) { const char *p; int len; if (!arg || !*arg) return 1; p = strchr (arg, (int)'='); if (!p) return 1; *value = xstrdup (++p); len = strlen (arg) - strlen (*value); *name = XMALLOC (char, len); strncpy (*name, arg, len-1); (*name)[len - 1] = '\0'; return 0; } void lt_opt_process_env_set (const char *arg) { char *name = NULL; char *value = NULL; if (lt_split_name_value (arg, &name, &value) != 0) { XFREE (name); XFREE (value); lt_fatal ("bad argument for %s: '%s'", env_set_opt, arg); } lt_setenv (name, value); XFREE (name); XFREE (value); } void lt_opt_process_env_prepend (const char *arg) { char *name = NULL; char *value = NULL; char *new_value = NULL; if (lt_split_name_value (arg, &name, &value) != 0) { XFREE (name); XFREE (value); lt_fatal ("bad argument for %s: '%s'", env_prepend_opt, arg); } new_value = lt_extend_str (getenv (name), value, 0); lt_setenv (name, new_value); XFREE (new_value); XFREE (name); XFREE (value); } void lt_opt_process_env_append (const char *arg) { char *name = NULL; char *value = NULL; char *new_value = NULL; if (lt_split_name_value (arg, &name, &value) != 0) { XFREE (name); XFREE (value); lt_fatal ("bad argument for %s: '%s'", env_append_opt, arg); } new_value = lt_extend_str (getenv (name), value, 1); lt_setenv (name, new_value); XFREE (new_value); XFREE (name); XFREE (value); } void lt_update_exe_path (const char *name, const char *value) { LTWRAPPER_DEBUGPRINTF (("(lt_update_exe_path) modifying '%s' by prepending '%s'\n", (name ? name : ""), (value ? value : ""))); if (name && *name && value && *value) { char *new_value = lt_extend_str (getenv (name), value, 0); /* some systems can't cope with a ':'-terminated path #' */ int len = strlen (new_value); while (((len = strlen (new_value)) > 0) && IS_PATH_SEPARATOR (new_value[len-1])) { new_value[len-1] = '\0'; } lt_setenv (name, new_value); XFREE (new_value); } } void lt_update_lib_path (const char *name, const char *value) { LTWRAPPER_DEBUGPRINTF (("(lt_update_lib_path) modifying '%s' by prepending '%s'\n", (name ? name : ""), (value ? value : ""))); if (name && *name && value && *value) { char *new_value = lt_extend_str (getenv (name), value, 0); lt_setenv (name, new_value); XFREE (new_value); } } EOF } # end: func_emit_cwrapperexe_src # func_mode_link arg... func_mode_link () { $opt_debug case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) # It is impossible to link a dll without this setting, and # we shouldn't force the makefile maintainer to figure out # which system we are compiling for in order to pass an extra # flag for every libtool invocation. # allow_undefined=no # FIXME: Unfortunately, there are problems with the above when trying # to make a dll which has undefined symbols, in which case not # even a static library is built. For now, we need to specify # -no-undefined on the libtool link line when we can be certain # that all symbols are satisfied, otherwise we get a static library. allow_undefined=yes ;; *) allow_undefined=yes ;; esac libtool_args=$nonopt base_compile="$nonopt $@" compile_command=$nonopt finalize_command=$nonopt compile_rpath= finalize_rpath= compile_shlibpath= finalize_shlibpath= convenience= old_convenience= deplibs= old_deplibs= compiler_flags= linker_flags= dllsearchpath= lib_search_path=`pwd` inst_prefix_dir= new_inherited_linker_flags= avoid_version=no dlfiles= dlprefiles= dlself=no export_dynamic=no export_symbols= export_symbols_regex= generated= libobjs= ltlibs= module=no no_install=no objs= non_pic_objects= precious_files_regex= prefer_static_libs=no preload=no prev= prevarg= release= rpath= xrpath= perm_rpath= temp_rpath= thread_safe=no vinfo= vinfo_number=no weak_libs= single_module="${wl}-single_module" func_infer_tag $base_compile # We need to know -static, to get the right output filenames. for arg do case $arg in -shared) test "$build_libtool_libs" != yes && \ func_fatal_configuration "can not build a shared library" build_old_libs=no break ;; -all-static | -static | -static-libtool-libs) case $arg in -all-static) if test "$build_libtool_libs" = yes && test -z "$link_static_flag"; then func_warning "complete static linking is impossible in this configuration" fi if test -n "$link_static_flag"; then dlopen_self=$dlopen_self_static fi prefer_static_libs=yes ;; -static) if test -z "$pic_flag" && test -n "$link_static_flag"; then dlopen_self=$dlopen_self_static fi prefer_static_libs=built ;; -static-libtool-libs) if test -z "$pic_flag" && test -n "$link_static_flag"; then dlopen_self=$dlopen_self_static fi prefer_static_libs=yes ;; esac build_libtool_libs=no build_old_libs=yes break ;; esac done # See if our shared archives depend on static archives. test -n "$old_archive_from_new_cmds" && build_old_libs=yes # Go through the arguments, transforming them on the way. while test "$#" -gt 0; do arg="$1" shift func_quote_for_eval "$arg" qarg=$func_quote_for_eval_unquoted_result func_append libtool_args " $func_quote_for_eval_result" # If the previous option needs an argument, assign it. if test -n "$prev"; then case $prev in output) func_append compile_command " @OUTPUT@" func_append finalize_command " @OUTPUT@" ;; esac case $prev in dlfiles|dlprefiles) if test "$preload" = no; then # Add the symbol object into the linking commands. func_append compile_command " @SYMFILE@" func_append finalize_command " @SYMFILE@" preload=yes fi case $arg in *.la | *.lo) ;; # We handle these cases below. force) if test "$dlself" = no; then dlself=needless export_dynamic=yes fi prev= continue ;; self) if test "$prev" = dlprefiles; then dlself=yes elif test "$prev" = dlfiles && test "$dlopen_self" != yes; then dlself=yes else dlself=needless export_dynamic=yes fi prev= continue ;; *) if test "$prev" = dlfiles; then dlfiles="$dlfiles $arg" else dlprefiles="$dlprefiles $arg" fi prev= continue ;; esac ;; expsyms) export_symbols="$arg" test -f "$arg" \ || func_fatal_error "symbol file \`$arg' does not exist" prev= continue ;; expsyms_regex) export_symbols_regex="$arg" prev= continue ;; framework) case $host in *-*-darwin*) case "$deplibs " in *" $qarg.ltframework "*) ;; *) deplibs="$deplibs $qarg.ltframework" # this is fixed later ;; esac ;; esac prev= continue ;; inst_prefix) inst_prefix_dir="$arg" prev= continue ;; objectlist) if test -f "$arg"; then save_arg=$arg moreargs= for fil in `cat "$save_arg"` do # moreargs="$moreargs $fil" arg=$fil # A libtool-controlled object. # Check to see that this really is a libtool object. if func_lalib_unsafe_p "$arg"; then pic_object= non_pic_object= # Read the .lo file func_source "$arg" if test -z "$pic_object" || test -z "$non_pic_object" || test "$pic_object" = none && test "$non_pic_object" = none; then func_fatal_error "cannot find name of object for \`$arg'" fi # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir="$func_dirname_result" if test "$pic_object" != none; then # Prepend the subdirectory the object is found in. pic_object="$xdir$pic_object" if test "$prev" = dlfiles; then if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then dlfiles="$dlfiles $pic_object" prev= continue else # If libtool objects are unsupported, then we need to preload. prev=dlprefiles fi fi # CHECK ME: I think I busted this. -Ossama if test "$prev" = dlprefiles; then # Preload the old-style object. dlprefiles="$dlprefiles $pic_object" prev= fi # A PIC object. func_append libobjs " $pic_object" arg="$pic_object" fi # Non-PIC object. if test "$non_pic_object" != none; then # Prepend the subdirectory the object is found in. non_pic_object="$xdir$non_pic_object" # A standard non-PIC object func_append non_pic_objects " $non_pic_object" if test -z "$pic_object" || test "$pic_object" = none ; then arg="$non_pic_object" fi else # If the PIC object exists, use it instead. # $xdir was prepended to $pic_object above. non_pic_object="$pic_object" func_append non_pic_objects " $non_pic_object" fi else # Only an error if not doing a dry-run. if $opt_dry_run; then # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir="$func_dirname_result" func_lo2o "$arg" pic_object=$xdir$objdir/$func_lo2o_result non_pic_object=$xdir$func_lo2o_result func_append libobjs " $pic_object" func_append non_pic_objects " $non_pic_object" else func_fatal_error "\`$arg' is not a valid libtool object" fi fi done else func_fatal_error "link input file \`$arg' does not exist" fi arg=$save_arg prev= continue ;; precious_regex) precious_files_regex="$arg" prev= continue ;; release) release="-$arg" prev= continue ;; rpath | xrpath) # We need an absolute path. case $arg in [\\/]* | [A-Za-z]:[\\/]*) ;; *) func_fatal_error "only absolute run-paths are allowed" ;; esac if test "$prev" = rpath; then case "$rpath " in *" $arg "*) ;; *) rpath="$rpath $arg" ;; esac else case "$xrpath " in *" $arg "*) ;; *) xrpath="$xrpath $arg" ;; esac fi prev= continue ;; shrext) shrext_cmds="$arg" prev= continue ;; weak) weak_libs="$weak_libs $arg" prev= continue ;; xcclinker) linker_flags="$linker_flags $qarg" compiler_flags="$compiler_flags $qarg" prev= func_append compile_command " $qarg" func_append finalize_command " $qarg" continue ;; xcompiler) compiler_flags="$compiler_flags $qarg" prev= func_append compile_command " $qarg" func_append finalize_command " $qarg" continue ;; xlinker) linker_flags="$linker_flags $qarg" compiler_flags="$compiler_flags $wl$qarg" prev= func_append compile_command " $wl$qarg" func_append finalize_command " $wl$qarg" continue ;; *) eval "$prev=\"\$arg\"" prev= continue ;; esac fi # test -n "$prev" prevarg="$arg" case $arg in -all-static) if test -n "$link_static_flag"; then # See comment for -static flag below, for more details. func_append compile_command " $link_static_flag" func_append finalize_command " $link_static_flag" fi continue ;; -allow-undefined) # FIXME: remove this flag sometime in the future. func_fatal_error "\`-allow-undefined' must not be used because it is the default" ;; -avoid-version) avoid_version=yes continue ;; -dlopen) prev=dlfiles continue ;; -dlpreopen) prev=dlprefiles continue ;; -export-dynamic) export_dynamic=yes continue ;; -export-symbols | -export-symbols-regex) if test -n "$export_symbols" || test -n "$export_symbols_regex"; then func_fatal_error "more than one -exported-symbols argument is not allowed" fi if test "X$arg" = "X-export-symbols"; then prev=expsyms else prev=expsyms_regex fi continue ;; -framework) prev=framework continue ;; -inst-prefix-dir) prev=inst_prefix continue ;; # The native IRIX linker understands -LANG:*, -LIST:* and -LNO:* # so, if we see these flags be careful not to treat them like -L -L[A-Z][A-Z]*:*) case $with_gcc/$host in no/*-*-irix* | /*-*-irix*) func_append compile_command " $arg" func_append finalize_command " $arg" ;; esac continue ;; -L*) func_stripname '-L' '' "$arg" dir=$func_stripname_result if test -z "$dir"; then if test "$#" -gt 0; then func_fatal_error "require no space between \`-L' and \`$1'" else func_fatal_error "need path for \`-L' option" fi fi # We need an absolute path. case $dir in [\\/]* | [A-Za-z]:[\\/]*) ;; *) absdir=`cd "$dir" && pwd` test -z "$absdir" && \ func_fatal_error "cannot determine absolute directory name of \`$dir'" dir="$absdir" ;; esac case "$deplibs " in *" -L$dir "*) ;; *) deplibs="$deplibs -L$dir" lib_search_path="$lib_search_path $dir" ;; esac case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) testbindir=`$ECHO "X$dir" | $Xsed -e 's*/lib$*/bin*'` case :$dllsearchpath: in *":$dir:"*) ;; ::) dllsearchpath=$dir;; *) dllsearchpath="$dllsearchpath:$dir";; esac case :$dllsearchpath: in *":$testbindir:"*) ;; ::) dllsearchpath=$testbindir;; *) dllsearchpath="$dllsearchpath:$testbindir";; esac ;; esac continue ;; -l*) if test "X$arg" = "X-lc" || test "X$arg" = "X-lm"; then case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-beos* | *-cegcc*) # These systems don't actually have a C or math library (as such) continue ;; *-*-os2*) # These systems don't actually have a C library (as such) test "X$arg" = "X-lc" && continue ;; *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*) # Do not include libc due to us having libc/libc_r. test "X$arg" = "X-lc" && continue ;; *-*-rhapsody* | *-*-darwin1.[012]) # Rhapsody C and math libraries are in the System framework deplibs="$deplibs System.ltframework" continue ;; *-*-sco3.2v5* | *-*-sco5v6*) # Causes problems with __ctype test "X$arg" = "X-lc" && continue ;; *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*) # Compiler inserts libc in the correct place for threads to work test "X$arg" = "X-lc" && continue ;; esac elif test "X$arg" = "X-lc_r"; then case $host in *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*) # Do not include libc_r directly, use -pthread flag. continue ;; esac fi deplibs="$deplibs $arg" continue ;; -module) module=yes continue ;; # Tru64 UNIX uses -model [arg] to determine the layout of C++ # classes, name mangling, and exception handling. # Darwin uses the -arch flag to determine output architecture. -model|-arch|-isysroot) compiler_flags="$compiler_flags $arg" func_append compile_command " $arg" func_append finalize_command " $arg" prev=xcompiler continue ;; -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe|-threads) compiler_flags="$compiler_flags $arg" func_append compile_command " $arg" func_append finalize_command " $arg" case "$new_inherited_linker_flags " in *" $arg "*) ;; * ) new_inherited_linker_flags="$new_inherited_linker_flags $arg" ;; esac continue ;; -multi_module) single_module="${wl}-multi_module" continue ;; -no-fast-install) fast_install=no continue ;; -no-install) case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-darwin* | *-cegcc*) # The PATH hackery in wrapper scripts is required on Windows # and Darwin in order for the loader to find any dlls it needs. func_warning "\`-no-install' is ignored for $host" func_warning "assuming \`-no-fast-install' instead" fast_install=no ;; *) no_install=yes ;; esac continue ;; -no-undefined) allow_undefined=no continue ;; -objectlist) prev=objectlist continue ;; -o) prev=output ;; -precious-files-regex) prev=precious_regex continue ;; -release) prev=release continue ;; -rpath) prev=rpath continue ;; -R) prev=xrpath continue ;; -R*) func_stripname '-R' '' "$arg" dir=$func_stripname_result # We need an absolute path. case $dir in [\\/]* | [A-Za-z]:[\\/]*) ;; *) func_fatal_error "only absolute run-paths are allowed" ;; esac case "$xrpath " in *" $dir "*) ;; *) xrpath="$xrpath $dir" ;; esac continue ;; -shared) # The effects of -shared are defined in a previous loop. continue ;; -shrext) prev=shrext continue ;; -static | -static-libtool-libs) # The effects of -static are defined in a previous loop. # We used to do the same as -all-static on platforms that # didn't have a PIC flag, but the assumption that the effects # would be equivalent was wrong. It would break on at least # Digital Unix and AIX. continue ;; -thread-safe) thread_safe=yes continue ;; -version-info) prev=vinfo continue ;; -version-number) prev=vinfo vinfo_number=yes continue ;; -weak) prev=weak continue ;; -Wc,*) func_stripname '-Wc,' '' "$arg" args=$func_stripname_result arg= save_ifs="$IFS"; IFS=',' for flag in $args; do IFS="$save_ifs" func_quote_for_eval "$flag" arg="$arg $wl$func_quote_for_eval_result" compiler_flags="$compiler_flags $func_quote_for_eval_result" done IFS="$save_ifs" func_stripname ' ' '' "$arg" arg=$func_stripname_result ;; -Wl,*) func_stripname '-Wl,' '' "$arg" args=$func_stripname_result arg= save_ifs="$IFS"; IFS=',' for flag in $args; do IFS="$save_ifs" func_quote_for_eval "$flag" arg="$arg $wl$func_quote_for_eval_result" compiler_flags="$compiler_flags $wl$func_quote_for_eval_result" linker_flags="$linker_flags $func_quote_for_eval_result" done IFS="$save_ifs" func_stripname ' ' '' "$arg" arg=$func_stripname_result ;; -Xcompiler) prev=xcompiler continue ;; -Xlinker) prev=xlinker continue ;; -XCClinker) prev=xcclinker continue ;; # -msg_* for osf cc -msg_*) func_quote_for_eval "$arg" arg="$func_quote_for_eval_result" ;; # -64, -mips[0-9] enable 64-bit mode on the SGI compiler # -r[0-9][0-9]* specifies the processor on the SGI compiler # -xarch=*, -xtarget=* enable 64-bit mode on the Sun compiler # +DA*, +DD* enable 64-bit mode on the HP compiler # -q* pass through compiler args for the IBM compiler # -m*, -t[45]*, -txscale* pass through architecture-specific # compiler args for GCC # -F/path gives path to uninstalled frameworks, gcc on darwin # -p, -pg, --coverage, -fprofile-* pass through profiling flag for GCC # @file GCC response files -64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \ -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*) func_quote_for_eval "$arg" arg="$func_quote_for_eval_result" func_append compile_command " $arg" func_append finalize_command " $arg" compiler_flags="$compiler_flags $arg" continue ;; # Some other compiler flag. -* | +*) func_quote_for_eval "$arg" arg="$func_quote_for_eval_result" ;; *.$objext) # A standard object. objs="$objs $arg" ;; *.lo) # A libtool-controlled object. # Check to see that this really is a libtool object. if func_lalib_unsafe_p "$arg"; then pic_object= non_pic_object= # Read the .lo file func_source "$arg" if test -z "$pic_object" || test -z "$non_pic_object" || test "$pic_object" = none && test "$non_pic_object" = none; then func_fatal_error "cannot find name of object for \`$arg'" fi # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir="$func_dirname_result" if test "$pic_object" != none; then # Prepend the subdirectory the object is found in. pic_object="$xdir$pic_object" if test "$prev" = dlfiles; then if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then dlfiles="$dlfiles $pic_object" prev= continue else # If libtool objects are unsupported, then we need to preload. prev=dlprefiles fi fi # CHECK ME: I think I busted this. -Ossama if test "$prev" = dlprefiles; then # Preload the old-style object. dlprefiles="$dlprefiles $pic_object" prev= fi # A PIC object. func_append libobjs " $pic_object" arg="$pic_object" fi # Non-PIC object. if test "$non_pic_object" != none; then # Prepend the subdirectory the object is found in. non_pic_object="$xdir$non_pic_object" # A standard non-PIC object func_append non_pic_objects " $non_pic_object" if test -z "$pic_object" || test "$pic_object" = none ; then arg="$non_pic_object" fi else # If the PIC object exists, use it instead. # $xdir was prepended to $pic_object above. non_pic_object="$pic_object" func_append non_pic_objects " $non_pic_object" fi else # Only an error if not doing a dry-run. if $opt_dry_run; then # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir="$func_dirname_result" func_lo2o "$arg" pic_object=$xdir$objdir/$func_lo2o_result non_pic_object=$xdir$func_lo2o_result func_append libobjs " $pic_object" func_append non_pic_objects " $non_pic_object" else func_fatal_error "\`$arg' is not a valid libtool object" fi fi ;; *.$libext) # An archive. deplibs="$deplibs $arg" old_deplibs="$old_deplibs $arg" continue ;; *.la) # A libtool-controlled library. if test "$prev" = dlfiles; then # This library was specified with -dlopen. dlfiles="$dlfiles $arg" prev= elif test "$prev" = dlprefiles; then # The library was specified with -dlpreopen. dlprefiles="$dlprefiles $arg" prev= else deplibs="$deplibs $arg" fi continue ;; # Some other compiler argument. *) # Unknown arguments in both finalize_command and compile_command need # to be aesthetically quoted because they are evaled later. func_quote_for_eval "$arg" arg="$func_quote_for_eval_result" ;; esac # arg # Now actually substitute the argument into the commands. if test -n "$arg"; then func_append compile_command " $arg" func_append finalize_command " $arg" fi done # argument parsing loop test -n "$prev" && \ func_fatal_help "the \`$prevarg' option requires an argument" if test "$export_dynamic" = yes && test -n "$export_dynamic_flag_spec"; then eval arg=\"$export_dynamic_flag_spec\" func_append compile_command " $arg" func_append finalize_command " $arg" fi oldlibs= # calculate the name of the file, without its directory func_basename "$output" outputname="$func_basename_result" libobjs_save="$libobjs" if test -n "$shlibpath_var"; then # get the directories listed in $shlibpath_var eval shlib_search_path=\`\$ECHO \"X\${$shlibpath_var}\" \| \$Xsed -e \'s/:/ /g\'\` else shlib_search_path= fi eval sys_lib_search_path=\"$sys_lib_search_path_spec\" eval sys_lib_dlsearch_path=\"$sys_lib_dlsearch_path_spec\" func_dirname "$output" "/" "" output_objdir="$func_dirname_result$objdir" # Create the object directory. func_mkdir_p "$output_objdir" # Determine the type of output case $output in "") func_fatal_help "you must specify an output file" ;; *.$libext) linkmode=oldlib ;; *.lo | *.$objext) linkmode=obj ;; *.la) linkmode=lib ;; *) linkmode=prog ;; # Anything else should be a program. esac specialdeplibs= libs= # Find all interdependent deplibs by searching for libraries # that are linked more than once (e.g. -la -lb -la) for deplib in $deplibs; do if $opt_duplicate_deps ; then case "$libs " in *" $deplib "*) specialdeplibs="$specialdeplibs $deplib" ;; esac fi libs="$libs $deplib" done if test "$linkmode" = lib; then libs="$predeps $libs $compiler_lib_search_path $postdeps" # Compute libraries that are listed more than once in $predeps # $postdeps and mark them as special (i.e., whose duplicates are # not to be eliminated). pre_post_deps= if $opt_duplicate_compiler_generated_deps; then for pre_post_dep in $predeps $postdeps; do case "$pre_post_deps " in *" $pre_post_dep "*) specialdeplibs="$specialdeplibs $pre_post_deps" ;; esac pre_post_deps="$pre_post_deps $pre_post_dep" done fi pre_post_deps= fi deplibs= newdependency_libs= newlib_search_path= need_relink=no # whether we're linking any uninstalled libtool libraries notinst_deplibs= # not-installed libtool libraries notinst_path= # paths that contain not-installed libtool libraries case $linkmode in lib) passes="conv dlpreopen link" for file in $dlfiles $dlprefiles; do case $file in *.la) ;; *) func_fatal_help "libraries can \`-dlopen' only libtool libraries: $file" ;; esac done ;; prog) compile_deplibs= finalize_deplibs= alldeplibs=no newdlfiles= newdlprefiles= passes="conv scan dlopen dlpreopen link" ;; *) passes="conv" ;; esac for pass in $passes; do # The preopen pass in lib mode reverses $deplibs; put it back here # so that -L comes before libs that need it for instance... if test "$linkmode,$pass" = "lib,link"; then ## FIXME: Find the place where the list is rebuilt in the wrong ## order, and fix it there properly tmp_deplibs= for deplib in $deplibs; do tmp_deplibs="$deplib $tmp_deplibs" done deplibs="$tmp_deplibs" fi if test "$linkmode,$pass" = "lib,link" || test "$linkmode,$pass" = "prog,scan"; then libs="$deplibs" deplibs= fi if test "$linkmode" = prog; then case $pass in dlopen) libs="$dlfiles" ;; dlpreopen) libs="$dlprefiles" ;; link) libs="$deplibs %DEPLIBS%" test "X$link_all_deplibs" != Xno && libs="$libs $dependency_libs" ;; esac fi if test "$linkmode,$pass" = "lib,dlpreopen"; then # Collect and forward deplibs of preopened libtool libs for lib in $dlprefiles; do # Ignore non-libtool-libs dependency_libs= case $lib in *.la) func_source "$lib" ;; esac # Collect preopened libtool deplibs, except any this library # has declared as weak libs for deplib in $dependency_libs; do deplib_base=`$ECHO "X$deplib" | $Xsed -e "$basename"` case " $weak_libs " in *" $deplib_base "*) ;; *) deplibs="$deplibs $deplib" ;; esac done done libs="$dlprefiles" fi if test "$pass" = dlopen; then # Collect dlpreopened libraries save_deplibs="$deplibs" deplibs= fi for deplib in $libs; do lib= found=no case $deplib in -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe|-threads) if test "$linkmode,$pass" = "prog,link"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else compiler_flags="$compiler_flags $deplib" if test "$linkmode" = lib ; then case "$new_inherited_linker_flags " in *" $deplib "*) ;; * ) new_inherited_linker_flags="$new_inherited_linker_flags $deplib" ;; esac fi fi continue ;; -l*) if test "$linkmode" != lib && test "$linkmode" != prog; then func_warning "\`-l' is ignored for archives/objects" continue fi func_stripname '-l' '' "$deplib" name=$func_stripname_result if test "$linkmode" = lib; then searchdirs="$newlib_search_path $lib_search_path $compiler_lib_search_dirs $sys_lib_search_path $shlib_search_path" else searchdirs="$newlib_search_path $lib_search_path $sys_lib_search_path $shlib_search_path" fi for searchdir in $searchdirs; do for search_ext in .la $std_shrext .so .a; do # Search the libtool library lib="$searchdir/lib${name}${search_ext}" if test -f "$lib"; then if test "$search_ext" = ".la"; then found=yes else found=no fi break 2 fi done done if test "$found" != yes; then # deplib doesn't seem to be a libtool library if test "$linkmode,$pass" = "prog,link"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else deplibs="$deplib $deplibs" test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs" fi continue else # deplib is a libtool library # If $allow_libtool_libs_with_static_runtimes && $deplib is a stdlib, # We need to do some special things here, and not later. if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then case " $predeps $postdeps " in *" $deplib "*) if func_lalib_p "$lib"; then library_names= old_library= func_source "$lib" for l in $old_library $library_names; do ll="$l" done if test "X$ll" = "X$old_library" ; then # only static version available found=no func_dirname "$lib" "" "." ladir="$func_dirname_result" lib=$ladir/$old_library if test "$linkmode,$pass" = "prog,link"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else deplibs="$deplib $deplibs" test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs" fi continue fi fi ;; *) ;; esac fi fi ;; # -l *.ltframework) if test "$linkmode,$pass" = "prog,link"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else deplibs="$deplib $deplibs" if test "$linkmode" = lib ; then case "$new_inherited_linker_flags " in *" $deplib "*) ;; * ) new_inherited_linker_flags="$new_inherited_linker_flags $deplib" ;; esac fi fi continue ;; -L*) case $linkmode in lib) deplibs="$deplib $deplibs" test "$pass" = conv && continue newdependency_libs="$deplib $newdependency_libs" func_stripname '-L' '' "$deplib" newlib_search_path="$newlib_search_path $func_stripname_result" ;; prog) if test "$pass" = conv; then deplibs="$deplib $deplibs" continue fi if test "$pass" = scan; then deplibs="$deplib $deplibs" else compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" fi func_stripname '-L' '' "$deplib" newlib_search_path="$newlib_search_path $func_stripname_result" ;; *) func_warning "\`-L' is ignored for archives/objects" ;; esac # linkmode continue ;; # -L -R*) if test "$pass" = link; then func_stripname '-R' '' "$deplib" dir=$func_stripname_result # Make sure the xrpath contains only unique directories. case "$xrpath " in *" $dir "*) ;; *) xrpath="$xrpath $dir" ;; esac fi deplibs="$deplib $deplibs" continue ;; *.la) lib="$deplib" ;; *.$libext) if test "$pass" = conv; then deplibs="$deplib $deplibs" continue fi case $linkmode in lib) # Linking convenience modules into shared libraries is allowed, # but linking other static libraries is non-portable. case " $dlpreconveniencelibs " in *" $deplib "*) ;; *) valid_a_lib=no case $deplibs_check_method in match_pattern*) set dummy $deplibs_check_method; shift match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"` if eval "\$ECHO \"X$deplib\"" 2>/dev/null | $Xsed -e 10q \ | $EGREP "$match_pattern_regex" > /dev/null; then valid_a_lib=yes fi ;; pass_all) valid_a_lib=yes ;; esac if test "$valid_a_lib" != yes; then $ECHO $ECHO "*** Warning: Trying to link with static lib archive $deplib." $ECHO "*** I have the capability to make that library automatically link in when" $ECHO "*** you link to this library. But I can only do this if you have a" $ECHO "*** shared version of the library, which you do not appear to have" $ECHO "*** because the file extensions .$libext of this argument makes me believe" $ECHO "*** that it is just a static archive that I should not use here." else $ECHO $ECHO "*** Warning: Linking the shared library $output against the" $ECHO "*** static library $deplib is not portable!" deplibs="$deplib $deplibs" fi ;; esac continue ;; prog) if test "$pass" != link; then deplibs="$deplib $deplibs" else compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" fi continue ;; esac # linkmode ;; # *.$libext *.lo | *.$objext) if test "$pass" = conv; then deplibs="$deplib $deplibs" elif test "$linkmode" = prog; then if test "$pass" = dlpreopen || test "$dlopen_support" != yes || test "$build_libtool_libs" = no; then # If there is no dlopen support or we're linking statically, # we need to preload. newdlprefiles="$newdlprefiles $deplib" compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else newdlfiles="$newdlfiles $deplib" fi fi continue ;; %DEPLIBS%) alldeplibs=yes continue ;; esac # case $deplib if test "$found" = yes || test -f "$lib"; then : else func_fatal_error "cannot find the library \`$lib' or unhandled argument \`$deplib'" fi # Check to see that this really is a libtool archive. func_lalib_unsafe_p "$lib" \ || func_fatal_error "\`$lib' is not a valid libtool archive" func_dirname "$lib" "" "." ladir="$func_dirname_result" dlname= dlopen= dlpreopen= libdir= library_names= old_library= inherited_linker_flags= # If the library was installed with an old release of libtool, # it will not redefine variables installed, or shouldnotlink installed=yes shouldnotlink=no avoidtemprpath= # Read the .la file func_source "$lib" # Convert "-framework foo" to "foo.ltframework" if test -n "$inherited_linker_flags"; then tmp_inherited_linker_flags=`$ECHO "X$inherited_linker_flags" | $Xsed -e 's/-framework \([^ $]*\)/\1.ltframework/g'` for tmp_inherited_linker_flag in $tmp_inherited_linker_flags; do case " $new_inherited_linker_flags " in *" $tmp_inherited_linker_flag "*) ;; *) new_inherited_linker_flags="$new_inherited_linker_flags $tmp_inherited_linker_flag";; esac done fi dependency_libs=`$ECHO "X $dependency_libs" | $Xsed -e 's% \([^ $]*\).ltframework% -framework \1%g'` if test "$linkmode,$pass" = "lib,link" || test "$linkmode,$pass" = "prog,scan" || { test "$linkmode" != prog && test "$linkmode" != lib; }; then test -n "$dlopen" && dlfiles="$dlfiles $dlopen" test -n "$dlpreopen" && dlprefiles="$dlprefiles $dlpreopen" fi if test "$pass" = conv; then # Only check for convenience libraries deplibs="$lib $deplibs" if test -z "$libdir"; then if test -z "$old_library"; then func_fatal_error "cannot find name of link library for \`$lib'" fi # It is a libtool convenience library, so add in its objects. convenience="$convenience $ladir/$objdir/$old_library" old_convenience="$old_convenience $ladir/$objdir/$old_library" tmp_libs= for deplib in $dependency_libs; do deplibs="$deplib $deplibs" if $opt_duplicate_deps ; then case "$tmp_libs " in *" $deplib "*) specialdeplibs="$specialdeplibs $deplib" ;; esac fi tmp_libs="$tmp_libs $deplib" done elif test "$linkmode" != prog && test "$linkmode" != lib; then func_fatal_error "\`$lib' is not a convenience library" fi continue fi # $pass = conv # Get the name of the library we link against. linklib= for l in $old_library $library_names; do linklib="$l" done if test -z "$linklib"; then func_fatal_error "cannot find name of link library for \`$lib'" fi # This library was specified with -dlopen. if test "$pass" = dlopen; then if test -z "$libdir"; then func_fatal_error "cannot -dlopen a convenience library: \`$lib'" fi if test -z "$dlname" || test "$dlopen_support" != yes || test "$build_libtool_libs" = no; then # If there is no dlname, no dlopen support or we're linking # statically, we need to preload. We also need to preload any # dependent libraries so libltdl's deplib preloader doesn't # bomb out in the load deplibs phase. dlprefiles="$dlprefiles $lib $dependency_libs" else newdlfiles="$newdlfiles $lib" fi continue fi # $pass = dlopen # We need an absolute path. case $ladir in [\\/]* | [A-Za-z]:[\\/]*) abs_ladir="$ladir" ;; *) abs_ladir=`cd "$ladir" && pwd` if test -z "$abs_ladir"; then func_warning "cannot determine absolute directory name of \`$ladir'" func_warning "passing it literally to the linker, although it might fail" abs_ladir="$ladir" fi ;; esac func_basename "$lib" laname="$func_basename_result" # Find the relevant object directory and library name. if test "X$installed" = Xyes; then if test ! -f "$libdir/$linklib" && test -f "$abs_ladir/$linklib"; then func_warning "library \`$lib' was moved." dir="$ladir" absdir="$abs_ladir" libdir="$abs_ladir" else dir="$libdir" absdir="$libdir" fi test "X$hardcode_automatic" = Xyes && avoidtemprpath=yes else if test ! -f "$ladir/$objdir/$linklib" && test -f "$abs_ladir/$linklib"; then dir="$ladir" absdir="$abs_ladir" # Remove this search path later notinst_path="$notinst_path $abs_ladir" else dir="$ladir/$objdir" absdir="$abs_ladir/$objdir" # Remove this search path later notinst_path="$notinst_path $abs_ladir" fi fi # $installed = yes func_stripname 'lib' '.la' "$laname" name=$func_stripname_result # This library was specified with -dlpreopen. if test "$pass" = dlpreopen; then if test -z "$libdir" && test "$linkmode" = prog; then func_fatal_error "only libraries may -dlpreopen a convenience library: \`$lib'" fi # Prefer using a static library (so that no silly _DYNAMIC symbols # are required to link). if test -n "$old_library"; then newdlprefiles="$newdlprefiles $dir/$old_library" # Keep a list of preopened convenience libraries to check # that they are being used correctly in the link pass. test -z "$libdir" && \ dlpreconveniencelibs="$dlpreconveniencelibs $dir/$old_library" # Otherwise, use the dlname, so that lt_dlopen finds it. elif test -n "$dlname"; then newdlprefiles="$newdlprefiles $dir/$dlname" else newdlprefiles="$newdlprefiles $dir/$linklib" fi fi # $pass = dlpreopen if test -z "$libdir"; then # Link the convenience library if test "$linkmode" = lib; then deplibs="$dir/$old_library $deplibs" elif test "$linkmode,$pass" = "prog,link"; then compile_deplibs="$dir/$old_library $compile_deplibs" finalize_deplibs="$dir/$old_library $finalize_deplibs" else deplibs="$lib $deplibs" # used for prog,scan pass fi continue fi if test "$linkmode" = prog && test "$pass" != link; then newlib_search_path="$newlib_search_path $ladir" deplibs="$lib $deplibs" linkalldeplibs=no if test "$link_all_deplibs" != no || test -z "$library_names" || test "$build_libtool_libs" = no; then linkalldeplibs=yes fi tmp_libs= for deplib in $dependency_libs; do case $deplib in -L*) func_stripname '-L' '' "$deplib" newlib_search_path="$newlib_search_path $func_stripname_result" ;; esac # Need to link against all dependency_libs? if test "$linkalldeplibs" = yes; then deplibs="$deplib $deplibs" else # Need to hardcode shared library paths # or/and link against static libraries newdependency_libs="$deplib $newdependency_libs" fi if $opt_duplicate_deps ; then case "$tmp_libs " in *" $deplib "*) specialdeplibs="$specialdeplibs $deplib" ;; esac fi tmp_libs="$tmp_libs $deplib" done # for deplib continue fi # $linkmode = prog... if test "$linkmode,$pass" = "prog,link"; then if test -n "$library_names" && { { test "$prefer_static_libs" = no || test "$prefer_static_libs,$installed" = "built,yes"; } || test -z "$old_library"; }; then # We need to hardcode the library path if test -n "$shlibpath_var" && test -z "$avoidtemprpath" ; then # Make sure the rpath contains only unique directories. case "$temp_rpath:" in *"$absdir:"*) ;; *) temp_rpath="$temp_rpath$absdir:" ;; esac fi # Hardcode the library path. # Skip directories that are in the system default run-time # search path. case " $sys_lib_dlsearch_path " in *" $absdir "*) ;; *) case "$compile_rpath " in *" $absdir "*) ;; *) compile_rpath="$compile_rpath $absdir" esac ;; esac case " $sys_lib_dlsearch_path " in *" $libdir "*) ;; *) case "$finalize_rpath " in *" $libdir "*) ;; *) finalize_rpath="$finalize_rpath $libdir" esac ;; esac fi # $linkmode,$pass = prog,link... if test "$alldeplibs" = yes && { test "$deplibs_check_method" = pass_all || { test "$build_libtool_libs" = yes && test -n "$library_names"; }; }; then # We only need to search for static libraries continue fi fi link_static=no # Whether the deplib will be linked statically use_static_libs=$prefer_static_libs if test "$use_static_libs" = built && test "$installed" = yes; then use_static_libs=no fi if test -n "$library_names" && { test "$use_static_libs" = no || test -z "$old_library"; }; then case $host in *cygwin* | *mingw* | *cegcc*) # No point in relinking DLLs because paths are not encoded notinst_deplibs="$notinst_deplibs $lib" need_relink=no ;; *) if test "$installed" = no; then notinst_deplibs="$notinst_deplibs $lib" need_relink=yes fi ;; esac # This is a shared library # Warn about portability, can't link against -module's on some # systems (darwin). Don't bleat about dlopened modules though! dlopenmodule="" for dlpremoduletest in $dlprefiles; do if test "X$dlpremoduletest" = "X$lib"; then dlopenmodule="$dlpremoduletest" break fi done if test -z "$dlopenmodule" && test "$shouldnotlink" = yes && test "$pass" = link; then $ECHO if test "$linkmode" = prog; then $ECHO "*** Warning: Linking the executable $output against the loadable module" else $ECHO "*** Warning: Linking the shared library $output against the loadable module" fi $ECHO "*** $linklib is not portable!" fi if test "$linkmode" = lib && test "$hardcode_into_libs" = yes; then # Hardcode the library path. # Skip directories that are in the system default run-time # search path. case " $sys_lib_dlsearch_path " in *" $absdir "*) ;; *) case "$compile_rpath " in *" $absdir "*) ;; *) compile_rpath="$compile_rpath $absdir" esac ;; esac case " $sys_lib_dlsearch_path " in *" $libdir "*) ;; *) case "$finalize_rpath " in *" $libdir "*) ;; *) finalize_rpath="$finalize_rpath $libdir" esac ;; esac fi if test -n "$old_archive_from_expsyms_cmds"; then # figure out the soname set dummy $library_names shift realname="$1" shift libname=`eval "\\$ECHO \"$libname_spec\""` # use dlname if we got it. it's perfectly good, no? if test -n "$dlname"; then soname="$dlname" elif test -n "$soname_spec"; then # bleh windows case $host in *cygwin* | mingw* | *cegcc*) func_arith $current - $age major=$func_arith_result versuffix="-$major" ;; esac eval soname=\"$soname_spec\" else soname="$realname" fi # Make a new name for the extract_expsyms_cmds to use soroot="$soname" func_basename "$soroot" soname="$func_basename_result" func_stripname 'lib' '.dll' "$soname" newlib=libimp-$func_stripname_result.a # If the library has no export list, then create one now if test -f "$output_objdir/$soname-def"; then : else func_verbose "extracting exported symbol list from \`$soname'" func_execute_cmds "$extract_expsyms_cmds" 'exit $?' fi # Create $newlib if test -f "$output_objdir/$newlib"; then :; else func_verbose "generating import library for \`$soname'" func_execute_cmds "$old_archive_from_expsyms_cmds" 'exit $?' fi # make sure the library variables are pointing to the new library dir=$output_objdir linklib=$newlib fi # test -n "$old_archive_from_expsyms_cmds" if test "$linkmode" = prog || test "$mode" != relink; then add_shlibpath= add_dir= add= lib_linked=yes case $hardcode_action in immediate | unsupported) if test "$hardcode_direct" = no; then add="$dir/$linklib" case $host in *-*-sco3.2v5.0.[024]*) add_dir="-L$dir" ;; *-*-sysv4*uw2*) add_dir="-L$dir" ;; *-*-sysv5OpenUNIX* | *-*-sysv5UnixWare7.[01].[10]* | \ *-*-unixware7*) add_dir="-L$dir" ;; *-*-darwin* ) # if the lib is a (non-dlopened) module then we can not # link against it, someone is ignoring the earlier warnings if /usr/bin/file -L $add 2> /dev/null | $GREP ": [^:]* bundle" >/dev/null ; then if test "X$dlopenmodule" != "X$lib"; then $ECHO "*** Warning: lib $linklib is a module, not a shared library" if test -z "$old_library" ; then $ECHO $ECHO "*** And there doesn't seem to be a static archive available" $ECHO "*** The link will probably fail, sorry" else add="$dir/$old_library" fi elif test -n "$old_library"; then add="$dir/$old_library" fi fi esac elif test "$hardcode_minus_L" = no; then case $host in *-*-sunos*) add_shlibpath="$dir" ;; esac add_dir="-L$dir" add="-l$name" elif test "$hardcode_shlibpath_var" = no; then add_shlibpath="$dir" add="-l$name" else lib_linked=no fi ;; relink) if test "$hardcode_direct" = yes && test "$hardcode_direct_absolute" = no; then add="$dir/$linklib" elif test "$hardcode_minus_L" = yes; then add_dir="-L$dir" # Try looking first in the location we're being installed to. if test -n "$inst_prefix_dir"; then case $libdir in [\\/]*) add_dir="$add_dir -L$inst_prefix_dir$libdir" ;; esac fi add="-l$name" elif test "$hardcode_shlibpath_var" = yes; then add_shlibpath="$dir" add="-l$name" else lib_linked=no fi ;; *) lib_linked=no ;; esac if test "$lib_linked" != yes; then func_fatal_configuration "unsupported hardcode properties" fi if test -n "$add_shlibpath"; then case :$compile_shlibpath: in *":$add_shlibpath:"*) ;; *) compile_shlibpath="$compile_shlibpath$add_shlibpath:" ;; esac fi if test "$linkmode" = prog; then test -n "$add_dir" && compile_deplibs="$add_dir $compile_deplibs" test -n "$add" && compile_deplibs="$add $compile_deplibs" else test -n "$add_dir" && deplibs="$add_dir $deplibs" test -n "$add" && deplibs="$add $deplibs" if test "$hardcode_direct" != yes && test "$hardcode_minus_L" != yes && test "$hardcode_shlibpath_var" = yes; then case :$finalize_shlibpath: in *":$libdir:"*) ;; *) finalize_shlibpath="$finalize_shlibpath$libdir:" ;; esac fi fi fi if test "$linkmode" = prog || test "$mode" = relink; then add_shlibpath= add_dir= add= # Finalize command for both is simple: just hardcode it. if test "$hardcode_direct" = yes && test "$hardcode_direct_absolute" = no; then add="$libdir/$linklib" elif test "$hardcode_minus_L" = yes; then add_dir="-L$libdir" add="-l$name" elif test "$hardcode_shlibpath_var" = yes; then case :$finalize_shlibpath: in *":$libdir:"*) ;; *) finalize_shlibpath="$finalize_shlibpath$libdir:" ;; esac add="-l$name" elif test "$hardcode_automatic" = yes; then if test -n "$inst_prefix_dir" && test -f "$inst_prefix_dir$libdir/$linklib" ; then add="$inst_prefix_dir$libdir/$linklib" else add="$libdir/$linklib" fi else # We cannot seem to hardcode it, guess we'll fake it. add_dir="-L$libdir" # Try looking first in the location we're being installed to. if test -n "$inst_prefix_dir"; then case $libdir in [\\/]*) add_dir="$add_dir -L$inst_prefix_dir$libdir" ;; esac fi add="-l$name" fi if test "$linkmode" = prog; then test -n "$add_dir" && finalize_deplibs="$add_dir $finalize_deplibs" test -n "$add" && finalize_deplibs="$add $finalize_deplibs" else test -n "$add_dir" && deplibs="$add_dir $deplibs" test -n "$add" && deplibs="$add $deplibs" fi fi elif test "$linkmode" = prog; then # Here we assume that one of hardcode_direct or hardcode_minus_L # is not unsupported. This is valid on all known static and # shared platforms. if test "$hardcode_direct" != unsupported; then test -n "$old_library" && linklib="$old_library" compile_deplibs="$dir/$linklib $compile_deplibs" finalize_deplibs="$dir/$linklib $finalize_deplibs" else compile_deplibs="-l$name -L$dir $compile_deplibs" finalize_deplibs="-l$name -L$dir $finalize_deplibs" fi elif test "$build_libtool_libs" = yes; then # Not a shared library if test "$deplibs_check_method" != pass_all; then # We're trying link a shared library against a static one # but the system doesn't support it. # Just print a warning and add the library to dependency_libs so # that the program can be linked against the static library. $ECHO $ECHO "*** Warning: This system can not link to static lib archive $lib." $ECHO "*** I have the capability to make that library automatically link in when" $ECHO "*** you link to this library. But I can only do this if you have a" $ECHO "*** shared version of the library, which you do not appear to have." if test "$module" = yes; then $ECHO "*** But as you try to build a module library, libtool will still create " $ECHO "*** a static module, that should work as long as the dlopening application" $ECHO "*** is linked with the -dlopen flag to resolve symbols at runtime." if test -z "$global_symbol_pipe"; then $ECHO $ECHO "*** However, this would only work if libtool was able to extract symbol" $ECHO "*** lists from a program, using \`nm' or equivalent, but libtool could" $ECHO "*** not find such a program. So, this module is probably useless." $ECHO "*** \`nm' from GNU binutils and a full rebuild may help." fi if test "$build_old_libs" = no; then build_libtool_libs=module build_old_libs=yes else build_libtool_libs=no fi fi else deplibs="$dir/$old_library $deplibs" link_static=yes fi fi # link shared/static library? if test "$linkmode" = lib; then if test -n "$dependency_libs" && { test "$hardcode_into_libs" != yes || test "$build_old_libs" = yes || test "$link_static" = yes; }; then # Extract -R from dependency_libs temp_deplibs= for libdir in $dependency_libs; do case $libdir in -R*) func_stripname '-R' '' "$libdir" temp_xrpath=$func_stripname_result case " $xrpath " in *" $temp_xrpath "*) ;; *) xrpath="$xrpath $temp_xrpath";; esac;; *) temp_deplibs="$temp_deplibs $libdir";; esac done dependency_libs="$temp_deplibs" fi newlib_search_path="$newlib_search_path $absdir" # Link against this library test "$link_static" = no && newdependency_libs="$abs_ladir/$laname $newdependency_libs" # ... and its dependency_libs tmp_libs= for deplib in $dependency_libs; do newdependency_libs="$deplib $newdependency_libs" if $opt_duplicate_deps ; then case "$tmp_libs " in *" $deplib "*) specialdeplibs="$specialdeplibs $deplib" ;; esac fi tmp_libs="$tmp_libs $deplib" done if test "$link_all_deplibs" != no; then # Add the search paths of all dependency libraries for deplib in $dependency_libs; do path= case $deplib in -L*) path="$deplib" ;; *.la) func_dirname "$deplib" "" "." dir="$func_dirname_result" # We need an absolute path. case $dir in [\\/]* | [A-Za-z]:[\\/]*) absdir="$dir" ;; *) absdir=`cd "$dir" && pwd` if test -z "$absdir"; then func_warning "cannot determine absolute directory name of \`$dir'" absdir="$dir" fi ;; esac if $GREP "^installed=no" $deplib > /dev/null; then case $host in *-*-darwin*) depdepl= eval deplibrary_names=`${SED} -n -e 's/^library_names=\(.*\)$/\1/p' $deplib` if test -n "$deplibrary_names" ; then for tmp in $deplibrary_names ; do depdepl=$tmp done if test -f "$absdir/$objdir/$depdepl" ; then depdepl="$absdir/$objdir/$depdepl" darwin_install_name=`${OTOOL} -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'` if test -z "$darwin_install_name"; then darwin_install_name=`${OTOOL64} -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'` fi compiler_flags="$compiler_flags ${wl}-dylib_file ${wl}${darwin_install_name}:${depdepl}" linker_flags="$linker_flags -dylib_file ${darwin_install_name}:${depdepl}" path= fi fi ;; *) path="-L$absdir/$objdir" ;; esac else eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $deplib` test -z "$libdir" && \ func_fatal_error "\`$deplib' is not a valid libtool archive" test "$absdir" != "$libdir" && \ func_warning "\`$deplib' seems to be moved" path="-L$absdir" fi ;; esac case " $deplibs " in *" $path "*) ;; *) deplibs="$path $deplibs" ;; esac done fi # link_all_deplibs != no fi # linkmode = lib done # for deplib in $libs if test "$pass" = link; then if test "$linkmode" = "prog"; then compile_deplibs="$new_inherited_linker_flags $compile_deplibs" finalize_deplibs="$new_inherited_linker_flags $finalize_deplibs" else compiler_flags="$compiler_flags "`$ECHO "X $new_inherited_linker_flags" | $Xsed -e 's% \([^ $]*\).ltframework% -framework \1%g'` fi fi dependency_libs="$newdependency_libs" if test "$pass" = dlpreopen; then # Link the dlpreopened libraries before other libraries for deplib in $save_deplibs; do deplibs="$deplib $deplibs" done fi if test "$pass" != dlopen; then if test "$pass" != conv; then # Make sure lib_search_path contains only unique directories. lib_search_path= for dir in $newlib_search_path; do case "$lib_search_path " in *" $dir "*) ;; *) lib_search_path="$lib_search_path $dir" ;; esac done newlib_search_path= fi if test "$linkmode,$pass" != "prog,link"; then vars="deplibs" else vars="compile_deplibs finalize_deplibs" fi for var in $vars dependency_libs; do # Add libraries to $var in reverse order eval tmp_libs=\"\$$var\" new_libs= for deplib in $tmp_libs; do # FIXME: Pedantically, this is the right thing to do, so # that some nasty dependency loop isn't accidentally # broken: #new_libs="$deplib $new_libs" # Pragmatically, this seems to cause very few problems in # practice: case $deplib in -L*) new_libs="$deplib $new_libs" ;; -R*) ;; *) # And here is the reason: when a library appears more # than once as an explicit dependence of a library, or # is implicitly linked in more than once by the # compiler, it is considered special, and multiple # occurrences thereof are not removed. Compare this # with having the same library being listed as a # dependency of multiple other libraries: in this case, # we know (pedantically, we assume) the library does not # need to be listed more than once, so we keep only the # last copy. This is not always right, but it is rare # enough that we require users that really mean to play # such unportable linking tricks to link the library # using -Wl,-lname, so that libtool does not consider it # for duplicate removal. case " $specialdeplibs " in *" $deplib "*) new_libs="$deplib $new_libs" ;; *) case " $new_libs " in *" $deplib "*) ;; *) new_libs="$deplib $new_libs" ;; esac ;; esac ;; esac done tmp_libs= for deplib in $new_libs; do case $deplib in -L*) case " $tmp_libs " in *" $deplib "*) ;; *) tmp_libs="$tmp_libs $deplib" ;; esac ;; *) tmp_libs="$tmp_libs $deplib" ;; esac done eval $var=\"$tmp_libs\" done # for var fi # Last step: remove runtime libs from dependency_libs # (they stay in deplibs) tmp_libs= for i in $dependency_libs ; do case " $predeps $postdeps $compiler_lib_search_path " in *" $i "*) i="" ;; esac if test -n "$i" ; then tmp_libs="$tmp_libs $i" fi done dependency_libs=$tmp_libs done # for pass if test "$linkmode" = prog; then dlfiles="$newdlfiles" fi if test "$linkmode" = prog || test "$linkmode" = lib; then dlprefiles="$newdlprefiles" fi case $linkmode in oldlib) if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then func_warning "\`-dlopen' is ignored for archives" fi case " $deplibs" in *\ -l* | *\ -L*) func_warning "\`-l' and \`-L' are ignored for archives" ;; esac test -n "$rpath" && \ func_warning "\`-rpath' is ignored for archives" test -n "$xrpath" && \ func_warning "\`-R' is ignored for archives" test -n "$vinfo" && \ func_warning "\`-version-info/-version-number' is ignored for archives" test -n "$release" && \ func_warning "\`-release' is ignored for archives" test -n "$export_symbols$export_symbols_regex" && \ func_warning "\`-export-symbols' is ignored for archives" # Now set the variables for building old libraries. build_libtool_libs=no oldlibs="$output" objs="$objs$old_deplibs" ;; lib) # Make sure we only generate libraries of the form `libNAME.la'. case $outputname in lib*) func_stripname 'lib' '.la' "$outputname" name=$func_stripname_result eval shared_ext=\"$shrext_cmds\" eval libname=\"$libname_spec\" ;; *) test "$module" = no && \ func_fatal_help "libtool library \`$output' must begin with \`lib'" if test "$need_lib_prefix" != no; then # Add the "lib" prefix for modules if required func_stripname '' '.la' "$outputname" name=$func_stripname_result eval shared_ext=\"$shrext_cmds\" eval libname=\"$libname_spec\" else func_stripname '' '.la' "$outputname" libname=$func_stripname_result fi ;; esac if test -n "$objs"; then if test "$deplibs_check_method" != pass_all; then func_fatal_error "cannot build libtool library \`$output' from non-libtool objects on this host:$objs" else $ECHO $ECHO "*** Warning: Linking the shared library $output against the non-libtool" $ECHO "*** objects $objs is not portable!" libobjs="$libobjs $objs" fi fi test "$dlself" != no && \ func_warning "\`-dlopen self' is ignored for libtool libraries" set dummy $rpath shift test "$#" -gt 1 && \ func_warning "ignoring multiple \`-rpath's for a libtool library" install_libdir="$1" oldlibs= if test -z "$rpath"; then if test "$build_libtool_libs" = yes; then # Building a libtool convenience library. # Some compilers have problems with a `.al' extension so # convenience libraries should have the same extension an # archive normally would. oldlibs="$output_objdir/$libname.$libext $oldlibs" build_libtool_libs=convenience build_old_libs=yes fi test -n "$vinfo" && \ func_warning "\`-version-info/-version-number' is ignored for convenience libraries" test -n "$release" && \ func_warning "\`-release' is ignored for convenience libraries" else # Parse the version information argument. save_ifs="$IFS"; IFS=':' set dummy $vinfo 0 0 0 shift IFS="$save_ifs" test -n "$7" && \ func_fatal_help "too many parameters to \`-version-info'" # convert absolute version numbers to libtool ages # this retains compatibility with .la files and attempts # to make the code below a bit more comprehensible case $vinfo_number in yes) number_major="$1" number_minor="$2" number_revision="$3" # # There are really only two kinds -- those that # use the current revision as the major version # and those that subtract age and use age as # a minor version. But, then there is irix # which has an extra 1 added just for fun # case $version_type in darwin|linux|osf|windows|none) func_arith $number_major + $number_minor current=$func_arith_result age="$number_minor" revision="$number_revision" ;; freebsd-aout|freebsd-elf|sunos) current="$number_major" revision="$number_minor" age="0" ;; irix|nonstopux) func_arith $number_major + $number_minor current=$func_arith_result age="$number_minor" revision="$number_minor" lt_irix_increment=no ;; *) func_fatal_configuration "$modename: unknown library version type \`$version_type'" ;; esac ;; no) current="$1" revision="$2" age="$3" ;; esac # Check that each of the things are valid numbers. case $current in 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; *) func_error "CURRENT \`$current' must be a nonnegative integer" func_fatal_error "\`$vinfo' is not valid version information" ;; esac case $revision in 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; *) func_error "REVISION \`$revision' must be a nonnegative integer" func_fatal_error "\`$vinfo' is not valid version information" ;; esac case $age in 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; *) func_error "AGE \`$age' must be a nonnegative integer" func_fatal_error "\`$vinfo' is not valid version information" ;; esac if test "$age" -gt "$current"; then func_error "AGE \`$age' is greater than the current interface number \`$current'" func_fatal_error "\`$vinfo' is not valid version information" fi # Calculate the version variables. major= versuffix= verstring= case $version_type in none) ;; darwin) # Like Linux, but with the current version available in # verstring for coding it into the library header func_arith $current - $age major=.$func_arith_result versuffix="$major.$age.$revision" # Darwin ld doesn't like 0 for these options... func_arith $current + 1 minor_current=$func_arith_result xlcverstring="${wl}-compatibility_version ${wl}$minor_current ${wl}-current_version ${wl}$minor_current.$revision" verstring="-compatibility_version $minor_current -current_version $minor_current.$revision" ;; freebsd-aout) major=".$current" versuffix=".$current.$revision"; ;; freebsd-elf) major=".$current" versuffix=".$current" ;; irix | nonstopux) if test "X$lt_irix_increment" = "Xno"; then func_arith $current - $age else func_arith $current - $age + 1 fi major=$func_arith_result case $version_type in nonstopux) verstring_prefix=nonstopux ;; *) verstring_prefix=sgi ;; esac verstring="$verstring_prefix$major.$revision" # Add in all the interfaces that we are compatible with. loop=$revision while test "$loop" -ne 0; do func_arith $revision - $loop iface=$func_arith_result func_arith $loop - 1 loop=$func_arith_result verstring="$verstring_prefix$major.$iface:$verstring" done # Before this point, $major must not contain `.'. major=.$major versuffix="$major.$revision" ;; linux) func_arith $current - $age major=.$func_arith_result versuffix="$major.$age.$revision" ;; osf) func_arith $current - $age major=.$func_arith_result versuffix=".$current.$age.$revision" verstring="$current.$age.$revision" # Add in all the interfaces that we are compatible with. loop=$age while test "$loop" -ne 0; do func_arith $current - $loop iface=$func_arith_result func_arith $loop - 1 loop=$func_arith_result verstring="$verstring:${iface}.0" done # Make executables depend on our current version. verstring="$verstring:${current}.0" ;; qnx) major=".$current" versuffix=".$current" ;; sunos) major=".$current" versuffix=".$current.$revision" ;; windows) # Use '-' rather than '.', since we only want one # extension on DOS 8.3 filesystems. func_arith $current - $age major=$func_arith_result versuffix="-$major" ;; *) func_fatal_configuration "unknown library version type \`$version_type'" ;; esac # Clear the version info if we defaulted, and they specified a release. if test -z "$vinfo" && test -n "$release"; then major= case $version_type in darwin) # we can't check for "0.0" in archive_cmds due to quoting # problems, so we reset it completely verstring= ;; *) verstring="0.0" ;; esac if test "$need_version" = no; then versuffix= else versuffix=".0.0" fi fi # Remove version info from name if versioning should be avoided if test "$avoid_version" = yes && test "$need_version" = no; then major= versuffix= verstring="" fi # Check to see if the archive will have undefined symbols. if test "$allow_undefined" = yes; then if test "$allow_undefined_flag" = unsupported; then func_warning "undefined symbols not allowed in $host shared libraries" build_libtool_libs=no build_old_libs=yes fi else # Don't allow undefined symbols. allow_undefined_flag="$no_undefined_flag" fi fi func_generate_dlsyms "$libname" "$libname" "yes" libobjs="$libobjs $symfileobj" test "X$libobjs" = "X " && libobjs= if test "$mode" != relink; then # Remove our outputs, but don't remove object files since they # may have been created when compiling PIC objects. removelist= tempremovelist=`$ECHO "$output_objdir/*"` for p in $tempremovelist; do case $p in *.$objext | *.gcno) ;; $output_objdir/$outputname | $output_objdir/$libname.* | $output_objdir/${libname}${release}.*) if test "X$precious_files_regex" != "X"; then if $ECHO "$p" | $EGREP -e "$precious_files_regex" >/dev/null 2>&1 then continue fi fi removelist="$removelist $p" ;; *) ;; esac done test -n "$removelist" && \ func_show_eval "${RM}r \$removelist" fi # Now set the variables for building old libraries. if test "$build_old_libs" = yes && test "$build_libtool_libs" != convenience ; then oldlibs="$oldlibs $output_objdir/$libname.$libext" # Transform .lo files to .o files. oldobjs="$objs "`$ECHO "X$libobjs" | $SP2NL | $Xsed -e '/\.'${libext}'$/d' -e "$lo2o" | $NL2SP` fi # Eliminate all temporary directories. #for path in $notinst_path; do # lib_search_path=`$ECHO "X$lib_search_path " | $Xsed -e "s% $path % %g"` # deplibs=`$ECHO "X$deplibs " | $Xsed -e "s% -L$path % %g"` # dependency_libs=`$ECHO "X$dependency_libs " | $Xsed -e "s% -L$path % %g"` #done if test -n "$xrpath"; then # If the user specified any rpath flags, then add them. temp_xrpath= for libdir in $xrpath; do temp_xrpath="$temp_xrpath -R$libdir" case "$finalize_rpath " in *" $libdir "*) ;; *) finalize_rpath="$finalize_rpath $libdir" ;; esac done if test "$hardcode_into_libs" != yes || test "$build_old_libs" = yes; then dependency_libs="$temp_xrpath $dependency_libs" fi fi # Make sure dlfiles contains only unique files that won't be dlpreopened old_dlfiles="$dlfiles" dlfiles= for lib in $old_dlfiles; do case " $dlprefiles $dlfiles " in *" $lib "*) ;; *) dlfiles="$dlfiles $lib" ;; esac done # Make sure dlprefiles contains only unique files old_dlprefiles="$dlprefiles" dlprefiles= for lib in $old_dlprefiles; do case "$dlprefiles " in *" $lib "*) ;; *) dlprefiles="$dlprefiles $lib" ;; esac done if test "$build_libtool_libs" = yes; then if test -n "$rpath"; then case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-beos* | *-cegcc*) # these systems don't actually have a c library (as such)! ;; *-*-rhapsody* | *-*-darwin1.[012]) # Rhapsody C library is in the System framework deplibs="$deplibs System.ltframework" ;; *-*-netbsd*) # Don't link with libc until the a.out ld.so is fixed. ;; *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*) # Do not include libc due to us having libc/libc_r. ;; *-*-sco3.2v5* | *-*-sco5v6*) # Causes problems with __ctype ;; *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*) # Compiler inserts libc in the correct place for threads to work ;; *) # Add libc to deplibs on all other systems if necessary. if test "$build_libtool_need_lc" = "yes"; then deplibs="$deplibs -lc" fi ;; esac fi # Transform deplibs into only deplibs that can be linked in shared. name_save=$name libname_save=$libname release_save=$release versuffix_save=$versuffix major_save=$major # I'm not sure if I'm treating the release correctly. I think # release should show up in the -l (ie -lgmp5) so we don't want to # add it in twice. Is that correct? release="" versuffix="" major="" newdeplibs= droppeddeps=no case $deplibs_check_method in pass_all) # Don't check for shared/static. Everything works. # This might be a little naive. We might want to check # whether the library exists or not. But this is on # osf3 & osf4 and I'm not really sure... Just # implementing what was already the behavior. newdeplibs=$deplibs ;; test_compile) # This code stresses the "libraries are programs" paradigm to its # limits. Maybe even breaks it. We compile a program, linking it # against the deplibs as a proxy for the library. Then we can check # whether they linked in statically or dynamically with ldd. $opt_dry_run || $RM conftest.c cat > conftest.c </dev/null` for potent_lib in $potential_libs; do # Follow soft links. if ls -lLd "$potent_lib" 2>/dev/null | $GREP " -> " >/dev/null; then continue fi # The statement above tries to avoid entering an # endless loop below, in case of cyclic links. # We might still enter an endless loop, since a link # loop can be closed while we follow links, # but so what? potlib="$potent_lib" while test -h "$potlib" 2>/dev/null; do potliblink=`ls -ld $potlib | ${SED} 's/.* -> //'` case $potliblink in [\\/]* | [A-Za-z]:[\\/]*) potlib="$potliblink";; *) potlib=`$ECHO "X$potlib" | $Xsed -e 's,[^/]*$,,'`"$potliblink";; esac done if eval $file_magic_cmd \"\$potlib\" 2>/dev/null | $SED -e 10q | $EGREP "$file_magic_regex" > /dev/null; then newdeplibs="$newdeplibs $a_deplib" a_deplib="" break 2 fi done done fi if test -n "$a_deplib" ; then droppeddeps=yes $ECHO $ECHO "*** Warning: linker path does not have real file for library $a_deplib." $ECHO "*** I have the capability to make that library automatically link in when" $ECHO "*** you link to this library. But I can only do this if you have a" $ECHO "*** shared version of the library, which you do not appear to have" $ECHO "*** because I did check the linker path looking for a file starting" if test -z "$potlib" ; then $ECHO "*** with $libname but no candidates were found. (...for file magic test)" else $ECHO "*** with $libname and none of the candidates passed a file format test" $ECHO "*** using a file magic. Last file checked: $potlib" fi fi ;; *) # Add a -L argument. newdeplibs="$newdeplibs $a_deplib" ;; esac done # Gone through all deplibs. ;; match_pattern*) set dummy $deplibs_check_method; shift match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"` for a_deplib in $deplibs; do case $a_deplib in -l*) func_stripname -l '' "$a_deplib" name=$func_stripname_result if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then case " $predeps $postdeps " in *" $a_deplib "*) newdeplibs="$newdeplibs $a_deplib" a_deplib="" ;; esac fi if test -n "$a_deplib" ; then libname=`eval "\\$ECHO \"$libname_spec\""` for i in $lib_search_path $sys_lib_search_path $shlib_search_path; do potential_libs=`ls $i/$libname[.-]* 2>/dev/null` for potent_lib in $potential_libs; do potlib="$potent_lib" # see symlink-check above in file_magic test if eval "\$ECHO \"X$potent_lib\"" 2>/dev/null | $Xsed -e 10q | \ $EGREP "$match_pattern_regex" > /dev/null; then newdeplibs="$newdeplibs $a_deplib" a_deplib="" break 2 fi done done fi if test -n "$a_deplib" ; then droppeddeps=yes $ECHO $ECHO "*** Warning: linker path does not have real file for library $a_deplib." $ECHO "*** I have the capability to make that library automatically link in when" $ECHO "*** you link to this library. But I can only do this if you have a" $ECHO "*** shared version of the library, which you do not appear to have" $ECHO "*** because I did check the linker path looking for a file starting" if test -z "$potlib" ; then $ECHO "*** with $libname but no candidates were found. (...for regex pattern test)" else $ECHO "*** with $libname and none of the candidates passed a file format test" $ECHO "*** using a regex pattern. Last file checked: $potlib" fi fi ;; *) # Add a -L argument. newdeplibs="$newdeplibs $a_deplib" ;; esac done # Gone through all deplibs. ;; none | unknown | *) newdeplibs="" tmp_deplibs=`$ECHO "X $deplibs" | $Xsed \ -e 's/ -lc$//' -e 's/ -[LR][^ ]*//g'` if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then for i in $predeps $postdeps ; do # can't use Xsed below, because $i might contain '/' tmp_deplibs=`$ECHO "X $tmp_deplibs" | $Xsed -e "s,$i,,"` done fi if $ECHO "X $tmp_deplibs" | $Xsed -e 's/[ ]//g' | $GREP . >/dev/null; then $ECHO if test "X$deplibs_check_method" = "Xnone"; then $ECHO "*** Warning: inter-library dependencies are not supported in this platform." else $ECHO "*** Warning: inter-library dependencies are not known to be supported." fi $ECHO "*** All declared inter-library dependencies are being dropped." droppeddeps=yes fi ;; esac versuffix=$versuffix_save major=$major_save release=$release_save libname=$libname_save name=$name_save case $host in *-*-rhapsody* | *-*-darwin1.[012]) # On Rhapsody replace the C library with the System framework newdeplibs=`$ECHO "X $newdeplibs" | $Xsed -e 's/ -lc / System.ltframework /'` ;; esac if test "$droppeddeps" = yes; then if test "$module" = yes; then $ECHO $ECHO "*** Warning: libtool could not satisfy all declared inter-library" $ECHO "*** dependencies of module $libname. Therefore, libtool will create" $ECHO "*** a static module, that should work as long as the dlopening" $ECHO "*** application is linked with the -dlopen flag." if test -z "$global_symbol_pipe"; then $ECHO $ECHO "*** However, this would only work if libtool was able to extract symbol" $ECHO "*** lists from a program, using \`nm' or equivalent, but libtool could" $ECHO "*** not find such a program. So, this module is probably useless." $ECHO "*** \`nm' from GNU binutils and a full rebuild may help." fi if test "$build_old_libs" = no; then oldlibs="$output_objdir/$libname.$libext" build_libtool_libs=module build_old_libs=yes else build_libtool_libs=no fi else $ECHO "*** The inter-library dependencies that have been dropped here will be" $ECHO "*** automatically added whenever a program is linked with this library" $ECHO "*** or is declared to -dlopen it." if test "$allow_undefined" = no; then $ECHO $ECHO "*** Since this library must not contain undefined symbols," $ECHO "*** because either the platform does not support them or" $ECHO "*** it was explicitly requested with -no-undefined," $ECHO "*** libtool will only create a static version of it." if test "$build_old_libs" = no; then oldlibs="$output_objdir/$libname.$libext" build_libtool_libs=module build_old_libs=yes else build_libtool_libs=no fi fi fi fi # Done checking deplibs! deplibs=$newdeplibs fi # Time to change all our "foo.ltframework" stuff back to "-framework foo" case $host in *-*-darwin*) newdeplibs=`$ECHO "X $newdeplibs" | $Xsed -e 's% \([^ $]*\).ltframework% -framework \1%g'` new_inherited_linker_flags=`$ECHO "X $new_inherited_linker_flags" | $Xsed -e 's% \([^ $]*\).ltframework% -framework \1%g'` deplibs=`$ECHO "X $deplibs" | $Xsed -e 's% \([^ $]*\).ltframework% -framework \1%g'` ;; esac # move library search paths that coincide with paths to not yet # installed libraries to the beginning of the library search list new_libs= for path in $notinst_path; do case " $new_libs " in *" -L$path/$objdir "*) ;; *) case " $deplibs " in *" -L$path/$objdir "*) new_libs="$new_libs -L$path/$objdir" ;; esac ;; esac done for deplib in $deplibs; do case $deplib in -L*) case " $new_libs " in *" $deplib "*) ;; *) new_libs="$new_libs $deplib" ;; esac ;; *) new_libs="$new_libs $deplib" ;; esac done deplibs="$new_libs" # All the library-specific variables (install_libdir is set above). library_names= old_library= dlname= # Test again, we may have decided not to build it any more if test "$build_libtool_libs" = yes; then if test "$hardcode_into_libs" = yes; then # Hardcode the library paths hardcode_libdirs= dep_rpath= rpath="$finalize_rpath" test "$mode" != relink && rpath="$compile_rpath$rpath" for libdir in $rpath; do if test -n "$hardcode_libdir_flag_spec"; then if test -n "$hardcode_libdir_separator"; then if test -z "$hardcode_libdirs"; then hardcode_libdirs="$libdir" else # Just accumulate the unique libdirs. case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) ;; *) hardcode_libdirs="$hardcode_libdirs$hardcode_libdir_separator$libdir" ;; esac fi else eval flag=\"$hardcode_libdir_flag_spec\" dep_rpath="$dep_rpath $flag" fi elif test -n "$runpath_var"; then case "$perm_rpath " in *" $libdir "*) ;; *) perm_rpath="$perm_rpath $libdir" ;; esac fi done # Substitute the hardcoded libdirs into the rpath. if test -n "$hardcode_libdir_separator" && test -n "$hardcode_libdirs"; then libdir="$hardcode_libdirs" if test -n "$hardcode_libdir_flag_spec_ld"; then eval dep_rpath=\"$hardcode_libdir_flag_spec_ld\" else eval dep_rpath=\"$hardcode_libdir_flag_spec\" fi fi if test -n "$runpath_var" && test -n "$perm_rpath"; then # We should set the runpath_var. rpath= for dir in $perm_rpath; do rpath="$rpath$dir:" done eval "$runpath_var='$rpath\$$runpath_var'; export $runpath_var" fi test -n "$dep_rpath" && deplibs="$dep_rpath $deplibs" fi shlibpath="$finalize_shlibpath" test "$mode" != relink && shlibpath="$compile_shlibpath$shlibpath" if test -n "$shlibpath"; then eval "$shlibpath_var='$shlibpath\$$shlibpath_var'; export $shlibpath_var" fi # Get the real and link names of the library. eval shared_ext=\"$shrext_cmds\" eval library_names=\"$library_names_spec\" set dummy $library_names shift realname="$1" shift if test -n "$soname_spec"; then eval soname=\"$soname_spec\" else soname="$realname" fi if test -z "$dlname"; then dlname=$soname fi lib="$output_objdir/$realname" linknames= for link do linknames="$linknames $link" done # Use standard objects if they are pic test -z "$pic_flag" && libobjs=`$ECHO "X$libobjs" | $SP2NL | $Xsed -e "$lo2o" | $NL2SP` test "X$libobjs" = "X " && libobjs= delfiles= if test -n "$export_symbols" && test -n "$include_expsyms"; then $opt_dry_run || cp "$export_symbols" "$output_objdir/$libname.uexp" export_symbols="$output_objdir/$libname.uexp" delfiles="$delfiles $export_symbols" fi orig_export_symbols= case $host_os in cygwin* | mingw* | cegcc*) if test -n "$export_symbols" && test -z "$export_symbols_regex"; then # exporting using user supplied symfile if test "x`$SED 1q $export_symbols`" != xEXPORTS; then # and it's NOT already a .def file. Must figure out # which of the given symbols are data symbols and tag # them as such. So, trigger use of export_symbols_cmds. # export_symbols gets reassigned inside the "prepare # the list of exported symbols" if statement, so the # include_expsyms logic still works. orig_export_symbols="$export_symbols" export_symbols= always_export_symbols=yes fi fi ;; esac # Prepare the list of exported symbols if test -z "$export_symbols"; then if test "$always_export_symbols" = yes || test -n "$export_symbols_regex"; then func_verbose "generating symbol list for \`$libname.la'" export_symbols="$output_objdir/$libname.exp" $opt_dry_run || $RM $export_symbols cmds=$export_symbols_cmds save_ifs="$IFS"; IFS='~' for cmd in $cmds; do IFS="$save_ifs" eval cmd=\"$cmd\" func_len " $cmd" len=$func_len_result if test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then func_show_eval "$cmd" 'exit $?' skipped_export=false else # The command line is too long to execute in one step. func_verbose "using reloadable object file for export list..." skipped_export=: # Break out early, otherwise skipped_export may be # set to false by a later but shorter cmd. break fi done IFS="$save_ifs" if test -n "$export_symbols_regex" && test "X$skipped_export" != "X:"; then func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' func_show_eval '$MV "${export_symbols}T" "$export_symbols"' fi fi fi if test -n "$export_symbols" && test -n "$include_expsyms"; then tmp_export_symbols="$export_symbols" test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols" $opt_dry_run || eval '$ECHO "X$include_expsyms" | $Xsed | $SP2NL >> "$tmp_export_symbols"' fi if test "X$skipped_export" != "X:" && test -n "$orig_export_symbols"; then # The given exports_symbols file has to be filtered, so filter it. func_verbose "filter symbol list for \`$libname.la' to tag DATA exports" # FIXME: $output_objdir/$libname.filter potentially contains lots of # 's' commands which not all seds can handle. GNU sed should be fine # though. Also, the filter scales superlinearly with the number of # global variables. join(1) would be nice here, but unfortunately # isn't a blessed tool. $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter delfiles="$delfiles $export_symbols $output_objdir/$libname.filter" export_symbols=$output_objdir/$libname.def $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols fi tmp_deplibs= for test_deplib in $deplibs; do case " $convenience " in *" $test_deplib "*) ;; *) tmp_deplibs="$tmp_deplibs $test_deplib" ;; esac done deplibs="$tmp_deplibs" if test -n "$convenience"; then if test -n "$whole_archive_flag_spec" && test "$compiler_needs_object" = yes && test -z "$libobjs"; then # extract the archives, so we have objects to list. # TODO: could optimize this to just extract one archive. whole_archive_flag_spec= fi if test -n "$whole_archive_flag_spec"; then save_libobjs=$libobjs eval libobjs=\"\$libobjs $whole_archive_flag_spec\" test "X$libobjs" = "X " && libobjs= else gentop="$output_objdir/${outputname}x" generated="$generated $gentop" func_extract_archives $gentop $convenience libobjs="$libobjs $func_extract_archives_result" test "X$libobjs" = "X " && libobjs= fi fi if test "$thread_safe" = yes && test -n "$thread_safe_flag_spec"; then eval flag=\"$thread_safe_flag_spec\" linker_flags="$linker_flags $flag" fi # Make a backup of the uninstalled library when relinking if test "$mode" = relink; then $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}U && $MV $realname ${realname}U)' || exit $? fi # Do each of the archive commands. if test "$module" = yes && test -n "$module_cmds" ; then if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then eval test_cmds=\"$module_expsym_cmds\" cmds=$module_expsym_cmds else eval test_cmds=\"$module_cmds\" cmds=$module_cmds fi else if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then eval test_cmds=\"$archive_expsym_cmds\" cmds=$archive_expsym_cmds else eval test_cmds=\"$archive_cmds\" cmds=$archive_cmds fi fi if test "X$skipped_export" != "X:" && func_len " $test_cmds" && len=$func_len_result && test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then : else # The command line is too long to link in one step, link piecewise # or, if using GNU ld and skipped_export is not :, use a linker # script. # Save the value of $output and $libobjs because we want to # use them later. If we have whole_archive_flag_spec, we # want to use save_libobjs as it was before # whole_archive_flag_spec was expanded, because we can't # assume the linker understands whole_archive_flag_spec. # This may have to be revisited, in case too many # convenience libraries get linked in and end up exceeding # the spec. if test -z "$convenience" || test -z "$whole_archive_flag_spec"; then save_libobjs=$libobjs fi save_output=$output output_la=`$ECHO "X$output" | $Xsed -e "$basename"` # Clear the reloadable object creation command queue and # initialize k to one. test_cmds= concat_cmds= objlist= last_robj= k=1 if test -n "$save_libobjs" && test "X$skipped_export" != "X:" && test "$with_gnu_ld" = yes; then output=${output_objdir}/${output_la}.lnkscript func_verbose "creating GNU ld script: $output" $ECHO 'INPUT (' > $output for obj in $save_libobjs do $ECHO "$obj" >> $output done $ECHO ')' >> $output delfiles="$delfiles $output" elif test -n "$save_libobjs" && test "X$skipped_export" != "X:" && test "X$file_list_spec" != X; then output=${output_objdir}/${output_la}.lnk func_verbose "creating linker input file list: $output" : > $output set x $save_libobjs shift firstobj= if test "$compiler_needs_object" = yes; then firstobj="$1 " shift fi for obj do $ECHO "$obj" >> $output done delfiles="$delfiles $output" output=$firstobj\"$file_list_spec$output\" else if test -n "$save_libobjs"; then func_verbose "creating reloadable object files..." output=$output_objdir/$output_la-${k}.$objext eval test_cmds=\"$reload_cmds\" func_len " $test_cmds" len0=$func_len_result len=$len0 # Loop over the list of objects to be linked. for obj in $save_libobjs do func_len " $obj" func_arith $len + $func_len_result len=$func_arith_result if test "X$objlist" = X || test "$len" -lt "$max_cmd_len"; then func_append objlist " $obj" else # The command $test_cmds is almost too long, add a # command to the queue. if test "$k" -eq 1 ; then # The first file doesn't have a previous command to add. eval concat_cmds=\"$reload_cmds $objlist $last_robj\" else # All subsequent reloadable object files will link in # the last one created. eval concat_cmds=\"\$concat_cmds~$reload_cmds $objlist $last_robj~\$RM $last_robj\" fi last_robj=$output_objdir/$output_la-${k}.$objext func_arith $k + 1 k=$func_arith_result output=$output_objdir/$output_la-${k}.$objext objlist=$obj func_len " $last_robj" func_arith $len0 + $func_len_result len=$func_arith_result fi done # Handle the remaining objects by creating one last # reloadable object file. All subsequent reloadable object # files will link in the last one created. test -z "$concat_cmds" || concat_cmds=$concat_cmds~ eval concat_cmds=\"\${concat_cmds}$reload_cmds $objlist $last_robj\" if test -n "$last_robj"; then eval concat_cmds=\"\${concat_cmds}~\$RM $last_robj\" fi delfiles="$delfiles $output" else output= fi if ${skipped_export-false}; then func_verbose "generating symbol list for \`$libname.la'" export_symbols="$output_objdir/$libname.exp" $opt_dry_run || $RM $export_symbols libobjs=$output # Append the command to create the export file. test -z "$concat_cmds" || concat_cmds=$concat_cmds~ eval concat_cmds=\"\$concat_cmds$export_symbols_cmds\" if test -n "$last_robj"; then eval concat_cmds=\"\$concat_cmds~\$RM $last_robj\" fi fi test -n "$save_libobjs" && func_verbose "creating a temporary reloadable object file: $output" # Loop through the commands generated above and execute them. save_ifs="$IFS"; IFS='~' for cmd in $concat_cmds; do IFS="$save_ifs" $opt_silent || { func_quote_for_expand "$cmd" eval "func_echo $func_quote_for_expand_result" } $opt_dry_run || eval "$cmd" || { lt_exit=$? # Restore the uninstalled library and exit if test "$mode" = relink; then ( cd "$output_objdir" && \ $RM "${realname}T" && \ $MV "${realname}U" "$realname" ) fi exit $lt_exit } done IFS="$save_ifs" if test -n "$export_symbols_regex" && ${skipped_export-false}; then func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' func_show_eval '$MV "${export_symbols}T" "$export_symbols"' fi fi if ${skipped_export-false}; then if test -n "$export_symbols" && test -n "$include_expsyms"; then tmp_export_symbols="$export_symbols" test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols" $opt_dry_run || eval '$ECHO "X$include_expsyms" | $Xsed | $SP2NL >> "$tmp_export_symbols"' fi if test -n "$orig_export_symbols"; then # The given exports_symbols file has to be filtered, so filter it. func_verbose "filter symbol list for \`$libname.la' to tag DATA exports" # FIXME: $output_objdir/$libname.filter potentially contains lots of # 's' commands which not all seds can handle. GNU sed should be fine # though. Also, the filter scales superlinearly with the number of # global variables. join(1) would be nice here, but unfortunately # isn't a blessed tool. $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter delfiles="$delfiles $export_symbols $output_objdir/$libname.filter" export_symbols=$output_objdir/$libname.def $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols fi fi libobjs=$output # Restore the value of output. output=$save_output if test -n "$convenience" && test -n "$whole_archive_flag_spec"; then eval libobjs=\"\$libobjs $whole_archive_flag_spec\" test "X$libobjs" = "X " && libobjs= fi # Expand the library linking commands again to reset the # value of $libobjs for piecewise linking. # Do each of the archive commands. if test "$module" = yes && test -n "$module_cmds" ; then if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then cmds=$module_expsym_cmds else cmds=$module_cmds fi else if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then cmds=$archive_expsym_cmds else cmds=$archive_cmds fi fi fi if test -n "$delfiles"; then # Append the command to remove temporary files to $cmds. eval cmds=\"\$cmds~\$RM $delfiles\" fi # Add any objects from preloaded convenience libraries if test -n "$dlprefiles"; then gentop="$output_objdir/${outputname}x" generated="$generated $gentop" func_extract_archives $gentop $dlprefiles libobjs="$libobjs $func_extract_archives_result" test "X$libobjs" = "X " && libobjs= fi save_ifs="$IFS"; IFS='~' for cmd in $cmds; do IFS="$save_ifs" eval cmd=\"$cmd\" $opt_silent || { func_quote_for_expand "$cmd" eval "func_echo $func_quote_for_expand_result" } $opt_dry_run || eval "$cmd" || { lt_exit=$? # Restore the uninstalled library and exit if test "$mode" = relink; then ( cd "$output_objdir" && \ $RM "${realname}T" && \ $MV "${realname}U" "$realname" ) fi exit $lt_exit } done IFS="$save_ifs" # Restore the uninstalled library and exit if test "$mode" = relink; then $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}T && $MV $realname ${realname}T && $MV ${realname}U $realname)' || exit $? if test -n "$convenience"; then if test -z "$whole_archive_flag_spec"; then func_show_eval '${RM}r "$gentop"' fi fi exit $EXIT_SUCCESS fi # Create links to the real library. for linkname in $linknames; do if test "$realname" != "$linkname"; then func_show_eval '(cd "$output_objdir" && $RM "$linkname" && $LN_S "$realname" "$linkname")' 'exit $?' fi done # If -module or -export-dynamic was specified, set the dlname. if test "$module" = yes || test "$export_dynamic" = yes; then # On all known operating systems, these are identical. dlname="$soname" fi fi ;; obj) if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then func_warning "\`-dlopen' is ignored for objects" fi case " $deplibs" in *\ -l* | *\ -L*) func_warning "\`-l' and \`-L' are ignored for objects" ;; esac test -n "$rpath" && \ func_warning "\`-rpath' is ignored for objects" test -n "$xrpath" && \ func_warning "\`-R' is ignored for objects" test -n "$vinfo" && \ func_warning "\`-version-info' is ignored for objects" test -n "$release" && \ func_warning "\`-release' is ignored for objects" case $output in *.lo) test -n "$objs$old_deplibs" && \ func_fatal_error "cannot build library object \`$output' from non-libtool objects" libobj=$output func_lo2o "$libobj" obj=$func_lo2o_result ;; *) libobj= obj="$output" ;; esac # Delete the old objects. $opt_dry_run || $RM $obj $libobj # Objects from convenience libraries. This assumes # single-version convenience libraries. Whenever we create # different ones for PIC/non-PIC, this we'll have to duplicate # the extraction. reload_conv_objs= gentop= # reload_cmds runs $LD directly, so let us get rid of # -Wl from whole_archive_flag_spec and hope we can get by with # turning comma into space.. wl= if test -n "$convenience"; then if test -n "$whole_archive_flag_spec"; then eval tmp_whole_archive_flags=\"$whole_archive_flag_spec\" reload_conv_objs=$reload_objs\ `$ECHO "X$tmp_whole_archive_flags" | $Xsed -e 's|,| |g'` else gentop="$output_objdir/${obj}x" generated="$generated $gentop" func_extract_archives $gentop $convenience reload_conv_objs="$reload_objs $func_extract_archives_result" fi fi # Create the old-style object. reload_objs="$objs$old_deplibs "`$ECHO "X$libobjs" | $SP2NL | $Xsed -e '/\.'${libext}$'/d' -e '/\.lib$/d' -e "$lo2o" | $NL2SP`" $reload_conv_objs" ### testsuite: skip nested quoting test output="$obj" func_execute_cmds "$reload_cmds" 'exit $?' # Exit if we aren't doing a library object file. if test -z "$libobj"; then if test -n "$gentop"; then func_show_eval '${RM}r "$gentop"' fi exit $EXIT_SUCCESS fi if test "$build_libtool_libs" != yes; then if test -n "$gentop"; then func_show_eval '${RM}r "$gentop"' fi # Create an invalid libtool object if no PIC, so that we don't # accidentally link it into a program. # $show "echo timestamp > $libobj" # $opt_dry_run || eval "echo timestamp > $libobj" || exit $? exit $EXIT_SUCCESS fi if test -n "$pic_flag" || test "$pic_mode" != default; then # Only do commands if we really have different PIC objects. reload_objs="$libobjs $reload_conv_objs" output="$libobj" func_execute_cmds "$reload_cmds" 'exit $?' fi if test -n "$gentop"; then func_show_eval '${RM}r "$gentop"' fi exit $EXIT_SUCCESS ;; prog) case $host in *cygwin*) func_stripname '' '.exe' "$output" output=$func_stripname_result.exe;; esac test -n "$vinfo" && \ func_warning "\`-version-info' is ignored for programs" test -n "$release" && \ func_warning "\`-release' is ignored for programs" test "$preload" = yes \ && test "$dlopen_support" = unknown \ && test "$dlopen_self" = unknown \ && test "$dlopen_self_static" = unknown && \ func_warning "\`LT_INIT([dlopen])' not used. Assuming no dlopen support." case $host in *-*-rhapsody* | *-*-darwin1.[012]) # On Rhapsody replace the C library is the System framework compile_deplibs=`$ECHO "X $compile_deplibs" | $Xsed -e 's/ -lc / System.ltframework /'` finalize_deplibs=`$ECHO "X $finalize_deplibs" | $Xsed -e 's/ -lc / System.ltframework /'` ;; esac case $host in *-*-darwin*) # Don't allow lazy linking, it breaks C++ global constructors # But is supposedly fixed on 10.4 or later (yay!). if test "$tagname" = CXX ; then case ${MACOSX_DEPLOYMENT_TARGET-10.0} in 10.[0123]) compile_command="$compile_command ${wl}-bind_at_load" finalize_command="$finalize_command ${wl}-bind_at_load" ;; esac fi # Time to change all our "foo.ltframework" stuff back to "-framework foo" compile_deplibs=`$ECHO "X $compile_deplibs" | $Xsed -e 's% \([^ $]*\).ltframework% -framework \1%g'` finalize_deplibs=`$ECHO "X $finalize_deplibs" | $Xsed -e 's% \([^ $]*\).ltframework% -framework \1%g'` ;; esac # move library search paths that coincide with paths to not yet # installed libraries to the beginning of the library search list new_libs= for path in $notinst_path; do case " $new_libs " in *" -L$path/$objdir "*) ;; *) case " $compile_deplibs " in *" -L$path/$objdir "*) new_libs="$new_libs -L$path/$objdir" ;; esac ;; esac done for deplib in $compile_deplibs; do case $deplib in -L*) case " $new_libs " in *" $deplib "*) ;; *) new_libs="$new_libs $deplib" ;; esac ;; *) new_libs="$new_libs $deplib" ;; esac done compile_deplibs="$new_libs" compile_command="$compile_command $compile_deplibs" finalize_command="$finalize_command $finalize_deplibs" if test -n "$rpath$xrpath"; then # If the user specified any rpath flags, then add them. for libdir in $rpath $xrpath; do # This is the magic to use -rpath. case "$finalize_rpath " in *" $libdir "*) ;; *) finalize_rpath="$finalize_rpath $libdir" ;; esac done fi # Now hardcode the library paths rpath= hardcode_libdirs= for libdir in $compile_rpath $finalize_rpath; do if test -n "$hardcode_libdir_flag_spec"; then if test -n "$hardcode_libdir_separator"; then if test -z "$hardcode_libdirs"; then hardcode_libdirs="$libdir" else # Just accumulate the unique libdirs. case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) ;; *) hardcode_libdirs="$hardcode_libdirs$hardcode_libdir_separator$libdir" ;; esac fi else eval flag=\"$hardcode_libdir_flag_spec\" rpath="$rpath $flag" fi elif test -n "$runpath_var"; then case "$perm_rpath " in *" $libdir "*) ;; *) perm_rpath="$perm_rpath $libdir" ;; esac fi case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) testbindir=`${ECHO} "$libdir" | ${SED} -e 's*/lib$*/bin*'` case :$dllsearchpath: in *":$libdir:"*) ;; ::) dllsearchpath=$libdir;; *) dllsearchpath="$dllsearchpath:$libdir";; esac case :$dllsearchpath: in *":$testbindir:"*) ;; ::) dllsearchpath=$testbindir;; *) dllsearchpath="$dllsearchpath:$testbindir";; esac ;; esac done # Substitute the hardcoded libdirs into the rpath. if test -n "$hardcode_libdir_separator" && test -n "$hardcode_libdirs"; then libdir="$hardcode_libdirs" eval rpath=\" $hardcode_libdir_flag_spec\" fi compile_rpath="$rpath" rpath= hardcode_libdirs= for libdir in $finalize_rpath; do if test -n "$hardcode_libdir_flag_spec"; then if test -n "$hardcode_libdir_separator"; then if test -z "$hardcode_libdirs"; then hardcode_libdirs="$libdir" else # Just accumulate the unique libdirs. case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) ;; *) hardcode_libdirs="$hardcode_libdirs$hardcode_libdir_separator$libdir" ;; esac fi else eval flag=\"$hardcode_libdir_flag_spec\" rpath="$rpath $flag" fi elif test -n "$runpath_var"; then case "$finalize_perm_rpath " in *" $libdir "*) ;; *) finalize_perm_rpath="$finalize_perm_rpath $libdir" ;; esac fi done # Substitute the hardcoded libdirs into the rpath. if test -n "$hardcode_libdir_separator" && test -n "$hardcode_libdirs"; then libdir="$hardcode_libdirs" eval rpath=\" $hardcode_libdir_flag_spec\" fi finalize_rpath="$rpath" if test -n "$libobjs" && test "$build_old_libs" = yes; then # Transform all the library objects into standard objects. compile_command=`$ECHO "X$compile_command" | $SP2NL | $Xsed -e "$lo2o" | $NL2SP` finalize_command=`$ECHO "X$finalize_command" | $SP2NL | $Xsed -e "$lo2o" | $NL2SP` fi func_generate_dlsyms "$outputname" "@PROGRAM@" "no" # template prelinking step if test -n "$prelink_cmds"; then func_execute_cmds "$prelink_cmds" 'exit $?' fi wrappers_required=yes case $host in *cygwin* | *mingw* ) if test "$build_libtool_libs" != yes; then wrappers_required=no fi ;; *cegcc) # Disable wrappers for cegcc, we are cross compiling anyway. wrappers_required=no ;; *) if test "$need_relink" = no || test "$build_libtool_libs" != yes; then wrappers_required=no fi ;; esac if test "$wrappers_required" = no; then # Replace the output file specification. compile_command=`$ECHO "X$compile_command" | $Xsed -e 's%@OUTPUT@%'"$output"'%g'` link_command="$compile_command$compile_rpath" # We have no uninstalled library dependencies, so finalize right now. exit_status=0 func_show_eval "$link_command" 'exit_status=$?' # Delete the generated files. if test -f "$output_objdir/${outputname}S.${objext}"; then func_show_eval '$RM "$output_objdir/${outputname}S.${objext}"' fi exit $exit_status fi if test -n "$compile_shlibpath$finalize_shlibpath"; then compile_command="$shlibpath_var=\"$compile_shlibpath$finalize_shlibpath\$$shlibpath_var\" $compile_command" fi if test -n "$finalize_shlibpath"; then finalize_command="$shlibpath_var=\"$finalize_shlibpath\$$shlibpath_var\" $finalize_command" fi compile_var= finalize_var= if test -n "$runpath_var"; then if test -n "$perm_rpath"; then # We should set the runpath_var. rpath= for dir in $perm_rpath; do rpath="$rpath$dir:" done compile_var="$runpath_var=\"$rpath\$$runpath_var\" " fi if test -n "$finalize_perm_rpath"; then # We should set the runpath_var. rpath= for dir in $finalize_perm_rpath; do rpath="$rpath$dir:" done finalize_var="$runpath_var=\"$rpath\$$runpath_var\" " fi fi if test "$no_install" = yes; then # We don't need to create a wrapper script. link_command="$compile_var$compile_command$compile_rpath" # Replace the output file specification. link_command=`$ECHO "X$link_command" | $Xsed -e 's%@OUTPUT@%'"$output"'%g'` # Delete the old output file. $opt_dry_run || $RM $output # Link the executable and exit func_show_eval "$link_command" 'exit $?' exit $EXIT_SUCCESS fi if test "$hardcode_action" = relink; then # Fast installation is not supported link_command="$compile_var$compile_command$compile_rpath" relink_command="$finalize_var$finalize_command$finalize_rpath" func_warning "this platform does not like uninstalled shared libraries" func_warning "\`$output' will be relinked during installation" else if test "$fast_install" != no; then link_command="$finalize_var$compile_command$finalize_rpath" if test "$fast_install" = yes; then relink_command=`$ECHO "X$compile_var$compile_command$compile_rpath" | $Xsed -e 's%@OUTPUT@%\$progdir/\$file%g'` else # fast_install is set to needless relink_command= fi else link_command="$compile_var$compile_command$compile_rpath" relink_command="$finalize_var$finalize_command$finalize_rpath" fi fi # Replace the output file specification. link_command=`$ECHO "X$link_command" | $Xsed -e 's%@OUTPUT@%'"$output_objdir/$outputname"'%g'` # Delete the old output files. $opt_dry_run || $RM $output $output_objdir/$outputname $output_objdir/lt-$outputname func_show_eval "$link_command" 'exit $?' # Now create the wrapper script. func_verbose "creating $output" # Quote the relink command for shipping. if test -n "$relink_command"; then # Preserve any variables that may affect compiler behavior for var in $variables_saved_for_relink; do if eval test -z \"\${$var+set}\"; then relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command" elif eval var_value=\$$var; test -z "$var_value"; then relink_command="$var=; export $var; $relink_command" else func_quote_for_eval "$var_value" relink_command="$var=$func_quote_for_eval_result; export $var; $relink_command" fi done relink_command="(cd `pwd`; $relink_command)" relink_command=`$ECHO "X$relink_command" | $Xsed -e "$sed_quote_subst"` fi # Quote $ECHO for shipping. if test "X$ECHO" = "X$SHELL $progpath --fallback-echo"; then case $progpath in [\\/]* | [A-Za-z]:[\\/]*) qecho="$SHELL $progpath --fallback-echo";; *) qecho="$SHELL `pwd`/$progpath --fallback-echo";; esac qecho=`$ECHO "X$qecho" | $Xsed -e "$sed_quote_subst"` else qecho=`$ECHO "X$ECHO" | $Xsed -e "$sed_quote_subst"` fi # Only actually do things if not in dry run mode. $opt_dry_run || { # win32 will think the script is a binary if it has # a .exe suffix, so we strip it off here. case $output in *.exe) func_stripname '' '.exe' "$output" output=$func_stripname_result ;; esac # test for cygwin because mv fails w/o .exe extensions case $host in *cygwin*) exeext=.exe func_stripname '' '.exe' "$outputname" outputname=$func_stripname_result ;; *) exeext= ;; esac case $host in *cygwin* | *mingw* ) func_dirname_and_basename "$output" "" "." output_name=$func_basename_result output_path=$func_dirname_result cwrappersource="$output_path/$objdir/lt-$output_name.c" cwrapper="$output_path/$output_name.exe" $RM $cwrappersource $cwrapper trap "$RM $cwrappersource $cwrapper; exit $EXIT_FAILURE" 1 2 15 func_emit_cwrapperexe_src > $cwrappersource # The wrapper executable is built using the $host compiler, # because it contains $host paths and files. If cross- # compiling, it, like the target executable, must be # executed on the $host or under an emulation environment. $opt_dry_run || { $LTCC $LTCFLAGS -o $cwrapper $cwrappersource $STRIP $cwrapper } # Now, create the wrapper script for func_source use: func_ltwrapper_scriptname $cwrapper $RM $func_ltwrapper_scriptname_result trap "$RM $func_ltwrapper_scriptname_result; exit $EXIT_FAILURE" 1 2 15 $opt_dry_run || { # note: this script will not be executed, so do not chmod. if test "x$build" = "x$host" ; then $cwrapper --lt-dump-script > $func_ltwrapper_scriptname_result else func_emit_wrapper no > $func_ltwrapper_scriptname_result fi } ;; * ) $RM $output trap "$RM $output; exit $EXIT_FAILURE" 1 2 15 func_emit_wrapper no > $output chmod +x $output ;; esac } exit $EXIT_SUCCESS ;; esac # See if we need to build an old-fashioned archive. for oldlib in $oldlibs; do if test "$build_libtool_libs" = convenience; then oldobjs="$libobjs_save $symfileobj" addlibs="$convenience" build_libtool_libs=no else if test "$build_libtool_libs" = module; then oldobjs="$libobjs_save" build_libtool_libs=no else oldobjs="$old_deplibs $non_pic_objects" if test "$preload" = yes && test -f "$symfileobj"; then oldobjs="$oldobjs $symfileobj" fi fi addlibs="$old_convenience" fi if test -n "$addlibs"; then gentop="$output_objdir/${outputname}x" generated="$generated $gentop" func_extract_archives $gentop $addlibs oldobjs="$oldobjs $func_extract_archives_result" fi # Do each command in the archive commands. if test -n "$old_archive_from_new_cmds" && test "$build_libtool_libs" = yes; then cmds=$old_archive_from_new_cmds else # Add any objects from preloaded convenience libraries if test -n "$dlprefiles"; then gentop="$output_objdir/${outputname}x" generated="$generated $gentop" func_extract_archives $gentop $dlprefiles oldobjs="$oldobjs $func_extract_archives_result" fi # POSIX demands no paths to be encoded in archives. We have # to avoid creating archives with duplicate basenames if we # might have to extract them afterwards, e.g., when creating a # static archive out of a convenience library, or when linking # the entirety of a libtool archive into another (currently # not supported by libtool). if (for obj in $oldobjs do func_basename "$obj" $ECHO "$func_basename_result" done | sort | sort -uc >/dev/null 2>&1); then : else $ECHO "copying selected object files to avoid basename conflicts..." gentop="$output_objdir/${outputname}x" generated="$generated $gentop" func_mkdir_p "$gentop" save_oldobjs=$oldobjs oldobjs= counter=1 for obj in $save_oldobjs do func_basename "$obj" objbase="$func_basename_result" case " $oldobjs " in " ") oldobjs=$obj ;; *[\ /]"$objbase "*) while :; do # Make sure we don't pick an alternate name that also # overlaps. newobj=lt$counter-$objbase func_arith $counter + 1 counter=$func_arith_result case " $oldobjs " in *[\ /]"$newobj "*) ;; *) if test ! -f "$gentop/$newobj"; then break; fi ;; esac done func_show_eval "ln $obj $gentop/$newobj || cp $obj $gentop/$newobj" oldobjs="$oldobjs $gentop/$newobj" ;; *) oldobjs="$oldobjs $obj" ;; esac done fi eval cmds=\"$old_archive_cmds\" func_len " $cmds" len=$func_len_result if test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then cmds=$old_archive_cmds else # the command line is too long to link in one step, link in parts func_verbose "using piecewise archive linking..." save_RANLIB=$RANLIB RANLIB=: objlist= concat_cmds= save_oldobjs=$oldobjs oldobjs= # Is there a better way of finding the last object in the list? for obj in $save_oldobjs do last_oldobj=$obj done eval test_cmds=\"$old_archive_cmds\" func_len " $test_cmds" len0=$func_len_result len=$len0 for obj in $save_oldobjs do func_len " $obj" func_arith $len + $func_len_result len=$func_arith_result func_append objlist " $obj" if test "$len" -lt "$max_cmd_len"; then : else # the above command should be used before it gets too long oldobjs=$objlist if test "$obj" = "$last_oldobj" ; 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See the # GNU General Public License for more details. # You should have received a copy of the GNU General Public License # along with this program. If not, see . # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that program. # Originally written by Alexandre Oliva . case $1 in '') echo "$0: No command. Try \`$0 --help' for more information." 1>&2 exit 1; ;; -h | --h*) cat <<\EOF Usage: depcomp [--help] [--version] PROGRAM [ARGS] Run PROGRAMS ARGS to compile a file, generating dependencies as side-effects. Environment variables: depmode Dependency tracking mode. source Source file read by `PROGRAMS ARGS'. object Object file output by `PROGRAMS ARGS'. DEPDIR directory where to store dependencies. depfile Dependency file to output. tmpdepfile Temporary file to use when outputing dependencies. libtool Whether libtool is used (yes/no). Report bugs to . EOF exit $? ;; -v | --v*) echo "depcomp $scriptversion" exit $? ;; esac if test -z "$depmode" || test -z "$source" || test -z "$object"; then echo "depcomp: Variables source, object and depmode must be set" 1>&2 exit 1 fi # Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po. depfile=${depfile-`echo "$object" | sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`} tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} rm -f "$tmpdepfile" # Some modes work just like other modes, but use different flags. We # parameterize here, but still list the modes in the big case below, # to make depend.m4 easier to write. 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"$@" || exit $? # Remove the call to Libtool. if test "$libtool" = yes; then while test "X$1" != 'X--mode=compile'; do shift done shift fi # Remove `-o $object'. IFS=" " for arg do case $arg in -o) shift ;; $object) shift ;; *) set fnord "$@" "$arg" shift # fnord shift # $arg ;; esac done test -z "$dashmflag" && dashmflag=-M # Require at least two characters before searching for `:' # in the target name. This is to cope with DOS-style filenames: # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise. "$@" $dashmflag | sed 's:^[ ]*[^: ][^:][^:]*\:[ ]*:'"$object"'\: :' > "$tmpdepfile" rm -f "$depfile" cat < "$tmpdepfile" > "$depfile" tr ' ' ' ' < "$tmpdepfile" | \ ## Some versions of the HPUX 10.20 sed can't process this invocation ## correctly. Breaking it into two sed invocations is a workaround. sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; dashXmstdout) # This case only exists to satisfy depend.m4. It is never actually # run, as this mode is specially recognized in the preamble. exit 1 ;; makedepend) "$@" || exit $? # Remove any Libtool call if test "$libtool" = yes; then while test "X$1" != 'X--mode=compile'; do shift done shift fi # X makedepend shift cleared=no eat=no for arg do case $cleared in no) set ""; shift cleared=yes ;; esac if test $eat = yes; then eat=no continue fi case "$arg" in -D*|-I*) set fnord "$@" "$arg"; shift ;; # Strip any option that makedepend may not understand. Remove # the object too, otherwise makedepend will parse it as a source file. -arch) eat=yes ;; -*|$object) ;; *) set fnord "$@" "$arg"; shift ;; esac done obj_suffix=`echo "$object" | sed 's/^.*\././'` touch "$tmpdepfile" ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@" rm -f "$depfile" cat < "$tmpdepfile" > "$depfile" sed '1,2d' "$tmpdepfile" | tr ' ' ' ' | \ ## Some versions of the HPUX 10.20 sed can't process this invocation ## correctly. Breaking it into two sed invocations is a workaround. sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" "$tmpdepfile".bak ;; cpp) # Important note: in order to support this mode, a compiler *must* # always write the preprocessed file to stdout. "$@" || exit $? # Remove the call to Libtool. if test "$libtool" = yes; then while test "X$1" != 'X--mode=compile'; do shift done shift fi # Remove `-o $object'. IFS=" " for arg do case $arg in -o) shift ;; $object) shift ;; *) set fnord "$@" "$arg" shift # fnord shift # $arg ;; esac done "$@" -E | sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \ -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' | sed '$ s: \\$::' > "$tmpdepfile" rm -f "$depfile" echo "$object : \\" > "$depfile" cat < "$tmpdepfile" >> "$depfile" sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; msvisualcpp) # Important note: in order to support this mode, a compiler *must* # always write the preprocessed file to stdout. "$@" || exit $? # Remove the call to Libtool. if test "$libtool" = yes; then while test "X$1" != 'X--mode=compile'; do shift done shift fi IFS=" " for arg do case "$arg" in -o) shift ;; $object) shift ;; "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI") set fnord "$@" shift shift ;; *) set fnord "$@" "$arg" shift shift ;; esac done "$@" -E 2>/dev/null | sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile" rm -f "$depfile" echo "$object : \\" > "$depfile" sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile" echo " " >> "$depfile" sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile" rm -f "$tmpdepfile" ;; msvcmsys) # This case exists only to let depend.m4 do its work. It works by # looking at the text of this script. This case will never be run, # since it is checked for above. exit 1 ;; none) exec "$@" ;; *) echo "Unknown depmode $depmode" 1>&2 exit 1 ;; esac exit 0 # Local Variables: # mode: shell-script # sh-indentation: 2 # eval: (add-hook 'write-file-hooks 'time-stamp) # time-stamp-start: "scriptversion=" # time-stamp-format: "%:y-%02m-%02d.%02H" # time-stamp-time-zone: "UTC" # time-stamp-end: "; # UTC" # End: libdispatch-0~svn197/src/0000755000175100017500000000000011505136533015021 5ustar mheilymheilylibdispatch-0~svn197/src/shims/0000755000175100017500000000000011505136533016144 5ustar mheilymheilylibdispatch-0~svn197/src/shims/time.c0000644000175100017500000000305611505136243017250 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #include "internal.h" #if !(defined(__i386__) || defined(__x86_64__)) || !HAVE_MACH_ABSOLUTE_TIME _dispatch_host_time_data_s _dispatch_host_time_data; void _dispatch_get_host_time_init(void *context __attribute__((unused))) { #if HAVE_MACH_ABSOLUTE_TIME mach_timebase_info_data_t tbi; (void)dispatch_assume_zero(mach_timebase_info(&tbi)); _dispatch_host_time_data.frac = tbi.numer; _dispatch_host_time_data.frac /= tbi.denom; _dispatch_host_time_data.ratio_1_to_1 = (tbi.numer == tbi.denom); #elif TARGET_OS_WIN32 LARGE_INTEGER freq; dispatch_assume(QueryPerformanceFrequency(&freq)); _dispatch_host_time_data.frac = (long double)NSEC_PER_SEC / (long double)freq.QuadPart; _dispatch_host_time_data.ratio_1_to_1 = (freq.QuadPart == 1); #else // TARGET_OS_WIN32 _dispatch_host_time_data.frac = 1.0; _dispatch_host_time_data.ratio_1_to_1 = 1; #endif } #endif libdispatch-0~svn197/src/shims/tsd.h0000644000175100017500000000654011505136243017112 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ /* * IMPORTANT: This header file describes INTERNAL interfaces to libdispatch * which are subject to change in future releases of Mac OS X. Any applications * relying on these interfaces WILL break. */ #ifndef __DISPATCH_SHIMS_TSD__ #define __DISPATCH_SHIMS_TSD__ #if HAVE_PTHREAD_KEY_INIT_NP static const unsigned long dispatch_queue_key = __PTK_LIBDISPATCH_KEY0; static const unsigned long dispatch_sema4_key = __PTK_LIBDISPATCH_KEY1; static const unsigned long dispatch_cache_key = __PTK_LIBDISPATCH_KEY2; static const unsigned long dispatch_bcounter_key = __PTK_LIBDISPATCH_KEY3; //__PTK_LIBDISPATCH_KEY4 //__PTK_LIBDISPATCH_KEY5 #else extern pthread_key_t dispatch_queue_key; extern pthread_key_t dispatch_sema4_key; extern pthread_key_t dispatch_cache_key; extern pthread_key_t dispatch_bcounter_key; #endif #if USE_APPLE_TSD_OPTIMIZATIONS #define SIMULATE_5491082 1 #ifndef _PTHREAD_TSD_OFFSET #define _PTHREAD_TSD_OFFSET 0 #endif static inline void _dispatch_thread_setspecific(unsigned long k, void *v) { #if defined(SIMULATE_5491082) && defined(__i386__) asm("movl %1, %%gs:%0" : "=m" (*(void **)(k * sizeof(void *) + _PTHREAD_TSD_OFFSET)) : "ri" (v) : "memory"); #elif defined(SIMULATE_5491082) && defined(__x86_64__) asm("movq %1, %%gs:%0" : "=m" (*(void **)(k * sizeof(void *) + _PTHREAD_TSD_OFFSET)) : "rn" (v) : "memory"); #else int res; if (_pthread_has_direct_tsd()) { res = _pthread_setspecific_direct(k, v); } else { res = pthread_setspecific(k, v); } dispatch_assert_zero(res); #endif } static inline void * _dispatch_thread_getspecific(unsigned long k) { #if defined(SIMULATE_5491082) && (defined(__i386__) || defined(__x86_64__)) void *rval; asm("mov %%gs:%1, %0" : "=r" (rval) : "m" (*(void **)(k * sizeof(void *) + _PTHREAD_TSD_OFFSET))); return rval; #else if (_pthread_has_direct_tsd()) { return _pthread_getspecific_direct(k); } else { return pthread_getspecific(k); } #endif } #else /* !USE_APPLE_TSD_OPTIMIZATIONS */ static inline void _dispatch_thread_setspecific(pthread_key_t k, void *v) { int res; res = pthread_setspecific(k, v); dispatch_assert_zero(res); } static inline void * _dispatch_thread_getspecific(pthread_key_t k) { return pthread_getspecific(k); } #endif /* USE_APPLE_TSD_OPTIMIZATIONS */ #if HAVE_PTHREAD_KEY_INIT_NP static inline void _dispatch_thread_key_init_np(unsigned long k, void (*d)(void *)) { dispatch_assert_zero(pthread_key_init_np((int)k, d)); } #else static inline void _dispatch_thread_key_create(pthread_key_t *key, void (*destructor)(void *)) { dispatch_assert_zero(pthread_key_create(key, destructor)); } #endif #define _dispatch_thread_self (uintptr_t)pthread_self #endif /* __DISPATCH_SHIMS_TSD__ */ libdispatch-0~svn197/src/shims/time.h0000644000175100017500000000637611505136243017265 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ /* * IMPORTANT: This header file describes INTERNAL interfaces to libdispatch * which are subject to change in future releases of Mac OS X. Any applications * relying on these interfaces WILL break. */ #ifndef __DISPATCH_SHIMS_TIME__ #define __DISPATCH_SHIMS_TIME__ #ifndef __DISPATCH_INDIRECT__ #error "Please #include instead of this file directly." #endif uint64_t _dispatch_get_nanoseconds(void); #if TARGET_OS_WIN32 static inline unsigned int sleep(unsigned int seconds) { Sleep(seconds * 1000); // milliseconds return 0; } #endif #if (defined(__i386__) || defined(__x86_64__)) && HAVE_MACH_ABSOLUTE_TIME // x86 currently implements mach time in nanoseconds; this is NOT likely to change #define _dispatch_time_mach2nano(x) (x) #define _dispatch_time_nano2mach(x) (x) #else typedef struct _dispatch_host_time_data_s { long double frac; bool ratio_1_to_1; dispatch_once_t pred; } _dispatch_host_time_data_s; __private_extern__ _dispatch_host_time_data_s _dispatch_host_time_data; __private_extern__ void _dispatch_get_host_time_init(void *context); static inline uint64_t _dispatch_time_mach2nano(uint64_t machtime) { _dispatch_host_time_data_s *const data = &_dispatch_host_time_data; dispatch_once_f(&data->pred, NULL, _dispatch_get_host_time_init); return (uint64_t)(machtime * data->frac); } static inline int64_t _dispatch_time_nano2mach(int64_t nsec) { _dispatch_host_time_data_s *const data = &_dispatch_host_time_data; dispatch_once_f(&data->pred, NULL, _dispatch_get_host_time_init); if (slowpath(_dispatch_host_time_data.ratio_1_to_1)) { return nsec; } long double big_tmp = (long double)nsec; // Divide by tbi.numer/tbi.denom to convert nsec to Mach absolute time big_tmp /= data->frac; // Clamp to a 64bit signed int if (slowpath(big_tmp > INT64_MAX)) { return INT64_MAX; } if (slowpath(big_tmp < INT64_MIN)) { return INT64_MIN; } return (int64_t)big_tmp; } #endif static inline uint64_t _dispatch_absolute_time(void) { #if HAVE_MACH_ABSOLUTE_TIME return mach_absolute_time(); #elif TARGET_OS_WIN32 LARGE_INTEGER now; if (!QueryPerformanceCounter(&now)) { return 0; } return now.QuadPart; #else struct timespec ts; int ret; #if HAVE_DECL_CLOCK_UPTIME ret = clock_gettime(CLOCK_UPTIME, &ts); #elif HAVE_DECL_CLOCK_MONOTONIC ret = clock_gettime(CLOCK_MONOTONIC, &ts); #else #error "clock_gettime: no supported absolute time clock" #endif (void)dispatch_assume_zero(ret); /* XXXRW: Some kind of overflow detection needed? */ return (ts.tv_sec * NSEC_PER_SEC + ts.tv_nsec); #endif } #endif /* __DISPATCH_SHIMS_TIME__ */ libdispatch-0~svn197/src/shims/malloc_zone.h0000644000175100017500000000400111505136243020610 0ustar mheilymheily/* * Copyright (c) 2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #ifndef __DISPATCH_SHIMS_MALLOC_ZONE__ #define __DISPATCH_SHIMS_MALLOC_ZONE__ #include #include /* * Implement malloc zones as a simple wrapper around malloc(3) on systems * that don't support them. */ #if !HAVE_MALLOC_CREATE_ZONE typedef void * malloc_zone_t; static inline malloc_zone_t * malloc_create_zone(size_t start_size, unsigned flags) { return ((malloc_zone_t *)(-1)); } static inline void malloc_destroy_zone(malloc_zone_t *zone) { /* No-op. */ } static inline malloc_zone_t * malloc_default_zone(void) { return ((malloc_zone_t *)(-1)); } static inline malloc_zone_t * malloc_zone_from_ptr(const void *ptr) { return ((malloc_zone_t *)(-1)); } static inline void * malloc_zone_malloc(malloc_zone_t *zone, size_t size) { return (malloc(size)); } static inline void * malloc_zone_calloc(malloc_zone_t *zone, size_t num_items, size_t size) { return (calloc(num_items, size)); } #if !TARGET_OS_WIN32 static inline void * malloc_zone_realloc(malloc_zone_t *zone, void *ptr, size_t size) { return (realloc(ptr, size)); } #endif static inline void malloc_zone_free(malloc_zone_t *zone, void *ptr) { free(ptr); } static inline void malloc_set_zone_name(malloc_zone_t *zone, const char *name) { /* No-op. */ } #endif /* !HAVE_MALLOC_CREATE_ZONE */ #endif /* __DISPATCH_SHIMS_MALLOC_ZONE__ */ libdispatch-0~svn197/src/shims/mach.c0000644000175100017500000000345311505136243017223 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #include "internal.h" #if HAVE_MACH void * dispatch_mach_msg_get_context(mach_msg_header_t *msg) { mach_msg_context_trailer_t *tp; void *context = NULL; tp = (mach_msg_context_trailer_t *)((uint8_t *)msg + round_msg(msg->msgh_size)); if (tp->msgh_trailer_size >= (mach_msg_size_t)sizeof(mach_msg_context_trailer_t)) { context = (void *)(uintptr_t)tp->msgh_context; } return context; } #ifndef DISPATCH_NO_LEGACY /* * Raw Mach message support */ boolean_t _dispatch_machport_callback(mach_msg_header_t *msg, mach_msg_header_t *reply, void (*callback)(mach_msg_header_t *)) { mig_reply_setup(msg, reply); ((mig_reply_error_t*)reply)->RetCode = MIG_NO_REPLY; callback(msg); return TRUE; } /* * CFMachPort compatibility */ boolean_t _dispatch_CFMachPortCallBack(mach_msg_header_t *msg, mach_msg_header_t *reply, void (*callback)(struct __CFMachPort *, void *msg, signed long size, void *)) { mig_reply_setup(msg, reply); ((mig_reply_error_t*)reply)->RetCode = MIG_NO_REPLY; callback(NULL, msg, msg->msgh_size, dispatch_mach_msg_get_context(msg)); return TRUE; } #endif #endif /* HAVE_MACH */ libdispatch-0~svn197/src/shims/tsd.c0000644000175100017500000000161111505136243017077 0ustar mheilymheily/* * Copyright (c) 2010 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #include "internal.h" #if !HAVE_PTHREAD_KEY_INIT_NP pthread_key_t dispatch_queue_key; pthread_key_t dispatch_sema4_key; pthread_key_t dispatch_cache_key; pthread_key_t dispatch_bcounter_key; #endif libdispatch-0~svn197/src/shims/perfmon.h0000644000175100017500000000536111505136243017766 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ /* * IMPORTANT: This header file describes INTERNAL interfaces to libdispatch * which are subject to change in future releases of Mac OS X. Any applications * relying on these interfaces WILL break. */ #ifndef __DISPATCH_SHIMS_PERFMON__ #define __DISPATCH_SHIMS_PERFMON__ #if DISPATCH_PERF_MON #if defined (USE_APPLE_TSD_OPTIMIZATIONS) && defined(SIMULATE_5491082) && (defined(__i386__) || defined(__x86_64__)) #ifdef __LP64__ #define _dispatch_workitem_inc() asm("incq %%gs:%0" : "+m" \ (*(void **)(dispatch_bcounter_key * sizeof(void *) + _PTHREAD_TSD_OFFSET)) :: "cc") #define _dispatch_workitem_dec() asm("decq %%gs:%0" : "+m" \ (*(void **)(dispatch_bcounter_key * sizeof(void *) + _PTHREAD_TSD_OFFSET)) :: "cc") #else #define _dispatch_workitem_inc() asm("incl %%gs:%0" : "+m" \ (*(void **)(dispatch_bcounter_key * sizeof(void *) + _PTHREAD_TSD_OFFSET)) :: "cc") #define _dispatch_workitem_dec() asm("decl %%gs:%0" : "+m" \ (*(void **)(dispatch_bcounter_key * sizeof(void *) + _PTHREAD_TSD_OFFSET)) :: "cc") #endif #else /* !USE_APPLE_TSD_OPTIMIZATIONS */ static inline void _dispatch_workitem_inc(void) { unsigned long cnt = (unsigned long)_dispatch_thread_getspecific(dispatch_bcounter_key); _dispatch_thread_setspecific(dispatch_bcounter_key, (void *)++cnt); } static inline void _dispatch_workitem_dec(void) { unsigned long cnt = (unsigned long)_dispatch_thread_getspecific(dispatch_bcounter_key); _dispatch_thread_setspecific(dispatch_bcounter_key, (void *)--cnt); } #endif /* USE_APPLE_TSD_OPTIMIZATIONS */ // C99 doesn't define flsll() or ffsll() #ifdef __LP64__ #define flsll(x) flsl(x) #else static inline unsigned int flsll(uint64_t val) { union { struct { #ifdef __BIG_ENDIAN__ unsigned int hi, low; #else unsigned int low, hi; #endif } words; uint64_t word; } _bucket = { .word = val, }; if (_bucket.words.hi) { return fls(_bucket.words.hi) + 32; } return fls(_bucket.words.low); } #endif #else #define _dispatch_workitem_inc() #define _dispatch_workitem_dec() #endif // DISPATCH_PERF_MON #endif /* __DISPATCH_SHIMS_PERFMON__ */ libdispatch-0~svn197/src/shims/getprogname.h0000644000175100017500000000221711505136243020625 0ustar mheilymheily/* * Copyright (c) 2009-2010 Mark Heily * All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #ifndef __DISPATCH_SHIMS_GETPROGNAME__ #define __DISPATCH_SHIMS_GETPROGNAME__ #ifndef HAVE_GETPROGNAME static inline const char * getprogname(void) { # if HAVE_DECL_PROGRAM_INVOCATION_SHORT_NAME return program_invocation_short_name; #elif HAVE_GETEXECNAME return getexecname(); # else # error 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All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #include "internal.h" uint64_t _dispatch_get_nanoseconds(void) { #if !TARGET_OS_WIN32 struct timeval now; int r = gettimeofday(&now, NULL); dispatch_assert_zero(r); dispatch_assert(sizeof(NSEC_PER_SEC) == 8); dispatch_assert(sizeof(NSEC_PER_USEC) == 8); return now.tv_sec * NSEC_PER_SEC + now.tv_usec * NSEC_PER_USEC; #else /* TARGET_OS_WIN32 */ // FILETIME is 100-nanosecond intervals since January 1, 1601 (UTC). FILETIME ft; ULARGE_INTEGER li; GetSystemTimeAsFileTime(&ft); li.LowPart = ft.dwLowDateTime; li.HighPart = ft.dwHighDateTime; return li.QuadPart * 100ull; #endif /* TARGET_OS_WIN32 */ } dispatch_time_t dispatch_time(dispatch_time_t inval, int64_t delta) { if (inval == DISPATCH_TIME_FOREVER) { return DISPATCH_TIME_FOREVER; } if ((int64_t)inval < 0) { // wall clock if (delta >= 0) { if ((int64_t)(inval -= delta) >= 0) { return DISPATCH_TIME_FOREVER; // overflow } return inval; } if ((int64_t)(inval -= delta) >= -1) { // -1 is special == DISPATCH_TIME_FOREVER == forever return -2; // underflow } return inval; } // mach clock delta = _dispatch_time_nano2mach(delta); if (inval == 0) { inval = _dispatch_absolute_time(); } if (delta >= 0) { if ((int64_t)(inval += delta) <= 0) { return DISPATCH_TIME_FOREVER; // overflow } return inval; } if ((int64_t)(inval += delta) < 1) { return 1; // underflow } return inval; } dispatch_time_t dispatch_walltime(const struct timespec *inval, int64_t delta) { int64_t nsec; if (inval) { nsec = inval->tv_sec * 1000000000ull + inval->tv_nsec; } else { nsec = _dispatch_get_nanoseconds(); } nsec += delta; if (nsec <= 1) { // -1 is special == DISPATCH_TIME_FOREVER == forever return delta >= 0 ? DISPATCH_TIME_FOREVER : (uint64_t)-2ll; } return -nsec; } uint64_t _dispatch_timeout(dispatch_time_t when) { uint64_t now; if (when == DISPATCH_TIME_FOREVER) { return DISPATCH_TIME_FOREVER; } if (when == 0) { return 0; } if ((int64_t)when < 0) { when = -(int64_t)when; now = _dispatch_get_nanoseconds(); return now >= when ? 0 : when - now; } now = _dispatch_absolute_time(); return now >= when ? 0 : _dispatch_time_mach2nano(when - now); } #if USE_POSIX_SEM /* * Unlike Mach semaphores, POSIX semaphores take an absolute, real time as an * argument to sem_timedwait(). This routine converts from dispatch_time_t * but assumes the caller has already handled the possibility of * DISPATCH_TIME_FOREVER. */ struct timespec _dispatch_timeout_ts(dispatch_time_t when) { struct timespec ts_realtime; uint64_t abstime, realtime; int ret; if (when == 0) { ret = clock_gettime(CLOCK_REALTIME, &ts_realtime); (void)dispatch_assume_zero(ret); return (ts_realtime); } if ((int64_t)when < 0) { ret = clock_gettime(CLOCK_REALTIME, &ts_realtime); (void)dispatch_assume_zero(ret); when = -(int64_t)when + ts_realtime.tv_sec * NSEC_PER_SEC + ts_realtime.tv_nsec; ts_realtime.tv_sec = when / NSEC_PER_SEC; ts_realtime.tv_nsec = when % NSEC_PER_SEC; return (ts_realtime); } /* * Rebase 'when': (when - abstime) + realtime. * * XXXRW: Should we cache this delta to avoid system calls? */ abstime = _dispatch_absolute_time(); ret = clock_gettime(CLOCK_REALTIME, &ts_realtime); (void)dispatch_assume_zero(ret); realtime = ts_realtime.tv_sec * NSEC_PER_SEC + ts_realtime.tv_nsec + (when - abstime); ts_realtime.tv_sec = realtime / NSEC_PER_SEC; ts_realtime.tv_nsec = realtime % NSEC_PER_SEC; return (ts_realtime); } #endif libdispatch-0~svn197/src/source_private.h0000644000175100017500000000671111505136244020230 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ /* * IMPORTANT: This header file describes INTERNAL interfaces to libdispatch * which are subject to change in future releases of Mac OS X. Any applications * relying on these interfaces WILL break. */ #ifndef __DISPATCH_SOURCE_PRIVATE__ #define __DISPATCH_SOURCE_PRIVATE__ #ifndef __DISPATCH_INDIRECT__ #error "Please #include instead of this file directly." #include // for HeaderDoc #endif /*! * @const DISPATCH_SOURCE_TYPE_VFS * @discussion Apple-internal dispatch source that monitors for vfs events * defined by dispatch_vfs_flags_t. * The handle is a process identifier (pid_t). */ #define DISPATCH_SOURCE_TYPE_VFS (&_dispatch_source_type_vfs) __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) extern const struct dispatch_source_type_s _dispatch_source_type_vfs; /*! * @enum dispatch_source_vfs_flags_t * * @constant DISPATCH_VFS_NOTRESP * Server down. * * @constant DISPATCH_VFS_NEEDAUTH * Server bad auth. * * @constant DISPATCH_VFS_LOWDISK * We're low on space. * * @constant DISPATCH_VFS_MOUNT * New filesystem arrived. * * @constant DISPATCH_VFS_UNMOUNT * Filesystem has left. * * @constant DISPATCH_VFS_DEAD * Filesystem is dead, needs force unmount. * * @constant DISPATCH_VFS_ASSIST * Filesystem needs assistance from external program. * * @constant DISPATCH_VFS_NOTRESPLOCK * Server lockd down. * * @constant DISPATCH_VFS_UPDATE * Filesystem information has changed. * * @constant DISPATCH_VFS_VERYLOWDISK * File system has *very* little disk space left. */ enum { DISPATCH_VFS_NOTRESP = 0x0001, DISPATCH_VFS_NEEDAUTH = 0x0002, DISPATCH_VFS_LOWDISK = 0x0004, DISPATCH_VFS_MOUNT = 0x0008, DISPATCH_VFS_UNMOUNT = 0x0010, DISPATCH_VFS_DEAD = 0x0020, DISPATCH_VFS_ASSIST = 0x0040, DISPATCH_VFS_NOTRESPLOCK = 0x0080, DISPATCH_VFS_UPDATE = 0x0100, DISPATCH_VFS_VERYLOWDISK = 0x0200, }; /*! * @enum dispatch_source_mach_send_flags_t * * @constant DISPATCH_MACH_SEND_DELETED * The receive right corresponding to the given send right was destroyed. */ enum { DISPATCH_MACH_SEND_DELETED = 0x2, }; /*! * @enum dispatch_source_proc_flags_t * * @constant DISPATCH_PROC_REAP * The process has been reaped by the parent process via * wait*(). */ enum { DISPATCH_PROC_REAP = 0x10000000, }; __DISPATCH_BEGIN_DECLS #if HAVE_MACH /*! * @typedef dispatch_mig_callback_t * * @abstract * The signature of a function that handles Mach message delivery and response. */ typedef boolean_t (*dispatch_mig_callback_t)(mach_msg_header_t *message, mach_msg_header_t *reply); __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_NONNULL_ALL DISPATCH_NOTHROW mach_msg_return_t dispatch_mig_server(dispatch_source_t ds, size_t maxmsgsz, dispatch_mig_callback_t callback); #endif __DISPATCH_END_DECLS #endif libdispatch-0~svn197/src/source.c0000644000175100017500000004663111505136244016476 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #include "internal.h" #if HAVE_MACH #include "protocol.h" #include "protocolServer.h" #endif #include #ifndef DISPATCH_NO_LEGACY struct dispatch_source_attr_vtable_s { DISPATCH_VTABLE_HEADER(dispatch_source_attr_s); }; struct dispatch_source_attr_s { DISPATCH_STRUCT_HEADER(dispatch_source_attr_s, dispatch_source_attr_vtable_s); void* finalizer_ctxt; dispatch_source_finalizer_function_t finalizer_func; void* context; }; #endif /* DISPATCH_NO_LEGACY */ #define _dispatch_source_call_block ((void *)-1) static void _dispatch_source_latch_and_call(dispatch_source_t ds); static void _dispatch_source_cancel_callout(dispatch_source_t ds); static size_t dispatch_source_debug_attr(dispatch_source_t ds, char* buf, size_t bufsiz); void dispatch_source_cancel(dispatch_source_t ds) { #if DISPATCH_DEBUG dispatch_debug(ds, __FUNCTION__); #endif // Right after we set the cancel flag, someone else // could potentially invoke the source, do the cancelation, // unregister the source, and deallocate it. We would // need to therefore retain/release before setting the bit _dispatch_retain(ds); dispatch_atomic_or(&ds->ds_atomic_flags, DSF_CANCELED); _dispatch_wakeup(ds); _dispatch_release(ds); } DISPATCH_NOINLINE void _dispatch_source_xref_release(dispatch_source_t ds) { #ifndef DISPATCH_NO_LEGACY if (ds->ds_is_legacy) { if (!(ds->ds_timer.flags & DISPATCH_TIMER_ONESHOT)) { dispatch_source_cancel(ds); } // Clients often leave sources suspended at the last release dispatch_atomic_and(&ds->do_suspend_cnt, DISPATCH_OBJECT_SUSPEND_LOCK); } else #endif if (slowpath(DISPATCH_OBJECT_SUSPENDED(ds))) { // Arguments for and against this assert are within 6705399 DISPATCH_CLIENT_CRASH("Release of a suspended object"); } _dispatch_wakeup(ds); _dispatch_release(ds); } long dispatch_source_testcancel(dispatch_source_t ds) { return (bool)(ds->ds_atomic_flags & DSF_CANCELED); } unsigned long dispatch_source_get_mask(dispatch_source_t ds) { return ds->ds_pending_data_mask; } uintptr_t dispatch_source_get_handle(dispatch_source_t ds) { return (int)ds->ds_ident_hack; } unsigned long dispatch_source_get_data(dispatch_source_t ds) { return ds->ds_data; } dispatch_queue_t _dispatch_source_invoke(dispatch_source_t ds) { // This function performs all source actions. Each action is responsible // for verifying that it takes place on the appropriate queue. If the // current queue is not the correct queue for this action, the correct queue // will be returned and the invoke will be re-driven on that queue. // The order of tests here in invoke and in probe should be consistent. dispatch_queue_t dq = _dispatch_queue_get_current(); if (!ds->ds_is_installed) { // The source needs to be installed on the manager queue. if (dq != &_dispatch_mgr_q) { return &_dispatch_mgr_q; } _dispatch_kevent_merge(ds); } else if ((ds->ds_atomic_flags & DSF_CANCELED) || (ds->do_xref_cnt == 0)) { // The source has been cancelled and needs to be uninstalled from the // manager queue. After uninstallation, the cancellation handler needs // to be delivered to the target queue. if (ds->ds_dkev) { if (dq != &_dispatch_mgr_q) { return &_dispatch_mgr_q; } _dispatch_kevent_release(ds); return ds->do_targetq; } else if (ds->ds_cancel_handler) { if (dq != ds->do_targetq) { return ds->do_targetq; } } _dispatch_source_cancel_callout(ds); } else if (ds->ds_pending_data) { // The source has pending data to deliver via the event handler callback // on the target queue. Some sources need to be rearmed on the manager // queue after event delivery. if (dq != ds->do_targetq) { return ds->do_targetq; } _dispatch_source_latch_and_call(ds); if (ds->ds_needs_rearm) { return &_dispatch_mgr_q; } } else if (ds->ds_needs_rearm && !ds->ds_is_armed) { // The source needs to be rearmed on the manager queue. if (dq != &_dispatch_mgr_q) { return &_dispatch_mgr_q; } _dispatch_source_kevent_resume(ds, 0, 0); ds->ds_is_armed = true; } return NULL; } bool _dispatch_source_probe(dispatch_source_t ds) { // This function determines whether the source needs to be invoked. // The order of tests here in probe and in invoke should be consistent. if (!ds->ds_is_installed) { // The source needs to be installed on the manager queue. return true; } else if ((ds->ds_atomic_flags & DSF_CANCELED) || (ds->do_xref_cnt == 0)) { // The source needs to be uninstalled from the manager queue, or the // cancellation handler needs to be delivered to the target queue. // Note: cancellation assumes installation. if (ds->ds_dkev || ds->ds_cancel_handler) { return true; } } else if (ds->ds_pending_data) { // The source has pending data to deliver to the target queue. return true; } else if (ds->ds_needs_rearm && !ds->ds_is_armed) { // The source needs to be rearmed on the manager queue. return true; } // Nothing to do. return false; } void _dispatch_source_dispose(dispatch_source_t ds) { _dispatch_queue_dispose((dispatch_queue_t)ds); } void _dispatch_source_latch_and_call(dispatch_source_t ds) { unsigned long prev; if ((ds->ds_atomic_flags & DSF_CANCELED) || (ds->do_xref_cnt == 0)) { return; } prev = dispatch_atomic_xchg(&ds->ds_pending_data, 0); if (ds->ds_is_level) { ds->ds_data = ~prev; } else { ds->ds_data = prev; } if (dispatch_assume(prev)) { if (ds->ds_handler_func) { #ifndef DISPATCH_NO_LEGACY ((dispatch_source_handler_function_t)ds->ds_handler_func)(ds->ds_handler_ctxt, ds); #else ds->ds_handler_func(ds->ds_handler_ctxt); #endif } } } void _dispatch_source_cancel_callout(dispatch_source_t ds) { ds->ds_pending_data_mask = 0; ds->ds_pending_data = 0; ds->ds_data = 0; #ifdef __BLOCKS__ if (ds->ds_handler_is_block) { Block_release(ds->ds_handler_ctxt); ds->ds_handler_is_block = false; ds->ds_handler_func = NULL; ds->ds_handler_ctxt = NULL; } #endif if (!ds->ds_cancel_handler) { return; } if (ds->ds_cancel_is_block) { #ifdef __BLOCKS__ dispatch_block_t b = ds->ds_cancel_handler; if (ds->ds_atomic_flags & DSF_CANCELED) { b(); } Block_release(ds->ds_cancel_handler); ds->ds_cancel_is_block = false; #endif } else { dispatch_function_t f = ds->ds_cancel_handler; if (ds->ds_atomic_flags & DSF_CANCELED) { f(ds->do_ctxt); } } ds->ds_cancel_handler = NULL; } size_t dispatch_source_debug_attr(dispatch_source_t ds, char* buf, size_t bufsiz) { dispatch_queue_t target = ds->do_targetq; return snprintf(buf, bufsiz, "target = %s[%p], pending_data = 0x%lx, pending_data_mask = 0x%lx, ", target ? target->dq_label : "", target, ds->ds_pending_data, ds->ds_pending_data_mask); } size_t _dispatch_source_debug(dispatch_source_t ds, char* buf, size_t bufsiz) { size_t offset = 0; offset += snprintf(&buf[offset], bufsiz - offset, "%s[%p] = { ", dx_kind(ds), ds); offset += dispatch_object_debug_attr(ds, &buf[offset], bufsiz - offset); offset += dispatch_source_debug_attr(ds, &buf[offset], bufsiz - offset); return offset; } #ifndef DISPATCH_NO_LEGACY static void dispatch_source_attr_dispose(dispatch_source_attr_t attr) { // release the finalizer block if necessary dispatch_source_attr_set_finalizer(attr, NULL); _dispatch_dispose(attr); } static const struct dispatch_source_attr_vtable_s dispatch_source_attr_vtable = { .do_type = DISPATCH_SOURCE_ATTR_TYPE, .do_kind = "source-attr", .do_dispose = dispatch_source_attr_dispose, }; dispatch_source_attr_t dispatch_source_attr_create(void) { dispatch_source_attr_t rval = calloc(1, sizeof(struct dispatch_source_attr_s)); if (rval) { rval->do_vtable = &dispatch_source_attr_vtable; rval->do_next = DISPATCH_OBJECT_LISTLESS; rval->do_targetq = dispatch_get_global_queue(0, 0); rval->do_ref_cnt = 1; rval->do_xref_cnt = 1; } return rval; } void dispatch_source_attr_set_finalizer_f(dispatch_source_attr_t attr, void *context, dispatch_source_finalizer_function_t finalizer) { #ifdef __BLOCKS__ if (attr->finalizer_func == (void*)_dispatch_call_block_and_release2) { Block_release(attr->finalizer_ctxt); } #endif attr->finalizer_ctxt = context; attr->finalizer_func = finalizer; } #ifdef __BLOCKS__ long dispatch_source_attr_set_finalizer(dispatch_source_attr_t attr, dispatch_source_finalizer_t finalizer) { void *ctxt; dispatch_source_finalizer_function_t func; if (finalizer) { if (!(ctxt = Block_copy(finalizer))) { return 1; } func = (void *)_dispatch_call_block_and_release2; } else { ctxt = NULL; func = NULL; } dispatch_source_attr_set_finalizer_f(attr, ctxt, func); return 0; } dispatch_source_finalizer_t dispatch_source_attr_get_finalizer(dispatch_source_attr_t attr) { if (attr->finalizer_func == (void*)_dispatch_call_block_and_release2) { return (dispatch_source_finalizer_t)attr->finalizer_ctxt; } else if (attr->finalizer_func == NULL) { return NULL; } else { abort(); // finalizer is not a block... } } #endif void dispatch_source_attr_set_context(dispatch_source_attr_t attr, void *context) { attr->context = context; } dispatch_source_attr_t dispatch_source_attr_copy(dispatch_source_attr_t proto) { dispatch_source_attr_t rval = NULL; if (proto && (rval = malloc(sizeof(struct dispatch_source_attr_s)))) { memcpy(rval, proto, sizeof(struct dispatch_source_attr_s)); #ifdef __BLOCKS__ if (rval->finalizer_func == (void*)_dispatch_call_block_and_release2) { rval->finalizer_ctxt = Block_copy(rval->finalizer_ctxt); } #endif } else if (!proto) { rval = dispatch_source_attr_create(); } return rval; } #endif /* DISPATCH_NO_LEGACY */ dispatch_source_t dispatch_source_create(dispatch_source_type_t type, uintptr_t handle, unsigned long mask, dispatch_queue_t q) { dispatch_source_t ds = NULL; static char source_label[sizeof(ds->dq_label)] = "source"; // input validation if (type == NULL || (mask & ~type->mask)) { goto out_bad; } ds = calloc(1ul, sizeof(struct dispatch_source_s)); if (slowpath(!ds)) { goto out_bad; } // Initialize as a queue first, then override some settings below. _dispatch_queue_init((dispatch_queue_t)ds); memcpy(ds->dq_label, source_label, sizeof(source_label)); // Dispatch Object ds->do_vtable = &_dispatch_source_kevent_vtable; ds->do_ref_cnt++; // the reference the manger queue holds ds->do_suspend_cnt = DISPATCH_OBJECT_SUSPEND_INTERVAL; // do_targetq will be retained below, past point of no-return ds->do_targetq = q; if (slowpath(!type->init(ds, type, handle, mask, q))) { goto out_bad; } dispatch_assert(!(ds->ds_is_level && ds->ds_is_adder)); #if DISPATCH_DEBUG dispatch_debug(ds, __FUNCTION__); #endif _dispatch_retain(ds->do_targetq); return ds; out_bad: free(ds); return NULL; } #ifdef __BLOCKS__ // 6618342 Contact the team that owns the Instrument DTrace probe before renaming this symbol static void _dispatch_source_set_event_handler2(void *context) { struct Block_layout *bl = context; dispatch_source_t ds = (dispatch_source_t)_dispatch_queue_get_current(); dispatch_assert(ds->do_vtable == &_dispatch_source_kevent_vtable); if (ds->ds_handler_is_block && ds->ds_handler_ctxt) { Block_release(ds->ds_handler_ctxt); } ds->ds_handler_func = bl ? (void *)bl->invoke : NULL; ds->ds_handler_ctxt = bl; ds->ds_handler_is_block = true; } void dispatch_source_set_event_handler(dispatch_source_t ds, dispatch_block_t handler) { dispatch_assert(!ds->ds_is_legacy); handler = _dispatch_Block_copy(handler); dispatch_barrier_async_f((dispatch_queue_t)ds, handler, _dispatch_source_set_event_handler2); } #endif /* __BLOCKS__ */ static void _dispatch_source_set_event_handler_f(void *context) { dispatch_source_t ds = (dispatch_source_t)_dispatch_queue_get_current(); dispatch_assert(ds->do_vtable == &_dispatch_source_kevent_vtable); #ifdef __BLOCKS__ if (ds->ds_handler_is_block && ds->ds_handler_ctxt) { Block_release(ds->ds_handler_ctxt); } #endif ds->ds_handler_func = context; ds->ds_handler_ctxt = ds->do_ctxt; ds->ds_handler_is_block = false; } void dispatch_source_set_event_handler_f(dispatch_source_t ds, dispatch_function_t handler) { dispatch_assert(!ds->ds_is_legacy); dispatch_barrier_async_f((dispatch_queue_t)ds, handler, _dispatch_source_set_event_handler_f); } #ifdef __BLOCKS__ // 6618342 Contact the team that owns the Instrument DTrace probe before renaming this symbol static void _dispatch_source_set_cancel_handler2(void *context) { dispatch_source_t ds = (dispatch_source_t)_dispatch_queue_get_current(); dispatch_assert(ds->do_vtable == &_dispatch_source_kevent_vtable); if (ds->ds_cancel_is_block && ds->ds_cancel_handler) { Block_release(ds->ds_cancel_handler); } ds->ds_cancel_handler = context; ds->ds_cancel_is_block = true; } void dispatch_source_set_cancel_handler(dispatch_source_t ds, dispatch_block_t handler) { dispatch_assert(!ds->ds_is_legacy); handler = _dispatch_Block_copy(handler); dispatch_barrier_async_f((dispatch_queue_t)ds, handler, _dispatch_source_set_cancel_handler2); } #endif /* __BLOCKS__ */ static void _dispatch_source_set_cancel_handler_f(void *context) { dispatch_source_t ds = (dispatch_source_t)_dispatch_queue_get_current(); dispatch_assert(ds->do_vtable == &_dispatch_source_kevent_vtable); #ifdef __BLOCKS__ if (ds->ds_cancel_is_block && ds->ds_cancel_handler) { Block_release(ds->ds_cancel_handler); } #endif ds->ds_cancel_handler = context; ds->ds_cancel_is_block = false; } void dispatch_source_set_cancel_handler_f(dispatch_source_t ds, dispatch_function_t handler) { dispatch_assert(!ds->ds_is_legacy); dispatch_barrier_async_f((dispatch_queue_t)ds, handler, _dispatch_source_set_cancel_handler_f); } #ifndef DISPATCH_NO_LEGACY // 6618342 Contact the team that owns the Instrument DTrace probe before renaming this symbol dispatch_source_t _dispatch_source_create2(dispatch_source_t ds, dispatch_source_attr_t attr, void *context, dispatch_source_handler_function_t handler) { if (ds == NULL || handler == NULL) { return NULL; } ds->ds_is_legacy = true; ds->ds_handler_func = (dispatch_function_t)handler; ds->ds_handler_ctxt = context; if (attr && attr != DISPATCH_SOURCE_CREATE_SUSPENDED) { ds->dq_finalizer_ctxt = attr->finalizer_ctxt; ds->dq_finalizer_func = (typeof(ds->dq_finalizer_func))attr->finalizer_func; ds->do_ctxt = attr->context; } #ifdef __BLOCKS__ if (ds->dq_finalizer_func == (void*)_dispatch_call_block_and_release2) { ds->dq_finalizer_ctxt = Block_copy(ds->dq_finalizer_ctxt); if (!ds->dq_finalizer_ctxt) { goto out_bad; } } if (handler == _dispatch_source_call_block) { struct Block_layout *bl = ds->ds_handler_ctxt = Block_copy(context); if (!ds->ds_handler_ctxt) { if (ds->dq_finalizer_func == (void*)_dispatch_call_block_and_release2) { Block_release(ds->dq_finalizer_ctxt); } goto out_bad; } ds->ds_handler_func = (void *)bl->invoke; ds->ds_handler_is_block = true; } // all legacy sources get a cancellation event on the normal event handler. dispatch_function_t func = ds->ds_handler_func; dispatch_source_handler_t block = ds->ds_handler_ctxt; void *ctxt = ds->ds_handler_ctxt; bool handler_is_block = ds->ds_handler_is_block; ds->ds_cancel_is_block = true; if (handler_is_block) { ds->ds_cancel_handler = _dispatch_Block_copy(^{ block(ds); }); } else { ds->ds_cancel_handler = _dispatch_Block_copy(^{ ((dispatch_source_handler_function_t)func)(ctxt, ds); }); } #endif if (attr != DISPATCH_SOURCE_CREATE_SUSPENDED) { dispatch_resume(ds); } return ds; #ifdef __BLOCKS__ out_bad: free(ds); return NULL; #endif } long dispatch_source_get_error(dispatch_source_t ds, long *err_out) { // 6863892 don't report ECANCELED until kevent is unregistered if ((ds->ds_atomic_flags & DSF_CANCELED) && !ds->ds_dkev) { if (err_out) { *err_out = ECANCELED; } return DISPATCH_ERROR_DOMAIN_POSIX; } else { return DISPATCH_ERROR_DOMAIN_NO_ERROR; } } #endif /* DISPATCH_NO_LEGACY */ // To be called from the context of the _dispatch_mgr_q static void _dispatch_source_set_timer2(void *context) { struct dispatch_set_timer_params *params = context; dispatch_source_t ds = params->ds; ds->ds_ident_hack = params->ident; ds->ds_timer = params->values; _dispatch_timer_list_update(ds); dispatch_resume(ds); dispatch_release(ds); free(params); } void dispatch_source_set_timer(dispatch_source_t ds, dispatch_time_t start, uint64_t interval, uint64_t leeway) { struct dispatch_set_timer_params *params; // we use zero internally to mean disabled if (interval == 0) { interval = 1; } else if ((int64_t)interval < 0) { // 6866347 - make sure nanoseconds won't overflow interval = INT64_MAX; } // Suspend the source so that it doesn't fire with pending changes // The use of suspend/resume requires the external retain/release dispatch_retain(ds); dispatch_suspend(ds); if (start == DISPATCH_TIME_NOW) { start = _dispatch_absolute_time(); } else if (start == DISPATCH_TIME_FOREVER) { start = INT64_MAX; } if ((int64_t)leeway < 0) { leeway = INT64_MAX; } while (!(params = malloc(sizeof(struct dispatch_set_timer_params)))) { sleep(1); } params->ds = ds; params->values.flags = ds->ds_timer.flags; if ((int64_t)start < 0) { // wall clock params->ident = DISPATCH_TIMER_INDEX_WALL; params->values.start = -((int64_t)start); params->values.target = -((int64_t)start); params->values.interval = interval; params->values.leeway = leeway; params->values.flags |= DISPATCH_TIMER_WALL_CLOCK; } else { // absolute clock params->ident = DISPATCH_TIMER_INDEX_MACH; params->values.start = start; params->values.target = start; params->values.interval = _dispatch_time_nano2mach(interval); params->values.leeway = _dispatch_time_nano2mach(leeway); params->values.flags &= ~DISPATCH_TIMER_WALL_CLOCK; } dispatch_barrier_async_f(&_dispatch_mgr_q, params, _dispatch_source_set_timer2); } #ifndef DISPATCH_NO_LEGACY // LEGACY long dispatch_source_timer_set_time(dispatch_source_t ds, uint64_t nanoseconds, uint64_t leeway) { dispatch_time_t start; if (nanoseconds == 0) { nanoseconds = 1; } if (ds->ds_timer.flags == (DISPATCH_TIMER_ABSOLUTE|DISPATCH_TIMER_WALL_CLOCK)) { static const struct timespec t0; start = dispatch_walltime(&t0, nanoseconds); } else if (ds->ds_timer.flags & DISPATCH_TIMER_WALL_CLOCK) { start = dispatch_walltime(DISPATCH_TIME_NOW, nanoseconds); } else { start = dispatch_time(DISPATCH_TIME_NOW, nanoseconds); } if (ds->ds_timer.flags & (DISPATCH_TIMER_ABSOLUTE|DISPATCH_TIMER_ONESHOT)) { // 6866347 - make sure nanoseconds won't overflow nanoseconds = INT64_MAX; // non-repeating (~292 years) } dispatch_source_set_timer(ds, start, nanoseconds, leeway); return 0; } // LEGACY uint64_t dispatch_event_get_nanoseconds(dispatch_source_t ds) { if (ds->ds_timer.flags & DISPATCH_TIMER_WALL_CLOCK) { return ds->ds_timer.interval; } else { return _dispatch_time_mach2nano(ds->ds_timer.interval); } } #endif /* DISPATCH_NO_LEGACY */ libdispatch-0~svn197/src/queue_kevent.c0000644000175100017500000001643111505136244017671 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #include "internal.h" #include "kevent_internal.h" static bool _dispatch_select_workaround; static fd_set _dispatch_rfds; static fd_set _dispatch_wfds; static void *_dispatch_rfd_ptrs[FD_SETSIZE]; static void *_dispatch_wfd_ptrs[FD_SETSIZE]; static int _dispatch_kq; static void _dispatch_get_kq_init(void *context __attribute__((unused))) { static const struct kevent kev = { .ident = 1, .filter = EVFILT_USER, .flags = EV_ADD|EV_CLEAR, }; _dispatch_kq = kqueue(); _dispatch_safe_fork = false; // in case we fall back to select() FD_SET(_dispatch_kq, &_dispatch_rfds); if (_dispatch_kq == -1) { dispatch_assert_zero(errno); } (void)dispatch_assume_zero(kevent(_dispatch_kq, &kev, 1, NULL, 0, NULL)); _dispatch_queue_push(_dispatch_mgr_q.do_targetq, &_dispatch_mgr_q); } static int _dispatch_get_kq(void) { static dispatch_once_t pred; dispatch_once_f(&pred, NULL, _dispatch_get_kq_init); return _dispatch_kq; } static void _dispatch_mgr_thread2(struct kevent *kev, size_t cnt) { size_t i; for (i = 0; i < cnt; i++) { // EVFILT_USER isn't used by sources if (kev[i].filter == EVFILT_USER) { // If _dispatch_mgr_thread2() ever is changed to return to the // caller, then this should become _dispatch_queue_drain() _dispatch_queue_serial_drain_till_empty(&_dispatch_mgr_q); } else { _dispatch_source_drain_kevent(&kev[i]); } } } static dispatch_queue_t _dispatch_mgr_invoke(dispatch_queue_t dq) { static const struct timespec timeout_immediately = { 0, 0 }; struct timespec timeout; const struct timespec *timeoutp; struct timeval sel_timeout, *sel_timeoutp; fd_set tmp_rfds, tmp_wfds; struct kevent kev[1]; int k_cnt, k_err, i, r; _dispatch_thread_setspecific(dispatch_queue_key, dq); for (;;) { _dispatch_run_timers(); timeoutp = _dispatch_get_next_timer_fire(&timeout); if (_dispatch_select_workaround) { FD_COPY(&_dispatch_rfds, &tmp_rfds); FD_COPY(&_dispatch_wfds, &tmp_wfds); if (timeoutp) { sel_timeout.tv_sec = timeoutp->tv_sec; sel_timeout.tv_usec = (typeof(sel_timeout.tv_usec))(timeoutp->tv_nsec / 1000u); sel_timeoutp = &sel_timeout; } else { sel_timeoutp = NULL; } r = select(FD_SETSIZE, &tmp_rfds, &tmp_wfds, NULL, sel_timeoutp); if (r == -1) { if (errno != EBADF) { (void)dispatch_assume_zero(errno); continue; } for (i = 0; i < FD_SETSIZE; i++) { if (i == _dispatch_kq) { continue; } if (!FD_ISSET(i, &_dispatch_rfds) && !FD_ISSET(i, &_dispatch_wfds)) { continue; } r = dup(i); if (r != -1) { close(r); } else { FD_CLR(i, &_dispatch_rfds); FD_CLR(i, &_dispatch_wfds); _dispatch_rfd_ptrs[i] = 0; _dispatch_wfd_ptrs[i] = 0; } } continue; } if (r > 0) { for (i = 0; i < FD_SETSIZE; i++) { if (i == _dispatch_kq) { continue; } if (FD_ISSET(i, &tmp_rfds)) { FD_CLR(i, &_dispatch_rfds); // emulate EV_DISABLE EV_SET(&kev[0], i, EVFILT_READ, EV_ADD|EV_ENABLE|EV_DISPATCH, 0, 1, _dispatch_rfd_ptrs[i]); _dispatch_rfd_ptrs[i] = 0; _dispatch_mgr_thread2(kev, 1); } if (FD_ISSET(i, &tmp_wfds)) { FD_CLR(i, &_dispatch_wfds); // emulate EV_DISABLE EV_SET(&kev[0], i, EVFILT_WRITE, EV_ADD|EV_ENABLE|EV_DISPATCH, 0, 1, _dispatch_wfd_ptrs[i]); _dispatch_wfd_ptrs[i] = 0; _dispatch_mgr_thread2(kev, 1); } } } timeoutp = &timeout_immediately; } k_cnt = kevent(_dispatch_kq, NULL, 0, kev, sizeof(kev) / sizeof(kev[0]), timeoutp); k_err = errno; switch (k_cnt) { case -1: if (k_err == EBADF) { DISPATCH_CLIENT_CRASH("Do not close random Unix descriptors"); } (void)dispatch_assume_zero(k_err); continue; default: _dispatch_mgr_thread2(kev, (size_t)k_cnt); // fall through case 0: _dispatch_force_cache_cleanup(); continue; } } return NULL; } static bool _dispatch_mgr_wakeup(dispatch_queue_t dq) { static const struct kevent kev = { .ident = 1, .filter = EVFILT_USER, .fflags = NOTE_TRIGGER, }; _dispatch_debug("waking up the _dispatch_mgr_q: %p", dq); _dispatch_update_kq(&kev); return false; } void _dispatch_update_kq(const struct kevent *kev) { struct kevent kev_copy = *kev; kev_copy.flags |= EV_RECEIPT; if (kev_copy.flags & EV_DELETE) { switch (kev_copy.filter) { case EVFILT_READ: if (FD_ISSET((int)kev_copy.ident, &_dispatch_rfds)) { FD_CLR((int)kev_copy.ident, &_dispatch_rfds); _dispatch_rfd_ptrs[kev_copy.ident] = 0; return; } case EVFILT_WRITE: if (FD_ISSET((int)kev_copy.ident, &_dispatch_wfds)) { FD_CLR((int)kev_copy.ident, &_dispatch_wfds); _dispatch_wfd_ptrs[kev_copy.ident] = 0; return; } default: break; } } int rval = kevent(_dispatch_get_kq(), &kev_copy, 1, &kev_copy, 1, NULL); if (rval == -1) { // If we fail to register with kevents, for other reasons aside from // changelist elements. (void)dispatch_assume_zero(errno); //kev_copy.flags |= EV_ERROR; //kev_copy.data = error; return; } // The following select workaround only applies to adding kevents if (!(kev->flags & EV_ADD)) { return; } switch (kev_copy.data) { case 0: return; case EBADF: break; default: // If an error occurred while registering with kevent, and it was // because of a kevent changelist processing && the kevent involved // either doing a read or write, it would indicate we were trying // to register a /dev/* port; fall back to select switch (kev_copy.filter) { case EVFILT_READ: _dispatch_select_workaround = true; FD_SET((int)kev_copy.ident, &_dispatch_rfds); _dispatch_rfd_ptrs[kev_copy.ident] = kev_copy.udata; break; case EVFILT_WRITE: _dispatch_select_workaround = true; FD_SET((int)kev_copy.ident, &_dispatch_wfds); _dispatch_wfd_ptrs[kev_copy.ident] = kev_copy.udata; break; default: _dispatch_source_drain_kevent(&kev_copy); break; } break; } } static const struct dispatch_queue_vtable_s _dispatch_queue_mgr_vtable = { .do_type = DISPATCH_QUEUE_MGR_TYPE, .do_kind = "mgr-queue", .do_invoke = _dispatch_mgr_invoke, .do_debug = dispatch_queue_debug, .do_probe = _dispatch_mgr_wakeup, }; // 6618342 Contact the team that owns the Instrument DTrace probe before renaming this symbol struct dispatch_queue_s _dispatch_mgr_q = { .do_vtable = &_dispatch_queue_mgr_vtable, .do_ref_cnt = DISPATCH_OBJECT_GLOBAL_REFCNT, .do_xref_cnt = DISPATCH_OBJECT_GLOBAL_REFCNT, .do_suspend_cnt = DISPATCH_OBJECT_SUSPEND_LOCK, .do_targetq = &_dispatch_root_queues[DISPATCH_ROOT_QUEUE_COUNT - 1], .dq_label = "com.apple.libdispatch-manager", .dq_width = 1, .dq_serialnum = 2, }; libdispatch-0~svn197/src/protocol.defs0000644000175100017500000000424711505136244017533 0ustar mheilymheily/* * Copyright (c) 2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ /* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. */ #include #include // '64' is used to align with Mach notifications and so that we don't fight with the notify symbols in Libsystem subsystem libdispatch_internal_protocol 64; serverprefix _dispatch_; userprefix _dispatch_send_; skip; /* was MACH_NOTIFY_FIRST: 64 */ /* MACH_NOTIFY_PORT_DELETED: 65 */ simpleroutine mach_notify_port_deleted( _notify : mach_port_move_send_once_t; _name : mach_port_name_t ); skip; /* was MACH_NOTIFY_MSG_ACCEPTED: 66 */ skip; /* was NOTIFY_OWNERSHIP_RIGHTS: 67 */ skip; /* was NOTIFY_RECEIVE_RIGHTS: 68 */ /* MACH_NOTIFY_PORT_DESTROYED: 69 */ simpleroutine mach_notify_port_destroyed( _notify : mach_port_move_send_once_t; _rights : mach_port_move_receive_t ); /* MACH_NOTIFY_NO_SENDERS: 70 */ simpleroutine mach_notify_no_senders( _notify : mach_port_move_send_once_t; _mscnt : mach_port_mscount_t ); /* MACH_NOTIFY_SEND_ONCE: 71 */ simpleroutine mach_notify_send_once( _notify : mach_port_move_send_once_t ); /* MACH_NOTIFY_DEAD_NAME: 72 */ simpleroutine mach_notify_dead_name( _notify : mach_port_move_send_once_t; _name : mach_port_name_t ); /* highly unlikely additional Mach notifications */ skip; skip; skip; skip; skip; simpleroutine wakeup_main_thread( _port : mach_port_t; WaitTime _waitTimeout : natural_t ); simpleroutine consume_send_once_right( _port : mach_port_move_send_once_t ); libdispatch-0~svn197/src/source_internal.h0000644000175100017500000001124511505136244020370 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ /* * IMPORTANT: This header file describes INTERNAL interfaces to libdispatch * which are subject to change in future releases of Mac OS X. Any applications * relying on these interfaces WILL break. */ #ifndef __DISPATCH_SOURCE_INTERNAL__ #define __DISPATCH_SOURCE_INTERNAL__ #ifndef __DISPATCH_INDIRECT__ #error "Please #include instead of this file directly." #include // for HeaderDoc #endif struct dispatch_source_vtable_s { DISPATCH_VTABLE_HEADER(dispatch_source_s); }; extern const struct dispatch_source_vtable_s _dispatch_source_kevent_vtable; struct dispatch_kevent_s; typedef struct dispatch_kevent_s *dispatch_kevent_t; struct dispatch_timer_source_s { uint64_t target; uint64_t start; uint64_t interval; uint64_t leeway; uint64_t flags; // dispatch_timer_flags_t }; struct dispatch_set_timer_params { dispatch_source_t ds; uintptr_t ident; struct dispatch_timer_source_s values; }; #define DSF_CANCELED 1u // cancellation has been requested struct dispatch_source_s { DISPATCH_STRUCT_HEADER(dispatch_source_s, dispatch_source_vtable_s); DISPATCH_QUEUE_HEADER; // Instruments always copies DISPATCH_QUEUE_MIN_LABEL_SIZE, which is 64, // so the remainder of the structure must be big enough union { char _ds_pad[DISPATCH_QUEUE_MIN_LABEL_SIZE]; struct { char dq_label[8]; dispatch_kevent_t ds_dkev; dispatch_function_t ds_handler_func; void *ds_handler_ctxt; void *ds_cancel_handler; unsigned int ds_is_level:1, ds_is_adder:1, ds_is_installed:1, ds_needs_rearm:1, ds_is_armed:1, ds_is_legacy:1, ds_cancel_is_block:1, ds_handler_is_block:1; unsigned int ds_atomic_flags; unsigned long ds_data; unsigned long ds_pending_data; unsigned long ds_pending_data_mask; TAILQ_ENTRY(dispatch_source_s) ds_list; unsigned long ds_ident_hack; struct dispatch_timer_source_s ds_timer; }; }; }; void _dispatch_source_xref_release(dispatch_source_t ds); dispatch_queue_t _dispatch_source_invoke(dispatch_source_t ds); bool _dispatch_source_probe(dispatch_source_t ds); void _dispatch_source_dispose(dispatch_source_t ds); size_t _dispatch_source_debug(dispatch_source_t ds, char* buf, size_t bufsiz); void _dispatch_source_kevent_resume(dispatch_source_t ds, uint32_t new_flags, uint32_t del_flags); void _dispatch_kevent_merge(dispatch_source_t ds); void _dispatch_kevent_release(dispatch_source_t ds); void _dispatch_timer_list_update(dispatch_source_t ds); struct dispatch_source_type_s { void *opaque; uint64_t mask; bool (*init) (dispatch_source_t ds, dispatch_source_type_t type, uintptr_t handle, unsigned long mask, dispatch_queue_t q); }; #define DISPATCH_TIMER_INDEX_WALL 0 #define DISPATCH_TIMER_INDEX_MACH 1 #ifdef DISPATCH_NO_LEGACY enum { DISPATCH_TIMER_WALL_CLOCK = 0x4, }; enum { DISPATCH_TIMER_INTERVAL = 0x0, DISPATCH_TIMER_ONESHOT = 0x1, DISPATCH_TIMER_ABSOLUTE = 0x3, }; enum { DISPATCH_MACHPORT_DEAD = 0x1, DISPATCH_MACHPORT_RECV = 0x2, DISPATCH_MACHPORT_DELETED = 0x4, }; #endif extern const struct dispatch_source_type_s _dispatch_source_type_timer; extern const struct dispatch_source_type_s _dispatch_source_type_read; extern const struct dispatch_source_type_s _dispatch_source_type_write; extern const struct dispatch_source_type_s _dispatch_source_type_proc; extern const struct dispatch_source_type_s _dispatch_source_type_signal; extern const struct dispatch_source_type_s _dispatch_source_type_vnode; extern const struct dispatch_source_type_s _dispatch_source_type_vfs; #if HAVE_MACH extern const struct dispatch_source_type_s _dispatch_source_type_mach_send; extern const struct dispatch_source_type_s _dispatch_source_type_mach_recv; #endif extern const struct dispatch_source_type_s _dispatch_source_type_data_add; extern const struct dispatch_source_type_s _dispatch_source_type_data_or; #endif /* __DISPATCH_SOURCE_INTERNAL__ */ libdispatch-0~svn197/src/legacy.c0000644000175100017500000003100611505136244016430 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #include "internal.h" #ifndef DISPATCH_NO_LEGACY #include "legacy.h" /* * LEGACY: This header file describles LEGACY interfaces to libdispatch from an * earlier revision of the API. These interfaces WILL be removed in the future. */ #ifdef __BLOCKS__ DISPATCH_PUBLIC_API DISPATCH_NONNULL1 DISPATCH_NONNULL2 dispatch_item_t LEGACY_dispatch_call(dispatch_queue_t, dispatch_legacy_block_t work, dispatch_legacy_block_t completion) __asm__("_dispatch_call2"); #endif DISPATCH_PUBLIC_API DISPATCH_PURE DISPATCH_WARN_RESULT dispatch_queue_t LEGACY_dispatch_queue_get_current(void) __asm__("_dispatch_queue_get_current"); ///////////////////////////////////////////////////////////////////////////// dispatch_queue_t LEGACY_dispatch_queue_get_current(void) { return _dispatch_queue_get_current(); } #ifdef __BLOCKS__ dispatch_item_t LEGACY_dispatch_call(dispatch_queue_t dq, dispatch_legacy_block_t dispatch_block, dispatch_legacy_block_t callback_block) { dispatch_queue_t lq = _dispatch_queue_get_current() ?: dispatch_get_main_queue(); dispatch_item_t di; di = dispatch_block ? calloc(1, ROUND_UP_TO_CACHELINE_SIZE(sizeof(*di))) : NULL; if (!di) { return di; } if (callback_block) { dispatch_retain(lq); } dispatch_async(dq, ^{ dispatch_block(di); if (callback_block) { dispatch_async(lq, ^{ callback_block(di); free(di); dispatch_release(lq); }); } else { free(di); } }); return di; } #endif /* __BLOCKS__ */ sigset_t dispatch_event_get_signals(dispatch_event_t de) { sigset_t ret; sigemptyset(&ret); sigaddset(&ret, (int)dispatch_event_get_signal(de)); return ret; } void dispatch_cancel(dispatch_source_t ds) { dispatch_source_cancel(ds); } long dispatch_testcancel(dispatch_source_t ds) { return dispatch_source_testcancel(ds); } void dispatch_queue_resume(dispatch_queue_t dq) { dispatch_resume(dq); } void dispatch_queue_retain(dispatch_queue_t dq) { dispatch_retain(dq); } void dispatch_queue_release(dispatch_queue_t dq) { dispatch_release(dq); } void dispatch_source_suspend(dispatch_source_t ds) { dispatch_suspend(ds); } void dispatch_source_resume(dispatch_source_t ds) { dispatch_resume(ds); } void dispatch_source_release(dispatch_source_t ds) { dispatch_release(ds); } void dispatch_source_attr_release(dispatch_source_attr_t attr) { dispatch_release(attr); } void dispatch_queue_attr_release(dispatch_queue_attr_t attr) { dispatch_release(attr); } void *dispatch_queue_get_context(dispatch_queue_t dq) { return dispatch_get_context(dq); } void dispatch_queue_set_context(dispatch_queue_t dq, void *context) { dispatch_set_context(dq, context); } void *dispatch_source_get_context(dispatch_source_t ds) { return dispatch_get_context(ds); } void dispatch_source_set_context(dispatch_source_t ds, void *context) { dispatch_set_context(ds, context); } void dispatch_source_custom_trigger(dispatch_source_t ds) { dispatch_source_merge_data(ds, 1); } void dispatch_source_trigger(dispatch_source_t ds, unsigned long val) { dispatch_source_merge_data(ds, val); } int dispatch_source_get_descriptor(dispatch_source_t ds) { return (int)dispatch_source_get_handle(ds); } pid_t dispatch_source_get_pid(dispatch_source_t ds) { return (pid_t)dispatch_source_get_handle(ds); } mach_port_t dispatch_source_get_machport(dispatch_source_t ds) { return (mach_port_t)dispatch_source_get_handle(ds); } uint64_t dispatch_source_get_flags(dispatch_source_t ds) { return dispatch_source_get_mask(ds); } dispatch_source_t dispatch_event_get_source(dispatch_event_t event) { return event; } long dispatch_event_get_error(dispatch_event_t event, long* error) { return dispatch_source_get_error(event, error); } uint64_t dispatch_event_get_flags(dispatch_event_t event) { return dispatch_source_get_data(event); } size_t dispatch_event_get_bytes_available(dispatch_event_t event) { return (size_t)dispatch_source_get_data(event); } unsigned long dispatch_event_get_count(dispatch_event_t event) { return (unsigned long)dispatch_source_get_data(event); } long dispatch_event_get_signal(dispatch_event_t event) { return (long)dispatch_source_get_handle(event); } dispatch_source_t dispatch_source_custom_create( unsigned long behavior, dispatch_source_attr_t attr, dispatch_queue_t queue, dispatch_event_handler_t handler) { return dispatch_source_data_create(behavior, attr, queue, handler); } dispatch_source_t dispatch_source_custom_create_f( unsigned long behavior, dispatch_source_attr_t attr, dispatch_queue_t queue, void *h_context, dispatch_event_handler_function_t handler) { return dispatch_source_data_create_f(behavior, attr, queue, h_context, handler); } #define _dispatch_source_call_block ((void *)-1) #ifdef __BLOCKS__ dispatch_source_t dispatch_source_timer_create(uint64_t flags, uint64_t nanoseconds, uint64_t leeway, dispatch_source_attr_t attr, dispatch_queue_t q, dispatch_source_handler_t callback) { return dispatch_source_timer_create_f(flags, nanoseconds, leeway, attr, q, callback, _dispatch_source_call_block); } #endif dispatch_source_t dispatch_source_timer_create_f(uint64_t timer_flags, uint64_t nanoseconds, uint64_t leeway, dispatch_source_attr_t attr, dispatch_queue_t q, void *context, dispatch_source_handler_function_t callback) { dispatch_source_t ds; dispatch_time_t start; // 6866347 - make sure nanoseconds won't overflow if ((int64_t)nanoseconds < 0) { nanoseconds = INT64_MAX; } if (timer_flags & DISPATCH_TIMER_ONESHOT) { timer_flags |= DISPATCH_TIMER_WALL_CLOCK; } if (timer_flags == (DISPATCH_TIMER_ABSOLUTE|DISPATCH_TIMER_WALL_CLOCK)) { static const struct timespec t0; start = dispatch_walltime(&t0, nanoseconds); } else if (timer_flags & DISPATCH_TIMER_WALL_CLOCK) { start = dispatch_walltime(DISPATCH_TIME_NOW, nanoseconds); } else { start = dispatch_time(DISPATCH_TIME_NOW, nanoseconds); } if (timer_flags & DISPATCH_TIMER_ONESHOT) { // 6866347 - make sure nanoseconds won't overflow nanoseconds = INT64_MAX; // non-repeating (~292 years) } ds = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, (unsigned long)timer_flags, q); if (!ds) { return NULL; } ds = _dispatch_source_create2(ds, attr, context, callback); if (!ds) { return NULL; } dispatch_source_set_timer(ds, start, nanoseconds, leeway); return ds; } #ifdef __BLOCKS__ dispatch_source_t dispatch_source_read_create(int descriptor, dispatch_source_attr_t attr, dispatch_queue_t q, dispatch_source_handler_t callback) { return dispatch_source_read_create_f(descriptor, attr, q, callback, _dispatch_source_call_block); } #endif dispatch_source_t dispatch_source_read_create_f(int fd, dispatch_source_attr_t attr, dispatch_queue_t q, void *context, dispatch_source_handler_function_t callback) { dispatch_source_t ds; ds = dispatch_source_create(DISPATCH_SOURCE_TYPE_READ, fd, 0, q); return _dispatch_source_create2(ds, attr, context, callback); } #ifdef __BLOCKS__ dispatch_source_t dispatch_source_write_create(int descriptor, dispatch_source_attr_t attr, dispatch_queue_t q, dispatch_source_handler_t callback) { return dispatch_source_write_create_f(descriptor, attr, q, callback, _dispatch_source_call_block); } #endif dispatch_source_t dispatch_source_write_create_f(int fd, dispatch_source_attr_t attr, dispatch_queue_t q, void *context, dispatch_source_handler_function_t callback) { dispatch_source_t ds; ds = dispatch_source_create(DISPATCH_SOURCE_TYPE_WRITE, fd, 0, q); return _dispatch_source_create2(ds, attr, context, callback); } #ifdef __BLOCKS__ dispatch_source_t dispatch_source_vnode_create(int descriptor, uint64_t flags, dispatch_source_attr_t attr, dispatch_queue_t q, dispatch_source_handler_t callback) { return dispatch_source_vnode_create_f(descriptor, flags, attr, q, callback, _dispatch_source_call_block); } #endif dispatch_source_t dispatch_source_vnode_create_f(int fd, uint64_t event_mask, dispatch_source_attr_t attr, dispatch_queue_t q, void *context, dispatch_source_handler_function_t callback) { dispatch_source_t ds; ds = dispatch_source_create(DISPATCH_SOURCE_TYPE_VNODE, fd, (unsigned long)event_mask, q); return _dispatch_source_create2(ds, attr, context, callback); } #ifdef __BLOCKS__ dispatch_source_t dispatch_source_signal_create(unsigned long sig, dispatch_source_attr_t attr, dispatch_queue_t q, dispatch_source_handler_t callback) { return dispatch_source_signal_create_f(sig, attr, q, callback, _dispatch_source_call_block); } #endif dispatch_source_t dispatch_source_signal_create_f(unsigned long signo, dispatch_source_attr_t attr, dispatch_queue_t q, void *context, dispatch_source_handler_function_t callback) { dispatch_source_t ds; ds = dispatch_source_create(DISPATCH_SOURCE_TYPE_SIGNAL, signo, 0, q); return _dispatch_source_create2(ds, attr, context, callback); } #ifdef __BLOCKS__ dispatch_source_t dispatch_source_proc_create(pid_t pid, uint64_t flags, dispatch_source_attr_t attr, dispatch_queue_t q, dispatch_source_handler_t callback) { return dispatch_source_proc_create_f(pid, flags, attr, q, callback, _dispatch_source_call_block); } #endif dispatch_source_t dispatch_source_proc_create_f(pid_t pid, uint64_t event_mask, dispatch_source_attr_t attr, dispatch_queue_t q, void *context, dispatch_source_handler_function_t callback) { dispatch_source_t ds; ds = dispatch_source_create(DISPATCH_SOURCE_TYPE_PROC, pid, (unsigned long)event_mask, q); return _dispatch_source_create2(ds, attr, context, callback); } #ifdef __BLOCKS__ dispatch_source_t dispatch_source_vfs_create(uint64_t flags, dispatch_source_attr_t attr, dispatch_queue_t q, dispatch_source_handler_t callback) { return dispatch_source_vfs_create_f(flags, attr, q, callback, _dispatch_source_call_block); } #endif dispatch_source_t dispatch_source_vfs_create_f(uint64_t event_mask, dispatch_source_attr_t attr, dispatch_queue_t q, void *context, dispatch_source_handler_function_t callback) { dispatch_source_t ds; ds = dispatch_source_create(DISPATCH_SOURCE_TYPE_VFS, 0, (unsigned long)event_mask, q); return _dispatch_source_create2(ds, attr, context, callback); } #ifdef __BLOCKS__ dispatch_source_t dispatch_source_data_create(unsigned long behavior, dispatch_source_attr_t attr, dispatch_queue_t q, dispatch_source_handler_t callback) { return dispatch_source_data_create_f(behavior, attr, q, callback, _dispatch_source_call_block); } #endif #ifdef __BLOCKS__ dispatch_source_t dispatch_source_machport_create(mach_port_t mport, uint64_t flags, dispatch_source_attr_t attr, dispatch_queue_t dq, dispatch_source_handler_t callback) { return dispatch_source_machport_create_f(mport, flags, attr, dq, callback, _dispatch_source_call_block); } #endif dispatch_source_t dispatch_source_data_create_f(unsigned long behavior, dispatch_source_attr_t attr, dispatch_queue_t q, void *context, dispatch_source_handler_function_t callback) { dispatch_source_t ds; dispatch_source_type_t type; switch (behavior) { case DISPATCH_SOURCE_CUSTOM_ADD: type = DISPATCH_SOURCE_TYPE_DATA_ADD; break; case DISPATCH_SOURCE_CUSTOM_OR: type = DISPATCH_SOURCE_TYPE_DATA_OR; break; default: return NULL; } ds = dispatch_source_create(type, 0, 0, q); return _dispatch_source_create2(ds, attr, context, callback); } dispatch_source_t dispatch_source_machport_create_f(mach_port_t mport, uint64_t flags, dispatch_source_attr_t attr, dispatch_queue_t dq, void *ctxt, dispatch_source_handler_function_t func) { dispatch_source_t ds; dispatch_source_type_t type; unsigned long newflags = 0; if (flags & ~(DISPATCH_MACHPORT_DEAD|DISPATCH_MACHPORT_RECV)) { return NULL; } // XXX DELETED if (flags & DISPATCH_MACHPORT_DEAD) { type = DISPATCH_SOURCE_TYPE_MACH_SEND; newflags |= DISPATCH_MACH_SEND_DEAD; } else { type = DISPATCH_SOURCE_TYPE_MACH_RECV; } ds = dispatch_source_create(type, mport, newflags, dq); return _dispatch_source_create2(ds, attr, ctxt, func); } #endif /* DISPATCH_NO_LEGACY */ libdispatch-0~svn197/src/object.c0000644000175100017500000001256611505136244016444 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #include "internal.h" void dispatch_debug(dispatch_object_t obj, const char *msg, ...) { va_list ap; va_start(ap, msg); dispatch_debugv(obj, msg, ap); va_end(ap); } void dispatch_debugv(dispatch_object_t dou, const char *msg, va_list ap) { char buf[4096]; size_t offs; struct dispatch_object_s *obj = DO_CAST(dou); if (obj && obj->do_vtable->do_debug) { offs = dx_debug(obj, buf, sizeof(buf)); } else { offs = snprintf(buf, sizeof(buf), "NULL vtable slot"); } snprintf(buf + offs, sizeof(buf) - offs, ": %s", msg); _dispatch_logv(buf, ap); } void dispatch_retain(dispatch_object_t dou) { struct dispatch_object_s *obj = DO_CAST(dou); if (obj->do_xref_cnt == DISPATCH_OBJECT_GLOBAL_REFCNT) { return; // global object } if ((dispatch_atomic_inc(&obj->do_xref_cnt) - 1) == 0) { DISPATCH_CLIENT_CRASH("Resurrection of an object"); } } void _dispatch_retain(dispatch_object_t dou) { struct dispatch_object_s *obj = DO_CAST(dou); if (obj->do_ref_cnt == DISPATCH_OBJECT_GLOBAL_REFCNT) { return; // global object } if ((dispatch_atomic_inc(&obj->do_ref_cnt) - 1) == 0) { DISPATCH_CLIENT_CRASH("Resurrection of an object"); } } void dispatch_release(dispatch_object_t dou) { struct dispatch_object_s *obj = DO_CAST(dou); unsigned int oldval; if (obj->do_xref_cnt == DISPATCH_OBJECT_GLOBAL_REFCNT) { return; } oldval = dispatch_atomic_dec(&obj->do_xref_cnt) + 1; if (fastpath(oldval > 1)) { return; } if (oldval == 1) { if ((uintptr_t)obj->do_vtable == (uintptr_t)&_dispatch_source_kevent_vtable) { return _dispatch_source_xref_release((dispatch_source_t)obj); } if (slowpath(DISPATCH_OBJECT_SUSPENDED(obj))) { // Arguments for and against this assert are within 6705399 DISPATCH_CLIENT_CRASH("Release of a suspended object"); } return _dispatch_release(obj); } DISPATCH_CLIENT_CRASH("Over-release of an object"); } void _dispatch_dispose(dispatch_object_t dou) { struct dispatch_object_s *obj = DO_CAST(dou); dispatch_queue_t tq = obj->do_targetq; dispatch_function_t func = obj->do_finalizer; void *ctxt = obj->do_ctxt; obj->do_vtable = (struct dispatch_object_vtable_s *)0x200; free(obj); if (func && ctxt) { dispatch_async_f(tq, ctxt, func); } _dispatch_release(tq); } void _dispatch_release(dispatch_object_t dou) { struct dispatch_object_s *obj = DO_CAST(dou); unsigned int oldval; if (obj->do_ref_cnt == DISPATCH_OBJECT_GLOBAL_REFCNT) { return; // global object } oldval = dispatch_atomic_dec(&obj->do_ref_cnt) + 1; if (fastpath(oldval > 1)) { return; } if (oldval == 1) { if (obj->do_next != DISPATCH_OBJECT_LISTLESS) { DISPATCH_CRASH("release while enqueued"); } if (obj->do_xref_cnt) { DISPATCH_CRASH("release while external references exist"); } return dx_dispose(obj); } DISPATCH_CRASH("over-release"); } void * dispatch_get_context(dispatch_object_t dou) { struct dispatch_object_s *obj = DO_CAST(dou); return obj->do_ctxt; } void dispatch_set_context(dispatch_object_t dou, void *context) { struct dispatch_object_s *obj = DO_CAST(dou); if (obj->do_ref_cnt != DISPATCH_OBJECT_GLOBAL_REFCNT) { obj->do_ctxt = context; } } void dispatch_set_finalizer_f(dispatch_object_t dou, dispatch_function_t finalizer) { struct dispatch_object_s *obj = DO_CAST(dou); obj->do_finalizer = finalizer; } void dispatch_suspend(dispatch_object_t dou) { struct dispatch_object_s *obj = DO_CAST(dou); if (slowpath(obj->do_ref_cnt == DISPATCH_OBJECT_GLOBAL_REFCNT)) { return; } (void)dispatch_atomic_add(&obj->do_suspend_cnt, DISPATCH_OBJECT_SUSPEND_INTERVAL); } void dispatch_resume(dispatch_object_t dou) { struct dispatch_object_s *obj = DO_CAST(dou); // Global objects cannot be suspended or resumed. This also has the // side effect of saturating the suspend count of an object and // guarding against resuming due to overflow. if (slowpath(obj->do_ref_cnt == DISPATCH_OBJECT_GLOBAL_REFCNT)) { return; } // Switch on the previous value of the suspend count. If the previous // value was a single suspend interval, the object should be resumed. // If the previous value was less than the suspend interval, the object // has been over-resumed. switch (dispatch_atomic_sub(&obj->do_suspend_cnt, DISPATCH_OBJECT_SUSPEND_INTERVAL) + DISPATCH_OBJECT_SUSPEND_INTERVAL) { case DISPATCH_OBJECT_SUSPEND_INTERVAL: _dispatch_wakeup(obj); break; case DISPATCH_OBJECT_SUSPEND_LOCK: case 0: DISPATCH_CLIENT_CRASH("Over-resume of an object"); break; default: break; } } size_t dispatch_object_debug_attr(dispatch_object_t dou, char* buf, size_t bufsiz) { struct dispatch_object_s *obj = DO_CAST(dou); return snprintf(buf, bufsiz, "refcnt = 0x%x, suspend_cnt = 0x%x, ", obj->do_ref_cnt, obj->do_suspend_cnt); } libdispatch-0~svn197/src/object_internal.h0000644000175100017500000001020211505136244020326 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ /* * IMPORTANT: This header file describes INTERNAL interfaces to libdispatch * which are subject to change in future releases of Mac OS X. Any applications * relying on these interfaces WILL break. */ #ifndef __DISPATCH_OBJECT_INTERNAL__ #define __DISPATCH_OBJECT_INTERNAL__ enum { _DISPATCH_CONTINUATION_TYPE = 0x00000, // meta-type for continuations _DISPATCH_QUEUE_TYPE = 0x10000, // meta-type for queues _DISPATCH_SOURCE_TYPE = 0x20000, // meta-type for sources _DISPATCH_SEMAPHORE_TYPE = 0x30000, // meta-type for semaphores _DISPATCH_ATTR_TYPE = 0x10000000, // meta-type for attribute structures DISPATCH_CONTINUATION_TYPE = _DISPATCH_CONTINUATION_TYPE, DISPATCH_QUEUE_ATTR_TYPE = _DISPATCH_QUEUE_TYPE | _DISPATCH_ATTR_TYPE, DISPATCH_QUEUE_TYPE = 1 | _DISPATCH_QUEUE_TYPE, DISPATCH_QUEUE_GLOBAL_TYPE = 2 | _DISPATCH_QUEUE_TYPE, DISPATCH_QUEUE_MGR_TYPE = 3 | _DISPATCH_QUEUE_TYPE, DISPATCH_SEMAPHORE_TYPE = _DISPATCH_SEMAPHORE_TYPE, DISPATCH_SOURCE_ATTR_TYPE = _DISPATCH_SOURCE_TYPE | _DISPATCH_ATTR_TYPE, DISPATCH_SOURCE_KEVENT_TYPE = 1 | _DISPATCH_SOURCE_TYPE, }; #define DISPATCH_VTABLE_HEADER(x) \ unsigned long const do_type; \ const char *const do_kind; \ size_t (*const do_debug)(struct x *, char *, size_t); \ struct dispatch_queue_s *(*const do_invoke)(struct x *); \ bool (*const do_probe)(struct x *); \ void (*const do_dispose)(struct x *) #define dx_type(x) (x)->do_vtable->do_type #define dx_kind(x) (x)->do_vtable->do_kind #define dx_debug(x, y, z) (x)->do_vtable->do_debug((x), (y), (z)) #define dx_dispose(x) (x)->do_vtable->do_dispose(x) #define dx_invoke(x) (x)->do_vtable->do_invoke(x) #define dx_probe(x) (x)->do_vtable->do_probe(x) #define DISPATCH_STRUCT_HEADER(x, y) \ const struct y *do_vtable; \ struct x *volatile do_next; \ unsigned int do_ref_cnt; \ unsigned int do_xref_cnt; \ unsigned int do_suspend_cnt; \ struct dispatch_queue_s *do_targetq; \ void *do_ctxt; \ dispatch_function_t do_finalizer #define DISPATCH_OBJECT_GLOBAL_REFCNT (~0u) #define DISPATCH_OBJECT_SUSPEND_LOCK 1u // "word and bit" must be a power of two to be safely subtracted #define DISPATCH_OBJECT_SUSPEND_INTERVAL 2u #define DISPATCH_OBJECT_SUSPENDED(x) ((x)->do_suspend_cnt >= DISPATCH_OBJECT_SUSPEND_INTERVAL) #ifdef __LP64__ // the bottom nibble must not be zero, the rest of the bits should be random // we sign extend the 64-bit version so that a better instruction encoding is generated on Intel #define DISPATCH_OBJECT_LISTLESS ((void *)0xffffffff89abcdef) #else #define DISPATCH_OBJECT_LISTLESS ((void *)0x89abcdef) #endif #define _dispatch_trysuspend(x) __sync_bool_compare_and_swap(&(x)->do_suspend_cnt, 0, DISPATCH_OBJECT_SUSPEND_INTERVAL) // _dispatch_source_invoke() relies on this testing the whole suspend count // word, not just the lock bit. In other words, no point taking the lock // if the source is suspended or canceled. #define _dispatch_trylock(x) dispatch_atomic_cmpxchg(&(x)->do_suspend_cnt, 0, DISPATCH_OBJECT_SUSPEND_LOCK) struct dispatch_object_vtable_s { DISPATCH_VTABLE_HEADER(dispatch_object_s); }; struct dispatch_object_s { DISPATCH_STRUCT_HEADER(dispatch_object_s, dispatch_object_vtable_s); }; size_t dispatch_object_debug_attr(dispatch_object_t dou, char* buf, size_t bufsiz); void _dispatch_retain(dispatch_object_t dou); void _dispatch_release(dispatch_object_t dou); void _dispatch_dispose(dispatch_object_t dou); dispatch_queue_t _dispatch_wakeup(dispatch_object_t dou); #endif libdispatch-0~svn197/src/legacy.h0000644000175100017500000006150711505136244016446 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ /* * IMPORTANT: This header file describes INTERNAL interfaces to libdispatch * which are subject to change in future releases of Mac OS X. Any applications * relying on these interfaces WILL break. */ /* * LEGACY: This header file describles LEGACY interfaces to libdispatch from an * earlier revision of the API. These interfaces WILL be removed in the future. */ #ifndef __DISPATCH_LEGACY__ #define __DISPATCH_LEGACY__ #ifndef __DISPATCH_INDIRECT__ #error "Please #include instead of this file directly." #include // for HeaderDoc #endif #if HAVE_MACH #include #endif #define DISPATCH_DEPRECATED __attribute__((deprecated)) #define DISPATCH_PUBLIC_API __attribute__((visibility("default"))) typedef struct dispatch_item_s *dispatch_item_t; struct dispatch_item_s { void * di_objc_isa; /* FIXME -- someday... */ struct dispatch_item_s *volatile di_next; dispatch_queue_t di_cback_q; uint32_t di_flags; #if USE_MACH_SEM semaphore_t di_semaphore; #endif #if USE_POSIX_SEM /* Legacy API not supported except with Mach semaphores. */ #endif void * di_work_func; void * di_work_ctxt; void * di_cback_func; void * di_cback_ctxt; void * di_ctxt; }; // Use: dispatch_source_t typedef struct dispatch_source_s *dispatch_event_t; // Obsolete #ifdef __BLOCKS__ typedef void (^dispatch_legacy_block_t)(dispatch_item_t); typedef void (^dispatch_queue_deletion_block_t)(dispatch_queue_t queue); typedef void (^dispatch_source_deletion_t)(dispatch_source_t source); typedef void (^dispatch_event_callback_t)(dispatch_event_t event); typedef void (^dispatch_source_handler_t)(dispatch_source_t source); typedef dispatch_source_handler_t dispatch_event_handler_t; typedef void (^dispatch_source_finalizer_t)(dispatch_source_t source); #endif /* __BLOCKS__ */ // Obsolete typedef void (*dispatch_source_handler_function_t)(void *, dispatch_source_t); typedef void (*dispatch_source_finalizer_function_t)(void *, dispatch_source_t); typedef dispatch_source_handler_function_t dispatch_event_handler_function_t; DISPATCH_DECL(dispatch_source_attr); #define DISPATCH_SOURCE_CREATE_SUSPENDED ((dispatch_source_attr_t)~0ul) #ifdef __BLOCKS__ typedef void (^dispatch_queue_finalizer_t)(dispatch_queue_t queue); #endif typedef void (*dispatch_queue_finalizer_function_t)(void *, dispatch_queue_t); __DISPATCH_BEGIN_DECLS /*! * @function dispatch_queue_attr_create * * @abstract * Creates a new dispatch queue attribute structure. These attributes may be * provided at creation time to modify the default behavior of the queue. * * @discussion * The values present in this structure are copied to newly created queues. * The same attribute structure may be provided to multiple calls to * dispatch_queue_create() but only the values in the structure at the time the * call is made will be used. * * @result * The new dispatch queue attribute structure, initialized to default values. */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_MALLOC DISPATCH_WARN_RESULT DISPATCH_NOTHROW DISPATCH_DEPRECATED dispatch_queue_attr_t dispatch_queue_attr_create(void); /*! * @function dispatch_queue_attr_set_priority * * @abstract * Set the priority level for a dispatch queue. * * @discussion * Priority levels may be: * - DISPATCH_QUEUE_PRIORITY_HIGH * - DISPATCH_QUEUE_PRIORITY_DEFAULT * - DISPATCH_QUEUE_PRIORITY_LOW * Queues set to high priority will be processed * before queues set to default priority or low priority. * Queues set to low priority will be processed only if all * high priority and default priority queues are empty. */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_NONNULL1 DISPATCH_NOTHROW DISPATCH_DEPRECATED void dispatch_queue_attr_set_priority(dispatch_queue_attr_t attr, int priority); #ifdef __BLOCKS__ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_NONNULL1 DISPATCH_NOTHROW DISPATCH_DEPRECATED long dispatch_queue_attr_set_finalizer( dispatch_queue_attr_t attr, dispatch_queue_finalizer_t finalizer); #endif __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_NONNULL1 DISPATCH_NOTHROW DISPATCH_DEPRECATED void dispatch_queue_attr_set_finalizer_f(dispatch_queue_attr_t attr, void *context, dispatch_queue_finalizer_function_t finalizer); /*! * @function dispatch_get_concurrent_queue * * @abstract * Returns a well-known global concurrent queue of a given priority level. * * @discussion * Blocks submitted to the returned queue may be invoked concurrently with * respect to each other. * * These queues are useful for performing one-shot asynchronous operations, * e.g. dispatch_async() to an "anonymous" queue; or for performing parallel * loops concurrently on multiple processors, e.g. dispatch_apply(). * * The dispatch queues returned by this function are managed by the system for * the lifetime of the application, and need not be retained or released * directly by the application. Furthermore, dispatch_suspend() and * dispatch_queue_resume() are not supported on these global queues, and will * be ignored. * * @param priority * The requested priority level for the queue (default is zero): * - DISPATCH_QUEUE_PRIORITY_HIGH * - DISPATCH_QUEUE_PRIORITY_DEFAULT * - DISPATCH_QUEUE_PRIORITY_LOW * * @result * Returns a concurrent dispatch queue for use with dispatch_async(), * dispatch_apply(), et al. */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_PURE DISPATCH_WARN_RESULT DISPATCH_NOTHROW DISPATCH_DEPRECATED dispatch_queue_t dispatch_get_concurrent_queue(long priority); DISPATCH_PUBLIC_API DISPATCH_DEPRECATED void dispatch_queue_attr_set_flags(dispatch_queue_attr_t attr, uint64_t flags); #ifdef __BLOCKS__ DISPATCH_PUBLIC_API DISPATCH_NONNULL1 DISPATCH_NONNULL2 DISPATCH_DEPRECATED dispatch_item_t dispatch_call(dispatch_queue_t, dispatch_legacy_block_t work, dispatch_legacy_block_t completion) __asm__("_dispatch_call2"); #endif /* __BLOCKS__ */ DISPATCH_PUBLIC_API DISPATCH_PURE DISPATCH_WARN_RESULT DISPATCH_DEPRECATED dispatch_queue_t dispatch_queue_get_current(void); // Use: dispatch_retain DISPATCH_PUBLIC_API DISPATCH_NONNULL_ALL DISPATCH_DEPRECATED void dispatch_queue_retain(dispatch_queue_t); // Use: dispatch_release DISPATCH_PUBLIC_API DISPATCH_NONNULL_ALL DISPATCH_DEPRECATED void dispatch_queue_release(dispatch_queue_t); // Use: dispatch_resume DISPATCH_PUBLIC_API DISPATCH_NONNULL_ALL DISPATCH_DEPRECATED void dispatch_queue_resume(dispatch_queue_t); // Use: dispatch_release DISPATCH_PUBLIC_API DISPATCH_NONNULL_ALL DISPATCH_DEPRECATED void dispatch_source_release(dispatch_source_t); // Use: dispatch_suspend DISPATCH_PUBLIC_API DISPATCH_NONNULL_ALL DISPATCH_DEPRECATED void dispatch_source_suspend(dispatch_source_t); // Use: dispatch_resume DISPATCH_PUBLIC_API DISPATCH_NONNULL_ALL DISPATCH_DEPRECATED void dispatch_source_resume(dispatch_source_t); // Use: dispatch_release DISPATCH_PUBLIC_API DISPATCH_NONNULL_ALL DISPATCH_DEPRECATED void dispatch_queue_attr_release(dispatch_queue_attr_t); // Use: dispatch_release DISPATCH_PUBLIC_API DISPATCH_NONNULL_ALL DISPATCH_DEPRECATED void dispatch_source_attr_release(dispatch_source_attr_t); // Use: dispatch_source_get_handle DISPATCH_PUBLIC_API DISPATCH_NONNULL_ALL DISPATCH_WARN_RESULT DISPATCH_DEPRECATED sigset_t dispatch_event_get_signals(dispatch_event_t event); // Use: dispatch_get_context DISPATCH_PUBLIC_API DISPATCH_NONNULL_ALL DISPATCH_DEPRECATED void * dispatch_queue_get_context(dispatch_queue_t queue); // Use: dispatch_set_context DISPATCH_PUBLIC_API DISPATCH_NONNULL1 DISPATCH_DEPRECATED void dispatch_queue_set_context(dispatch_queue_t queue, void *context); // Use: dispatch_get_context DISPATCH_PUBLIC_API DISPATCH_NONNULL_ALL DISPATCH_DEPRECATED void * dispatch_source_get_context(dispatch_source_t source); // Use: dispatch_set_context DISPATCH_PUBLIC_API DISPATCH_NONNULL1 DISPATCH_DEPRECATED void dispatch_source_set_context(dispatch_source_t source, void * context); // Use: dispatch_source_merge_data DISPATCH_PUBLIC_API DISPATCH_NONNULL_ALL DISPATCH_DEPRECATED void dispatch_source_custom_trigger(dispatch_source_t ds); // Use: dispatch_source_cancel __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_NONNULL_ALL DISPATCH_NOTHROW DISPATCH_DEPRECATED void dispatch_cancel(dispatch_source_t); // Use: dispatch_source_testcancel __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_NONNULL_ALL DISPATCH_NOTHROW DISPATCH_DEPRECATED long dispatch_testcancel(dispatch_source_t); // Use: dispatch_source_set_timer __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_NONNULL1 DISPATCH_NOTHROW DISPATCH_DEPRECATED long dispatch_source_timer_set_time(dispatch_source_t ds, uint64_t nanoseconds, uint64_t leeway); // Use: dispatch_source_merge_data __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_NONNULL_ALL DISPATCH_NOTHROW DISPATCH_DEPRECATED void dispatch_source_trigger(dispatch_source_t source, unsigned long value); enum { DISPATCH_ERROR_DOMAIN_NO_ERROR = 0, DISPATCH_ERROR_DOMAIN_POSIX = 1, DISPATCH_ERROR_DOMAIN_MACH = 2, }; // Obsolete __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_NONNULL1 DISPATCH_WARN_RESULT DISPATCH_NOTHROW DISPATCH_DEPRECATED long dispatch_source_get_error(dispatch_source_t source, long* error); #if HAVE_MACH // Use: dispatch_source_get_handle __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_NONNULL_ALL DISPATCH_WARN_RESULT DISPATCH_NOTHROW DISPATCH_DEPRECATED mach_port_t dispatch_source_get_machport(dispatch_source_t source); #endif // Use: dispatch_source_get_handle __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_NONNULL_ALL DISPATCH_WARN_RESULT DISPATCH_NOTHROW DISPATCH_DEPRECATED pid_t dispatch_source_get_descriptor(dispatch_source_t source); // Use: dispatch_source_get_handle __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_NONNULL_ALL DISPATCH_WARN_RESULT DISPATCH_NOTHROW DISPATCH_DEPRECATED pid_t dispatch_source_get_pid(dispatch_source_t source); // Use: dispatch_source_get_mask __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_NONNULL_ALL DISPATCH_WARN_RESULT DISPATCH_NOTHROW DISPATCH_DEPRECATED uint64_t dispatch_source_get_flags(dispatch_source_t source); // LEGACY: dispatch_event_t == dispatch_source_t __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_NONNULL_ALL DISPATCH_WARN_RESULT DISPATCH_NOTHROW DISPATCH_DEPRECATED dispatch_source_t dispatch_event_get_source(dispatch_event_t event); // Use: dispatch_source_get_error __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_NONNULL1 DISPATCH_WARN_RESULT DISPATCH_NOTHROW DISPATCH_DEPRECATED long dispatch_event_get_error(dispatch_event_t event, long* error); __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_NONNULL_ALL DISPATCH_WARN_RESULT DISPATCH_NOTHROW DISPATCH_DEPRECATED uint64_t dispatch_event_get_nanoseconds(dispatch_event_t event); // Use: dispatch_source_get_handle __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_NONNULL_ALL DISPATCH_WARN_RESULT DISPATCH_NOTHROW DISPATCH_DEPRECATED long dispatch_event_get_signal(dispatch_event_t event); // Use: dispatch_source_get_data __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_NONNULL_ALL DISPATCH_WARN_RESULT DISPATCH_NOTHROW DISPATCH_DEPRECATED uint64_t dispatch_event_get_flags(dispatch_event_t event); // Use: dispatch_source_get_data __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_NONNULL_ALL DISPATCH_WARN_RESULT DISPATCH_NOTHROW DISPATCH_DEPRECATED size_t dispatch_event_get_bytes_available(dispatch_event_t event); // Use: dispatch_source_get_data __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_NONNULL_ALL DISPATCH_NOTHROW DISPATCH_DEPRECATED unsigned long dispatch_event_get_count(dispatch_event_t event); // Obsolete __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_MALLOC DISPATCH_WARN_RESULT DISPATCH_NOTHROW DISPATCH_DEPRECATED dispatch_source_attr_t dispatch_source_attr_create(void); // Obsolete #if defined(__BLOCKS__) __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_NOTHROW DISPATCH_DEPRECATED dispatch_source_finalizer_t dispatch_source_attr_get_finalizer(dispatch_source_attr_t attr); #endif /* __BLOCKS__ */ // Obsolete __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_MALLOC DISPATCH_WARN_RESULT DISPATCH_NOTHROW DISPATCH_DEPRECATED dispatch_source_attr_t dispatch_source_attr_copy(dispatch_source_attr_t proto); // Obsolete #ifdef __BLOCKS__ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_NONNULL1 DISPATCH_NOTHROW DISPATCH_DEPRECATED long dispatch_source_attr_set_finalizer( dispatch_source_attr_t attr, dispatch_source_finalizer_t finalizer); #endif /* __BLOCKS__ */ // Obsolete __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_NONNULL1 DISPATCH_NOTHROW DISPATCH_DEPRECATED void dispatch_source_attr_set_finalizer_f( dispatch_source_attr_t attr, void *context, dispatch_source_finalizer_function_t finalizer); // Obsolete __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_NONNULL1 DISPATCH_NOTHROW DISPATCH_DEPRECATED void dispatch_source_attr_set_context( dispatch_source_attr_t attr, void *context); #if HAVE_MACH // Use: dispatch_source_create(DISPATCH_SOURCE_TYPE_MACH_RECV, ...) __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_MALLOC DISPATCH_NONNULL4 DISPATCH_NONNULL5 DISPATCH_NOTHROW DISPATCH_DEPRECATED dispatch_source_t dispatch_source_mig_create( mach_port_t mport, size_t max_size, dispatch_source_attr_t attr, dispatch_queue_t queue, dispatch_mig_callback_t mig_callback); #endif enum { DISPATCH_TIMER_WALL_CLOCK = 0x4, }; enum { DISPATCH_TIMER_INTERVAL = 0x0, DISPATCH_TIMER_ONESHOT = 0x1, DISPATCH_TIMER_ABSOLUTE = 0x3, }; // Use: dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, ...) #ifdef __BLOCKS__ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_MALLOC DISPATCH_NONNULL5 DISPATCH_NONNULL6 DISPATCH_NOTHROW DISPATCH_DEPRECATED dispatch_source_t dispatch_source_timer_create( uint64_t flags, uint64_t nanoseconds, uint64_t leeway, dispatch_source_attr_t attr, dispatch_queue_t queue, dispatch_source_handler_t handler); #endif /* __BLOCKS__ */ // Use: dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, ...) __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_MALLOC DISPATCH_NONNULL5 DISPATCH_NONNULL7 DISPATCH_NOTHROW DISPATCH_DEPRECATED dispatch_source_t dispatch_source_timer_create_f( uint64_t flags, uint64_t nanoseconds, uint64_t leeway, dispatch_source_attr_t attr, dispatch_queue_t queue, void *h_context, dispatch_source_handler_function_t handler); // Use: dispatch_source_create(DISPATCH_SOURCE_TYPE_SIGNAL, ...) #ifdef __BLOCKS__ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_MALLOC DISPATCH_NOTHROW DISPATCH_DEPRECATED dispatch_source_t dispatch_source_signal_create( unsigned long signo, dispatch_source_attr_t attr, dispatch_queue_t queue, dispatch_source_handler_t handler); #endif /* __BLOCKS__ */ // Use: dispatch_source_create(DISPATCH_SOURCE_TYPE_SIGNAL, ...) __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_MALLOC DISPATCH_NONNULL3 DISPATCH_NONNULL5 DISPATCH_NOTHROW DISPATCH_DEPRECATED dispatch_source_t dispatch_source_signal_create_f( unsigned long sig, dispatch_source_attr_t attr, dispatch_queue_t queue, void *h_context, dispatch_source_handler_function_t handler); // Use: dispatch_source_create(DISPATCH_SOURCE_TYPE_READ, ...) #ifdef __BLOCKS__ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_MALLOC DISPATCH_NONNULL3 DISPATCH_NONNULL4 DISPATCH_NOTHROW DISPATCH_DEPRECATED dispatch_source_t dispatch_source_read_create( int descriptor, dispatch_source_attr_t attr, dispatch_queue_t queue, dispatch_source_handler_t handler); #endif /* __BLOCKS__ */ // Use: dispatch_source_create(DISPATCH_SOURCE_TYPE_READ, ...) __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_MALLOC DISPATCH_NONNULL3 DISPATCH_NONNULL5 DISPATCH_NOTHROW DISPATCH_DEPRECATED dispatch_source_t dispatch_source_read_create_f( int descriptor, dispatch_source_attr_t attr, dispatch_queue_t queue, void *h_context, dispatch_source_handler_function_t handler); // Use: dispatch_source_create(DISPATCH_SOURCE_TYPE_WRITE, ...) #ifdef __BLOCKS__ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_MALLOC DISPATCH_NONNULL3 DISPATCH_NONNULL4 DISPATCH_NOTHROW DISPATCH_DEPRECATED dispatch_source_t dispatch_source_write_create( int descriptor, dispatch_source_attr_t attr, dispatch_queue_t queue, dispatch_source_handler_t handler); #endif /* __BLOCKS__ */ // Use: dispatch_source_create(DISPATCH_SOURCE_TYPE_WRITE, ...) __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_MALLOC DISPATCH_NONNULL3 DISPATCH_NONNULL5 DISPATCH_NOTHROW DISPATCH_DEPRECATED dispatch_source_t dispatch_source_write_create_f( int descriptor, dispatch_source_attr_t attr, dispatch_queue_t queue, void *h_context, dispatch_source_handler_function_t handler); // Use: dispatch_source_create(DISPATCH_SOURCE_TYPE_VNODE, ...) #ifdef __BLOCKS__ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_MALLOC DISPATCH_NONNULL4 DISPATCH_NONNULL5 DISPATCH_NOTHROW DISPATCH_DEPRECATED dispatch_source_t dispatch_source_vnode_create( int descriptor, uint64_t flags, dispatch_source_attr_t attr, dispatch_queue_t queue, dispatch_source_handler_t handler); #endif /* __BLOCKS__ */ // Use: dispatch_source_create(DISPATCH_SOURCE_TYPE_VNODE, ...) __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_MALLOC DISPATCH_NONNULL4 DISPATCH_NONNULL6 DISPATCH_NOTHROW DISPATCH_DEPRECATED dispatch_source_t dispatch_source_vnode_create_f( int descriptor, uint64_t flags, dispatch_source_attr_t attr, dispatch_queue_t queue, void *h_context, dispatch_source_handler_function_t handler); // Use: dispatch_source_create(DISPATCH_SOURCE_TYPE_PROC, ...) #ifdef __BLOCKS__ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_MALLOC DISPATCH_NONNULL4 DISPATCH_NONNULL5 DISPATCH_NOTHROW DISPATCH_DEPRECATED dispatch_source_t dispatch_source_proc_create( pid_t pid, uint64_t flags, dispatch_source_attr_t attr, dispatch_queue_t queue, dispatch_source_handler_t handler); #endif /* __BLOCKS__ */ // Use: dispatch_source_create(DISPATCH_SOURCE_TYPE_PROC, ...) __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_MALLOC DISPATCH_NONNULL4 DISPATCH_NONNULL6 DISPATCH_NOTHROW DISPATCH_DEPRECATED dispatch_source_t dispatch_source_proc_create_f( pid_t pid, uint64_t flags, dispatch_source_attr_t attr, dispatch_queue_t queue, void *h_context, dispatch_source_handler_function_t handler); enum { DISPATCH_MACHPORT_DEAD = 0x1, DISPATCH_MACHPORT_RECV = 0x2, DISPATCH_MACHPORT_DELETED = 0x4, }; // Use: dispatch_source_create(DISPATCH_SOURCE_TYPE_MACH_RECV, ...) #if HAVE_MACH #ifdef __BLOCKS__ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_MALLOC DISPATCH_NOTHROW DISPATCH_DEPRECATED dispatch_source_t dispatch_source_machport_create( mach_port_t mport, uint64_t flags, dispatch_source_attr_t attr, dispatch_queue_t queue, dispatch_source_handler_t handler); #endif /* __BLOCKS__ */ // Use: dispatch_source_create(DISPATCH_SOURCE_TYPE_MACH_RECV, ...) __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_MALLOC DISPATCH_NOTHROW DISPATCH_DEPRECATED dispatch_source_t dispatch_source_machport_create_f( mach_port_t mport, uint64_t flags, dispatch_source_attr_t attr, dispatch_queue_t queue, void *h_context, dispatch_source_handler_function_t handler); #endif /* HAVE_MACH */ enum { DISPATCH_SOURCE_DATA_ADD = 1, DISPATCH_SOURCE_DATA_OR, }; // Use: dispatch_source_create(DISPATCH_SOURCE_TYPE_DATA..., ...) #ifdef __BLOCKS__ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_MALLOC DISPATCH_NONNULL3 DISPATCH_NONNULL4 DISPATCH_NOTHROW DISPATCH_DEPRECATED dispatch_source_t dispatch_source_data_create( unsigned long behavior, dispatch_source_attr_t attr, dispatch_queue_t queue, dispatch_source_handler_t handler); #endif /* __BLOCKS__ */ // Use: dispatch_source_create(DISPATCH_SOURCE_TYPE_DATA..., ...) __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_MALLOC DISPATCH_NONNULL3 DISPATCH_NONNULL5 DISPATCH_NOTHROW DISPATCH_DEPRECATED dispatch_source_t dispatch_source_data_create_f( unsigned long behavior, dispatch_source_attr_t attr, dispatch_queue_t queue, void *h_context, dispatch_source_handler_function_t handler); enum { DISPATCH_SOURCE_CUSTOM_ADD = DISPATCH_SOURCE_DATA_ADD, DISPATCH_SOURCE_CUSTOM_OR = DISPATCH_SOURCE_DATA_OR, }; // Use: dispatch_source_create(DISPATCH_SOURCE_TYPE_DATA..., ...) #ifdef __BLOCKS__ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_MALLOC DISPATCH_NONNULL2 DISPATCH_NONNULL3 DISPATCH_NOTHROW DISPATCH_DEPRECATED dispatch_source_t dispatch_source_custom_create( unsigned long behavior, dispatch_source_attr_t attr, dispatch_queue_t queue, dispatch_event_handler_t handler); #endif /* __BLOCKS__ */ // Use: dispatch_source_create(DISPATCH_SOURCE_TYPE_DATA..., ...) __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_MALLOC DISPATCH_NONNULL2 DISPATCH_NONNULL4 DISPATCH_NOTHROW DISPATCH_DEPRECATED dispatch_source_t dispatch_source_custom_create_f( unsigned long behavior, dispatch_source_attr_t attr, dispatch_queue_t queue, void *h_context, dispatch_event_handler_function_t handler); // Use: dispatch_source_create(DISPATCH_SOURCE_TYPE_VFS, ...) #if defined(__BLOCKS__) __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_MALLOC DISPATCH_NONNULL3 DISPATCH_NONNULL4 DISPATCH_DEPRECATED dispatch_source_t dispatch_source_vfs_create( uint64_t flags, dispatch_source_attr_t attr, dispatch_queue_t queue, dispatch_source_handler_t handler); #endif /* __BLOCKS__ */ // Use: dispatch_source_create(DISPATCH_SOURCE_TYPE_VFS, ...) __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_MALLOC DISPATCH_NONNULL3 DISPATCH_NONNULL5 DISPATCH_DEPRECATED dispatch_source_t dispatch_source_vfs_create_f( uint64_t flags, dispatch_source_attr_t attr, dispatch_queue_t queue, void *h_context, dispatch_source_handler_function_t handler); #if HAVE_MACH /* * Raw Mach message support from MIG source. * * It is possible to use the following callback style with the MIG source to * obtain the raw mach message (and send no reply) similar to CFMachPort. * (For more specific CFMachPort compatibility, see below). * * void handle_mach_msg(mach_msg_header *msg) { ... } * ... * DISPATCH_MACHPORT_CALLBACK_DECL(mig_compat_callback, handle_mach_msg); * ... * mig = dispatch_source_mig_create(mp, MY_MAX_MSG_SIZE, NULL, * queue, mig_compat_callback); */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_DEPRECATED boolean_t _dispatch_machport_callback(mach_msg_header_t *msg, mach_msg_header_t *reply, void (*callback)(mach_msg_header_t *)); #define DISPATCH_MACHPORT_CALLBACK_DECL(new_callback, existing_callback) \ __private_extern__ boolean_t \ new_callback(mach_msg_header_t *msg, mach_msg_header_t *reply) \ { return _dispatch_machport_callback(msg, reply, existing_callback); } /* * CFMachPort compatibility. * * It is possible to use existing CFMachPort callbacks with dispatch mig sources * by delcaring the following shim and using the shim as the mig server callback * to dispatch_source_mig_create(). * The CFMachPortRef "port" parameter of the CFMachPortCallBack will be NULL. * If mach_port_set_context() is used, that value will be passed into the "info" * parameter of the CFMachPortCallBack. * * DISPATCH_CFMACHPORT_CALLBACK_DECL(mig_callback, MyCFMachPortCallBack); * * ... * { * kr = mach_port_set_context(mach_task_self(), mp, (mach_vm_address_t)context); * mig = dispatch_source_mig_create(mp, MY_MAX_MSG_SIZE, NULL, * queue, mig_callback); */ struct __CFMachPort; __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) DISPATCH_DEPRECATED boolean_t _dispatch_CFMachPortCallBack(mach_msg_header_t *msg, mach_msg_header_t *reply, void (*callback)(struct __CFMachPort *, void *msg, signed long size, void *)); #define DISPATCH_CFMACHPORT_CALLBACK_DECL(new_callback, existing_callback) \ __private_extern__ boolean_t \ new_callback(mach_msg_header_t *msg, mach_msg_header_t *reply) \ { return _dispatch_CFMachPortCallBack(msg, reply, existing_callback); } #endif /* HAVE_MACH */ __DISPATCH_END_DECLS #endif libdispatch-0~svn197/src/source_kevent.c0000644000175100017500000011255411505136244020050 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #include "internal.h" #include "kevent_internal.h" #if HAVE_MACH #include "protocol.h" #include "protocolServer.h" #endif #include #define DISPATCH_EVFILT_TIMER (-EVFILT_SYSCOUNT - 1) #define DISPATCH_EVFILT_CUSTOM_ADD (-EVFILT_SYSCOUNT - 2) #define DISPATCH_EVFILT_CUSTOM_OR (-EVFILT_SYSCOUNT - 3) #define DISPATCH_EVFILT_SYSCOUNT (EVFILT_SYSCOUNT + 3) static struct dispatch_kevent_s _dispatch_kevent_timer[] = { { .dk_kevent = { .ident = DISPATCH_TIMER_INDEX_WALL, .filter = DISPATCH_EVFILT_TIMER, .udata = &_dispatch_kevent_timer[0], }, .dk_sources = TAILQ_HEAD_INITIALIZER(_dispatch_kevent_timer[0].dk_sources), }, { .dk_kevent = { .ident = DISPATCH_TIMER_INDEX_MACH, .filter = DISPATCH_EVFILT_TIMER, .udata = &_dispatch_kevent_timer[1], }, .dk_sources = TAILQ_HEAD_INITIALIZER(_dispatch_kevent_timer[1].dk_sources), }, }; #define DISPATCH_TIMER_COUNT (sizeof _dispatch_kevent_timer / sizeof _dispatch_kevent_timer[0]) static struct dispatch_kevent_s _dispatch_kevent_data_or = { .dk_kevent = { .filter = DISPATCH_EVFILT_CUSTOM_OR, .flags = EV_CLEAR, .udata = &_dispatch_kevent_data_or, }, .dk_sources = TAILQ_HEAD_INITIALIZER(_dispatch_kevent_data_or.dk_sources), }; static struct dispatch_kevent_s _dispatch_kevent_data_add = { .dk_kevent = { .filter = DISPATCH_EVFILT_CUSTOM_ADD, .udata = &_dispatch_kevent_data_add, }, .dk_sources = TAILQ_HEAD_INITIALIZER(_dispatch_kevent_data_add.dk_sources), }; static void _dispatch_source_merge_kevent(dispatch_source_t ds, const struct kevent *ke); static void _dispatch_kevent_resume(dispatch_kevent_t dk, uint32_t new_flags, uint32_t del_flags); #if HAVE_MACH static void _dispatch_kevent_machport_resume(dispatch_kevent_t dk, uint32_t new_flags, uint32_t del_flags); static void _dispatch_kevent_machport_enable(dispatch_kevent_t dk); static void _dispatch_kevent_machport_disable(dispatch_kevent_t dk); static void _dispatch_drain_mach_messages(struct kevent *ke); static void #endif #if HAVE_MACH _dispatch_mach_notify_source_init(void *context __attribute__((unused))); #endif static const char * _evfiltstr(short filt) { switch (filt) { #define _evfilt2(f) case (f): return #f _evfilt2(EVFILT_READ); _evfilt2(EVFILT_WRITE); _evfilt2(EVFILT_AIO); _evfilt2(EVFILT_VNODE); _evfilt2(EVFILT_PROC); _evfilt2(EVFILT_SIGNAL); _evfilt2(EVFILT_TIMER); #if HAVE_MACH _evfilt2(EVFILT_MACHPORT); #endif _evfilt2(EVFILT_FS); _evfilt2(EVFILT_USER); #if HAVE_DECL_EVFILT_SESSION _evfilt2(EVFILT_SESSION); #endif #if HAVE_DECL_EVFILT_LIO _evfilt2(EVFILT_LIO); #endif _evfilt2(DISPATCH_EVFILT_TIMER); _evfilt2(DISPATCH_EVFILT_CUSTOM_ADD); _evfilt2(DISPATCH_EVFILT_CUSTOM_OR); default: return "EVFILT_missing"; } } #define DSL_HASH_SIZE 256u // must be a power of two #define DSL_HASH(x) ((x) & (DSL_HASH_SIZE - 1)) static TAILQ_HEAD(, dispatch_kevent_s) _dispatch_sources[DSL_HASH_SIZE]; static inline uintptr_t _dispatch_kevent_hash(uintptr_t ident, short filter) { uintptr_t value; #if HAVE_MACH value = (filter == EVFILT_MACHPORT ? MACH_PORT_INDEX(ident) : ident); #else value = ident; #endif return DSL_HASH(value); } static dispatch_kevent_t _dispatch_kevent_find(uintptr_t ident, short filter) { uintptr_t hash = _dispatch_kevent_hash(ident, filter); dispatch_kevent_t dki; TAILQ_FOREACH(dki, &_dispatch_sources[hash], dk_list) { if (dki->dk_kevent.ident == ident && dki->dk_kevent.filter == filter) { break; } } return dki; } static void _dispatch_kevent_insert(dispatch_kevent_t dk) { uintptr_t hash = _dispatch_kevent_hash(dk->dk_kevent.ident, dk->dk_kevent.filter); TAILQ_INSERT_TAIL(&_dispatch_sources[hash], dk, dk_list); } #if DISPATCH_DEBUG void dispatch_debug_kevents(struct kevent* kev, size_t count, const char* str) { size_t i; for (i = 0; i < count; ++i) { _dispatch_log("kevent[%lu] = { ident = %p, filter = %s, flags = 0x%x, fflags = 0x%x, data = %p, udata = %p }: %s", i, (void*)kev[i].ident, _evfiltstr(kev[i].filter), kev[i].flags, kev[i].fflags, (void*)kev[i].data, (void*)kev[i].udata, str); } } #endif static size_t _dispatch_source_kevent_debug(dispatch_source_t ds, char* buf, size_t bufsiz) { size_t offset = _dispatch_source_debug(ds, buf, bufsiz); offset += snprintf(&buf[offset], bufsiz - offset, "filter = %s }", ds->ds_dkev ? _evfiltstr(ds->ds_dkev->dk_kevent.filter) : "????"); return offset; } static void _dispatch_source_init_tail_queue_array(void *context __attribute__((unused))) { unsigned int i; for (i = 0; i < DSL_HASH_SIZE; i++) { TAILQ_INIT(&_dispatch_sources[i]); } TAILQ_INSERT_TAIL(&_dispatch_sources[DSL_HASH(DISPATCH_TIMER_INDEX_WALL)], &_dispatch_kevent_timer[DISPATCH_TIMER_INDEX_WALL], dk_list); TAILQ_INSERT_TAIL(&_dispatch_sources[DSL_HASH(DISPATCH_TIMER_INDEX_MACH)], &_dispatch_kevent_timer[DISPATCH_TIMER_INDEX_MACH], dk_list); TAILQ_INSERT_TAIL(&_dispatch_sources[0], &_dispatch_kevent_data_or, dk_list); TAILQ_INSERT_TAIL(&_dispatch_sources[0], &_dispatch_kevent_data_add, dk_list); } // Find existing kevents, and merge any new flags if necessary void _dispatch_kevent_merge(dispatch_source_t ds) { static dispatch_once_t pred; dispatch_kevent_t dk; typeof(dk->dk_kevent.fflags) new_flags; bool do_resume = false; if (ds->ds_is_installed) { return; } ds->ds_is_installed = true; dispatch_once_f(&pred, NULL, _dispatch_source_init_tail_queue_array); dk = _dispatch_kevent_find(ds->ds_dkev->dk_kevent.ident, ds->ds_dkev->dk_kevent.filter); if (dk) { // If an existing dispatch kevent is found, check to see if new flags // need to be added to the existing kevent new_flags = ~dk->dk_kevent.fflags & ds->ds_dkev->dk_kevent.fflags; dk->dk_kevent.fflags |= ds->ds_dkev->dk_kevent.fflags; free(ds->ds_dkev); ds->ds_dkev = dk; do_resume = new_flags; } else { dk = ds->ds_dkev; _dispatch_kevent_insert(dk); new_flags = dk->dk_kevent.fflags; do_resume = true; } TAILQ_INSERT_TAIL(&dk->dk_sources, ds, ds_list); // Re-register the kevent with the kernel if new flags were added // by the dispatch kevent if (do_resume) { dk->dk_kevent.flags |= EV_ADD; _dispatch_source_kevent_resume(ds, new_flags, 0); ds->ds_is_armed = true; } } void _dispatch_kevent_resume(dispatch_kevent_t dk, uint32_t new_flags, uint32_t del_flags) { switch (dk->dk_kevent.filter) { case DISPATCH_EVFILT_TIMER: case DISPATCH_EVFILT_CUSTOM_ADD: case DISPATCH_EVFILT_CUSTOM_OR: // these types not registered with kevent return; #if HAVE_MACH case EVFILT_MACHPORT: _dispatch_kevent_machport_resume(dk, new_flags, del_flags); break; #endif case EVFILT_PROC: if (dk->dk_kevent.flags & EV_ONESHOT) { return; } // fall through default: _dispatch_update_kq(&dk->dk_kevent); if (dk->dk_kevent.flags & EV_DISPATCH) { dk->dk_kevent.flags &= ~EV_ADD; } break; } } void _dispatch_source_kevent_resume(dispatch_source_t ds, uint32_t new_flags, uint32_t del_flags) { _dispatch_kevent_resume(ds->ds_dkev, new_flags, del_flags); } #ifndef DISPATCH_NO_LEGACY static void _dispatch_kevent_debugger2(void *context, dispatch_source_t unused __attribute__((unused))) { struct sockaddr sa; socklen_t sa_len = sizeof(sa); int c, fd = (int)(long)context; unsigned int i; dispatch_kevent_t dk; dispatch_source_t ds; FILE *debug_stream; c = accept(fd, &sa, &sa_len); if (c == -1) { if (errno != EAGAIN) { (void)dispatch_assume_zero(errno); } return; } #if 0 int r = fcntl(c, F_SETFL, 0); // disable non-blocking IO if (r == -1) { (void)dispatch_assume_zero(errno); } #endif debug_stream = fdopen(c, "a"); if (!dispatch_assume(debug_stream)) { close(c); return; } fprintf(debug_stream, "HTTP/1.0 200 OK\r\n"); fprintf(debug_stream, "Content-type: text/html\r\n"); fprintf(debug_stream, "Pragma: nocache\r\n"); fprintf(debug_stream, "\r\n"); fprintf(debug_stream, "\nPID %u\n\n
    \n", getpid()); //fprintf(debug_stream, "DKDKDKDKDKDKDK\n"); for (i = 0; i < DSL_HASH_SIZE; i++) { if (TAILQ_EMPTY(&_dispatch_sources[i])) { continue; } TAILQ_FOREACH(dk, &_dispatch_sources[i], dk_list) { fprintf(debug_stream, "\t
  • DK %p ident %lu filter %s flags 0x%hx fflags 0x%x data 0x%lx udata %p\n", dk, (unsigned long)dk->dk_kevent.ident, _evfiltstr(dk->dk_kevent.filter), dk->dk_kevent.flags, dk->dk_kevent.fflags, (unsigned long)dk->dk_kevent.data, dk->dk_kevent.udata); fprintf(debug_stream, "\t\t
      \n"); TAILQ_FOREACH(ds, &dk->dk_sources, ds_list) { fprintf(debug_stream, "\t\t\t
    • DS %p refcnt 0x%x suspend 0x%x data 0x%lx mask 0x%lx flags 0x%x
    • \n", ds, ds->do_ref_cnt, ds->do_suspend_cnt, ds->ds_pending_data, ds->ds_pending_data_mask, ds->ds_atomic_flags); if (ds->do_suspend_cnt == DISPATCH_OBJECT_SUSPEND_LOCK) { dispatch_queue_t dq = ds->do_targetq; fprintf(debug_stream, "\t\t
      DQ: %p refcnt 0x%x suspend 0x%x label: %s\n", dq, dq->do_ref_cnt, dq->do_suspend_cnt, dq->dq_label); } } fprintf(debug_stream, "\t\t
    \n"); fprintf(debug_stream, "\t
  • \n"); } } fprintf(debug_stream, "
\n\n\n"); fflush(debug_stream); fclose(debug_stream); } static void _dispatch_kevent_debugger(void *context __attribute__((unused))) { union { struct sockaddr_in sa_in; struct sockaddr sa; } sa_u = { .sa_in = { .sin_family = AF_INET, .sin_addr = { htonl(INADDR_LOOPBACK), }, }, }; dispatch_source_t ds; const char *valstr; int val, r, fd, sock_opt = 1; socklen_t slen = sizeof(sa_u); if (issetugid()) { return; } valstr = getenv("LIBDISPATCH_DEBUGGER"); if (!valstr) { return; } val = atoi(valstr); if (val == 2) { sa_u.sa_in.sin_addr.s_addr = 0; } fd = socket(PF_INET, SOCK_STREAM, 0); if (fd == -1) { (void)dispatch_assume_zero(errno); return; } r = setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (void *)&sock_opt, (socklen_t) sizeof sock_opt); if (r == -1) { (void)dispatch_assume_zero(errno); goto out_bad; } #if 0 r = fcntl(fd, F_SETFL, O_NONBLOCK); if (r == -1) { (void)dispatch_assume_zero(errno); goto out_bad; } #endif r = bind(fd, &sa_u.sa, sizeof(sa_u)); if (r == -1) { (void)dispatch_assume_zero(errno); goto out_bad; } r = listen(fd, SOMAXCONN); if (r == -1) { (void)dispatch_assume_zero(errno); goto out_bad; } r = getsockname(fd, &sa_u.sa, &slen); if (r == -1) { (void)dispatch_assume_zero(errno); goto out_bad; } ds = dispatch_source_read_create_f(fd, NULL, &_dispatch_mgr_q, (void *)(long)fd, _dispatch_kevent_debugger2); if (dispatch_assume(ds)) { _dispatch_log("LIBDISPATCH: debug port: %hu", ntohs(sa_u.sa_in.sin_port)); return; } out_bad: close(fd); } #endif /* DISPATCH_NO_LEGACY */ void _dispatch_source_drain_kevent(struct kevent *ke) { #ifndef DISPATCH_NO_LEGACY static dispatch_once_t pred; #endif dispatch_kevent_t dk = ke->udata; dispatch_source_t dsi; #ifndef DISPATCH_NO_LEGACY dispatch_once_f(&pred, NULL, _dispatch_kevent_debugger); #endif dispatch_debug_kevents(ke, 1, __func__); #if HAVE_MACH if (ke->filter == EVFILT_MACHPORT) { return _dispatch_drain_mach_messages(ke); } #endif dispatch_assert(dk); if (ke->flags & EV_ONESHOT) { dk->dk_kevent.flags |= EV_ONESHOT; } TAILQ_FOREACH(dsi, &dk->dk_sources, ds_list) { _dispatch_source_merge_kevent(dsi, ke); } } static void _dispatch_kevent_dispose(dispatch_kevent_t dk) { uintptr_t hash; switch (dk->dk_kevent.filter) { case DISPATCH_EVFILT_TIMER: case DISPATCH_EVFILT_CUSTOM_ADD: case DISPATCH_EVFILT_CUSTOM_OR: // these sources live on statically allocated lists return; #if HAVE_MACH case EVFILT_MACHPORT: _dispatch_kevent_machport_resume(dk, 0, dk->dk_kevent.fflags); break; #endif case EVFILT_PROC: if (dk->dk_kevent.flags & EV_ONESHOT) { break; // implicitly deleted } // fall through default: if (~dk->dk_kevent.flags & EV_DELETE) { dk->dk_kevent.flags |= EV_DELETE; _dispatch_update_kq(&dk->dk_kevent); } break; } hash = _dispatch_kevent_hash(dk->dk_kevent.ident, dk->dk_kevent.filter); TAILQ_REMOVE(&_dispatch_sources[hash], dk, dk_list); free(dk); } void _dispatch_kevent_release(dispatch_source_t ds) { dispatch_kevent_t dk = ds->ds_dkev; dispatch_source_t dsi; uint32_t del_flags, fflags = 0; ds->ds_dkev = NULL; TAILQ_REMOVE(&dk->dk_sources, ds, ds_list); if (TAILQ_EMPTY(&dk->dk_sources)) { _dispatch_kevent_dispose(dk); } else { TAILQ_FOREACH(dsi, &dk->dk_sources, ds_list) { fflags |= (uint32_t)dsi->ds_pending_data_mask; } del_flags = (uint32_t)ds->ds_pending_data_mask & ~fflags; if (del_flags) { dk->dk_kevent.flags |= EV_ADD; dk->dk_kevent.fflags = fflags; _dispatch_kevent_resume(dk, 0, del_flags); } } ds->ds_is_armed = false; ds->ds_needs_rearm = false; // re-arm is pointless and bad now _dispatch_release(ds); // the retain is done at creation time } void _dispatch_source_merge_kevent(dispatch_source_t ds, const struct kevent *ke) { struct kevent fake; if ((ds->ds_atomic_flags & DSF_CANCELED) || (ds->do_xref_cnt == 0)) { return; } // EVFILT_PROC may fail with ESRCH when the process exists but is a zombie. // We simulate an exit event in this case. if (ke->flags & EV_ERROR) { if (ke->filter == EVFILT_PROC && ke->data == ESRCH) { fake = *ke; fake.flags &= ~EV_ERROR; fake.fflags = NOTE_EXIT; fake.data = 0; ke = &fake; } else { // log the unexpected error (void)dispatch_assume_zero(ke->data); return; } } if (ds->ds_is_level) { // ke->data is signed and "negative available data" makes no sense // zero bytes happens when EV_EOF is set // 10A268 does not fail this assert with EVFILT_READ and a 10 GB file dispatch_assert(ke->data >= 0l); ds->ds_pending_data = ~ke->data; } else if (ds->ds_is_adder) { dispatch_atomic_add(&ds->ds_pending_data, ke->data); } else { dispatch_atomic_or(&ds->ds_pending_data, ke->fflags & ds->ds_pending_data_mask); } // EV_DISPATCH and EV_ONESHOT sources are no longer armed after delivery if (ds->ds_needs_rearm) { ds->ds_is_armed = false; } _dispatch_wakeup(ds); } const struct dispatch_source_vtable_s _dispatch_source_kevent_vtable = { .do_type = DISPATCH_SOURCE_KEVENT_TYPE, .do_kind = "kevent-source", .do_invoke = _dispatch_source_invoke, .do_dispose = _dispatch_source_dispose, .do_probe = _dispatch_source_probe, .do_debug = _dispatch_source_kevent_debug, }; void dispatch_source_merge_data(dispatch_source_t ds, unsigned long val) { struct kevent kev = { .fflags = (typeof(kev.fflags))val, .data = val, }; dispatch_assert(ds->ds_dkev->dk_kevent.filter == DISPATCH_EVFILT_CUSTOM_ADD || ds->ds_dkev->dk_kevent.filter == DISPATCH_EVFILT_CUSTOM_OR); _dispatch_source_merge_kevent(ds, &kev); } static bool dispatch_source_type_kevent_init(dispatch_source_t ds, dispatch_source_type_t type, uintptr_t handle, unsigned long mask, dispatch_queue_t q) { const struct kevent *proto_kev = type->opaque; dispatch_kevent_t dk = NULL; switch (proto_kev->filter) { case EVFILT_SIGNAL: if (handle >= NSIG) { return false; } break; case EVFILT_FS: case DISPATCH_EVFILT_CUSTOM_ADD: case DISPATCH_EVFILT_CUSTOM_OR: case DISPATCH_EVFILT_TIMER: if (handle) { return false; } break; default: break; } dk = calloc(1ul, sizeof(struct dispatch_kevent_s)); if (slowpath(!dk)) { return false; } dk->dk_kevent = *proto_kev; dk->dk_kevent.ident = handle; dk->dk_kevent.flags |= EV_ADD|EV_ENABLE; dk->dk_kevent.fflags |= (uint32_t)mask; dk->dk_kevent.udata = dk; TAILQ_INIT(&dk->dk_sources); // Dispatch Source ds->ds_ident_hack = dk->dk_kevent.ident; ds->ds_dkev = dk; ds->ds_pending_data_mask = dk->dk_kevent.fflags; if ((EV_DISPATCH|EV_ONESHOT) & proto_kev->flags) { ds->ds_is_level = true; ds->ds_needs_rearm = true; } else if (!(EV_CLEAR & proto_kev->flags)) { // we cheat and use EV_CLEAR to mean a "flag thingy" ds->ds_is_adder = true; } return true; } static bool dispatch_source_type_timer_init(dispatch_source_t ds, dispatch_source_type_t type, uintptr_t handle, unsigned long mask, dispatch_queue_t q) { if (!dispatch_source_type_kevent_init(ds, type, handle, mask, q)) { return false; } ds->ds_needs_rearm = true; ds->ds_timer.flags = mask; return true; } static const struct kevent _dispatch_source_type_timer_ke = { .filter = DISPATCH_EVFILT_TIMER, }; const struct dispatch_source_type_s _dispatch_source_type_timer = { .opaque = (void *)&_dispatch_source_type_timer_ke, .mask = DISPATCH_TIMER_INTERVAL|DISPATCH_TIMER_ONESHOT|DISPATCH_TIMER_ABSOLUTE|DISPATCH_TIMER_WALL_CLOCK, .init = dispatch_source_type_timer_init, }; static const struct kevent _dispatch_source_type_read_ke = { .filter = EVFILT_READ, .flags = EV_DISPATCH, }; const struct dispatch_source_type_s _dispatch_source_type_read = { .opaque = (void *)&_dispatch_source_type_read_ke, .init = dispatch_source_type_kevent_init, }; static const struct kevent _dispatch_source_type_write_ke = { .filter = EVFILT_WRITE, .flags = EV_DISPATCH, }; const struct dispatch_source_type_s _dispatch_source_type_write = { .opaque = (void *)&_dispatch_source_type_write_ke, .init = dispatch_source_type_kevent_init, }; static const struct kevent _dispatch_source_type_proc_ke = { .filter = EVFILT_PROC, .flags = EV_CLEAR, }; const struct dispatch_source_type_s _dispatch_source_type_proc = { .opaque = (void *)&_dispatch_source_type_proc_ke, .mask = NOTE_EXIT|NOTE_FORK|NOTE_EXEC #if HAVE_DECL_NOTE_SIGNAL |NOTE_SIGNAL #endif #if HAVE_DECL_NOTE_REAP |NOTE_REAP #endif , .init = dispatch_source_type_kevent_init, }; static const struct kevent _dispatch_source_type_signal_ke = { .filter = EVFILT_SIGNAL, }; const struct dispatch_source_type_s _dispatch_source_type_signal = { .opaque = (void *)&_dispatch_source_type_signal_ke, .init = dispatch_source_type_kevent_init, }; static const struct kevent _dispatch_source_type_vnode_ke = { .filter = EVFILT_VNODE, .flags = EV_CLEAR, }; const struct dispatch_source_type_s _dispatch_source_type_vnode = { .opaque = (void *)&_dispatch_source_type_vnode_ke, .mask = NOTE_DELETE|NOTE_WRITE|NOTE_EXTEND|NOTE_ATTRIB|NOTE_LINK| NOTE_RENAME #if HAVE_DECL_NOTE_REVOKE |NOTE_REVOKE #endif #if HAVE_DECL_NOTE_NONE |NOTE_NONE #endif , .init = dispatch_source_type_kevent_init, }; static const struct kevent _dispatch_source_type_vfs_ke = { .filter = EVFILT_FS, .flags = EV_CLEAR, }; const struct dispatch_source_type_s _dispatch_source_type_vfs = { .opaque = (void *)&_dispatch_source_type_vfs_ke, .mask = VQ_NOTRESP|VQ_NEEDAUTH|VQ_LOWDISK|VQ_MOUNT|VQ_UNMOUNT|VQ_DEAD| VQ_ASSIST|VQ_NOTRESPLOCK #if HAVE_DECL_VQ_UPDATE |VQ_UPDATE #endif #if HAVE_DECL_VQ_VERYLOWDISK |VQ_VERYLOWDISK #endif , .init = dispatch_source_type_kevent_init, }; #if HAVE_MACH static bool dispatch_source_type_mach_send_init(dispatch_source_t ds, dispatch_source_type_t type, uintptr_t handle, unsigned long mask, dispatch_queue_t q) { static dispatch_once_t pred; if (!dispatch_source_type_kevent_init(ds, type, handle, mask, q)) { return false; } ds->ds_is_level = false; dispatch_once_f(&pred, NULL, _dispatch_mach_notify_source_init); return true; } static const struct kevent _dispatch_source_type_mach_send_ke = { .filter = EVFILT_MACHPORT, .flags = EV_DISPATCH, .fflags = DISPATCH_MACHPORT_DEAD, }; const struct dispatch_source_type_s _dispatch_source_type_mach_send = { .opaque = (void *)&_dispatch_source_type_mach_send_ke, .mask = DISPATCH_MACH_SEND_DEAD, .init = dispatch_source_type_mach_send_init, }; static bool dispatch_source_type_mach_recv_init(dispatch_source_t ds, dispatch_source_type_t type, uintptr_t handle, unsigned long mask, dispatch_queue_t q) { if (!dispatch_source_type_kevent_init(ds, type, handle, mask, q)) { return false; } ds->ds_is_level = false; return true; } static const struct kevent _dispatch_source_type_mach_recv_ke = { .filter = EVFILT_MACHPORT, .flags = EV_DISPATCH, .fflags = DISPATCH_MACHPORT_RECV, }; const struct dispatch_source_type_s _dispatch_source_type_mach_recv = { .opaque = (void *)&_dispatch_source_type_mach_recv_ke, .init = dispatch_source_type_mach_recv_init, }; #endif static const struct kevent _dispatch_source_type_data_add_ke = { .filter = DISPATCH_EVFILT_CUSTOM_ADD, }; const struct dispatch_source_type_s _dispatch_source_type_data_add = { .opaque = (void *)&_dispatch_source_type_data_add_ke, .init = dispatch_source_type_kevent_init, }; static const struct kevent _dispatch_source_type_data_or_ke = { .filter = DISPATCH_EVFILT_CUSTOM_OR, .flags = EV_CLEAR, .fflags = ~0, }; const struct dispatch_source_type_s _dispatch_source_type_data_or = { .opaque = (void *)&_dispatch_source_type_data_or_ke, .init = dispatch_source_type_kevent_init, }; // Updates the ordered list of timers based on next fire date for changes to ds. // Should only be called from the context of _dispatch_mgr_q. void _dispatch_timer_list_update(dispatch_source_t ds) { dispatch_source_t dsi = NULL; int idx; dispatch_assert(_dispatch_queue_get_current() == &_dispatch_mgr_q); // do not reschedule timers unregistered with _dispatch_kevent_release() if (!ds->ds_dkev) { return; } // Ensure the source is on the global kevent lists before it is removed and // readded below. _dispatch_kevent_merge(ds); TAILQ_REMOVE(&ds->ds_dkev->dk_sources, ds, ds_list); // change the list if the clock type has changed if (ds->ds_timer.flags & DISPATCH_TIMER_WALL_CLOCK) { idx = DISPATCH_TIMER_INDEX_WALL; } else { idx = DISPATCH_TIMER_INDEX_MACH; } ds->ds_dkev = &_dispatch_kevent_timer[idx]; if (ds->ds_timer.target) { TAILQ_FOREACH(dsi, &ds->ds_dkev->dk_sources, ds_list) { if (dsi->ds_timer.target == 0 || ds->ds_timer.target < dsi->ds_timer.target) { break; } } } if (dsi) { TAILQ_INSERT_BEFORE(dsi, ds, ds_list); } else { TAILQ_INSERT_TAIL(&ds->ds_dkev->dk_sources, ds, ds_list); } } static void _dispatch_run_timers2(unsigned int timer) { dispatch_source_t ds; uint64_t now, missed; if (timer == DISPATCH_TIMER_INDEX_MACH) { now = _dispatch_absolute_time(); } else { now = _dispatch_get_nanoseconds(); } while ((ds = TAILQ_FIRST(&_dispatch_kevent_timer[timer].dk_sources))) { // We may find timers on the wrong list due to a pending update from // dispatch_source_set_timer. Force an update of the list in that case. if (timer != ds->ds_ident_hack) { _dispatch_timer_list_update(ds); continue; } if (!ds->ds_timer.target) { // no configured timers on the list break; } if (ds->ds_timer.target > now) { // Done running timers for now. break; } if (ds->ds_timer.flags & (DISPATCH_TIMER_ONESHOT|DISPATCH_TIMER_ABSOLUTE)) { dispatch_atomic_inc(&ds->ds_pending_data); ds->ds_timer.target = 0; } else { // Calculate number of missed intervals. missed = (now - ds->ds_timer.target) / ds->ds_timer.interval; dispatch_atomic_add(&ds->ds_pending_data, missed + 1); ds->ds_timer.target += (missed + 1) * ds->ds_timer.interval; } _dispatch_timer_list_update(ds); _dispatch_wakeup(ds); } } void _dispatch_run_timers(void) { unsigned int i; for (i = 0; i < DISPATCH_TIMER_COUNT; i++) { _dispatch_run_timers2(i); } } // approx 1 year (60s * 60m * 24h * 365d) #define FOREVER_SEC 3153600l #define FOREVER_NSEC 31536000000000000ull struct timespec * _dispatch_get_next_timer_fire(struct timespec *howsoon) { // // kevent(2) does not allow large timeouts, so we use a long timeout // instead (approximately 1 year). dispatch_source_t ds = NULL; unsigned int timer; uint64_t now, delta_tmp, delta = UINT64_MAX; // We are looking for the first unsuspended timer which has its target // time set. Given timers are kept in order, if we hit an timer that's // unset there's no point in continuing down the list. for (timer = 0; timer < DISPATCH_TIMER_COUNT; timer++) { TAILQ_FOREACH(ds, &_dispatch_kevent_timer[timer].dk_sources, ds_list) { if (!ds->ds_timer.target) { break; } if (DISPATCH_OBJECT_SUSPENDED(ds)) { ds->ds_is_armed = false; } else { break; } } if (!ds || !ds->ds_timer.target) { continue; } if (ds->ds_timer.flags & DISPATCH_TIMER_WALL_CLOCK) { now = _dispatch_get_nanoseconds(); } else { now = _dispatch_absolute_time(); } if (ds->ds_timer.target <= now) { howsoon->tv_sec = 0; howsoon->tv_nsec = 0; return howsoon; } // the subtraction cannot go negative because the previous "if" // verified that the target is greater than now. delta_tmp = ds->ds_timer.target - now; if (!(ds->ds_timer.flags & DISPATCH_TIMER_WALL_CLOCK)) { delta_tmp = _dispatch_time_mach2nano(delta_tmp); } if (delta_tmp < delta) { delta = delta_tmp; } } if (slowpath(delta > FOREVER_NSEC)) { return NULL; } else { howsoon->tv_sec = (time_t)(delta / NSEC_PER_SEC); howsoon->tv_nsec = (long)(delta % NSEC_PER_SEC); } return howsoon; } #if HAVE_MACH static dispatch_source_t _dispatch_mach_notify_source; static mach_port_t _dispatch_port_set; static mach_port_t _dispatch_event_port; #define _DISPATCH_IS_POWER_OF_TWO(v) (!(v & (v - 1)) && v) #define _DISPATCH_HASH(x, y) (_DISPATCH_IS_POWER_OF_TWO(y) ? (MACH_PORT_INDEX(x) & ((y) - 1)) : (MACH_PORT_INDEX(x) % (y))) #define _DISPATCH_MACHPORT_HASH_SIZE 32 #define _DISPATCH_MACHPORT_HASH(x) _DISPATCH_HASH((x), _DISPATCH_MACHPORT_HASH_SIZE) static void _dispatch_port_set_init(void *); static mach_port_t _dispatch_get_port_set(void); void _dispatch_drain_mach_messages(struct kevent *ke) { dispatch_source_t dsi; dispatch_kevent_t dk; struct kevent ke2; if (!dispatch_assume(ke->data)) { return; } dk = _dispatch_kevent_find(ke->data, EVFILT_MACHPORT); if (!dispatch_assume(dk)) { return; } _dispatch_kevent_machport_disable(dk); // emulate EV_DISPATCH EV_SET(&ke2, ke->data, EVFILT_MACHPORT, EV_ADD|EV_ENABLE|EV_DISPATCH, DISPATCH_MACHPORT_RECV, 0, dk); TAILQ_FOREACH(dsi, &dk->dk_sources, ds_list) { _dispatch_source_merge_kevent(dsi, &ke2); } } void _dispatch_port_set_init(void *context __attribute__((unused))) { struct kevent kev = { .filter = EVFILT_MACHPORT, .flags = EV_ADD, }; kern_return_t kr; kr = mach_port_allocate(mach_task_self(), MACH_PORT_RIGHT_PORT_SET, &_dispatch_port_set); DISPATCH_VERIFY_MIG(kr); (void)dispatch_assume_zero(kr); kr = mach_port_allocate(mach_task_self(), MACH_PORT_RIGHT_RECEIVE, &_dispatch_event_port); DISPATCH_VERIFY_MIG(kr); (void)dispatch_assume_zero(kr); kr = mach_port_move_member(mach_task_self(), _dispatch_event_port, _dispatch_port_set); DISPATCH_VERIFY_MIG(kr); (void)dispatch_assume_zero(kr); kev.ident = _dispatch_port_set; _dispatch_update_kq(&kev); } mach_port_t _dispatch_get_port_set(void) { static dispatch_once_t pred; dispatch_once_f(&pred, NULL, _dispatch_port_set_init); return _dispatch_port_set; } void _dispatch_kevent_machport_resume(dispatch_kevent_t dk, uint32_t new_flags, uint32_t del_flags) { mach_port_t previous, port = (mach_port_t)dk->dk_kevent.ident; kern_return_t kr; if ((new_flags & DISPATCH_MACHPORT_RECV) || (!new_flags && !del_flags && dk->dk_kevent.fflags & DISPATCH_MACHPORT_RECV)) { _dispatch_kevent_machport_enable(dk); } if (new_flags & DISPATCH_MACHPORT_DEAD) { kr = mach_port_request_notification(mach_task_self(), port, MACH_NOTIFY_DEAD_NAME, 1, _dispatch_event_port, MACH_MSG_TYPE_MAKE_SEND_ONCE, &previous); DISPATCH_VERIFY_MIG(kr); switch(kr) { case KERN_INVALID_NAME: case KERN_INVALID_RIGHT: // Supress errors break; default: // Else, we dont expect any errors from mach. Log any errors if we do if (dispatch_assume_zero(kr)) { // log the error } else if (dispatch_assume_zero(previous)) { // Another subsystem has beat libdispatch to requesting the Mach // dead-name notification on this port. We should technically cache the // previous port and message it when the kernel messages our port. Or // we can just say screw those subsystems and drop the previous port. // They should adopt libdispatch :-P kr = mach_port_deallocate(mach_task_self(), previous); DISPATCH_VERIFY_MIG(kr); (void)dispatch_assume_zero(kr); } } } if (del_flags & DISPATCH_MACHPORT_RECV) { _dispatch_kevent_machport_disable(dk); } if (del_flags & DISPATCH_MACHPORT_DEAD) { kr = mach_port_request_notification(mach_task_self(), (mach_port_t)dk->dk_kevent.ident, MACH_NOTIFY_DEAD_NAME, 1, MACH_PORT_NULL, MACH_MSG_TYPE_MAKE_SEND_ONCE, &previous); DISPATCH_VERIFY_MIG(kr); switch (kr) { case KERN_INVALID_NAME: case KERN_INVALID_RIGHT: case KERN_INVALID_ARGUMENT: break; default: if (dispatch_assume_zero(kr)) { // log the error } else if (previous) { // the kernel has not consumed the right yet (void)dispatch_assume_zero(_dispatch_send_consume_send_once_right(previous)); } } } } void _dispatch_kevent_machport_enable(dispatch_kevent_t dk) { mach_port_t mp = (mach_port_t)dk->dk_kevent.ident; kern_return_t kr; kr = mach_port_move_member(mach_task_self(), mp, _dispatch_get_port_set()); DISPATCH_VERIFY_MIG(kr); switch (kr) { case KERN_INVALID_NAME: #if DISPATCH_DEBUG _dispatch_log("Corruption: Mach receive right 0x%x destroyed prematurely", mp); #endif break; default: (void)dispatch_assume_zero(kr); } } void _dispatch_kevent_machport_disable(dispatch_kevent_t dk) { mach_port_t mp = (mach_port_t)dk->dk_kevent.ident; kern_return_t kr; kr = mach_port_move_member(mach_task_self(), mp, 0); DISPATCH_VERIFY_MIG(kr); switch (kr) { case KERN_INVALID_RIGHT: case KERN_INVALID_NAME: #if DISPATCH_DEBUG _dispatch_log("Corruption: Mach receive right 0x%x destroyed prematurely", mp); #endif break; case 0: break; default: (void)dispatch_assume_zero(kr); break; } } #define _DISPATCH_MIN_MSG_SZ (8ul * 1024ul - MAX_TRAILER_SIZE) #ifndef DISPATCH_NO_LEGACY dispatch_source_t dispatch_source_mig_create(mach_port_t mport, size_t max_msg_size, dispatch_source_attr_t attr, dispatch_queue_t dq, dispatch_mig_callback_t mig_callback) { if (max_msg_size < _DISPATCH_MIN_MSG_SZ) { max_msg_size = _DISPATCH_MIN_MSG_SZ; } return dispatch_source_machport_create(mport, DISPATCH_MACHPORT_RECV, attr, dq, ^(dispatch_source_t ds) { if (!dispatch_source_get_error(ds, NULL)) { if (dq->dq_width != 1) { dispatch_retain(ds); // this is a shim -- use the external retain dispatch_async(dq, ^{ dispatch_mig_server(ds, max_msg_size, mig_callback); dispatch_release(ds); // this is a shim -- use the external release }); } else { dispatch_mig_server(ds, max_msg_size, mig_callback); } } }); } #endif /* DISPATCH_NO_LEGACY */ static void _dispatch_mach_notify_source2(void *context) { dispatch_source_t ds = context; const size_t maxsz = MAX( sizeof(union __RequestUnion___dispatch_send_libdispatch_internal_protocol_subsystem), sizeof(union __ReplyUnion___dispatch_libdispatch_internal_protocol_subsystem)); dispatch_mig_server(ds, maxsz, libdispatch_internal_protocol_server); } static void _dispatch_mach_notify_source_init(void *context __attribute__((unused))) { _dispatch_get_port_set(); _dispatch_mach_notify_source = dispatch_source_create(DISPATCH_SOURCE_TYPE_MACH_RECV, _dispatch_event_port, 0, &_dispatch_mgr_q); dispatch_assert(_dispatch_mach_notify_source); dispatch_set_context(_dispatch_mach_notify_source, _dispatch_mach_notify_source); dispatch_source_set_event_handler_f(_dispatch_mach_notify_source, _dispatch_mach_notify_source2); dispatch_resume(_dispatch_mach_notify_source); } kern_return_t _dispatch_mach_notify_port_deleted(mach_port_t notify __attribute__((unused)), mach_port_name_t name) { dispatch_source_t dsi; dispatch_kevent_t dk; struct kevent kev; #if DISPATCH_DEBUG _dispatch_log("Corruption: Mach send/send-once/dead-name right 0x%x deleted prematurely", name); #endif dk = _dispatch_kevent_find(name, EVFILT_MACHPORT); if (!dk) { goto out; } EV_SET(&kev, name, EVFILT_MACHPORT, EV_ADD|EV_ENABLE|EV_DISPATCH|EV_EOF, DISPATCH_MACHPORT_DELETED, 0, dk); TAILQ_FOREACH(dsi, &dk->dk_sources, ds_list) { _dispatch_source_merge_kevent(dsi, &kev); // this can never happen again // this must happen after the merge // this may be racy in the future, but we don't provide a 'setter' API for the mask yet dsi->ds_pending_data_mask &= ~DISPATCH_MACHPORT_DELETED; } // no more sources have this flag dk->dk_kevent.fflags &= ~DISPATCH_MACHPORT_DELETED; out: return KERN_SUCCESS; } kern_return_t _dispatch_mach_notify_port_destroyed(mach_port_t notify __attribute__((unused)), mach_port_t name) { kern_return_t kr; // this function should never be called (void)dispatch_assume_zero(name); kr = mach_port_mod_refs(mach_task_self(), name, MACH_PORT_RIGHT_RECEIVE, -1); DISPATCH_VERIFY_MIG(kr); (void)dispatch_assume_zero(kr); return KERN_SUCCESS; } kern_return_t _dispatch_mach_notify_no_senders(mach_port_t notify, mach_port_mscount_t mscnt __attribute__((unused))) { // this function should never be called (void)dispatch_assume_zero(notify); return KERN_SUCCESS; } kern_return_t _dispatch_mach_notify_send_once(mach_port_t notify __attribute__((unused))) { // we only register for dead-name notifications // some code deallocated our send-once right without consuming it #if DISPATCH_DEBUG _dispatch_log("Corruption: An app/library deleted a libdispatch dead-name notification"); #endif return KERN_SUCCESS; } kern_return_t _dispatch_mach_notify_dead_name(mach_port_t notify __attribute__((unused)), mach_port_name_t name) { dispatch_source_t dsi; dispatch_kevent_t dk; struct kevent kev; kern_return_t kr; dk = _dispatch_kevent_find(name, EVFILT_MACHPORT); if (!dk) { goto out; } EV_SET(&kev, name, EVFILT_MACHPORT, EV_ADD|EV_ENABLE|EV_DISPATCH|EV_EOF, DISPATCH_MACHPORT_DEAD, 0, dk); TAILQ_FOREACH(dsi, &dk->dk_sources, ds_list) { _dispatch_source_merge_kevent(dsi, &kev); // this can never happen again // this must happen after the merge // this may be racy in the future, but we don't provide a 'setter' API for the mask yet dsi->ds_pending_data_mask &= ~DISPATCH_MACHPORT_DEAD; } // no more sources have this flag dk->dk_kevent.fflags &= ~DISPATCH_MACHPORT_DEAD; out: // the act of receiving a dead name notification allocates a dead-name right that must be deallocated kr = mach_port_deallocate(mach_task_self(), name); DISPATCH_VERIFY_MIG(kr); //(void)dispatch_assume_zero(kr); return KERN_SUCCESS; } kern_return_t _dispatch_wakeup_main_thread(mach_port_t mp __attribute__((unused))) { // dummy function just to pop out the main thread out of mach_msg() return 0; } kern_return_t _dispatch_consume_send_once_right(mach_port_t mp __attribute__((unused))) { // dummy function to consume a send-once right return 0; } mach_msg_return_t dispatch_mig_server(dispatch_source_t ds, size_t maxmsgsz, dispatch_mig_callback_t callback) { mach_msg_options_t options = MACH_RCV_MSG | MACH_RCV_TIMEOUT | MACH_RCV_TRAILER_ELEMENTS(MACH_RCV_TRAILER_CTX) | MACH_RCV_TRAILER_TYPE(MACH_MSG_TRAILER_FORMAT_0); mach_msg_options_t tmp_options = options; mig_reply_error_t *bufTemp, *bufRequest, *bufReply; mach_msg_return_t kr = 0; unsigned int cnt = 1000; // do not stall out serial queues int demux_success; maxmsgsz += MAX_TRAILER_SIZE; // XXX FIXME -- allocate these elsewhere bufRequest = alloca(maxmsgsz); bufReply = alloca(maxmsgsz); bufReply->Head.msgh_size = 0; // make CLANG happy // XXX FIXME -- change this to not starve out the target queue for (;;) { if (DISPATCH_OBJECT_SUSPENDED(ds) || (--cnt == 0)) { options &= ~MACH_RCV_MSG; tmp_options &= ~MACH_RCV_MSG; if (!(tmp_options & MACH_SEND_MSG)) { break; } } kr = mach_msg(&bufReply->Head, tmp_options, bufReply->Head.msgh_size, (mach_msg_size_t)maxmsgsz, (mach_port_t)ds->ds_ident_hack, 0, 0); tmp_options = options; if (slowpath(kr)) { switch (kr) { case MACH_SEND_INVALID_DEST: case MACH_SEND_TIMED_OUT: if (bufReply->Head.msgh_bits & MACH_MSGH_BITS_COMPLEX) { mach_msg_destroy(&bufReply->Head); } break; case MACH_RCV_TIMED_OUT: case MACH_RCV_INVALID_NAME: break; default: (void)dispatch_assume_zero(kr); break; } break; } if (!(tmp_options & MACH_RCV_MSG)) { break; } bufTemp = bufRequest; bufRequest = bufReply; bufReply = bufTemp; demux_success = callback(&bufRequest->Head, &bufReply->Head); if (!demux_success) { // destroy the request - but not the reply port bufRequest->Head.msgh_remote_port = 0; mach_msg_destroy(&bufRequest->Head); } else if (!(bufReply->Head.msgh_bits & MACH_MSGH_BITS_COMPLEX)) { // if MACH_MSGH_BITS_COMPLEX is _not_ set, then bufReply->RetCode is present if (slowpath(bufReply->RetCode)) { if (bufReply->RetCode == MIG_NO_REPLY) { continue; } // destroy the request - but not the reply port bufRequest->Head.msgh_remote_port = 0; mach_msg_destroy(&bufRequest->Head); } } if (bufReply->Head.msgh_remote_port) { tmp_options |= MACH_SEND_MSG; if (MACH_MSGH_BITS_REMOTE(bufReply->Head.msgh_bits) != MACH_MSG_TYPE_MOVE_SEND_ONCE) { tmp_options |= MACH_SEND_TIMEOUT; } } } return kr; } #endif /* HAVE_MACH */ libdispatch-0~svn197/src/private.h0000644000175100017500000000662311505136244016652 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ /* * IMPORTANT: This header file describes INTERNAL interfaces to libdispatch * which are subject to change in future releases of Mac OS X. Any applications * relying on these interfaces WILL break. */ #ifndef __DISPATCH_PRIVATE__ #define __DISPATCH_PRIVATE__ #ifdef __APPLE__ #include #endif #if HAVE_MACH #include #include #include #endif #if HAVE_UNISTD_H #include #endif #if HAVE_SYS_CDEFS_H #include #endif #include #ifdef __IPHONE_OS_VERSION_MIN_REQUIRED /* iPhone OS does not make any legacy definitions visible */ #define DISPATCH_NO_LEGACY #endif #ifndef __DISPATCH_BUILDING_DISPATCH__ #include_next // Workaround #ifndef __DISPATCH_PUBLIC__ #include "/usr/include/dispatch/dispatch.h" #endif #ifndef __DISPATCH_INDIRECT__ #define __DISPATCH_INDIRECT__ #endif #include #include #include #ifndef DISPATCH_NO_LEGACY #include #endif #undef __DISPATCH_INDIRECT__ #endif /* !__DISPATCH_BUILDING_DISPATCH__ */ /* LEGACY: Use DISPATCH_API_VERSION */ #define LIBDISPATCH_VERSION DISPATCH_API_VERSION __DISPATCH_BEGIN_DECLS DISPATCH_EXPORT DISPATCH_NOTHROW void #if USE_LIBDISPATCH_INIT_CONSTRUCTOR libdispatch_init(void) __attribute__ ((constructor)); #else libdispatch_init(void); #endif #if HAVE_MACH #define DISPATCH_COCOA_COMPAT 1 #if DISPATCH_COCOA_COMPAT __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NOTHROW mach_port_t _dispatch_get_main_queue_port_4CF(void); __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NOTHROW void _dispatch_main_queue_callback_4CF(mach_msg_header_t *msg); __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT void (*dispatch_begin_thread_4GC)(void); __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT void (*dispatch_end_thread_4GC)(void); __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT void *(*_dispatch_begin_NSAutoReleasePool)(void); __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT void (*_dispatch_end_NSAutoReleasePool)(void *); #endif #endif /* HAVE_MACH */ /* pthreads magic */ DISPATCH_NOTHROW void dispatch_atfork_prepare(void); DISPATCH_NOTHROW void dispatch_atfork_parent(void); DISPATCH_NOTHROW void dispatch_atfork_child(void); DISPATCH_NOTHROW void dispatch_init_pthread(pthread_t); #if HAVE_MACH /* * Extract the context pointer from a mach message trailer. */ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) void * dispatch_mach_msg_get_context(mach_msg_header_t *msg); #endif __DISPATCH_END_DECLS #endif libdispatch-0~svn197/src/internal.h0000644000175100017500000002410211505136244017004 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ /* * IMPORTANT: This header file describes INTERNAL interfaces to libdispatch * which are subject to change in future releases of Mac OS X. Any applications * relying on these interfaces WILL break. */ #ifndef __DISPATCH_INTERNAL__ #define __DISPATCH_INTERNAL__ #include "config/config.h" #ifdef __APPLE__ #include #endif #if TARGET_OS_WIN32 // Include Win32 headers early in order to minimize the // likelihood of name pollution from dispatch headers. #ifndef WINVER #define WINVER 0x502 #endif #ifndef _WIN32_WINNT #define _WIN32_WINNT 0x502 #endif #ifndef _MSC_VER #define _MSC_VER 1400 #pragma warning(disable:4159) #endif #define WIN32_LEAN_AND_MEAN 1 #define _CRT_SECURE_NO_DEPRECATE 1 #define _CRT_SECURE_NO_WARNINGS 1 #define BOOL WINBOOL #include #undef BOOL #endif /* TARGET_OS_WIN32 */ #define __DISPATCH_BUILDING_DISPATCH__ #define __DISPATCH_INDIRECT__ #include "dispatch/dispatch.h" #include "dispatch/base.h" #include "dispatch/time.h" #include "dispatch/queue.h" #include "dispatch/object.h" #include "dispatch/source.h" #include "dispatch/group.h" #include "dispatch/semaphore.h" #include "dispatch/once.h" #include "dispatch/benchmark.h" /* private.h uses #include_next and must be included last to avoid picking * up installed headers. */ #include "queue_private.h" #include "source_private.h" #include "private.h" #ifndef DISPATCH_NO_LEGACY #include "legacy.h" #endif /* More #includes at EOF (dependent on the contents of internal.h) ... */ /* The "_debug" library build */ #ifndef DISPATCH_DEBUG #define DISPATCH_DEBUG 0 #endif #if HAVE_LIBKERN_OSCROSSENDIAN_H #include #endif #if HAVE_LIBKERN_OSATOMIC_H #include #endif #if HAVE_MACH #include #include #include #include #include #include #include #include #include #include #include #include #include #include #endif /* HAVE_MACH */ #if HAVE_MALLOC_MALLOC_H #include #endif #include #include #include #if HAVE_SYS_SYSCTL_H #include #endif #include #include #include #ifdef __BLOCKS__ #if TARGET_OS_WIN32 #define BLOCK_EXPORT extern "C" __declspec(dllexport) #endif /* TARGET_OS_WIN32 */ #include #include #endif /* __BLOCKS__ */ #include #include #include #include #include #if USE_POSIX_SEM #include #endif #include #include #include #include #include #include #include #include #if HAVE_UNISTD_H #include #endif #define DISPATCH_NOINLINE __attribute__((noinline)) // workaround 6368156 #ifdef NSEC_PER_SEC #undef NSEC_PER_SEC #endif #ifdef USEC_PER_SEC #undef USEC_PER_SEC #endif #ifdef NSEC_PER_USEC #undef NSEC_PER_USEC #endif #define NSEC_PER_SEC 1000000000ull #define USEC_PER_SEC 1000000ull #define NSEC_PER_USEC 1000ull /* I wish we had __builtin_expect_range() */ #if __GNUC__ #define fastpath(x) ((typeof(x))__builtin_expect((long)(x), ~0l)) #define slowpath(x) ((typeof(x))__builtin_expect((long)(x), 0l)) #else #define fastpath(x) (x) #define slowpath(x) (x) #endif void _dispatch_bug(size_t line, long val) __attribute__((__noinline__)); void _dispatch_abort(size_t line, long val) __attribute__((__noinline__,__noreturn__)); void _dispatch_log(const char *msg, ...) __attribute__((__noinline__,__format__(printf,1,2))); void _dispatch_logv(const char *msg, va_list) __attribute__((__noinline__,__format__(printf,1,0))); /* * For reporting bugs within libdispatch when using the "_debug" version of the library. */ #define dispatch_assert(e) do { \ if (__builtin_constant_p(e)) { \ char __compile_time_assert__[(bool)(e) ? 1 : -1] __attribute__((unused)); \ } else { \ typeof(e) _e = fastpath(e); /* always eval 'e' */ \ if (DISPATCH_DEBUG && !_e) { \ _dispatch_abort(__LINE__, (long)_e); \ } \ } \ } while (0) /* A lot of API return zero upon success and not-zero on fail. Let's capture and log the non-zero value */ #define dispatch_assert_zero(e) do { \ if (__builtin_constant_p(e)) { \ char __compile_time_assert__[(bool)(!(e)) ? 1 : -1] __attribute__((unused)); \ } else { \ typeof(e) _e = slowpath(e); /* always eval 'e' */ \ if (DISPATCH_DEBUG && _e) { \ _dispatch_abort(__LINE__, (long)_e); \ } \ } \ } while (0) /* * For reporting bugs or impedance mismatches between libdispatch and external subsystems. * These do NOT abort(), and are always compiled into the product. * * In particular, we wrap all system-calls with assume() macros. */ #define dispatch_assume(e) ({ \ typeof(e) _e = fastpath(e); /* always eval 'e' */ \ if (!_e) { \ if (__builtin_constant_p(e)) { \ char __compile_time_assert__[(e) ? 1 : -1]; \ (void)__compile_time_assert__; \ } \ _dispatch_bug(__LINE__, (long)_e); \ } \ _e; \ }) /* A lot of API return zero upon success and not-zero on fail. Let's capture and log the non-zero value */ #define dispatch_assume_zero(e) ({ \ typeof(e) _e = slowpath(e); /* always eval 'e' */ \ if (_e) { \ if (__builtin_constant_p(e)) { \ char __compile_time_assert__[(e) ? -1 : 1]; \ (void)__compile_time_assert__; \ } \ _dispatch_bug(__LINE__, (long)_e); \ } \ _e; \ }) /* * For reporting bugs in clients when using the "_debug" version of the library. */ #define dispatch_debug_assert(e, msg, args...) do { \ if (__builtin_constant_p(e)) { \ char __compile_time_assert__[(bool)(e) ? 1 : -1] __attribute__((unused)); \ } else { \ typeof(e) _e = fastpath(e); /* always eval 'e' */ \ if (DISPATCH_DEBUG && !_e) { \ _dispatch_log("%s() 0x%lx: " msg, __func__, (long)_e, ##args); \ abort(); \ } \ } \ } while (0) #if __GNUC__ #define DO_CAST(x) ((struct dispatch_object_s *)(x)._do) #else #define DO_CAST(x) ((struct dispatch_object_s *)(x)) #endif #ifdef __BLOCKS__ dispatch_block_t _dispatch_Block_copy(dispatch_block_t block); void _dispatch_call_block_and_release(void *block); void _dispatch_call_block_and_release2(void *block, void *ctxt); #endif /* __BLOCKS__ */ void dummy_function(void); long dummy_function_r0(void); /* Make sure the debug statments don't get too stale */ #define _dispatch_debug(x, args...) \ ({ \ if (DISPATCH_DEBUG) { \ _dispatch_log("libdispatch: %u\t%p\t" x, __LINE__, \ (void *)_dispatch_thread_self(), ##args); \ } \ }) uint64_t _dispatch_get_nanoseconds(void); #ifndef DISPATCH_NO_LEGACY dispatch_source_t _dispatch_source_create2(dispatch_source_t ds, dispatch_source_attr_t attr, void *context, dispatch_source_handler_function_t handler); #endif void _dispatch_run_timers(void); // Returns howsoon with updated time value, or NULL if no timers active. struct timespec *_dispatch_get_next_timer_fire(struct timespec *howsoon); dispatch_semaphore_t _dispatch_get_thread_semaphore(void); void _dispatch_put_thread_semaphore(dispatch_semaphore_t); bool _dispatch_source_testcancel(dispatch_source_t); uint64_t _dispatch_timeout(dispatch_time_t when); #if USE_POSIX_SEM struct timespec _dispatch_timeout_ts(dispatch_time_t when); #endif __private_extern__ bool _dispatch_safe_fork; __private_extern__ struct _dispatch_hw_config_s { uint32_t cc_max_active; uint32_t cc_max_logical; uint32_t cc_max_physical; } _dispatch_hw_config; /* #includes dependent on internal.h */ #include "object_internal.h" #include "hw_shims.h" #include "os_shims.h" #include "queue_internal.h" #include "semaphore_internal.h" #include "source_internal.h" #if USE_APPLE_CRASHREPORTER_INFO #if HAVE_MACH // MIG_REPLY_MISMATCH means either: // 1) A signal handler is NOT using async-safe API. See the sigaction(2) man page for more info. // 2) A hand crafted call to mach_msg*() screwed up. Use MIG. #define DISPATCH_VERIFY_MIG(x) do { \ if ((x) == MIG_REPLY_MISMATCH) { \ __crashreporter_info__ = "MIG_REPLY_MISMATCH"; \ _dispatch_hardware_crash(); \ } \ } while (0) #endif #if defined(__x86_64__) || defined(__i386__) // total hack to ensure that return register of a function is not trashed #define DISPATCH_CRASH(x) do { \ asm("mov %1, %0" : "=m" (__crashreporter_info__) : "c" ("BUG IN LIBDISPATCH: " x)); \ _dispatch_hardware_crash(); \ } while (0) #define DISPATCH_CLIENT_CRASH(x) do { \ asm("mov %1, %0" : "=m" (__crashreporter_info__) : "c" ("BUG IN CLIENT OF LIBDISPATCH: " x)); \ _dispatch_hardware_crash(); \ } while (0) #else /* !(defined(__x86_64__) || defined(__i386__)) */ #define DISPATCH_CRASH(x) do { \ __crashreporter_info__ = "BUG IN LIBDISPATCH: " x; \ _dispatch_hardware_crash(); \ } while (0) #define DISPATCH_CLIENT_CRASH(x) do { \ __crashreporter_info__ = "BUG IN CLIENT OF LIBDISPATCH: " x; \ _dispatch_hardware_crash(); \ } while (0) #endif /* defined(__x86_64__) || defined(__i386__) */ #else /* !USE_APPLE_CRASHREPORTER_INFO */ #if HAVE_MACH #define DISPATCH_VERIFY_MIG(x) do { \ if ((x) == MIG_REPLY_MISMATCH) { \ _dispatch_hardware_crash(); \ } \ } while (0) #endif #define DISPATCH_CRASH(x) _dispatch_hardware_crash() #define DISPATCH_CLIENT_CRASH(x) _dispatch_hardware_crash() #endif /* USE_APPLE_CRASHREPORTER_INFO */ #endif /* __DISPATCH_INTERNAL__ */ libdispatch-0~svn197/src/semaphore.c0000644000175100017500000004531311505136244017155 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #include "internal.h" // semaphores are too fundamental to use the dispatch_assume*() macros #if USE_MACH_SEM #define DISPATCH_SEMAPHORE_VERIFY_KR(x) do { \ if (x) { \ DISPATCH_CRASH("flawed group/semaphore logic"); \ } \ } while (0) #endif #if USE_POSIX_SEM #define DISPATCH_SEMAPHORE_VERIFY_RET(x) do { \ if ((x) == -1) { \ DISPATCH_CRASH("flawed group/semaphore logic"); \ } \ } while (0) #endif struct dispatch_semaphore_vtable_s { DISPATCH_VTABLE_HEADER(dispatch_semaphore_s); }; static void _dispatch_semaphore_dispose(dispatch_semaphore_t dsema); static size_t _dispatch_semaphore_debug(dispatch_semaphore_t dsema, char *buf, size_t bufsiz); static long _dispatch_group_wake(dispatch_semaphore_t dsema); const struct dispatch_semaphore_vtable_s _dispatch_semaphore_vtable = { .do_type = DISPATCH_SEMAPHORE_TYPE, .do_kind = "semaphore", .do_dispose = _dispatch_semaphore_dispose, .do_debug = _dispatch_semaphore_debug, }; dispatch_semaphore_t _dispatch_get_thread_semaphore(void) { dispatch_semaphore_t dsema; dsema = (dispatch_semaphore_t)fastpath(_dispatch_thread_getspecific(dispatch_sema4_key)); if (!dsema) { while (!(dsema = dispatch_semaphore_create(0))) { sleep(1); } } _dispatch_thread_setspecific(dispatch_sema4_key, NULL); return dsema; } void _dispatch_put_thread_semaphore(dispatch_semaphore_t dsema) { dispatch_semaphore_t old_sema = (dispatch_semaphore_t)_dispatch_thread_getspecific(dispatch_sema4_key); _dispatch_thread_setspecific(dispatch_sema4_key, dsema); if (old_sema) { dispatch_release(old_sema); } } dispatch_group_t dispatch_group_create(void) { return (dispatch_group_t)dispatch_semaphore_create(LONG_MAX); } dispatch_semaphore_t dispatch_semaphore_create(long value) { dispatch_semaphore_t dsema; #if USE_POSIX_SEM int ret; #endif // If the internal value is negative, then the absolute of the value is // equal to the number of waiting threads. Therefore it is bogus to // initialize the semaphore with a negative value. if (value < 0) { return NULL; } dsema = (dispatch_semaphore_t)calloc(1, sizeof(struct dispatch_semaphore_s)); if (fastpath(dsema)) { dsema->do_vtable = &_dispatch_semaphore_vtable; dsema->do_next = (dispatch_semaphore_t)DISPATCH_OBJECT_LISTLESS; dsema->do_ref_cnt = 1; dsema->do_xref_cnt = 1; dsema->do_targetq = dispatch_get_global_queue(0, 0); dsema->dsema_value = value; dsema->dsema_orig = value; #if USE_POSIX_SEM ret = sem_init(&dsema->dsema_sem, 0, 0); (void)dispatch_assume_zero(ret); #endif } return dsema; } #if USE_MACH_SEM static void _dispatch_semaphore_create_port(semaphore_t *s4) { kern_return_t kr; semaphore_t tmp; if (*s4) { return; } // lazily allocate the semaphore port // Someday: // 1) Switch to a doubly-linked FIFO in user-space. // 2) User-space timers for the timeout. // 3) Use the per-thread semaphore port. while (dispatch_assume_zero(kr = semaphore_create(mach_task_self(), &tmp, SYNC_POLICY_FIFO, 0))) { DISPATCH_VERIFY_MIG(kr); sleep(1); } if (!dispatch_atomic_cmpxchg(s4, 0, tmp)) { kr = semaphore_destroy(mach_task_self(), tmp); DISPATCH_SEMAPHORE_VERIFY_KR(kr); } _dispatch_safe_fork = false; } #endif #if USE_WIN32_SEM static void _dispatch_semaphore_create_handle(HANDLE *s4) { HANDLE tmp; if (*s4) { return; } // lazily allocate the semaphore port while (dispatch_assume(tmp = CreateSemaphore(NULL, 0, LONG_MAX, NULL)) == NULL) { sleep(1); } if (!dispatch_atomic_cmpxchg(s4, 0, tmp)) { CloseHandle(tmp); } } #endif /* USE_WIN32_SEM */ DISPATCH_NOINLINE static long _dispatch_semaphore_wait_slow(dispatch_semaphore_t dsema, dispatch_time_t timeout) { #if USE_MACH_SEM mach_timespec_t _timeout; kern_return_t kr; #endif #if USE_POSIX_SEM struct timespec _timeout; #endif #if USE_POSIX_SEM || USE_WIN32_SEM int ret; #endif long orig; again: // Mach semaphores appear to sometimes spuriously wake up. Therefore, // we keep a parallel count of the number of times a Mach semaphore is // signaled (6880961). while ((orig = dsema->dsema_sent_ksignals)) { if (dispatch_atomic_cmpxchg(&dsema->dsema_sent_ksignals, orig, orig - 1)) { return 0; } } #if USE_MACH_SEM _dispatch_semaphore_create_port(&dsema->dsema_port); #endif #if USE_WIN32_SEM _dispatch_semaphore_create_handle(&dsema->dsema_handle); #endif // From xnu/osfmk/kern/sync_sema.c: // wait_semaphore->count = -1; /* we don't keep an actual count */ // // The code above does not match the documentation, and that fact is // not surprising. The documented semantics are clumsy to use in any // practical way. The above hack effectively tricks the rest of the // Mach semaphore logic to behave like the libdispatch algorithm. switch (timeout) { default: #if USE_MACH_SEM do { uint64_t nsec; // timeout() already calculates relative time left nsec = _dispatch_timeout(timeout); _timeout.tv_sec = (typeof(_timeout.tv_sec))(nsec / NSEC_PER_SEC); _timeout.tv_nsec = (typeof(_timeout.tv_nsec))(nsec % NSEC_PER_SEC); kr = slowpath(semaphore_timedwait(dsema->dsema_port, _timeout)); } while (kr == KERN_ABORTED); if (kr != KERN_OPERATION_TIMED_OUT) { DISPATCH_SEMAPHORE_VERIFY_KR(kr); break; } #endif #if USE_POSIX_SEM do { _timeout = _dispatch_timeout_ts(timeout); ret = slowpath(sem_timedwait(&dsema->dsema_sem, &_timeout)); } while (ret == -1 && errno == EINTR); if (!(ret == -1 && errno == ETIMEDOUT)) { DISPATCH_SEMAPHORE_VERIFY_RET(ret); break; } #endif #if USE_WIN32_SEM do { uint64_t nsec; DWORD msec; nsec = _dispatch_timeout(timeout); msec = (DWORD)(nsec / (uint64_t)1000000); ret = WaitForSingleObject(dsema->dsema_handle, msec); } while (ret != WAIT_OBJECT_0 && ret != WAIT_TIMEOUT); if (ret != WAIT_TIMEOUT) { break; } #endif /* USE_WIN32_SEM */ // Fall through and try to undo what the fast path did to dsema->dsema_value case DISPATCH_TIME_NOW: while ((orig = dsema->dsema_value) < 0) { if (dispatch_atomic_cmpxchg(&dsema->dsema_value, orig, orig + 1)) { #if USE_MACH_SEM return KERN_OPERATION_TIMED_OUT; #endif #if USE_POSIX_SEM || USE_WIN32_SEM errno = ETIMEDOUT; return -1; #endif } } // Another thread called semaphore_signal(). // Fall through and drain the wakeup. case DISPATCH_TIME_FOREVER: #if USE_MACH_SEM do { kr = semaphore_wait(dsema->dsema_port); } while (kr == KERN_ABORTED); DISPATCH_SEMAPHORE_VERIFY_KR(kr); #endif #if USE_POSIX_SEM do { ret = sem_wait(&dsema->dsema_sem); } while (ret != 0); DISPATCH_SEMAPHORE_VERIFY_RET(ret); #endif #if USE_WIN32_SEM do { ret = WaitForSingleObject(dsema->dsema_handle, INFINITE); } while (ret != WAIT_OBJECT_0); #endif break; } goto again; } DISPATCH_NOINLINE void dispatch_group_enter(dispatch_group_t dg) { dispatch_semaphore_t dsema = (dispatch_semaphore_t)dg; #if USE_APPLE_SEMAPHORE_OPTIMIZATIONS && defined(__OPTIMIZE__) && defined(__GNUC__) && (defined(__x86_64__) || defined(__i386__)) && !defined(__llvm__) // This assumes: // 1) Way too much about the optimizer of GCC. // 2) There will never be more than LONG_MAX threads. // Therefore: no overflow detection asm( #ifdef __LP64__ "lock decq %0\n\t" #else "lock decl %0\n\t" #endif "js 1f\n\t" "ret\n\t" "1:" : "+m" (dsema->dsema_value) : : "cc" ); _dispatch_semaphore_wait_slow(dsema, DISPATCH_TIME_FOREVER); #else dispatch_semaphore_wait(dsema, DISPATCH_TIME_FOREVER); #endif } DISPATCH_NOINLINE long dispatch_semaphore_wait(dispatch_semaphore_t dsema, dispatch_time_t timeout) { #if USE_APPLE_SEMAPHORE_OPTIMIZATIONS && defined(__OPTIMIZE__) && defined(__GNUC__) && (defined(__x86_64__) || defined(__i386__)) && !defined(__llvm__) // This assumes: // 1) Way too much about the optimizer of GCC. // 2) There will never be more than LONG_MAX threads. // Therefore: no overflow detection asm( #ifdef __LP64__ "lock decq %0\n\t" #else "lock decl %0\n\t" #endif "js 1f\n\t" "xor %%eax, %%eax\n\t" "ret\n\t" "1:" : "+m" (dsema->dsema_value) : : "cc" ); #else if (dispatch_atomic_dec(&dsema->dsema_value) >= 0) { return 0; } #endif return _dispatch_semaphore_wait_slow(dsema, timeout); } DISPATCH_NOINLINE static long _dispatch_semaphore_signal_slow(dispatch_semaphore_t dsema) { #if USE_POSIX_SEM || USE_WIN32_SEM int ret; #endif #if USE_MACH_SEM kern_return_t kr; _dispatch_semaphore_create_port(&dsema->dsema_port); #endif #if USE_WIN32_SEM _dispatch_semaphore_create_handle(&dsema->dsema_handle); #endif // Before dsema_sent_ksignals is incremented we can rely on the reference // held by the waiter. However, once this value is incremented the waiter // may return between the atomic increment and the semaphore_signal(), // therefore an explicit reference must be held in order to safely access // dsema after the atomic increment. _dispatch_retain(dsema); dispatch_atomic_inc(&dsema->dsema_sent_ksignals); #if USE_MACH_SEM kr = semaphore_signal(dsema->dsema_port); DISPATCH_SEMAPHORE_VERIFY_KR(kr); #endif #if USE_POSIX_SEM ret = sem_post(&dsema->dsema_sem); DISPATCH_SEMAPHORE_VERIFY_RET(ret); #endif #if USE_WIN32_SEM // Signal the semaphore. ret = ReleaseSemaphore(dsema->dsema_handle, 1, NULL); #endif _dispatch_release(dsema); return 1; } void dispatch_group_leave(dispatch_group_t dg) { dispatch_semaphore_t dsema = (dispatch_semaphore_t)dg; dispatch_semaphore_signal(dsema); if (dsema->dsema_value == dsema->dsema_orig) { _dispatch_group_wake(dsema); } } DISPATCH_NOINLINE long dispatch_semaphore_signal(dispatch_semaphore_t dsema) { #if USE_APPLE_SEMAPHORE_OPTIMIZATIONS && defined(__OPTIMIZE__) && defined(__GNUC__) && (defined(__x86_64__) || defined(__i386__)) && !defined(__llvm__) // overflow detection // this assumes way too much about the optimizer of GCC asm( #ifdef __LP64__ "lock incq %0\n\t" #else "lock incl %0\n\t" #endif "jo 1f\n\t" "jle 2f\n\t" "xor %%eax, %%eax\n\t" "ret\n\t" "1:\n\t" "int $4\n\t" "2:" : "+m" (dsema->dsema_value) : : "cc" ); #else if (dispatch_atomic_inc(&dsema->dsema_value) > 0) { return 0; } #endif return _dispatch_semaphore_signal_slow(dsema); } DISPATCH_NOINLINE long _dispatch_group_wake(dispatch_semaphore_t dsema) { struct dispatch_sema_notify_s *tmp; struct dispatch_sema_notify_s *head = (struct dispatch_sema_notify_s *)dispatch_atomic_xchg(&dsema->dsema_notify_head, NULL); long rval = (long)dispatch_atomic_xchg(&dsema->dsema_group_waiters, 0); bool do_rel = (head != NULL); #if USE_MACH_SEM long kr; #endif #if USE_POSIX_SEM || USE_WIN32_SEM int ret; #endif // wake any "group" waiter or notify blocks if (rval) { #if USE_MACH_SEM _dispatch_semaphore_create_port(&dsema->dsema_waiter_port); do { kr = semaphore_signal(dsema->dsema_waiter_port); DISPATCH_SEMAPHORE_VERIFY_KR(kr); } while (--rval); #endif #if USE_POSIX_SEM do { ret = sem_post(&dsema->dsema_sem); DISPATCH_SEMAPHORE_VERIFY_RET(ret); } while (--rval); #endif #if USE_WIN32_SEM // Signal the semaphore. ret = ReleaseSemaphore(dsema->dsema_waiter_handle, 1, NULL); dispatch_assume(ret); #endif } while (head) { dispatch_async_f(head->dsn_queue, head->dsn_ctxt, head->dsn_func); _dispatch_release(head->dsn_queue); do { tmp = head->dsn_next; } while (!tmp && !dispatch_atomic_cmpxchg(&dsema->dsema_notify_tail, head, NULL)); free(head); head = tmp; } if (do_rel) { _dispatch_release(dsema); } return 0; } DISPATCH_NOINLINE static long _dispatch_group_wait_slow(dispatch_semaphore_t dsema, dispatch_time_t timeout) { #if USE_MACH_SEM mach_timespec_t _timeout; kern_return_t kr; #endif #if USE_POSIX_SEM struct timespec _timeout; #endif #if USE_POSIX_SEM || USE_WIN32_SEM int ret; #endif long orig; again: // check before we cause another signal to be sent by incrementing dsema->dsema_group_waiters if (dsema->dsema_value == dsema->dsema_orig) { return _dispatch_group_wake(dsema); } // Mach semaphores appear to sometimes spuriously wake up. Therefore, // we keep a parallel count of the number of times a Mach semaphore is // signaled (6880961). (void)dispatch_atomic_inc(&dsema->dsema_group_waiters); // check the values again in case we need to wake any threads if (dsema->dsema_value == dsema->dsema_orig) { return _dispatch_group_wake(dsema); } #if USE_MACH_SEM _dispatch_semaphore_create_port(&dsema->dsema_waiter_port); #endif // From xnu/osfmk/kern/sync_sema.c: // wait_semaphore->count = -1; /* we don't keep an actual count */ // // The code above does not match the documentation, and that fact is // not surprising. The documented semantics are clumsy to use in any // practical way. The above hack effectively tricks the rest of the // Mach semaphore logic to behave like the libdispatch algorithm. switch (timeout) { default: #if USE_MACH_SEM do { uint64_t nsec; nsec = _dispatch_timeout(timeout); _timeout.tv_sec = (typeof(_timeout.tv_sec))(nsec / NSEC_PER_SEC); _timeout.tv_nsec = (typeof(_timeout.tv_nsec))(nsec % NSEC_PER_SEC); kr = slowpath(semaphore_timedwait(dsema->dsema_waiter_port, _timeout)); } while (kr == KERN_ABORTED); if (kr != KERN_OPERATION_TIMED_OUT) { DISPATCH_SEMAPHORE_VERIFY_KR(kr); break; } #endif #if USE_POSIX_SEM do { _timeout = _dispatch_timeout_ts(timeout); ret = slowpath(sem_timedwait(&dsema->dsema_sem, &_timeout)); } while (ret == -1 && errno == EINTR); if (!(ret == -1 && errno == ETIMEDOUT)) { DISPATCH_SEMAPHORE_VERIFY_RET(ret); break; } #endif #if USE_WIN32_SEM do { uint64_t nsec; DWORD msec; nsec = _dispatch_timeout(timeout); msec = (DWORD)(nsec / (uint64_t)1000000); ret = WaitForSingleObject(dsema->dsema_waiter_handle, msec); } while (ret != WAIT_OBJECT_0 && ret != WAIT_TIMEOUT); if (ret == WAIT_TIMEOUT) { break; } #endif /* USE_WIN32_SEM */ // Fall through and try to undo the earlier change to dsema->dsema_group_waiters case DISPATCH_TIME_NOW: while ((orig = dsema->dsema_group_waiters)) { if (dispatch_atomic_cmpxchg(&dsema->dsema_group_waiters, orig, orig - 1)) { #if USE_MACH_SEM return KERN_OPERATION_TIMED_OUT; #endif #if USE_POSIX_SEM || USE_WIN32_SEM errno = ETIMEDOUT; return -1; #endif } } // Another thread called semaphore_signal(). // Fall through and drain the wakeup. case DISPATCH_TIME_FOREVER: #if USE_MACH_SEM do { kr = semaphore_wait(dsema->dsema_waiter_port); } while (kr == KERN_ABORTED); DISPATCH_SEMAPHORE_VERIFY_KR(kr); #endif #if USE_POSIX_SEM do { ret = sem_wait(&dsema->dsema_sem); } while (ret == -1 && errno == EINTR); DISPATCH_SEMAPHORE_VERIFY_RET(ret); #endif #if USE_WIN32_SEM do { ret = WaitForSingleObject(dsema->dsema_waiter_handle, INFINITE); } while (ret != WAIT_OBJECT_0); #endif break; } goto again; } long dispatch_group_wait(dispatch_group_t dg, dispatch_time_t timeout) { dispatch_semaphore_t dsema = (dispatch_semaphore_t)dg; if (dsema->dsema_value == dsema->dsema_orig) { return 0; } if (timeout == 0) { #if USE_MACH_SEM return KERN_OPERATION_TIMED_OUT; #endif #if USE_POSIX_SEM || USE_WIN32_SEM errno = ETIMEDOUT; return (-1); #endif } return _dispatch_group_wait_slow(dsema, timeout); } #ifdef __BLOCKS__ void dispatch_group_notify(dispatch_group_t dg, dispatch_queue_t dq, dispatch_block_t db) { dispatch_group_notify_f(dg, dq, _dispatch_Block_copy(db), _dispatch_call_block_and_release); } #endif void dispatch_group_notify_f(dispatch_group_t dg, dispatch_queue_t dq, void *ctxt, void (*func)(void *)) { dispatch_semaphore_t dsema = (dispatch_semaphore_t)dg; struct dispatch_sema_notify_s *dsn, *prev; // FIXME -- this should be updated to use the continuation cache while (!(dsn = (struct dispatch_sema_notify_s *)malloc(sizeof(*dsn)))) { sleep(1); } dsn->dsn_next = NULL; dsn->dsn_queue = dq; dsn->dsn_ctxt = ctxt; dsn->dsn_func = func; _dispatch_retain(dq); prev = (struct dispatch_sema_notify_s *)dispatch_atomic_xchg(&dsema->dsema_notify_tail, dsn); if (fastpath(prev)) { prev->dsn_next = dsn; } else { _dispatch_retain(dg); dsema->dsema_notify_head = dsn; if (dsema->dsema_value == dsema->dsema_orig) { _dispatch_group_wake(dsema); } } } void _dispatch_semaphore_dispose(dispatch_semaphore_t dsema) { #if USE_MACH_SEM kern_return_t kr; #endif #if USE_POSIX_SEM int ret; #endif if (dsema->dsema_value < dsema->dsema_orig) { DISPATCH_CLIENT_CRASH("Semaphore/group object deallocated while in use"); } #if USE_MACH_SEM if (dsema->dsema_port) { kr = semaphore_destroy(mach_task_self(), dsema->dsema_port); DISPATCH_SEMAPHORE_VERIFY_KR(kr); } if (dsema->dsema_waiter_port) { kr = semaphore_destroy(mach_task_self(), dsema->dsema_waiter_port); DISPATCH_SEMAPHORE_VERIFY_KR(kr); } #endif #if USE_POSIX_SEM ret = sem_destroy(&dsema->dsema_sem); DISPATCH_SEMAPHORE_VERIFY_RET(ret); #endif #if USE_WIN32_SEM if (dsema->dsema_handle) { CloseHandle(dsema->dsema_handle); } if (dsema->dsema_waiter_handle) { CloseHandle(dsema->dsema_waiter_handle); } #endif _dispatch_dispose(dsema); } size_t _dispatch_semaphore_debug(dispatch_semaphore_t dsema, char *buf, size_t bufsiz) { size_t offset = 0; offset += snprintf(&buf[offset], bufsiz - offset, "%s[%p] = { ", dx_kind(dsema), dsema); offset += dispatch_object_debug_attr(dsema, &buf[offset], bufsiz - offset); #if USE_MACH_SEM offset += snprintf(&buf[offset], bufsiz - offset, "port = 0x%u, ", dsema->dsema_port); #endif offset += snprintf(&buf[offset], bufsiz - offset, "value = %ld, orig = %ld }", dsema->dsema_value, dsema->dsema_orig); return offset; } #ifdef __BLOCKS__ void dispatch_group_async(dispatch_group_t dg, dispatch_queue_t dq, dispatch_block_t db) { dispatch_group_async_f(dg, dq, _dispatch_Block_copy(db), _dispatch_call_block_and_release); } #endif DISPATCH_NOINLINE void dispatch_group_async_f(dispatch_group_t dg, dispatch_queue_t dq, void *ctxt, void (*func)(void *)) { dispatch_continuation_t dc; _dispatch_retain(dg); dispatch_group_enter(dg); dc = _dispatch_continuation_alloc_cacheonly(); if (dc == NULL) { dc = _dispatch_continuation_alloc_from_heap(); } dc->do_vtable = (void *)(DISPATCH_OBJ_ASYNC_BIT|DISPATCH_OBJ_GROUP_BIT); dc->dc_func = func; dc->dc_ctxt = ctxt; dc->dc_group = dg; _dispatch_queue_push(dq, dc); } libdispatch-0~svn197/src/queue_private.h0000644000175100017500000000726211505136244020056 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ /* * IMPORTANT: This header file describes INTERNAL interfaces to libdispatch * which are subject to change in future releases of Mac OS X. Any applications * relying on these interfaces WILL break. */ #ifndef __DISPATCH_QUEUE_PRIVATE__ #define __DISPATCH_QUEUE_PRIVATE__ #ifndef __DISPATCH_INDIRECT__ #error "Please #include instead of this file directly." #include // for HeaderDoc #endif __DISPATCH_BEGIN_DECLS /*! * @enum dispatch_queue_flags_t * * @constant DISPATCH_QUEUE_OVERCOMMIT * The queue will create a new thread for invoking blocks, regardless of how * busy the computer is. */ enum { DISPATCH_QUEUE_OVERCOMMIT = 0x2ull, }; #define DISPATCH_QUEUE_FLAGS_MASK (DISPATCH_QUEUE_OVERCOMMIT) #ifdef __BLOCKS__ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL_ALL DISPATCH_NOTHROW void dispatch_barrier_sync(dispatch_queue_t queue, dispatch_block_t block); #endif __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL1 DISPATCH_NONNULL3 DISPATCH_NOTHROW void dispatch_barrier_sync_f(dispatch_queue_t dq, void *context, dispatch_function_t work); #ifdef __BLOCKS__ __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL_ALL DISPATCH_NOTHROW void dispatch_barrier_async(dispatch_queue_t queue, dispatch_block_t block); #endif __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL1 DISPATCH_NONNULL3 DISPATCH_NOTHROW void dispatch_barrier_async_f(dispatch_queue_t dq, void *context, dispatch_function_t work); /*! * @function dispatch_queue_set_width * * @abstract * Set the width of concurrency for a given queue. The default width of a * privately allocated queue is one. * * @param queue * The queue to adjust. Passing the main queue, a default concurrent queue or * any other default queue will be ignored. * * @param width * The new maximum width of concurrency depending on available resources. * If zero is passed, then the value is promoted to one. * Negative values are magic values that map to automatic width values. * Unknown negative values default to DISPATCH_QUEUE_WIDTH_MAX_LOGICAL_CPUS. */ #define DISPATCH_QUEUE_WIDTH_ACTIVE_CPUS -1 #define DISPATCH_QUEUE_WIDTH_MAX_PHYSICAL_CPUS -2 #define DISPATCH_QUEUE_WIDTH_MAX_LOGICAL_CPUS -3 __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) DISPATCH_EXPORT DISPATCH_NONNULL_ALL DISPATCH_NOTHROW void dispatch_queue_set_width(dispatch_queue_t dq, long width); __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0) extern const struct dispatch_queue_offsets_s { // always add new fields at the end const uint16_t dqo_version; const uint16_t dqo_label; const uint16_t dqo_label_size; const uint16_t dqo_flags; const uint16_t dqo_flags_size; const uint16_t dqo_serialnum; const uint16_t dqo_serialnum_size; const uint16_t dqo_width; const uint16_t dqo_width_size; const uint16_t dqo_running; const uint16_t dqo_running_size; } dispatch_queue_offsets; __DISPATCH_END_DECLS #endif libdispatch-0~svn197/src/queue.c0000644000175100017500000014576211505136244016327 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #include "internal.h" #if HAVE_MACH #include "protocol.h" #endif void dummy_function(void) { } long dummy_function_r0(void) { return 0; } static struct dispatch_semaphore_s _dispatch_thread_mediator[] = { { .do_vtable = &_dispatch_semaphore_vtable, .do_ref_cnt = DISPATCH_OBJECT_GLOBAL_REFCNT, .do_xref_cnt = DISPATCH_OBJECT_GLOBAL_REFCNT, }, { .do_vtable = &_dispatch_semaphore_vtable, .do_ref_cnt = DISPATCH_OBJECT_GLOBAL_REFCNT, .do_xref_cnt = DISPATCH_OBJECT_GLOBAL_REFCNT, }, { .do_vtable = &_dispatch_semaphore_vtable, .do_ref_cnt = DISPATCH_OBJECT_GLOBAL_REFCNT, .do_xref_cnt = DISPATCH_OBJECT_GLOBAL_REFCNT, }, { .do_vtable = &_dispatch_semaphore_vtable, .do_ref_cnt = DISPATCH_OBJECT_GLOBAL_REFCNT, .do_xref_cnt = DISPATCH_OBJECT_GLOBAL_REFCNT, }, { .do_vtable = &_dispatch_semaphore_vtable, .do_ref_cnt = DISPATCH_OBJECT_GLOBAL_REFCNT, .do_xref_cnt = DISPATCH_OBJECT_GLOBAL_REFCNT, }, { .do_vtable = &_dispatch_semaphore_vtable, .do_ref_cnt = DISPATCH_OBJECT_GLOBAL_REFCNT, .do_xref_cnt = DISPATCH_OBJECT_GLOBAL_REFCNT, }, }; static inline dispatch_queue_t _dispatch_get_root_queue(long priority, bool overcommit) { if (overcommit) switch (priority) { case DISPATCH_QUEUE_PRIORITY_LOW: return &_dispatch_root_queues[1]; case DISPATCH_QUEUE_PRIORITY_DEFAULT: return &_dispatch_root_queues[3]; case DISPATCH_QUEUE_PRIORITY_HIGH: return &_dispatch_root_queues[5]; } switch (priority) { case DISPATCH_QUEUE_PRIORITY_LOW: return &_dispatch_root_queues[0]; case DISPATCH_QUEUE_PRIORITY_DEFAULT: return &_dispatch_root_queues[2]; case DISPATCH_QUEUE_PRIORITY_HIGH: return &_dispatch_root_queues[4]; default: return NULL; } } #ifdef __BLOCKS__ dispatch_block_t _dispatch_Block_copy(dispatch_block_t db) { dispatch_block_t rval; while (!(rval = Block_copy(db))) { sleep(1); } return rval; } #define _dispatch_Block_copy(x) ((typeof(x))_dispatch_Block_copy(x)) void _dispatch_call_block_and_release(void *block) { void (^b)(void) = block; b(); Block_release(b); } void _dispatch_call_block_and_release2(void *block, void *ctxt) { void (^b)(void*) = block; b(ctxt); Block_release(b); } #endif /* __BLOCKS__ */ struct dispatch_queue_attr_vtable_s { DISPATCH_VTABLE_HEADER(dispatch_queue_attr_s); }; struct dispatch_queue_attr_s { DISPATCH_STRUCT_HEADER(dispatch_queue_attr_s, dispatch_queue_attr_vtable_s); #ifndef DISPATCH_NO_LEGACY // Public: int qa_priority; void* finalizer_ctxt; dispatch_queue_finalizer_function_t finalizer_func; // Private: unsigned long qa_flags; #endif }; static int _dispatch_pthread_sigmask(int how, sigset_t *set, sigset_t *oset); #define _dispatch_queue_trylock(dq) dispatch_atomic_cmpxchg(&(dq)->dq_running, 0, 1) static inline void _dispatch_queue_unlock(dispatch_queue_t dq); static void _dispatch_queue_invoke(dispatch_queue_t dq); static bool _dispatch_queue_wakeup_global(dispatch_queue_t dq); static struct dispatch_object_s *_dispatch_queue_concurrent_drain_one(dispatch_queue_t dq); static bool _dispatch_program_is_probably_callback_driven; #if DISPATCH_COCOA_COMPAT void (*dispatch_begin_thread_4GC)(void) = dummy_function; void (*dispatch_end_thread_4GC)(void) = dummy_function; void *(*_dispatch_begin_NSAutoReleasePool)(void) = (void *)dummy_function; void (*_dispatch_end_NSAutoReleasePool)(void *) = (void *)dummy_function; static void _dispatch_queue_wakeup_main(void); static dispatch_once_t _dispatch_main_q_port_pred; static bool main_q_is_draining; static mach_port_t main_q_port; #endif static void _dispatch_cache_cleanup2(void *value); static const struct dispatch_queue_vtable_s _dispatch_queue_vtable = { .do_type = DISPATCH_QUEUE_TYPE, .do_kind = "queue", .do_dispose = _dispatch_queue_dispose, .do_invoke = (void *)dummy_function_r0, .do_probe = (void *)dummy_function_r0, .do_debug = dispatch_queue_debug, }; static const struct dispatch_queue_vtable_s _dispatch_queue_root_vtable = { .do_type = DISPATCH_QUEUE_GLOBAL_TYPE, .do_kind = "global-queue", .do_debug = dispatch_queue_debug, .do_probe = _dispatch_queue_wakeup_global, }; #define MAX_THREAD_COUNT 255 struct dispatch_root_queue_context_s { #if HAVE_PTHREAD_WORKQUEUES pthread_workqueue_t dgq_kworkqueue; #endif uint32_t dgq_pending; uint32_t dgq_thread_pool_size; dispatch_semaphore_t dgq_thread_mediator; }; static struct dispatch_root_queue_context_s _dispatch_root_queue_contexts[] = { { .dgq_thread_mediator = &_dispatch_thread_mediator[0], .dgq_thread_pool_size = MAX_THREAD_COUNT, }, { .dgq_thread_mediator = &_dispatch_thread_mediator[1], .dgq_thread_pool_size = MAX_THREAD_COUNT, }, { .dgq_thread_mediator = &_dispatch_thread_mediator[2], .dgq_thread_pool_size = MAX_THREAD_COUNT, }, { .dgq_thread_mediator = &_dispatch_thread_mediator[3], .dgq_thread_pool_size = MAX_THREAD_COUNT, }, { .dgq_thread_mediator = &_dispatch_thread_mediator[4], .dgq_thread_pool_size = MAX_THREAD_COUNT, }, { .dgq_thread_mediator = &_dispatch_thread_mediator[5], .dgq_thread_pool_size = MAX_THREAD_COUNT, }, }; // 6618342 Contact the team that owns the Instrument DTrace probe before renaming this symbol // dq_running is set to 2 so that barrier operations go through the slow path struct dispatch_queue_s _dispatch_root_queues[] = { { .do_vtable = &_dispatch_queue_root_vtable, .do_ref_cnt = DISPATCH_OBJECT_GLOBAL_REFCNT, .do_xref_cnt = DISPATCH_OBJECT_GLOBAL_REFCNT, .do_suspend_cnt = DISPATCH_OBJECT_SUSPEND_LOCK, .do_ctxt = &_dispatch_root_queue_contexts[0], .dq_label = "com.apple.root.low-priority", .dq_running = 2, .dq_width = UINT32_MAX, .dq_serialnum = 4, }, { .do_vtable = &_dispatch_queue_root_vtable, .do_ref_cnt = DISPATCH_OBJECT_GLOBAL_REFCNT, .do_xref_cnt = DISPATCH_OBJECT_GLOBAL_REFCNT, .do_suspend_cnt = DISPATCH_OBJECT_SUSPEND_LOCK, .do_ctxt = &_dispatch_root_queue_contexts[1], .dq_label = "com.apple.root.low-overcommit-priority", .dq_running = 2, .dq_width = UINT32_MAX, .dq_serialnum = 5, }, { .do_vtable = &_dispatch_queue_root_vtable, .do_ref_cnt = DISPATCH_OBJECT_GLOBAL_REFCNT, .do_xref_cnt = DISPATCH_OBJECT_GLOBAL_REFCNT, .do_suspend_cnt = DISPATCH_OBJECT_SUSPEND_LOCK, .do_ctxt = &_dispatch_root_queue_contexts[2], .dq_label = "com.apple.root.default-priority", .dq_running = 2, .dq_width = UINT32_MAX, .dq_serialnum = 6, }, { .do_vtable = &_dispatch_queue_root_vtable, .do_ref_cnt = DISPATCH_OBJECT_GLOBAL_REFCNT, .do_xref_cnt = DISPATCH_OBJECT_GLOBAL_REFCNT, .do_suspend_cnt = DISPATCH_OBJECT_SUSPEND_LOCK, .do_ctxt = &_dispatch_root_queue_contexts[3], .dq_label = "com.apple.root.default-overcommit-priority", .dq_running = 2, .dq_width = UINT32_MAX, .dq_serialnum = 7, }, { .do_vtable = &_dispatch_queue_root_vtable, .do_ref_cnt = DISPATCH_OBJECT_GLOBAL_REFCNT, .do_xref_cnt = DISPATCH_OBJECT_GLOBAL_REFCNT, .do_suspend_cnt = DISPATCH_OBJECT_SUSPEND_LOCK, .do_ctxt = &_dispatch_root_queue_contexts[4], .dq_label = "com.apple.root.high-priority", .dq_running = 2, .dq_width = UINT32_MAX, .dq_serialnum = 8, }, { .do_vtable = &_dispatch_queue_root_vtable, .do_ref_cnt = DISPATCH_OBJECT_GLOBAL_REFCNT, .do_xref_cnt = DISPATCH_OBJECT_GLOBAL_REFCNT, .do_suspend_cnt = DISPATCH_OBJECT_SUSPEND_LOCK, .do_ctxt = &_dispatch_root_queue_contexts[5], .dq_label = "com.apple.root.high-overcommit-priority", .dq_running = 2, .dq_width = UINT32_MAX, .dq_serialnum = 9, }, }; // 6618342 Contact the team that owns the Instrument DTrace probe before renaming this symbol struct dispatch_queue_s _dispatch_main_q = { .do_vtable = &_dispatch_queue_vtable, .do_ref_cnt = DISPATCH_OBJECT_GLOBAL_REFCNT, .do_xref_cnt = DISPATCH_OBJECT_GLOBAL_REFCNT, .do_suspend_cnt = DISPATCH_OBJECT_SUSPEND_LOCK, .do_targetq = &_dispatch_root_queues[DISPATCH_ROOT_QUEUE_COUNT / 2], .dq_label = "com.apple.main-thread", .dq_running = 1, .dq_width = 1, .dq_serialnum = 1, }; #if DISPATCH_PERF_MON static OSSpinLock _dispatch_stats_lock; static size_t _dispatch_bad_ratio; static struct { uint64_t time_total; uint64_t count_total; uint64_t thread_total; } _dispatch_stats[65]; // ffs*/fls*() returns zero when no bits are set static void _dispatch_queue_merge_stats(uint64_t start); #endif static void *_dispatch_worker_thread(void *context); static void _dispatch_worker_thread2(void *context); malloc_zone_t *_dispatch_ccache_zone; static inline void _dispatch_continuation_free(dispatch_continuation_t dc) { dispatch_continuation_t prev_dc = _dispatch_thread_getspecific(dispatch_cache_key); dc->do_next = prev_dc; _dispatch_thread_setspecific(dispatch_cache_key, dc); } static inline void _dispatch_continuation_pop(dispatch_object_t dou) { dispatch_continuation_t dc = dou._dc; dispatch_group_t dg; if (DISPATCH_OBJ_IS_VTABLE(dou._do)) { return _dispatch_queue_invoke(dou._dq); } // Add the item back to the cache before calling the function. This // allows the 'hot' continuation to be used for a quick callback. // // The ccache version is per-thread. // Therefore, the object has not been reused yet. // This generates better assembly. if ((long)dou._do->do_vtable & DISPATCH_OBJ_ASYNC_BIT) { _dispatch_continuation_free(dc); } if ((long)dou._do->do_vtable & DISPATCH_OBJ_GROUP_BIT) { dg = dc->dc_group; } else { dg = NULL; } dc->dc_func(dc->dc_ctxt); if (dg) { dispatch_group_leave(dg); _dispatch_release(dg); } } struct dispatch_object_s * _dispatch_queue_concurrent_drain_one(dispatch_queue_t dq) { struct dispatch_object_s *head, *next, *const mediator = (void *)~0ul; // The mediator value acts both as a "lock" and a signal head = dispatch_atomic_xchg(&dq->dq_items_head, mediator); if (slowpath(head == NULL)) { // The first xchg on the tail will tell the enqueueing thread that it // is safe to blindly write out to the head pointer. A cmpxchg honors // the algorithm. dispatch_atomic_cmpxchg(&dq->dq_items_head, mediator, NULL); _dispatch_debug("no work on global work queue"); return NULL; } if (slowpath(head == mediator)) { // This thread lost the race for ownership of the queue. // // The ratio of work to libdispatch overhead must be bad. This // scenario implies that there are too many threads in the pool. // Create a new pending thread and then exit this thread. // The kernel will grant a new thread when the load subsides. _dispatch_debug("Contention on queue: %p", dq); _dispatch_queue_wakeup_global(dq); #if DISPATCH_PERF_MON dispatch_atomic_inc(&_dispatch_bad_ratio); #endif return NULL; } // Restore the head pointer to a sane value before returning. // If 'next' is NULL, then this item _might_ be the last item. next = fastpath(head->do_next); if (slowpath(!next)) { dq->dq_items_head = NULL; if (dispatch_atomic_cmpxchg(&dq->dq_items_tail, head, NULL)) { // both head and tail are NULL now goto out; } // There must be a next item now. This thread won't wait long. while (!(next = head->do_next)) { _dispatch_hardware_pause(); } } dq->dq_items_head = next; _dispatch_queue_wakeup_global(dq); out: return head; } dispatch_queue_t dispatch_get_current_queue(void) { return _dispatch_queue_get_current() ?: _dispatch_get_root_queue(0, true); } #undef dispatch_get_main_queue __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA) dispatch_queue_t dispatch_get_main_queue(void); dispatch_queue_t dispatch_get_main_queue(void) { return &_dispatch_main_q; } #define dispatch_get_main_queue() (&_dispatch_main_q) struct _dispatch_hw_config_s _dispatch_hw_config; static void _dispatch_queue_set_width_init(void) { #ifdef __APPLE__ size_t valsz = sizeof(uint32_t); int ret; ret = sysctlbyname("hw.activecpu", &_dispatch_hw_config.cc_max_active, &valsz, NULL, 0); (void)dispatch_assume_zero(ret); dispatch_assume(valsz == sizeof(uint32_t)); ret = sysctlbyname("hw.logicalcpu_max", &_dispatch_hw_config.cc_max_logical, &valsz, NULL, 0); (void)dispatch_assume_zero(ret); dispatch_assume(valsz == sizeof(uint32_t)); ret = sysctlbyname("hw.physicalcpu_max", &_dispatch_hw_config.cc_max_physical, &valsz, NULL, 0); (void)dispatch_assume_zero(ret); dispatch_assume(valsz == sizeof(uint32_t)); #elif defined(__FreeBSD__) size_t valsz = sizeof(uint32_t); int ret; ret = sysctlbyname("kern.smp.cpus", &_dispatch_hw_config.cc_max_active, &valsz, NULL, 0); (void)dispatch_assume_zero(ret); (void)dispatch_assume(valsz == sizeof(uint32_t)); _dispatch_hw_config.cc_max_logical = _dispatch_hw_config.cc_max_physical = _dispatch_hw_config.cc_max_active; #elif HAVE_SYSCONF && defined(_SC_NPROCESSORS_ONLN) _dispatch_hw_config.cc_max_active = (int)sysconf(_SC_NPROCESSORS_ONLN); if (_dispatch_hw_config.cc_max_active < 0) _dispatch_hw_config.cc_max_active = 1; _dispatch_hw_config.cc_max_logical = _dispatch_hw_config.cc_max_physical = _dispatch_hw_config.cc_max_active; #else #warning "_dispatch_queue_set_width_init: no supported way to query CPU count" _dispatch_hw_config.cc_max_logical = _dispatch_hw_config.cc_max_physical = _dispatch_hw_config.cc_max_active = 1; #endif } void dispatch_queue_set_width(dispatch_queue_t dq, long width) { int w = (int)width; // intentional truncation uint32_t tmp; if (slowpath(dq->do_ref_cnt == DISPATCH_OBJECT_GLOBAL_REFCNT)) { return; } if (w == 1 || w == 0) { dq->dq_width = 1; return; } if (w > 0) { tmp = w; } else switch (w) { case DISPATCH_QUEUE_WIDTH_MAX_PHYSICAL_CPUS: tmp = _dispatch_hw_config.cc_max_physical; break; case DISPATCH_QUEUE_WIDTH_ACTIVE_CPUS: tmp = _dispatch_hw_config.cc_max_active; break; default: // fall through case DISPATCH_QUEUE_WIDTH_MAX_LOGICAL_CPUS: tmp = _dispatch_hw_config.cc_max_logical; break; } // multiply by two since the running count is inc/dec by two (the low bit == barrier) dq->dq_width = tmp * 2; // XXX if the queue has items and the width is increased, we should try to wake the queue } // skip zero // 1 - main_q // 2 - mgr_q // 3 - _unused_ // 4,5,6,7,8,9 - global queues // we use 'xadd' on Intel, so the initial value == next assigned static unsigned long _dispatch_queue_serial_numbers = 10; // Note to later developers: ensure that any initialization changes are // made for statically allocated queues (i.e. _dispatch_main_q). inline void _dispatch_queue_init(dispatch_queue_t dq) { dq->do_vtable = &_dispatch_queue_vtable; dq->do_next = DISPATCH_OBJECT_LISTLESS; dq->do_ref_cnt = 1; dq->do_xref_cnt = 1; dq->do_targetq = _dispatch_get_root_queue(0, true); dq->dq_running = 0; dq->dq_width = 1; dq->dq_serialnum = dispatch_atomic_inc(&_dispatch_queue_serial_numbers) - 1; } dispatch_queue_t dispatch_queue_create(const char *label, dispatch_queue_attr_t attr) { dispatch_queue_t dq; size_t label_len; if (!label) { label = ""; } label_len = strlen(label); if (label_len < (DISPATCH_QUEUE_MIN_LABEL_SIZE - 1)) { label_len = (DISPATCH_QUEUE_MIN_LABEL_SIZE - 1); } // XXX switch to malloc() dq = calloc(1ul, sizeof(struct dispatch_queue_s) - DISPATCH_QUEUE_MIN_LABEL_SIZE + label_len + 1); if (slowpath(!dq)) { return dq; } _dispatch_queue_init(dq); strcpy(dq->dq_label, label); #ifndef DISPATCH_NO_LEGACY if (slowpath(attr)) { dq->do_targetq = _dispatch_get_root_queue(attr->qa_priority, attr->qa_flags & DISPATCH_QUEUE_OVERCOMMIT); dq->dq_finalizer_ctxt = attr->finalizer_ctxt; dq->dq_finalizer_func = attr->finalizer_func; #ifdef __BLOCKS__ if (attr->finalizer_func == (void*)_dispatch_call_block_and_release2) { // if finalizer_ctxt is a Block, retain it. dq->dq_finalizer_ctxt = Block_copy(dq->dq_finalizer_ctxt); if (!(dq->dq_finalizer_ctxt)) { goto out_bad; } } #endif } #else (void)attr; #endif return dq; #if !defined(DISPATCH_NO_LEGACY) && defined(__BLOCKS__) out_bad: #endif free(dq); return NULL; } // 6618342 Contact the team that owns the Instrument DTrace probe before renaming this symbol void _dispatch_queue_dispose(dispatch_queue_t dq) { if (slowpath(dq == _dispatch_queue_get_current())) { DISPATCH_CRASH("Release of a queue by itself"); } if (slowpath(dq->dq_items_tail)) { DISPATCH_CRASH("Release of a queue while items are enqueued"); } #ifndef DISPATCH_NO_LEGACY if (dq->dq_finalizer_func) { dq->dq_finalizer_func(dq->dq_finalizer_ctxt, dq); } #endif // trash the tail queue so that use after free will crash dq->dq_items_tail = (void *)0x200; _dispatch_dispose(dq); } DISPATCH_NOINLINE void _dispatch_queue_push_list_slow(dispatch_queue_t dq, struct dispatch_object_s *obj) { // The queue must be retained before dq_items_head is written in order // to ensure that the reference is still valid when _dispatch_wakeup is // called. Otherwise, if preempted between the assignment to // dq_items_head and _dispatch_wakeup, the blocks submitted to the // queue may release the last reference to the queue when invoked by // _dispatch_queue_drain. _dispatch_retain(dq); dq->dq_items_head = obj; _dispatch_wakeup(dq); _dispatch_release(dq); } DISPATCH_NOINLINE static void _dispatch_barrier_async_f_slow(dispatch_queue_t dq, void *context, dispatch_function_t func) { dispatch_continuation_t dc = fastpath(_dispatch_continuation_alloc_from_heap()); dc->do_vtable = (void *)(DISPATCH_OBJ_ASYNC_BIT | DISPATCH_OBJ_BARRIER_BIT); dc->dc_func = func; dc->dc_ctxt = context; _dispatch_queue_push(dq, dc); } #ifdef __BLOCKS__ void dispatch_barrier_async(dispatch_queue_t dq, void (^work)(void)) { dispatch_barrier_async_f(dq, _dispatch_Block_copy(work), _dispatch_call_block_and_release); } #endif DISPATCH_NOINLINE void dispatch_barrier_async_f(dispatch_queue_t dq, void *context, dispatch_function_t func) { dispatch_continuation_t dc = fastpath(_dispatch_continuation_alloc_cacheonly()); if (!dc) { return _dispatch_barrier_async_f_slow(dq, context, func); } dc->do_vtable = (void *)(DISPATCH_OBJ_ASYNC_BIT | DISPATCH_OBJ_BARRIER_BIT); dc->dc_func = func; dc->dc_ctxt = context; _dispatch_queue_push(dq, dc); } DISPATCH_NOINLINE static void _dispatch_async_f_slow(dispatch_queue_t dq, void *context, dispatch_function_t func) { dispatch_continuation_t dc = fastpath(_dispatch_continuation_alloc_from_heap()); dc->do_vtable = (void *)DISPATCH_OBJ_ASYNC_BIT; dc->dc_func = func; dc->dc_ctxt = context; _dispatch_queue_push(dq, dc); } #ifdef __BLOCKS__ void dispatch_async(dispatch_queue_t dq, void (^work)(void)) { dispatch_async_f(dq, _dispatch_Block_copy(work), _dispatch_call_block_and_release); } #endif DISPATCH_NOINLINE void dispatch_async_f(dispatch_queue_t dq, void *ctxt, dispatch_function_t func) { dispatch_continuation_t dc = fastpath(_dispatch_continuation_alloc_cacheonly()); // unlike dispatch_sync_f(), we do NOT need to check the queue width, // the "drain" function will do this test if (!dc) { return _dispatch_async_f_slow(dq, ctxt, func); } dc->do_vtable = (void *)DISPATCH_OBJ_ASYNC_BIT; dc->dc_func = func; dc->dc_ctxt = ctxt; _dispatch_queue_push(dq, dc); } struct dispatch_barrier_sync_slow2_s { dispatch_queue_t dbss2_dq; dispatch_function_t dbss2_func; dispatch_function_t dbss2_ctxt; dispatch_semaphore_t dbss2_sema; }; static void _dispatch_barrier_sync_f_slow_invoke(void *ctxt) { struct dispatch_barrier_sync_slow2_s *dbss2 = ctxt; dispatch_assert(dbss2->dbss2_dq == dispatch_get_current_queue()); // ALL blocks on the main queue, must be run on the main thread if (dbss2->dbss2_dq == dispatch_get_main_queue()) { dbss2->dbss2_func(dbss2->dbss2_ctxt); } else { dispatch_suspend(dbss2->dbss2_dq); } dispatch_semaphore_signal(dbss2->dbss2_sema); } DISPATCH_NOINLINE static void _dispatch_barrier_sync_f_slow(dispatch_queue_t dq, void *ctxt, dispatch_function_t func) { // It's preferred to execute synchronous blocks on the current thread // due to thread-local side effects, garbage collection, etc. However, // blocks submitted to the main thread MUST be run on the main thread struct dispatch_barrier_sync_slow2_s dbss2 = { .dbss2_dq = dq, .dbss2_func = func, .dbss2_ctxt = ctxt, .dbss2_sema = _dispatch_get_thread_semaphore(), }; struct dispatch_barrier_sync_slow_s { DISPATCH_CONTINUATION_HEADER(dispatch_barrier_sync_slow_s); } dbss = { .do_vtable = (void *)DISPATCH_OBJ_BARRIER_BIT, .dc_func = _dispatch_barrier_sync_f_slow_invoke, .dc_ctxt = &dbss2, }; dispatch_queue_t old_dq = _dispatch_thread_getspecific(dispatch_queue_key); _dispatch_queue_push(dq, (void *)&dbss); dispatch_semaphore_wait(dbss2.dbss2_sema, DISPATCH_TIME_FOREVER); if (dq != dispatch_get_main_queue()) { _dispatch_thread_setspecific(dispatch_queue_key, dq); func(ctxt); _dispatch_workitem_inc(); _dispatch_thread_setspecific(dispatch_queue_key, old_dq); dispatch_resume(dq); } _dispatch_put_thread_semaphore(dbss2.dbss2_sema); } #ifdef __BLOCKS__ void dispatch_barrier_sync(dispatch_queue_t dq, void (^work)(void)) { // Blocks submitted to the main queue MUST be run on the main thread, // therefore we must Block_copy in order to notify the thread-local // garbage collector that the objects are transferring to the main thread if (dq == dispatch_get_main_queue()) { dispatch_block_t block = Block_copy(work); return dispatch_barrier_sync_f(dq, block, _dispatch_call_block_and_release); } struct Block_basic *bb = (void *)work; dispatch_barrier_sync_f(dq, work, (dispatch_function_t)bb->Block_invoke); } #endif DISPATCH_NOINLINE void dispatch_barrier_sync_f(dispatch_queue_t dq, void *ctxt, dispatch_function_t func) { dispatch_queue_t old_dq = _dispatch_thread_getspecific(dispatch_queue_key); // 1) ensure that this thread hasn't enqueued anything ahead of this call // 2) the queue is not suspended // 3) the queue is not weird if (slowpath(dq->dq_items_tail) || slowpath(DISPATCH_OBJECT_SUSPENDED(dq)) || slowpath(!_dispatch_queue_trylock(dq))) { return _dispatch_barrier_sync_f_slow(dq, ctxt, func); } _dispatch_thread_setspecific(dispatch_queue_key, dq); func(ctxt); _dispatch_workitem_inc(); _dispatch_thread_setspecific(dispatch_queue_key, old_dq); _dispatch_queue_unlock(dq); } static void _dispatch_sync_f_slow2(void *ctxt) { dispatch_queue_t dq = _dispatch_queue_get_current(); dispatch_atomic_add(&dq->dq_running, 2); dispatch_semaphore_signal(ctxt); } DISPATCH_NOINLINE static void _dispatch_sync_f_slow(dispatch_queue_t dq) { // the global root queues do not need strict ordering if (dq->do_targetq == NULL) { dispatch_atomic_add(&dq->dq_running, 2); return; } struct dispatch_sync_slow_s { DISPATCH_CONTINUATION_HEADER(dispatch_sync_slow_s); } dss = { .do_vtable = NULL, .dc_func = _dispatch_sync_f_slow2, .dc_ctxt = _dispatch_get_thread_semaphore(), }; // XXX FIXME -- concurrent queues can be come serial again _dispatch_queue_push(dq, (void *)&dss); dispatch_semaphore_wait(dss.dc_ctxt, DISPATCH_TIME_FOREVER); _dispatch_put_thread_semaphore(dss.dc_ctxt); } #ifdef __BLOCKS__ void dispatch_sync(dispatch_queue_t dq, void (^work)(void)) { struct Block_basic *bb = (void *)work; dispatch_sync_f(dq, work, (dispatch_function_t)bb->Block_invoke); } #endif DISPATCH_NOINLINE void dispatch_sync_f(dispatch_queue_t dq, void *ctxt, dispatch_function_t func) { typeof(dq->dq_running) prev_cnt; dispatch_queue_t old_dq; if (dq->dq_width == 1) { return dispatch_barrier_sync_f(dq, ctxt, func); } // 1) ensure that this thread hasn't enqueued anything ahead of this call // 2) the queue is not suspended if (slowpath(dq->dq_items_tail) || slowpath(DISPATCH_OBJECT_SUSPENDED(dq))) { _dispatch_sync_f_slow(dq); } else { prev_cnt = dispatch_atomic_add(&dq->dq_running, 2) - 2; if (slowpath(prev_cnt & 1)) { if (dispatch_atomic_sub(&dq->dq_running, 2) == 0) { _dispatch_wakeup(dq); } _dispatch_sync_f_slow(dq); } } old_dq = _dispatch_thread_getspecific(dispatch_queue_key); _dispatch_thread_setspecific(dispatch_queue_key, dq); func(ctxt); _dispatch_workitem_inc(); _dispatch_thread_setspecific(dispatch_queue_key, old_dq); if (slowpath(dispatch_atomic_sub(&dq->dq_running, 2) == 0)) { _dispatch_wakeup(dq); } } const char * dispatch_queue_get_label(dispatch_queue_t dq) { return dq->dq_label; } #if DISPATCH_COCOA_COMPAT static void _dispatch_main_q_port_init(void *ctxt __attribute__((unused))) { kern_return_t kr; kr = mach_port_allocate(mach_task_self(), MACH_PORT_RIGHT_RECEIVE, &main_q_port); DISPATCH_VERIFY_MIG(kr); (void)dispatch_assume_zero(kr); kr = mach_port_insert_right(mach_task_self(), main_q_port, main_q_port, MACH_MSG_TYPE_MAKE_SEND); DISPATCH_VERIFY_MIG(kr); (void)dispatch_assume_zero(kr); _dispatch_program_is_probably_callback_driven = true; _dispatch_safe_fork = false; } // 6618342 Contact the team that owns the Instrument DTrace probe before renaming this symbol DISPATCH_NOINLINE static void _dispatch_queue_set_mainq_drain_state(bool arg) { main_q_is_draining = arg; } #endif /* * XXXRW: Work-around for possible clang bug in which __builtin_trap() is not * marked noreturn, leading to a build error as dispatch_main() *is* marked * noreturn. Mask by marking __builtin_trap() as noreturn locally. */ #ifndef HAVE_NORETURN_BUILTIN_TRAP void __builtin_trap(void) __attribute__((__noreturn__)); #endif void dispatch_main(void) { #if HAVE_PTHREAD_MAIN_NP if (pthread_main_np()) { #endif _dispatch_program_is_probably_callback_driven = true; pthread_exit(NULL); DISPATCH_CRASH("pthread_exit() returned"); #if HAVE_PTHREAD_MAIN_NP } DISPATCH_CLIENT_CRASH("dispatch_main() must be called on the main thread"); #endif } static void _dispatch_sigsuspend(void *ctxt __attribute__((unused))) { static const sigset_t mask; for (;;) { sigsuspend(&mask); } } DISPATCH_NOINLINE static void _dispatch_queue_cleanup2(void) { dispatch_atomic_dec(&_dispatch_main_q.dq_running); if (dispatch_atomic_sub(&_dispatch_main_q.do_suspend_cnt, DISPATCH_OBJECT_SUSPEND_LOCK) == 0) { _dispatch_wakeup(&_dispatch_main_q); } // overload the "probably" variable to mean that dispatch_main() or // similar non-POSIX API was called // this has to run before the DISPATCH_COCOA_COMPAT below if (_dispatch_program_is_probably_callback_driven) { dispatch_async_f(_dispatch_get_root_queue(0, 0), NULL, _dispatch_sigsuspend); sleep(1); // workaround 6778970 } #if DISPATCH_COCOA_COMPAT dispatch_once_f(&_dispatch_main_q_port_pred, NULL, _dispatch_main_q_port_init); mach_port_t mp = main_q_port; kern_return_t kr; main_q_port = 0; if (mp) { kr = mach_port_deallocate(mach_task_self(), mp); DISPATCH_VERIFY_MIG(kr); (void)dispatch_assume_zero(kr); kr = mach_port_mod_refs(mach_task_self(), mp, MACH_PORT_RIGHT_RECEIVE, -1); DISPATCH_VERIFY_MIG(kr); (void)dispatch_assume_zero(kr); } #endif } #ifndef DISPATCH_NO_LEGACY dispatch_queue_t dispatch_get_concurrent_queue(long pri) { if (pri > 0) { pri = DISPATCH_QUEUE_PRIORITY_HIGH; } else if (pri < 0) { pri = DISPATCH_QUEUE_PRIORITY_LOW; } return _dispatch_get_root_queue(pri, false); } #endif static void _dispatch_queue_cleanup(void *ctxt) { if (ctxt == &_dispatch_main_q) { return _dispatch_queue_cleanup2(); } // POSIX defines that destructors are only called if 'ctxt' is non-null DISPATCH_CRASH("Premature thread exit while a dispatch queue is running"); } dispatch_queue_t dispatch_get_global_queue(long priority, unsigned long flags) { if (flags & ~DISPATCH_QUEUE_OVERCOMMIT) { return NULL; } return _dispatch_get_root_queue(priority, flags & DISPATCH_QUEUE_OVERCOMMIT); } #define countof(x) (sizeof(x) / sizeof(x[0])) void libdispatch_init(void) { dispatch_assert(DISPATCH_QUEUE_PRIORITY_COUNT == 3); dispatch_assert(DISPATCH_ROOT_QUEUE_COUNT == 6); dispatch_assert(DISPATCH_QUEUE_PRIORITY_LOW == -DISPATCH_QUEUE_PRIORITY_HIGH); dispatch_assert(countof(_dispatch_root_queues) == DISPATCH_ROOT_QUEUE_COUNT); dispatch_assert(countof(_dispatch_thread_mediator) == DISPATCH_ROOT_QUEUE_COUNT); dispatch_assert(countof(_dispatch_root_queue_contexts) == DISPATCH_ROOT_QUEUE_COUNT); #if HAVE_PTHREAD_KEY_INIT_NP _dispatch_thread_key_init_np(dispatch_queue_key, _dispatch_queue_cleanup); _dispatch_thread_key_init_np(dispatch_sema4_key, (void (*)(void *))dispatch_release); // use the extern release _dispatch_thread_key_init_np(dispatch_cache_key, _dispatch_cache_cleanup2); #if DISPATCH_PERF_MON _dispatch_thread_key_init_np(dispatch_bcounter_key, NULL); #endif #else /* !HAVE_PTHREAD_KEY_INIT_NP */ _dispatch_thread_key_create(&dispatch_queue_key, _dispatch_queue_cleanup); _dispatch_thread_key_create(&dispatch_sema4_key, (void (*)(void *))dispatch_release); // use the extern release _dispatch_thread_key_create(&dispatch_cache_key, _dispatch_cache_cleanup2); #ifdef DISPATCH_PERF_MON _dispatch_thread_key_create(&dispatch_bcounter_key, NULL); #endif #endif /* HAVE_PTHREAD_KEY_INIT_NP */ _dispatch_thread_setspecific(dispatch_queue_key, &_dispatch_main_q); _dispatch_queue_set_width_init(); } void _dispatch_queue_unlock(dispatch_queue_t dq) { if (slowpath(dispatch_atomic_dec(&dq->dq_running))) { return; } _dispatch_wakeup(dq); } // 6618342 Contact the team that owns the Instrument DTrace probe before renaming this symbol dispatch_queue_t _dispatch_wakeup(dispatch_object_t dou) { dispatch_queue_t tq; if (slowpath(DISPATCH_OBJECT_SUSPENDED(dou._do))) { return NULL; } if (!dx_probe(dou._do) && !dou._dq->dq_items_tail) { return NULL; } if (!_dispatch_trylock(dou._do)) { #if DISPATCH_COCOA_COMPAT if (dou._dq == &_dispatch_main_q) { _dispatch_queue_wakeup_main(); } #endif return NULL; } _dispatch_retain(dou._do); tq = dou._do->do_targetq; _dispatch_queue_push(tq, dou._do); return tq; // libdispatch doesn't need this, but the Instrument DTrace probe does } #if DISPATCH_COCOA_COMPAT DISPATCH_NOINLINE void _dispatch_queue_wakeup_main(void) { kern_return_t kr; dispatch_once_f(&_dispatch_main_q_port_pred, NULL, _dispatch_main_q_port_init); kr = _dispatch_send_wakeup_main_thread(main_q_port, 0); switch (kr) { case MACH_SEND_TIMEOUT: case MACH_SEND_TIMED_OUT: case MACH_SEND_INVALID_DEST: break; default: (void)dispatch_assume_zero(kr); break; } _dispatch_safe_fork = false; } #endif #if HAVE_PTHREAD_WORKQUEUES static inline int _dispatch_rootq2wq_pri(long idx) { #ifdef WORKQ_DEFAULT_PRIOQUEUE switch (idx) { case 0: case 1: return WORKQ_LOW_PRIOQUEUE; case 2: case 3: default: return WORKQ_DEFAULT_PRIOQUEUE; case 4: case 5: return WORKQ_HIGH_PRIOQUEUE; } #else return pri; #endif } #endif static void _dispatch_root_queues_init(void *context __attribute__((unused))) { #if HAVE_PTHREAD_WORKQUEUES bool disable_wq = getenv("LIBDISPATCH_DISABLE_KWQ"); pthread_workqueue_attr_t pwq_attr; int r; #endif #if USE_MACH_SEM kern_return_t kr; #endif #if USE_POSIX_SEM int ret; #endif int i; #if HAVE_PTHREAD_WORKQUEUES r = pthread_workqueue_attr_init_np(&pwq_attr); (void)dispatch_assume_zero(r); #endif for (i = 0; i < DISPATCH_ROOT_QUEUE_COUNT; i++) { // some software hangs if the non-overcommitting queues do not overcommit when threads block #if 0 if (!(i & 1)) { dispatch_root_queue_contexts[i].dgq_thread_pool_size = _dispatch_hw_config.cc_max_active; } #endif #if HAVE_PTHREAD_WORKQUEUES r = pthread_workqueue_attr_setqueuepriority_np(&pwq_attr, _dispatch_rootq2wq_pri(i)); (void)dispatch_assume_zero(r); r = pthread_workqueue_attr_setovercommit_np(&pwq_attr, i & 1); (void)dispatch_assume_zero(r); r = 0; if (disable_wq || (r = pthread_workqueue_create_np(&_dispatch_root_queue_contexts[i].dgq_kworkqueue, &pwq_attr))) { if (r != ENOTSUP) { (void)dispatch_assume_zero(r); } #endif /* HAVE_PTHREAD_WORKQUEUES */ #if USE_MACH_SEM // override the default FIFO behavior for the pool semaphores kr = semaphore_create(mach_task_self(), &_dispatch_thread_mediator[i].dsema_port, SYNC_POLICY_LIFO, 0); DISPATCH_VERIFY_MIG(kr); (void)dispatch_assume_zero(kr); dispatch_assume(_dispatch_thread_mediator[i].dsema_port); #endif #if USE_POSIX_SEM /* XXXRW: POSIX semaphores don't support LIFO? */ ret = sem_init(&_dispatch_thread_mediator[i].dsema_sem, 0, 0); (void)dispatch_assume_zero(ret); #endif #if USE_WIN32_SEM _dispatch_thread_mediator[i].dsema_handle = CreateSemaphore(NULL, 0, LONG_MAX, NULL); dispatch_assume(_dispatch_thread_mediator[i].dsema_handle); #endif #if HAVE_PTHREAD_WORKQUEUES } else { (void)dispatch_assume(_dispatch_root_queue_contexts[i].dgq_kworkqueue); } #endif } #if HAVE_PTHREAD_WORKQUEUES r = pthread_workqueue_attr_destroy_np(&pwq_attr); (void)dispatch_assume_zero(r); #endif } bool _dispatch_queue_wakeup_global(dispatch_queue_t dq) { static dispatch_once_t pred; struct dispatch_root_queue_context_s *qc = dq->do_ctxt; #if HAVE_PTHREAD_WORKQUEUES pthread_workitem_handle_t wh; unsigned int gen_cnt; #endif pthread_t pthr; int r, t_count; if (!dq->dq_items_tail) { return false; } _dispatch_safe_fork = false; dispatch_debug_queue(dq, __PRETTY_FUNCTION__); dispatch_once_f(&pred, NULL, _dispatch_root_queues_init); #if HAVE_PTHREAD_WORKQUEUES if (qc->dgq_kworkqueue) { if (dispatch_atomic_cmpxchg(&qc->dgq_pending, 0, 1)) { _dispatch_debug("requesting new worker thread"); r = pthread_workqueue_additem_np(qc->dgq_kworkqueue, _dispatch_worker_thread2, dq, &wh, &gen_cnt); (void)dispatch_assume_zero(r); } else { _dispatch_debug("work thread request still pending on global queue: %p", dq); } goto out; } #endif if (dispatch_semaphore_signal(qc->dgq_thread_mediator)) { goto out; } do { t_count = qc->dgq_thread_pool_size; if (!t_count) { _dispatch_debug("The thread pool is full: %p", dq); goto out; } } while (!dispatch_atomic_cmpxchg(&qc->dgq_thread_pool_size, t_count, t_count - 1)); while ((r = pthread_create(&pthr, NULL, _dispatch_worker_thread, dq))) { if (r != EAGAIN) { (void)dispatch_assume_zero(r); } sleep(1); } r = pthread_detach(pthr); (void)dispatch_assume_zero(r); out: return false; } void _dispatch_queue_serial_drain_till_empty(dispatch_queue_t dq) { #if DISPATCH_PERF_MON uint64_t start = _dispatch_absolute_time(); #endif _dispatch_queue_drain(dq); #if DISPATCH_PERF_MON _dispatch_queue_merge_stats(start); #endif _dispatch_force_cache_cleanup(); } // 6618342 Contact the team that owns the Instrument DTrace probe before renaming this symbol DISPATCH_NOINLINE void _dispatch_queue_invoke(dispatch_queue_t dq) { dispatch_queue_t tq = dq->do_targetq; if (!slowpath(DISPATCH_OBJECT_SUSPENDED(dq)) && fastpath(_dispatch_queue_trylock(dq))) { _dispatch_queue_drain(dq); if (tq == dq->do_targetq) { tq = dx_invoke(dq); } else { tq = dq->do_targetq; } // We do not need to check the result. // When the suspend-count lock is dropped, then the check will happen. dispatch_atomic_dec(&dq->dq_running); if (tq) { return _dispatch_queue_push(tq, dq); } } dq->do_next = DISPATCH_OBJECT_LISTLESS; if (dispatch_atomic_sub(&dq->do_suspend_cnt, DISPATCH_OBJECT_SUSPEND_LOCK) == 0) { if (dq->dq_running == 0) { _dispatch_wakeup(dq); // verify that the queue is idle } } _dispatch_release(dq); // added when the queue is put on the list } // 6618342 Contact the team that owns the Instrument DTrace probe before renaming this symbol static void _dispatch_set_target_queue2(void *ctxt) { dispatch_queue_t prev_dq, dq = _dispatch_queue_get_current(); prev_dq = dq->do_targetq; dq->do_targetq = ctxt; _dispatch_release(prev_dq); } void dispatch_set_target_queue(dispatch_object_t dou, dispatch_queue_t dq) { if (slowpath(dou._do->do_xref_cnt == DISPATCH_OBJECT_GLOBAL_REFCNT)) { return; } // NOTE: we test for NULL target queues internally to detect root queues // therefore, if the retain crashes due to a bad input, that is OK _dispatch_retain(dq); dispatch_barrier_async_f(dou._dq, dq, _dispatch_set_target_queue2); } static void _dispatch_async_f_redirect2(void *_ctxt) { struct dispatch_continuation_s *dc = _ctxt; struct dispatch_continuation_s *other_dc = dc->dc_data[1]; dispatch_queue_t old_dq, dq = dc->dc_data[0]; old_dq = _dispatch_thread_getspecific(dispatch_queue_key); _dispatch_thread_setspecific(dispatch_queue_key, dq); _dispatch_continuation_pop(other_dc); _dispatch_thread_setspecific(dispatch_queue_key, old_dq); if (dispatch_atomic_sub(&dq->dq_running, 2) == 0) { _dispatch_wakeup(dq); } _dispatch_release(dq); } static void _dispatch_async_f_redirect(dispatch_queue_t dq, struct dispatch_object_s *other_dc) { dispatch_continuation_t dc = (void *)other_dc; dispatch_queue_t root_dq = dq; if (dc->dc_func == _dispatch_sync_f_slow2) { return dc->dc_func(dc->dc_ctxt); } dispatch_atomic_add(&dq->dq_running, 2); _dispatch_retain(dq); dc = _dispatch_continuation_alloc_cacheonly() ?: _dispatch_continuation_alloc_from_heap(); dc->do_vtable = (void *)DISPATCH_OBJ_ASYNC_BIT; dc->dc_func = _dispatch_async_f_redirect2; dc->dc_ctxt = dc; dc->dc_data[0] = dq; dc->dc_data[1] = other_dc; do { root_dq = root_dq->do_targetq; } while (root_dq->do_targetq); _dispatch_queue_push(root_dq, dc); } void _dispatch_queue_drain(dispatch_queue_t dq) { dispatch_queue_t orig_tq, old_dq = _dispatch_thread_getspecific(dispatch_queue_key); struct dispatch_object_s *dc = NULL, *next_dc = NULL; orig_tq = dq->do_targetq; _dispatch_thread_setspecific(dispatch_queue_key, dq); while (dq->dq_items_tail) { while (!fastpath(dq->dq_items_head)) { _dispatch_hardware_pause(); } dc = dq->dq_items_head; dq->dq_items_head = NULL; do { // Enqueue is TIGHTLY controlled, we won't wait long. do { next_dc = fastpath(dc->do_next); } while (!next_dc && !dispatch_atomic_cmpxchg(&dq->dq_items_tail, dc, NULL)); if (DISPATCH_OBJECT_SUSPENDED(dq)) { goto out; } if (dq->dq_running > dq->dq_width) { goto out; } if (orig_tq != dq->do_targetq) { goto out; } if (fastpath(dq->dq_width == 1)) { _dispatch_continuation_pop(dc); _dispatch_workitem_inc(); } else if ((long)dc->do_vtable & DISPATCH_OBJ_BARRIER_BIT) { if (dq->dq_running > 1) { goto out; } _dispatch_continuation_pop(dc); _dispatch_workitem_inc(); } else { _dispatch_async_f_redirect(dq, dc); } } while ((dc = next_dc)); } out: // if this is not a complete drain, we must undo some things if (slowpath(dc)) { // 'dc' must NOT be "popped" // 'dc' might be the last item if (next_dc || dispatch_atomic_cmpxchg(&dq->dq_items_tail, NULL, dc)) { dq->dq_items_head = dc; } else { while (!(next_dc = dq->dq_items_head)) { _dispatch_hardware_pause(); } dq->dq_items_head = dc; dc->do_next = next_dc; } } _dispatch_thread_setspecific(dispatch_queue_key, old_dq); } // 6618342 Contact the team that owns the Instrument DTrace probe before renaming this symbol void * _dispatch_worker_thread(void *context) { dispatch_queue_t dq = context; struct dispatch_root_queue_context_s *qc = dq->do_ctxt; sigset_t mask; int r; // workaround tweaks the kernel workqueue does for us r = sigfillset(&mask); (void)dispatch_assume_zero(r); r = _dispatch_pthread_sigmask(SIG_BLOCK, &mask, NULL); (void)dispatch_assume_zero(r); do { _dispatch_worker_thread2(context); // we use 65 seconds in case there are any timers that run once a minute } while (dispatch_semaphore_wait(qc->dgq_thread_mediator, dispatch_time(0, 65ull * NSEC_PER_SEC)) == 0); dispatch_atomic_inc(&qc->dgq_thread_pool_size); if (dq->dq_items_tail) { _dispatch_queue_wakeup_global(dq); } return NULL; } // 6618342 Contact the team that owns the Instrument DTrace probe before renaming this symbol void _dispatch_worker_thread2(void *context) { struct dispatch_object_s *item; dispatch_queue_t dq = context; struct dispatch_root_queue_context_s *qc = dq->do_ctxt; if (_dispatch_thread_getspecific(dispatch_queue_key)) { DISPATCH_CRASH("Premature thread recycling"); } _dispatch_thread_setspecific(dispatch_queue_key, dq); qc->dgq_pending = 0; #if DISPATCH_COCOA_COMPAT // ensure that high-level memory management techniques do not leak/crash dispatch_begin_thread_4GC(); void *pool = _dispatch_begin_NSAutoReleasePool(); #endif #if DISPATCH_PERF_MON uint64_t start = _dispatch_absolute_time(); #endif while ((item = fastpath(_dispatch_queue_concurrent_drain_one(dq)))) { _dispatch_continuation_pop(item); } #if DISPATCH_PERF_MON _dispatch_queue_merge_stats(start); #endif #if DISPATCH_COCOA_COMPAT _dispatch_end_NSAutoReleasePool(pool); dispatch_end_thread_4GC(); #endif _dispatch_thread_setspecific(dispatch_queue_key, NULL); _dispatch_force_cache_cleanup(); } #if DISPATCH_PERF_MON void _dispatch_queue_merge_stats(uint64_t start) { uint64_t avg, delta = _dispatch_absolute_time() - start; unsigned long count, bucket; count = (size_t)_dispatch_thread_getspecific(dispatch_bcounter_key); _dispatch_thread_setspecific(dispatch_bcounter_key, NULL); if (count) { avg = delta / count; bucket = flsll(avg); } else { bucket = 0; } // 64-bit counters on 32-bit require a lock or a queue OSSpinLockLock(&_dispatch_stats_lock); _dispatch_stats[bucket].time_total += delta; _dispatch_stats[bucket].count_total += count; _dispatch_stats[bucket].thread_total++; OSSpinLockUnlock(&_dispatch_stats_lock); } #endif size_t dispatch_queue_debug_attr(dispatch_queue_t dq, char* buf, size_t bufsiz) { return snprintf(buf, bufsiz, "parent = %p ", dq->do_targetq); } size_t dispatch_queue_debug(dispatch_queue_t dq, char* buf, size_t bufsiz) { size_t offset = 0; offset += snprintf(&buf[offset], bufsiz - offset, "%s[%p] = { ", dq->dq_label, dq); offset += dispatch_object_debug_attr(dq, &buf[offset], bufsiz - offset); offset += dispatch_queue_debug_attr(dq, &buf[offset], bufsiz - offset); offset += snprintf(&buf[offset], bufsiz - offset, "}"); return offset; } #if DISPATCH_DEBUG void dispatch_debug_queue(dispatch_queue_t dq, const char* str) { if (fastpath(dq)) { dispatch_debug(dq, "%s", str); } else { _dispatch_log("queue[NULL]: %s", str); } } #endif #if DISPATCH_COCOA_COMPAT void _dispatch_main_queue_callback_4CF(mach_msg_header_t *msg __attribute__((unused))) { if (main_q_is_draining) { return; } _dispatch_queue_set_mainq_drain_state(true); _dispatch_queue_serial_drain_till_empty(&_dispatch_main_q); _dispatch_queue_set_mainq_drain_state(false); } mach_port_t _dispatch_get_main_queue_port_4CF(void) { dispatch_once_f(&_dispatch_main_q_port_pred, NULL, _dispatch_main_q_port_init); return main_q_port; } #endif #ifndef DISPATCH_NO_LEGACY static void dispatch_queue_attr_dispose(dispatch_queue_attr_t attr) { dispatch_queue_attr_set_finalizer_f(attr, NULL, NULL); _dispatch_dispose(attr); } static const struct dispatch_queue_attr_vtable_s dispatch_queue_attr_vtable = { .do_type = DISPATCH_QUEUE_ATTR_TYPE, .do_kind = "queue-attr", .do_dispose = dispatch_queue_attr_dispose, }; dispatch_queue_attr_t dispatch_queue_attr_create(void) { dispatch_queue_attr_t a = calloc(1, sizeof(struct dispatch_queue_attr_s)); if (a) { a->do_vtable = &dispatch_queue_attr_vtable; a->do_next = DISPATCH_OBJECT_LISTLESS; a->do_ref_cnt = 1; a->do_xref_cnt = 1; a->do_targetq = _dispatch_get_root_queue(0, 0); a->qa_flags = DISPATCH_QUEUE_OVERCOMMIT; } return a; } void dispatch_queue_attr_set_flags(dispatch_queue_attr_t attr, uint64_t flags) { dispatch_assert_zero(flags & ~DISPATCH_QUEUE_FLAGS_MASK); attr->qa_flags = (unsigned long)flags & DISPATCH_QUEUE_FLAGS_MASK; } void dispatch_queue_attr_set_priority(dispatch_queue_attr_t attr, int priority) { dispatch_debug_assert(attr, "NULL pointer"); dispatch_debug_assert(priority <= DISPATCH_QUEUE_PRIORITY_HIGH && priority >= DISPATCH_QUEUE_PRIORITY_LOW, "Invalid priority"); if (priority > 0) { priority = DISPATCH_QUEUE_PRIORITY_HIGH; } else if (priority < 0) { priority = DISPATCH_QUEUE_PRIORITY_LOW; } attr->qa_priority = priority; } void dispatch_queue_attr_set_finalizer_f(dispatch_queue_attr_t attr, void *context, dispatch_queue_finalizer_function_t finalizer) { #ifdef __BLOCKS__ if (attr->finalizer_func == (void*)_dispatch_call_block_and_release2) { Block_release(attr->finalizer_ctxt); } #endif attr->finalizer_ctxt = context; attr->finalizer_func = finalizer; } #ifdef __BLOCKS__ long dispatch_queue_attr_set_finalizer(dispatch_queue_attr_t attr, dispatch_queue_finalizer_t finalizer) { void *ctxt; dispatch_queue_finalizer_function_t func; if (finalizer) { if (!(ctxt = Block_copy(finalizer))) { return 1; } func = (void *)_dispatch_call_block_and_release2; } else { ctxt = NULL; func = NULL; } dispatch_queue_attr_set_finalizer_f(attr, ctxt, func); return 0; } #endif #endif /* DISPATCH_NO_LEGACY */ static void _dispatch_ccache_init(void *context __attribute__((unused))) { _dispatch_ccache_zone = malloc_create_zone(0, 0); dispatch_assert(_dispatch_ccache_zone); malloc_set_zone_name(_dispatch_ccache_zone, "DispatchContinuations"); } dispatch_continuation_t _dispatch_continuation_alloc_from_heap(void) { static dispatch_once_t pred; dispatch_continuation_t dc; dispatch_once_f(&pred, NULL, _dispatch_ccache_init); while (!(dc = fastpath(malloc_zone_calloc(_dispatch_ccache_zone, 1, ROUND_UP_TO_CACHELINE_SIZE(sizeof(*dc)))))) { sleep(1); } return dc; } void _dispatch_force_cache_cleanup(void) { dispatch_continuation_t dc = _dispatch_thread_getspecific(dispatch_cache_key); if (dc) { _dispatch_thread_setspecific(dispatch_cache_key, NULL); _dispatch_cache_cleanup2(dc); } } DISPATCH_NOINLINE void _dispatch_cache_cleanup2(void *value) { dispatch_continuation_t dc, next_dc = value; while ((dc = next_dc)) { next_dc = dc->do_next; malloc_zone_free(_dispatch_ccache_zone, dc); } } static char _dispatch_build[16]; /* * XXXRW: What to do here for !Mac OS X? */ static void _dispatch_bug_init(void *context __attribute__((unused))) { #ifdef __APPLE__ int mib[] = { CTL_KERN, KERN_OSVERSION }; size_t bufsz = sizeof(_dispatch_build); sysctl(mib, 2, _dispatch_build, &bufsz, NULL, 0); #else memset(_dispatch_build, 0, sizeof(_dispatch_build)); #endif } void _dispatch_bug(size_t line, long val) { static dispatch_once_t pred; static void *last_seen; void *ra = __builtin_return_address(0); dispatch_once_f(&pred, NULL, _dispatch_bug_init); if (last_seen != ra) { last_seen = ra; _dispatch_log("BUG in libdispatch: %s - %lu - 0x%lx", _dispatch_build, (unsigned long)line, val); } } void _dispatch_abort(size_t line, long val) { _dispatch_bug(line, val); abort(); } void _dispatch_log(const char *msg, ...) { va_list ap; va_start(ap, msg); _dispatch_logv(msg, ap); va_end(ap); } void _dispatch_logv(const char *msg, va_list ap) { #if DISPATCH_DEBUG static FILE *logfile, *tmp; char newbuf[strlen(msg) + 2]; char path[PATH_MAX]; sprintf(newbuf, "%s\n", msg); if (!logfile) { snprintf(path, sizeof(path), "/var/tmp/libdispatch.%d.log", getpid()); tmp = fopen(path, "a"); assert(tmp); if (!dispatch_atomic_cmpxchg(&logfile, NULL, tmp)) { fclose(tmp); } else { struct timeval tv; gettimeofday(&tv, NULL); fprintf(logfile, "=== log file opened for %s[%u] at %ld.%06u ===\n", getprogname() ?: "", getpid(), tv.tv_sec, tv.tv_usec); } } vfprintf(logfile, newbuf, ap); fflush(logfile); #else vsyslog(LOG_NOTICE, msg, ap); #endif } int _dispatch_pthread_sigmask(int how, sigset_t *set, sigset_t *oset) { int r; /* Workaround: 6269619 Not all signals can be delivered on any thread */ r = sigdelset(set, SIGILL); (void)dispatch_assume_zero(r); r = sigdelset(set, SIGTRAP); (void)dispatch_assume_zero(r); #if HAVE_DECL_SIGEMT r = sigdelset(set, SIGEMT); (void)dispatch_assume_zero(r); #endif r = sigdelset(set, SIGFPE); (void)dispatch_assume_zero(r); r = sigdelset(set, SIGBUS); (void)dispatch_assume_zero(r); r = sigdelset(set, SIGSEGV); (void)dispatch_assume_zero(r); r = sigdelset(set, SIGSYS); (void)dispatch_assume_zero(r); r = sigdelset(set, SIGPIPE); (void)dispatch_assume_zero(r); return pthread_sigmask(how, set, oset); } bool _dispatch_safe_fork = true; void dispatch_atfork_prepare(void) { } void dispatch_atfork_parent(void) { } void dispatch_atfork_child(void) { void *crash = (void *)0x100; size_t i; if (_dispatch_safe_fork) { return; } _dispatch_main_q.dq_items_head = crash; _dispatch_main_q.dq_items_tail = crash; _dispatch_mgr_q.dq_items_head = crash; _dispatch_mgr_q.dq_items_tail = crash; for (i = 0; i < DISPATCH_ROOT_QUEUE_COUNT; i++) { _dispatch_root_queues[i].dq_items_head = crash; _dispatch_root_queues[i].dq_items_tail = crash; } } void dispatch_init_pthread(pthread_t pthr __attribute__((unused))) { } const struct dispatch_queue_offsets_s dispatch_queue_offsets = { .dqo_version = 3, .dqo_label = offsetof(struct dispatch_queue_s, dq_label), .dqo_label_size = sizeof(_dispatch_main_q.dq_label), .dqo_flags = 0, .dqo_flags_size = 0, .dqo_width = offsetof(struct dispatch_queue_s, dq_width), .dqo_width_size = sizeof(_dispatch_main_q.dq_width), .dqo_serialnum = offsetof(struct dispatch_queue_s, dq_serialnum), .dqo_serialnum_size = sizeof(_dispatch_main_q.dq_serialnum), .dqo_running = offsetof(struct dispatch_queue_s, dq_running), .dqo_running_size = sizeof(_dispatch_main_q.dq_running), }; #ifdef __BLOCKS__ void dispatch_after(dispatch_time_t when, dispatch_queue_t queue, dispatch_block_t work) { // test before the copy of the block if (when == DISPATCH_TIME_FOREVER) { #if DISPATCH_DEBUG DISPATCH_CLIENT_CRASH("dispatch_after() called with 'when' == infinity"); #endif return; } dispatch_after_f(when, queue, _dispatch_Block_copy(work), _dispatch_call_block_and_release); } #endif struct _dispatch_after_time_s { void *datc_ctxt; void (*datc_func)(void *); dispatch_source_t ds; }; static void _dispatch_after_timer_cancel(void *ctxt) { struct _dispatch_after_time_s *datc = ctxt; dispatch_source_t ds = datc->ds; free(datc); dispatch_release(ds); // MUST NOT be _dispatch_release() } static void _dispatch_after_timer_callback(void *ctxt) { struct _dispatch_after_time_s *datc = ctxt; dispatch_assert(datc->datc_func); datc->datc_func(datc->datc_ctxt); dispatch_source_cancel(datc->ds); } DISPATCH_NOINLINE void dispatch_after_f(dispatch_time_t when, dispatch_queue_t queue, void *ctxt, void (*func)(void *)) { uint64_t delta; struct _dispatch_after_time_s *datc = NULL; dispatch_source_t ds = NULL; if (when == DISPATCH_TIME_FOREVER) { #if DISPATCH_DEBUG DISPATCH_CLIENT_CRASH("dispatch_after_f() called with 'when' == infinity"); #endif return; } delta = _dispatch_timeout(when); if (delta == 0) { return dispatch_async_f(queue, ctxt, func); } // this function should be optimized to not use a dispatch source ds = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, queue); dispatch_assert(ds); datc = malloc(sizeof(struct _dispatch_after_time_s)); dispatch_assert(datc); datc->datc_ctxt = ctxt; datc->datc_func = func; datc->ds = ds; dispatch_set_context(ds, datc); dispatch_source_set_event_handler_f(ds, _dispatch_after_timer_callback); dispatch_source_set_cancel_handler_f(ds, _dispatch_after_timer_cancel); dispatch_source_set_timer(ds, when, 0, 0); dispatch_resume(ds); } libdispatch-0~svn197/src/once.c0000644000175100017500000000570411505136244016116 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #include "internal.h" #undef dispatch_once #undef dispatch_once_f #ifdef __BLOCKS__ void dispatch_once(dispatch_once_t *val, void (^block)(void)) { struct Block_basic *bb = (struct Block_basic *)(void *)block; dispatch_once_f(val, block, (dispatch_function_t)bb->Block_invoke); } #endif DISPATCH_NOINLINE void dispatch_once_f(dispatch_once_t *val, void *ctxt, void (*func)(void *)) { volatile long *vval = val; if (dispatch_atomic_cmpxchg(val, 0l, 1l)) { func(ctxt); // The next barrier must be long and strong. // // The scenario: SMP systems with weakly ordered memory models // and aggressive out-of-order instruction execution. // // The problem: // // The dispatch_once*() wrapper macro causes the callee's // instruction stream to look like this (pseudo-RISC): // // load r5, pred-addr // cmpi r5, -1 // beq 1f // call dispatch_once*() // 1f: // load r6, data-addr // // May be re-ordered like so: // // load r6, data-addr // load r5, pred-addr // cmpi r5, -1 // beq 1f // call dispatch_once*() // 1f: // // Normally, a barrier on the read side is used to workaround // the weakly ordered memory model. But barriers are expensive // and we only need to synchronize once! After func(ctxt) // completes, the predicate will be marked as "done" and the // branch predictor will correctly skip the call to // dispatch_once*(). // // A far faster alternative solution: Defeat the speculative // read-ahead of peer CPUs. // // Modern architectures will throw away speculative results // once a branch mis-prediction occurs. Therefore, if we can // ensure that the predicate is not marked as being complete // until long after the last store by func(ctxt), then we have // defeated the read-ahead of peer CPUs. // // In other words, the last "store" by func(ctxt) must complete // and then N cycles must elapse before ~0l is stored to *val. // The value of N is whatever is sufficient to defeat the // read-ahead mechanism of peer CPUs. // // On some CPUs, the most fully synchronizing instruction might // need to be issued. dispatch_atomic_barrier(); *val = ~0l; } else { do { _dispatch_hardware_pause(); } while (*vval != ~0l); dispatch_atomic_barrier(); } } libdispatch-0~svn197/src/semaphore_internal.h0000644000175100017500000000352311505136244021053 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ /* * IMPORTANT: This header file describes INTERNAL interfaces to libdispatch * which are subject to change in future releases of Mac OS X. Any applications * relying on these interfaces WILL break. */ #ifndef __DISPATCH_SEMAPHORE_INTERNAL__ #define __DISPATCH_SEMAPHORE_INTERNAL__ struct dispatch_sema_notify_s { struct dispatch_sema_notify_s *dsn_next; dispatch_queue_t dsn_queue; void *dsn_ctxt; void (*dsn_func)(void *); }; struct dispatch_semaphore_s { DISPATCH_STRUCT_HEADER(dispatch_semaphore_s, dispatch_semaphore_vtable_s); long dsema_value; long dsema_orig; size_t dsema_sent_ksignals; #if (USE_MACH_SEM + USE_POSIX_SEM + USE_WIN32_SEM) > 1 #error "Too many supported semaphore types" #elif USE_MACH_SEM semaphore_t dsema_port; semaphore_t dsema_waiter_port; #elif USE_POSIX_SEM sem_t dsema_sem; #elif USE_WIN32_SEM HANDLE dsema_handle; HANDLE dsema_waiter_handle; #else #error "No supported semaphore type" #endif size_t dsema_group_waiters; struct dispatch_sema_notify_s *dsema_notify_head; struct dispatch_sema_notify_s *dsema_notify_tail; }; extern const struct dispatch_semaphore_vtable_s _dispatch_semaphore_vtable; #endif libdispatch-0~svn197/src/queue_internal.h0000644000175100017500000001154211505136244020214 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ /* * IMPORTANT: This header file describes INTERNAL interfaces to libdispatch * which are subject to change in future releases of Mac OS X. Any applications * relying on these interfaces WILL break. */ #ifndef __DISPATCH_QUEUE_INTERNAL__ #define __DISPATCH_QUEUE_INTERNAL__ #ifndef __DISPATCH_INDIRECT__ #error "Please #include instead of this file directly." #include // for HeaderDoc #endif // If dc_vtable is less than 127, then the object is a continuation. // Otherwise, the object has a private layout and memory management rules. The // first two words must align with normal objects. #define DISPATCH_CONTINUATION_HEADER(x) \ const void * do_vtable; \ struct x *volatile do_next; \ dispatch_function_t dc_func; \ void * dc_ctxt #define DISPATCH_OBJ_ASYNC_BIT 0x1 #define DISPATCH_OBJ_BARRIER_BIT 0x2 #define DISPATCH_OBJ_GROUP_BIT 0x4 // vtables are pointers far away from the low page in memory #define DISPATCH_OBJ_IS_VTABLE(x) ((unsigned long)(x)->do_vtable > 127ul) struct dispatch_continuation_s { DISPATCH_CONTINUATION_HEADER(dispatch_continuation_s); dispatch_group_t dc_group; void * dc_data[3]; }; typedef struct dispatch_continuation_s *dispatch_continuation_t; struct dispatch_queue_vtable_s { DISPATCH_VTABLE_HEADER(dispatch_queue_s); }; #define DISPATCH_QUEUE_MIN_LABEL_SIZE 64 #ifndef DISPATCH_NO_LEGACY #define DISPATCH_QUEUE_HEADER \ uint32_t dq_running; \ uint32_t dq_width; \ struct dispatch_object_s *dq_items_tail; \ struct dispatch_object_s *volatile dq_items_head; \ unsigned long dq_serialnum; \ void *dq_finalizer_ctxt; \ dispatch_queue_finalizer_function_t dq_finalizer_func #else #define DISPATCH_QUEUE_HEADER \ uint32_t dq_running; \ uint32_t dq_width; \ struct dispatch_object_s *dq_items_tail; \ struct dispatch_object_s *volatile dq_items_head; \ unsigned long dq_serialnum; \ void *dq_finalizer_ctxt; #endif struct dispatch_queue_s { DISPATCH_STRUCT_HEADER(dispatch_queue_s, dispatch_queue_vtable_s); DISPATCH_QUEUE_HEADER; char dq_label[DISPATCH_QUEUE_MIN_LABEL_SIZE]; // must be last }; extern struct dispatch_queue_s _dispatch_mgr_q; #define DISPATCH_ROOT_QUEUE_COUNT (DISPATCH_QUEUE_PRIORITY_COUNT * 2) extern struct dispatch_queue_s _dispatch_root_queues[]; void _dispatch_queue_init(dispatch_queue_t dq); void _dispatch_queue_drain(dispatch_queue_t dq); void _dispatch_queue_dispose(dispatch_queue_t dq); void _dispatch_queue_push_list_slow(dispatch_queue_t dq, struct dispatch_object_s *obj); void _dispatch_queue_serial_drain_till_empty(dispatch_queue_t dq); void _dispatch_force_cache_cleanup(void); __attribute__((always_inline)) static inline void _dispatch_queue_push_list(dispatch_queue_t dq, dispatch_object_t _head, dispatch_object_t _tail) { struct dispatch_object_s *prev, *head = _head._do, *tail = _tail._do; tail->do_next = NULL; prev = fastpath(dispatch_atomic_xchg(&dq->dq_items_tail, tail)); if (prev) { // if we crash here with a value less than 0x1000, then we are at a known bug in client code // for example, see _dispatch_queue_dispose or _dispatch_atfork_child prev->do_next = head; } else { _dispatch_queue_push_list_slow(dq, head); } } #define _dispatch_queue_push(x, y) _dispatch_queue_push_list((x), (y), (y)) #define DISPATCH_QUEUE_PRIORITY_COUNT 3 #if DISPATCH_DEBUG void dispatch_debug_queue(dispatch_queue_t dq, const char* str); #else static inline void dispatch_debug_queue(dispatch_queue_t dq __attribute__((unused)), const char* str __attribute__((unused))) {} #endif size_t dispatch_queue_debug(dispatch_queue_t dq, char* buf, size_t bufsiz); size_t dispatch_queue_debug_attr(dispatch_queue_t dq, char* buf, size_t bufsiz); static inline dispatch_queue_t _dispatch_queue_get_current(void) { return _dispatch_thread_getspecific(dispatch_queue_key); } __private_extern__ malloc_zone_t *_dispatch_ccache_zone; dispatch_continuation_t _dispatch_continuation_alloc_from_heap(void); static inline dispatch_continuation_t _dispatch_continuation_alloc_cacheonly(void) { dispatch_continuation_t dc = fastpath(_dispatch_thread_getspecific(dispatch_cache_key)); if (dc) { _dispatch_thread_setspecific(dispatch_cache_key, dc->do_next); } return dc; } #endif libdispatch-0~svn197/src/apply.c0000644000175100017500000001213711505136244016315 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #include "internal.h" // We'd use __attribute__((aligned(x))), but it does not atually increase the // alignment of stack variables. All we really need is the stack usage of the // local thread to be sufficiently away to avoid cache-line contention with the // busy 'da_index' variable. // // NOTE: 'char' arrays cause GCC to insert buffer overflow detection logic struct dispatch_apply_s { long _da_pad0[DISPATCH_CACHELINE_SIZE / sizeof(long)]; void (*da_func)(void *, size_t); void *da_ctxt; size_t da_iterations; size_t da_index; uint32_t da_thr_cnt; dispatch_semaphore_t da_sema; long _da_pad1[DISPATCH_CACHELINE_SIZE / sizeof(long)]; }; static void _dispatch_apply2(void *_ctxt) { struct dispatch_apply_s *da = _ctxt; size_t const iter = da->da_iterations; typeof(da->da_func) const func = da->da_func; void *const ctxt = da->da_ctxt; size_t idx; _dispatch_workitem_dec(); // this unit executes many items // Striding is the responsibility of the caller. while (fastpath((idx = dispatch_atomic_inc(&da->da_index) - 1) < iter)) { func(ctxt, idx); _dispatch_workitem_inc(); } if (dispatch_atomic_dec(&da->da_thr_cnt) == 0) { dispatch_semaphore_signal(da->da_sema); } } static void _dispatch_apply_serial(void *context) { struct dispatch_apply_s *da = context; size_t idx = 0; _dispatch_workitem_dec(); // this unit executes many items do { da->da_func(da->da_ctxt, idx); _dispatch_workitem_inc(); } while (++idx < da->da_iterations); } #ifdef __BLOCKS__ void dispatch_apply(size_t iterations, dispatch_queue_t dq, void (^work)(size_t)) { struct Block_basic *bb = (void *)work; dispatch_apply_f(iterations, dq, bb, (void *)bb->Block_invoke); } #endif // 256 threads should be good enough for the short to mid term #define DISPATCH_APPLY_MAX_CPUS 256 DISPATCH_NOINLINE void dispatch_apply_f(size_t iterations, dispatch_queue_t dq, void *ctxt, void (*func)(void *, size_t)) { struct dispatch_apply_dc_s { DISPATCH_CONTINUATION_HEADER(dispatch_apply_dc_s); } da_dc[DISPATCH_APPLY_MAX_CPUS]; struct dispatch_apply_s da; size_t i; da.da_func = func; da.da_ctxt = ctxt; da.da_iterations = iterations; da.da_index = 0; da.da_thr_cnt = _dispatch_hw_config.cc_max_active; if (da.da_thr_cnt > DISPATCH_APPLY_MAX_CPUS) { da.da_thr_cnt = DISPATCH_APPLY_MAX_CPUS; } if (slowpath(iterations == 0)) { return; } if (iterations < da.da_thr_cnt) { da.da_thr_cnt = (uint32_t)iterations; } if (slowpath(dq->dq_width <= 2 || da.da_thr_cnt <= 1)) { return dispatch_sync_f(dq, &da, _dispatch_apply_serial); } for (i = 0; i < da.da_thr_cnt; i++) { da_dc[i].do_vtable = NULL; da_dc[i].do_next = &da_dc[i + 1]; da_dc[i].dc_func = _dispatch_apply2; da_dc[i].dc_ctxt = &da; } da.da_sema = _dispatch_get_thread_semaphore(); // some queues are easy to borrow and some are not if (slowpath(dq->do_targetq)) { _dispatch_queue_push_list(dq, (void *)&da_dc[0], (void *)&da_dc[da.da_thr_cnt - 1]); } else { dispatch_queue_t old_dq = _dispatch_thread_getspecific(dispatch_queue_key); // root queues are always concurrent and safe to borrow _dispatch_queue_push_list(dq, (void *)&da_dc[1], (void *)&da_dc[da.da_thr_cnt - 1]); _dispatch_thread_setspecific(dispatch_queue_key, dq); // The first da_dc[] element was explicitly not pushed on to the queue. // We need to either call it like so: // da_dc[0].dc_func(da_dc[0].dc_ctxt); // Or, given that we know the 'func' and 'ctxt', we can call it directly: _dispatch_apply2(&da); _dispatch_workitem_inc(); _dispatch_thread_setspecific(dispatch_queue_key, old_dq); } dispatch_semaphore_wait(da.da_sema, DISPATCH_TIME_FOREVER); _dispatch_put_thread_semaphore(da.da_sema); } #if 0 #ifdef __BLOCKS__ void dispatch_stride(size_t offset, size_t stride, size_t iterations, dispatch_queue_t dq, void (^work)(size_t)) { struct Block_basic *bb = (void *)work; dispatch_stride_f(offset, stride, iterations, dq, bb, (void *)bb->Block_invoke); } #endif DISPATCH_NOINLINE void dispatch_stride_f(size_t offset, size_t stride, size_t iterations, dispatch_queue_t dq, void *ctxt, void (*func)(void *, size_t)) { if (stride == 0) { stride = 1; } dispatch_apply(iterations / stride, queue, ^(size_t idx) { size_t i = idx * stride + offset; size_t stop = i + stride; do { func(ctxt, i++); } while (i < stop); }); dispatch_sync(queue, ^{ size_t i; for (i = iterations - (iterations % stride); i < iterations; i++) { func(ctxt, i + offset); } }); } #endif libdispatch-0~svn197/src/hw_shims.h0000644000175100017500000000542011505136244017013 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ /* * IMPORTANT: This header file describes INTERNAL interfaces to libdispatch * which are subject to change in future releases of Mac OS X. Any applications * relying on these interfaces WILL break. */ #ifndef __DISPATCH_HW_SHIMS__ #define __DISPATCH_HW_SHIMS__ /* x86 has a 64 byte cacheline */ #define DISPATCH_CACHELINE_SIZE 64 #define ROUND_UP_TO_CACHELINE_SIZE(x) (((x) + (DISPATCH_CACHELINE_SIZE - 1)) & ~(DISPATCH_CACHELINE_SIZE - 1)) #define ROUND_UP_TO_VECTOR_SIZE(x) (((x) + 15) & ~15) #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 2) // GCC generates suboptimal register pressure // LLVM does better, but doesn't support tail calls // 6248590 __sync_*() intrinsics force a gratuitous "lea" instruction, with resulting register pressure #if 0 && defined(__i386__) || defined(__x86_64__) #define dispatch_atomic_xchg(p, n) ({ typeof(*(p)) _r; asm("xchg %0, %1" : "=r" (_r) : "m" (*(p)), "0" (n)); _r; }) #else #define dispatch_atomic_xchg(p, n) ((typeof(*(p)))__sync_lock_test_and_set((p), (n))) #endif #define dispatch_atomic_cmpxchg(p, o, n) __sync_bool_compare_and_swap((p), (o), (n)) #define dispatch_atomic_inc(p) __sync_add_and_fetch((p), 1) #define dispatch_atomic_dec(p) __sync_sub_and_fetch((p), 1) #define dispatch_atomic_add(p, v) __sync_add_and_fetch((p), (v)) #define dispatch_atomic_sub(p, v) __sync_sub_and_fetch((p), (v)) #define dispatch_atomic_or(p, v) __sync_fetch_and_or((p), (v)) #define dispatch_atomic_and(p, v) __sync_fetch_and_and((p), (v)) #if defined(__i386__) || defined(__x86_64__) /* GCC emits nothing for __sync_synchronize() on i386/x86_64. */ #define dispatch_atomic_barrier() __asm__ __volatile__("mfence") #else #define dispatch_atomic_barrier() __sync_synchronize() #endif #else #error "Please upgrade to GCC 4.2 or newer." #endif #if defined(__i386__) || defined(__x86_64__) #define _dispatch_hardware_pause() asm("pause") #define _dispatch_debugger() asm("int3") #else #define _dispatch_hardware_pause() asm("") #define _dispatch_debugger() asm("trap") #endif // really just a low level abort() #define _dispatch_hardware_crash() __builtin_trap() #endif libdispatch-0~svn197/src/Makefile.am0000644000175100017500000000214111505136244017052 0ustar mheilymheily# # # lib_LTLIBRARIES=libdispatch.la noinst_LTLIBRARIES=libshims.la libdispatch_la_SOURCES= \ apply.c \ benchmark.c \ object.c \ once.c \ queue.c \ queue_kevent.c \ semaphore.c \ source.c \ source_kevent.c \ time.c libshims_la_SOURCES= \ shims/mach.c \ shims/time.c \ shims/tsd.c libdispatch_la_CFLAGS=-Wall INCLUDES=-I$(top_builddir) -I$(top_srcdir) \ @APPLE_LIBC_SOURCE_PATH@ @APPLE_XNU_SOURCE_PATH@ libdispatch_la_CFLAGS+=$(MARCH_FLAGS) $(CBLOCKS_FLAGS) $(KQUEUE_CFLAGS) if USE_LEGACY_API libdispatch_la_SOURCES+= \ legacy.c endif libdispatch_la_LIBADD=libshims.la $(KQUEUE_LIBS) libdispatch_la_DEPENDENCIES=libshims.la if USE_LIBPTHREAD_WORKQUEUE libdispatch_la_LIBADD+=-lpthread_workqueue endif if USE_MIG libdispatch_la_SOURCES+= \ protocolUser.c \ protocolServer.c BUILT_SOURCES= \ protocol.h \ protocolUser.c \ protocolServer.c \ protocolServer.h CLEANFILES=$BUILT_SOURCES protocol.h protocolUser.c protocolServer.h protocolServer.c: protocol.defs $(MIG) -user protocolUser.c -header protocol.h \ -server protocolServer.c -sheader protocolServer.h protocol.defs endif libdispatch-0~svn197/src/os_shims.h0000644000175100017500000000351111505136244017015 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ /* * IMPORTANT: This header file describes INTERNAL interfaces to libdispatch * which are subject to change in future releases of Mac OS X. Any applications * relying on these interfaces WILL break. */ #ifndef __DISPATCH_OS_SHIMS__ #define __DISPATCH_OS_SHIMS__ #include #if HAVE_PTHREAD_MACHDEP_H #include #endif #if HAVE_PTHREAD_WORKQUEUES #include #endif #if HAVE_PTHREAD_NP_H #include #endif #if USE_APPLE_CRASHREPORTER_INFO __private_extern__ const char *__crashreporter_info__; #endif #if !HAVE_DECL_FD_COPY #define FD_COPY(f, t) (void)(*(t) = *(f)) #endif #if TARGET_OS_WIN32 #define bzero(ptr,len) memset((ptr), 0, (len)) #define snprintf _snprintf inline size_t strlcpy(char *dst, const char *src, size_t size) { int res = strlen(dst) + strlen(src) + 1; if (size > 0) { size_t n = size - 1; strncpy(dst, src, n); dst[n] = 0; } return res; } #endif #include "shims/getprogname.h" #include "shims/malloc_zone.h" #include "shims/tsd.h" #include "shims/perfmon.h" #include "shims/time.h" #endif libdispatch-0~svn197/src/benchmark.c0000644000175100017500000000555211505136244017125 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #include "internal.h" struct __dispatch_benchmark_data_s { #if HAVE_MACH_ABSOLUTE_TIME mach_timebase_info_data_t tbi; #endif uint64_t loop_cost; void (*func)(void *); void *ctxt; size_t count; }; static void _dispatch_benchmark_init(void *context) { struct __dispatch_benchmark_data_s *bdata = (struct __dispatch_benchmark_data_s *)context; // try and simulate performance of real benchmark as much as possible // keep 'f', 'c' and 'cnt' in registers register void (*f)(void *) = bdata->func; register void *c = bdata->ctxt; register size_t cnt = bdata->count; size_t i = 0; uint64_t start, delta; #ifdef __LP64__ __uint128_t lcost; #else long double lcost; #endif #if HAVE_MACH_ABSOLUTE_TIME kern_return_t kr; kr = mach_timebase_info(&bdata->tbi); dispatch_assert_zero(kr); #endif start = _dispatch_absolute_time(); do { i++; f(c); } while (i < cnt); delta = _dispatch_absolute_time() - start; lcost = delta; #if HAVE_MACH_ABSOLUTE_TIME lcost *= bdata->tbi.numer; lcost /= bdata->tbi.denom; #endif lcost /= cnt; bdata->loop_cost = lcost; } #ifdef __BLOCKS__ uint64_t dispatch_benchmark(size_t count, void (^block)(void)) { struct Block_basic *bb = (struct Block_basic *)(void *)block; return dispatch_benchmark_f(count, block, (dispatch_function_t)bb->Block_invoke); } #endif uint64_t dispatch_benchmark_f(size_t count, register void *ctxt, register void (*func)(void *)) { static struct __dispatch_benchmark_data_s bdata = { .func = (dispatch_function_t)dummy_function, .count = 10000000ul, // ten million }; static dispatch_once_t pred; uint64_t ns, start, delta; #ifdef __LP64__ __uint128_t conversion, big_denom; #else long double conversion, big_denom; #endif size_t i = 0; dispatch_once_f(&pred, &bdata, _dispatch_benchmark_init); if (slowpath(count == 0)) { return 0; } start = _dispatch_absolute_time(); do { i++; func(ctxt); } while (i < count); delta = _dispatch_absolute_time() - start; conversion = delta; #if HAVE_MACH_ABSOLUTE_TIME conversion *= bdata.tbi.numer; big_denom = bdata.tbi.denom; #else big_denom = delta; #endif big_denom *= count; conversion /= big_denom; ns = conversion; return ns - bdata.loop_cost; } libdispatch-0~svn197/src/kevent_internal.h0000644000175100017500000000302711505136244020363 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ /* * IMPORTANT: This header file describes INTERNAL interfaces to libdispatch * which are subject to change in future releases of Mac OS X. Any applications * relying on these interfaces WILL break. */ #ifndef __DISPATCH_KEVENT_INTERNAL__ #define __DISPATCH_KEVENT_INTERNAL__ #include #include struct dispatch_kevent_s { TAILQ_ENTRY(dispatch_kevent_s) dk_list; TAILQ_HEAD(, dispatch_source_s) dk_sources; struct kevent dk_kevent; }; extern const struct dispatch_source_vtable_s _dispatch_source_kevent_vtable; #if DISPATCH_DEBUG void dispatch_debug_kevents(struct kevent* kev, size_t count, const char* str); #else #define dispatch_debug_kevents(x, y, z) #endif void _dispatch_source_drain_kevent(struct kevent *); void _dispatch_update_kq(const struct kevent *); #endif /* __DISPATCH_KEVENT_INTERNAL__ */ libdispatch-0~svn197/man/0000755000175100017500000000000011505136533015005 5ustar mheilymheilylibdispatch-0~svn197/man/Makefile.in0000644000175100017500000004315311505136270017056 0ustar mheilymheily# Makefile.in generated by automake 1.11.1 from Makefile.am. # @configure_input@ # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, # 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, # Inc. # This Makefile.in is free software; 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Is there a better way to do this in automake? # install-data-hook: cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_after.3 dispatch_after_f.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_apply.3 dispatch_apply_f.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_async.3 dispatch_sync.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_async.3 dispatch_async_f.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_async.3 dispatch_sync_f.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_benchmark.3 dispatch_benchmark_f.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_group_create.3 dispatch_group_enter.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_group_create.3 dispatch_group_leave.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_group_create.3 dispatch_group_wait.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_group_create.3 dispatch_group_notify.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_group_create.3 dispatch_group_notify_f.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_group_create.3 dispatch_group_async.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_group_create.3 dispatch_group_async_f.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_object.3 dispatch_retain.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_object.3 dispatch_release.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_object.3 dispatch_suspend.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_object.3 dispatch_resume.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_object.3 dispatch_get_context.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_object.3 dispatch_set_context.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_object.3 dispatch_set_finalizer_f.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_once.3 dispatch_once_f.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_queue_create.3 dispatch_queue_get_label.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_queue_create.3 dispatch_get_current_queue.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_queue_create.3 dispatch_get_global_queue.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_queue_create.3 dispatch_get_main_queue.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_queue_create.3 dispatch_main.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_queue_create.3 dispatch_set_target_queue.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_semaphore_create.3 \ dispatch_semaphore_signal.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_semaphore_create.3 \ dispatch_semaphore_wait.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_source_create.3 \ dispatch_source_set_event_handler.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_source_create.3 \ dispatch_source_set_event_handler_f.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_source_create.3 \ dispatch_source_set_cancel_handler.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_source_create.3 \ dispatch_source_set_cancel_handler_f.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_source_create.3 \ dispatch_source_cancel.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_source_create.3 \ dispatch_source_testcancel.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_source_create.3 \ dispatch_source_get_handle.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_source_create.3 dispatch_source_get_mask.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_source_create.3 \ dispatch_source_get_data.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_source_create.3 \ dispatch_source_merge_data.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_source_create.3 \ dispatch_source_set_timer.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_time.3 dispatch_walltime.3 # Tell versions [3.59,3.63) of GNU make to not export all variables. # Otherwise a system limit (for SysV at least) may be exceeded. .NOEXPORT: libdispatch-0~svn197/man/dispatch_group_create.30000644000175100017500000000735511505136244021440 0ustar mheilymheily.\" Copyright (c) 2008-2009 Apple Inc. All rights reserved. .Dd May 1, 2009 .Dt dispatch_group_create 3 .Os Darwin .Sh NAME .Nm dispatch_group_create , .Nm dispatch_group_async , .Nm dispatch_group_wait , .Nm dispatch_group_notify .Nd group blocks submitted to queues .Sh SYNOPSIS .Fd #include .Ft dispatch_group_t .Fo dispatch_group_create .Fa void .Fc .Ft void .Fo dispatch_group_enter .Fa "dispatch_group_t group" .Fc .Ft void .Fo dispatch_group_leave .Fa "dispatch_group_t group" .Fc .Ft long .Fo dispatch_group_wait .Fa "dispatch_group_t group" "dispatch_time_t timeout" .Fc .Ft void .Fo dispatch_group_notify .Fa "dispatch_group_t group" "dispatch_queue_t queue" "void (^block)(void)" .Fc .Ft void .Fo dispatch_group_notify_f .Fa "dispatch_group_t group" "dispatch_queue_t queue" "void *context" "void (*function)(void *)" .Fc .Ft void .Fo dispatch_group_async .Fa "dispatch_group_t group" "dispatch_queue_t queue" "void (^block)(void)" .Fc .Ft void .Fo dispatch_group_async_f .Fa "dispatch_group_t group" "dispatch_queue_t queue" "void *context" "void (*function)(void *)" .Fc .Sh DESCRIPTION A dispatch group is an association of one or more blocks submitted to dispatch queues for asynchronous invocation. Applications may use dispatch groups to wait for the completion of blocks associated with the group. .Pp The .Fn dispatch_group_create function returns a new and empty dispatch group. .Pp The .Fn dispatch_group_enter and .Fn dispatch_group_leave functions update the number of blocks running within a group. .Pp The .Fn dispatch_group_wait function waits until all blocks associated with the .Fa group have completed, or until the specified .Fa timeout has elapsed. If the .Fa group becomes empty within the specified amount of time, the function will return zero indicating success. Otherwise, a non-zero return code will be returned. When .Va DISPATCH_TIME_FOREVER is passed as the .Fa timeout , calls to this function will wait an unlimited amount of time until the group becomes empty and the return value is always zero. .Pp The .Fn dispatch_group_notify function provides asynchronous notification of the completion of the blocks associated with the .Fa group by submitting the .Fa block to the specified .Fa queue once all blocks associated with the .Fa group have completed. The system holds a reference to the dispatch group while an asynchronous notification is pending, therefore it is valid to release the .Fa group after setting a notification block. The group will be empty at the time the notification block is submitted to the target queue. The group may either be released with .Fn dispatch_release or reused for additional operations. .Pp The .Fn dispatch_group_async convenience function behaves like so: .Bd -literal void dispatch_group_async(dispatch_group_t group, dispatch_queue_t queue, dispatch_block_t block) { dispatch_retain(group); dispatch_group_enter(group); dispatch_async(queue, ^{ block(); dispatch_group_leave(group); dispatch_release(group); }); } .Ed .Sh RETURN VALUE The .Fn dispatch_group_create function returns NULL on failure and non-NULL on success. .Pp The .Fn dispatch_group_wait function returns zero upon success and non-zero after the timeout expires. If the timeout is .Va DISPATCH_TIME_FOREVER , then .Fn dispatch_group_wait waits forever and always returns zero. .Sh MEMORY MODEL Dispatch groups are retained and released via calls to .Fn dispatch_retain and .Fn dispatch_release . .Sh FUNDAMENTALS The .Fn dispatch_group_async and .Fn dispatch_group_notify functions are wrappers around .Fn dispatch_group_async_f and .Fn dispatch_group_notify_f respectively. .Sh SEE ALSO .Xr dispatch 3 , .Xr dispatch_async 3 , .Xr dispatch_object 3 , .Xr dispatch_queue_create 3 , .Xr dispatch_semaphore_create 3 , .Xr dispatch_time 3 libdispatch-0~svn197/man/dispatch.30000644000175100017500000000240011505136244016663 0ustar mheilymheily.\" Copyright (c) 2008-2009 Apple Inc. All rights reserved. .Dd May 1, 2009 .Dt dispatch 3 .Os Darwin .Sh NAME .Nm dispatch .Nd the dispatch framework .Sh SYNOPSIS .Fd #include .Sh DESCRIPTION The dispatch framework allows blocks to be scheduled for asynchronous and concurrent execution via the core functions described in .Xr dispatch_async 3 and .Xr dispatch_apply 3 . .Pp Dispatch queues are the basic units of organization of blocks. Several queues are created by default, and applications may create additional queues for their own use. See .Xr dispatch_queue_create 3 for more information. .Pp Dispatch groups allow applications to track the progress of blocks submitted to queues and take action when the blocks complete. See .Xr dispatch_group_create 3 for more information. .Pp The dispatch framework also provides functions to monitor underlying system events and automatically submit event handler blocks to dispatch queues. .Sh SEE ALSO .Xr dispatch_after 3 , .Xr dispatch_api 3 , .Xr dispatch_apply 3 , .Xr dispatch_async 3 , .Xr dispatch_benchmark 3 , .Xr dispatch_group_create 3 , .Xr dispatch_object 3 , .Xr dispatch_once 3 , .Xr dispatch_queue_create 3 , .Xr dispatch_semaphore_create 3 , .Xr dispatch_source_create 3 , .Xr dispatch_time 3 libdispatch-0~svn197/man/dispatch_after.30000644000175100017500000000224211505136244020050 0ustar mheilymheily.\" Copyright (c) 2008-2009 Apple Inc. All rights reserved. .Dd May 1, 2009 .Dt dispatch_after 3 .Os Darwin .Sh NAME .Nm dispatch_after .Nd schedule blocks for deferred execution .Sh SYNOPSIS .Fd #include .Ft void .Fo dispatch_after .Fa "dispatch_time_t when" "dispatch_queue_t queue" "void (^block)(void)" .Fc .Ft void .Fo dispatch_after_f .Fa "dispatch_time_t when" "dispatch_queue_t queue" "void *context" "void (*function)(void *)" .Fc .Sh DESCRIPTION The .Fn dispatch_after function submits the .Fa block to the given .Fa queue at the time specified by the .Fa when parameter. The .Fa when parameter is a value created by .Fn dispatch_time or .Fn dispatch_walltime . .Pp For a more detailed description about submitting blocks to queues, see .Xr dispatch_async 3 . .Sh CAVEATS Specifying .Vt DISPATCH_TIME_NOW as the .Fa when parameter is supported, but is not as efficient as calling .Fn dispatch_async . The result of passing .Vt DISPATCH_TIME_FOREVER as the .Fa when parameter is undefined. .Sh FUNDAMENTALS The .Fn dispatch_after function is a wrapper around .Fn dispatch_after_f . .Sh SEE ALSO .Xr dispatch 3 , .Xr dispatch_async 3 , .Xr dispatch_time 3 libdispatch-0~svn197/man/dispatch_source_create.30000644000175100017500000003241711505136244021601 0ustar mheilymheily.\" Copyright (c) 2008-2009 Apple Inc. All rights reserved. .Dd May 1, 2009 .Dt dispatch_source_create 3 .Os Darwin .Sh NAME .Nm dispatch_source_create .Nd dispatch event sources .Sh SYNOPSIS .Fd #include .Ft dispatch_source_t .Fo dispatch_source_create .Fa "dispatch_source_type_t type" .Fa "uintptr_t handle" .Fa "unsigned long mask" .Fa "dispatch_queue_t queue" .Fc .Ft void .Fo dispatch_source_set_event_handler .Fa "dispatch_source_t source" .Fa "void (^block)(void)" .Fc .Ft void .Fo dispatch_source_set_event_handler_f .Fa "dispatch_source_t source" .Fa "void (*function)(void *)" .Fc .Ft void .Fo dispatch_source_set_cancel_handler .Fa "dispatch_source_t source" .Fa "void (^block)(void)" .Fc .Ft void .Fo dispatch_source_set_cancel_handler_f .Fa "dispatch_source_t source" .Fa "void (*function)(void *)" .Fc .Ft void .Fo dispatch_source_cancel .Fa "dispatch_source_t source" .Fc .Ft void .Fo dispatch_source_testcancel .Fa "dispatch_source_t source" .Fc .Ft uintptr_t .Fo dispatch_source_get_handle .Fa "dispatch_source_t source" .Fc .Ft "unsigned long" .Fo dispatch_source_get_mask .Fa "dispatch_source_t source" .Fc .Ft "unsigned long" .Fo dispatch_source_get_data .Fa "dispatch_source_t source" .Fc .Ft void .Fo dispatch_source_merge_data .Fa "dispatch_source_t source" .Fa "unsigned long data" .Fc .Ft void .Fo dispatch_source_set_timer .Fa "dispatch_source_t source" .Fa "dispatch_time_t start" .Fa "uint64_t interval" .Fa "uint64_t leeway" .Fc .Sh DESCRIPTION Dispatch event sources may be used to monitor a variety of system objects and events including file descriptors, mach ports, processes, virtual filesystem nodes, signal delivery and timers. .Pp When a state change occurs, the dispatch source will submit its event handler block to its target queue. .Pp The .Fn dispatch_source_create function creates a new dispatch source object that may be retained and released with calls to .Fn dispatch_retain and .Fn dispatch_release respectively. Newly created sources are created in a suspended state. After the source has been configured by setting an event handler, cancellation handler, context, etc., the source must be activated by a call to .Fn dispatch_resume before any events will be delivered. .Pp Dispatch sources may be one of the following types: .Bl -bullet -compact -offset indent .It DISPATCH_SOURCE_TYPE_DATA_ADD .It DISPATCH_SOURCE_TYPE_DATA_OR .It DISPATCH_SOURCE_TYPE_MACH_SEND .It DISPATCH_SOURCE_TYPE_MACH_RECV .It DISPATCH_SOURCE_TYPE_PROC .It DISPATCH_SOURCE_TYPE_READ .It DISPATCH_SOURCE_TYPE_SIGNAL .It DISPATCH_SOURCE_TYPE_TIMER .It DISPATCH_SOURCE_TYPE_VNODE .It DISPATCH_SOURCE_TYPE_WRITE .El .Pp The .Fa handle and .Fa mask arguments to .Fn dispatch_source_create and the return values of the .Fn dispatch_source_get_handle , .Fn dispatch_source_get_mask , and .Fn dispatch_source_get_data functions should be interpreted according to the type of the dispatch source. .Pp The .Fn dispatch_source_get_handle function returns the underlying handle to the dispatch source (i.e. file descriptor, mach port, process identifer, etc.). The result of this function may be cast directly to the underlying type. .Pp The .Fn dispatch_source_get_mask function returns the set of flags that were specified at source creation time via the .Fa mask argument. .Pp The .Fn dispatch_source_get_data function returns the currently pending data for the dispatch source. This function should only be called from within the source's event handler. The result of calling this function from any other context is undefined. .Pp The .Fn dispatch_source_merge_data function is intended for use with the .Vt DISPATCH_SOURCE_TYPE_DATA_ADD and .Vt DISPATCH_SOURCE_TYPE_DATA_OR source types. The result of using this function with any other source type is undefined. Calling this function will atomically add or logical OR the data into the source's data, and trigger the delivery of the source's event handler. .Pp .Sh SOURCE EVENT HANDLERS In order to receive events from the dispatch source, an event handler should be specified via .Fn dispatch_source_set_event_handler . The event handler block is submitted to the source's target queue when the state of the underlying system handle changes, or when an event occurs. .Pp Dispatch sources may be suspended or resumed independently of their target queues using .Fn dispatch_suspend and .Fn dispatch_resume on the dispatch source directly. The data describing events which occur while a source is suspended are coalesced and delivered once the source is resumed. .Pp The .Fa handler block need not be reentrant safe, as it is not resubmitted to the target .Fa queue until any prior invocation for that dispatch source has completed. When the handler is set, the dispatch source will perform a .Fn Block_copy on the .Fa handler block. .Pp .Sh CANCELLATION The .Fn dispatch_source_cancel function asynchronously cancels the dispatch source, preventing any further invocation of its event handler block. Cancellation does not interrupt a currently executing handler block (non-preemptive). .Pp The .Fn dispatch_source_testcancel function may be used to determine whether the specified source has been canceled. A non-zero value will be returned if the source is canceled. .Pp When a dispatch source is canceled its optional cancellation handler will be submitted to its target queue. The cancellation handler may be specified via .Fn dispatch_source_set_cancel_handler . This cancellation handler is invoked only once, and only as a direct consequence of calling .Fn dispatch_source_cancel . .Pp .Em Important: a cancellation handler is required for file descriptor and mach port based sources in order to safely close the descriptor or destroy the port. Closing the descriptor or port before the cancellation handler has run may result in a race condition: if a new descriptor is allocated with the same value as the recently closed descriptor while the source's event handler is still running, the event handler may read/write data to the wrong descriptor. .Pp .Sh DISPATCH SOURCE TYPES The following section contains a summary of supported dispatch event types and the interpretation of their parameters and returned data. .Pp .Vt DISPATCH_SOURCE_TYPE_DATA_ADD , .Vt DISPATCH_SOURCE_TYPE_DATA_OR .Pp Sources of this type allow applications to manually trigger the source's event handler via a call to .Fn dispatch_source_merge_data . The data will be merged with the source's pending data via an atomic add or logic OR (based on the source's type), and the event handler block will be submitted to the source's target queue. The .Fa data is application defined. These sources have no .Fa handle or .Fa mask and zero should be used. .Pp .Vt DISPATCH_SOURCE_TYPE_MACH_SEND .Pp Sources of this type monitor a mach port with a send right for state changes. The .Fa handle is the mach port (mach_port_t) to monitor and the .Fa mask may be: .Bl -tag -width "XXDISPATCH_PROC_SIGNAL" -compact -offset indent .It \(bu DISPATCH_MACH_SEND_DEAD The port's corresponding receive right has been destroyed .El .Pp The data returned by .Fn dispatch_source_get_data indicates which of the events in the .Fa mask were observed. .Pp .Vt DISPATCH_SOURCE_TYPE_MACH_RECV .Pp Sources of this type monitor a mach port with a receive right for state changes. The .Fa handle is the mach port (mach_port_t) to monitor and the .Fa mask is unused and should be zero. The event handler block will be submitted to the target queue when a message on the mach port is waiting to be received. .Pp .Vt DISPATCH_SOURCE_TYPE_PROC .Pp Sources of this type monitor processes for state changes. The .Fa handle is the process identifier (pid_t) of the process to monitor and the .Fa mask may be one or more of the following: .Bl -tag -width "XXDISPATCH_PROC_SIGNAL" -compact -offset indent .It \(bu DISPATCH_PROC_EXIT The process has exited and is available to .Xr wait 2 . .It \(bu DISPATCH_PROC_FORK The process has created one or more child processes. .It \(bu DISPATCH_PROC_EXEC The process has become another executable image via a call to .Xr execve 2 or .Xr posix_spawn 2 . .It \(bu DISPATCH_PROC_REAP The process status has been collected by its parent process via .Xr wait 2 . .It \(bu DISPATCH_PROC_SIGNAL A signal was delivered to the process. .El .Pp The data returned by .Fn dispatch_source_get_data indicates which of the events in the .Fa mask were observed. .Pp .Vt DISPATCH_SOURCE_TYPE_READ .Pp Sources of this type monitor file descriptors for pending data. The .Fa handle is the file descriptor (int) to monitor and the .Fa mask is unused and should be zero. .Pp The data returned by .Fn dispatch_source_get_data is an estimated number of bytes available to be read from the descriptor. This estimate should be treated as a suggested .Em minimum read buffer size. There are no guarantees that a complete read of this size will be performed. .Pp Users of this source type are strongly encouraged to perform non-blocking I/O and handle any truncated reads or error conditions that may occur. See .Xr fcntl 2 for additional information about setting the .Vt O_NONBLOCK flag on a file descriptor. .Pp .Vt DISPATCH_SOURCE_TYPE_SIGNAL .Pp Sources of this type monitor signals delivered to the current process. The .Fa handle is the signal number to monitor (int) and the .Fa mask is unused and should be zero. .Pp The data returned by .Fn dispatch_source_get_data is the number of signals received since the last invocation of the event handler block. .Pp Unlike signal handlers specified via .Fn sigaction , the execution of the event handler block does not interrupt the current thread of execution; therefore the handler block is not limited to the use of signal safe interfaces defined in .Xr sigaction 2 . Furthermore, multiple observers of a given signal are supported; thus allowing applications and libraries to cooperate safely. However, a dispatch source .Em does not install a signal handler or otherwise alter the behavior of signal delivery. Therefore, applications must ignore or at least catch any signal that terminates a process by default. For example, near the top of .Fn main : .Bd -literal -offset ident signal(SIGTERM, SIG_IGN); .Ed .Pp .Vt DISPATCH_SOURCE_TYPE_TIMER .Pp Sources of this type periodically submit the event handler block to the target queue on an interval specified by .Fn dispatch_source_set_timer . The .Fa handle and .Fa mask arguments are unused and should be zero. .Pp A best effort attempt is made to submit the event handler block to the target queue at the specified time; however, actual invocation may occur at a later time. .Pp The data returned by .Fn dispatch_source_get_data is the number of times the timer has fired since the last invocation of the event handler block. .Pp The function .Fn dispatch_source_set_timer takes as an argument the .Fa start time of the timer (initial fire time) represented as a .Vt dispatch_time_t . The timer dispatch source will use the same clock as the function used to create this value. (See .Xr dispatch_time 3 for more information.) The .Fa interval , in nanoseconds, specifies the period at which the timer should repeat. All timers will repeat indefinitely until .Fn dispatch_source_cancel is called. The .Fa leeway , in nanoseconds, is a hint to the system that it may defer the timer in order to align with other system activity for improved system performance or reduced power consumption. (For example, an application might perform a periodic task every 5 minutes with a leeway of up to 30 seconds.) Note that some latency is to be expected for all timers even when a value of zero is used. .Pp .Em Note : Under the C language, untyped numbers default to the .Vt int type. This can lead to truncation bugs when arithmetic operations with other numbers are expected to generate a .Vt uint64_t sized result. When in doubt, use .Vt ull as a suffix. For example: .Bd -literal -offset indent 3ull * NSEC_PER_SEC .Ed .Pp .Vt DISPATCH_SOURCE_TYPE_VNODE .Pp Sources of this type monitor the virtual filesystem nodes for state changes. The .Fa handle is a file descriptor (int) referencing the node to monitor, and the .Fa mask may be one or more of the following: .Bl -tag -width "XXDISPATCH_VNODE_ATTRIB" -compact -offset indent .It \(bu DISPATCH_VNODE_DELETE The referenced node was removed from the filesystem namespace via .Xr unlink 2 . .It \(bu DISPATCH_VNODE_WRITE A write to the referenced file occurred .It \(bu DISPATCH_VNODE_EXTEND The referenced file was extended .It \(bu DISPATCH_VNODE_ATTRIB The metadata attributes of the referenced node have changed .It \(bu DISPATCH_VNODE_LINK The link count on the referenced node has changed .It \(bu DISPATCH_VNODE_RENAME The referenced node was renamed .It \(bu DISPATCH_VNODE_REVOKE Access to the referenced node was revoked via .Xr revoke 2 or the underlying fileystem was unmounted. .El .Pp The data returned by .Fn dispatch_source_get_data indicates which of the events in the .Fa mask were observed. .Pp .Vt DISPATCH_SOURCE_TYPE_WRITE .Pp Sources of this type monitor file descriptors for available write buffer space. The .Fa handle is the file descriptor (int) to monitor and the .Fa mask is unused and should be zero. .Pp Users of this source type are strongly encouraged to perform non-blocking I/O and handle any truncated reads or error conditions that may occur. See .Xr fcntl 2 for additional information about setting the .Vt O_NONBLOCK flag on a file descriptor. .Pp .Sh SEE ALSO .Xr dispatch 3 , .Xr dispatch_object 3 , .Xr dispatch_queue_create 3 libdispatch-0~svn197/man/dispatch_once.30000644000175100017500000000165311505136244017700 0ustar mheilymheily.\" Copyright (c) 2008-2009 Apple Inc. All rights reserved. .Dd May 1, 2009 .Dt dispatch_once 3 .Os Darwin .Sh NAME .Nm dispatch_once .Nd execute a block only once .Sh SYNOPSIS .Fd #include .Ft void .Fo dispatch_once .Fa "dispatch_once_t *predicate" "void (^block)(void)" .Fc .Ft void .Fo dispatch_once_f .Fa "dispatch_once_t *predicate" "void *context" "void (*function)(void *)" .Fc .Sh DESCRIPTION The .Fn dispatch_once function provides a simple and efficient mechanism to run an initializer exactly once, similar to .Xr pthread_once 3 . Well designed code hides the use of lazy initialization. For example: .Bd -literal FILE *getlogfile(void) { static dispatch_once_t pred; static FILE *logfile; dispatch_once(&pred, ^{ logfile = fopen(MY_LOG_FILE, "a"); }); return logfile; } .Ed .Pp .Sh FUNDAMENTALS The .Fn dispatch_once function is a wrapper around .Fn dispatch_once_f . .Sh SEE ALSO .Xr dispatch 3 libdispatch-0~svn197/man/dispatch_apply.30000644000175100017500000000404311505136244020075 0ustar mheilymheily.\" Copyright (c) 2008-2009 Apple Inc. All rights reserved. .Dd May 1, 2009 .Dt dispatch_apply 3 .Os Darwin .Sh NAME .Nm dispatch_apply .Nd schedule blocks for iterative execution .Sh SYNOPSIS .Fd #include .Ft void .Fo dispatch_apply .Fa "size_t iterations" "dispatch_queue_t queue" "void (^block)(size_t)" .Fc .Ft void .Fo dispatch_apply_f .Fa "size_t iterations" "dispatch_queue_t queue" "void *context" "void (*function)(void *, size_t)" .Fc .Sh DESCRIPTION The .Fn dispatch_apply function provides data-level concurrency through a "for (;;)" loop like primitive: .Bd -literal dispatch_queue_t the_queue = dispatch_get_concurrent_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT); size_t iterations = 10; // 'idx' is zero indexed, just like: // for (idx = 0; idx < iterations; idx++) dispatch_apply(iterations, the_queue, ^(size_t idx) { printf("%zu\\n", idx); }); .Ed .Pp Like a "for (;;)" loop, the .Fn dispatch_apply function is synchronous. If asynchronous behavior is desired, please wrap the call to .Fn dispatch_apply with a call to .Fn dispatch_async against another queue. .Pp Sometimes, when the block passed to .Fn dispatch_apply is simple, the use of striding can tune performance. Calculating the optimal stride is best left to experimentation. Start with a stride of one and work upwards until the desired performance is achieved (perhaps using a power of two search): .Bd -literal #define STRIDE 3 dispatch_apply(count / STRIDE, queue, ^(size_t idx) { size_t j = idx * STRIDE; size_t j_stop = j + STRIDE; do { printf("%zu\\n", j++); } while (j < j_stop); }); size_t i; for (i = count - (count % STRIDE); i < count; i++) { printf("%zu\\n", i); } .Ed .Sh FUNDAMENTALS Conceptually, .Fn dispatch_apply is a convenient wrapper around .Fn dispatch_async and a semaphore to wait for completion. In practice, the dispatch library optimizes this function. .Pp The .Fn dispatch_apply function is a wrapper around .Fn dispatch_apply_f . .Sh SEE ALSO .Xr dispatch 3 , .Xr dispatch_async 3 , .Xr dispatch_queue_create 3 , .Xr dispatch_semaphore_create 3 libdispatch-0~svn197/man/dispatch_object.30000644000175100017500000000627511505136244020227 0ustar mheilymheily.\" Copyright (c) 2008-2009 Apple Inc. All rights reserved. .Dd May 1, 2009 .Dt dispatch_object 3 .Os Darwin .Sh NAME .Nm dispatch_object .Nd General manipulation of dispatch objects .Sh SYNOPSIS .Fd #include .Ft void .Fo dispatch_retain .Fa "dispatch_object_t object" .Fc .Ft void .Fo dispatch_release .Fa "dispatch_object_t object" .Fc .Ft void .Fo dispatch_suspend .Fa "dispatch_object_t object" .Fc .Ft void .Fo dispatch_resume .Fa "dispatch_object_t object" .Fc .Ft "void *" .Fo dispatch_get_context .Fa "dispatch_object_t object" .Fc .Ft void .Fo dispatch_set_context .Fa "dispatch_object_t object" .Fa "void *context" .Fc .Ft void .Fo dispatch_set_finalizer_f .Fa "dispatch_object_t object" .Fa "dispatch_function_t finalizer" .Fc .Sh DESCRIPTION Dispatch objects share functions for coordinating memory management, suspension, cancellation and context pointers. While all dispatch objects are retainable, not all objects support suspension, context pointers or finalizers (currently only queues and sources support these additional interfaces). .Sh MEMORY MANGEMENT Objects returned by creation functions in the dispatch framework may be uniformly retained and released with the functions .Fn dispatch_retain and .Fn dispatch_release respectively. .Pp The dispatch framework does not guarantee that any given client has the last or only reference to a given object. Objects may be retained internally by the system. .Sh SUSPENSION The invocation of blocks on dispatch queues or dispatch sources may be suspended or resumed with the functions .Fn dispatch_suspend and .Fn dispatch_resume respectively. The dispatch framework always checks the suspension status before executing a block, but such changes never affect a block during execution (non-preemptive). Therefore the suspension of an object is asynchronous, unless it is performed from the context of the target queue for the given object. The result of suspending or resuming an object that is not a dispatch queue or a dispatch source is undefined. .Pp .Em Important : suspension applies to all aspects of the dispatch object life cycle, including the finalizer function and cancellation handler. Therefore it is important to balance calls to .Fn dispatch_suspend and .Fn dispatch_resume such that the dispatch object is fully resumed when the last reference is released. The result of releasing all references to a dispatch object while in a suspended state is undefined. .Sh CONTEXT POINTERS Dispatch queues and sources support supplemental context pointers. The value of the context pointer may be retrieved and updated with .Fn dispatch_get_context and .Fn dispatch_set_context respectively. The .Fn dispatch_set_finalizer_f specifies an optional per-object finalizer function that is invoked asynchronously if the context pointer is not NULL when the last reference to the object is released. This gives the application an opportunity to free the context data associated with the object. .Pp The result of getting or setting the context of an object that is not a dispatch queue or a dispatch source is undefined. .Sh SEE ALSO .Xr dispatch 3 , .Xr dispatch_group_create 3 , .Xr dispatch_queue_create 3 , .Xr dispatch_semaphore_create 3 , .Xr dispatch_source_create 3 libdispatch-0~svn197/man/dispatch_semaphore_create.30000644000175100017500000000552311505136244022262 0ustar mheilymheily.\" Copyright (c) 2008-2009 Apple Inc. All rights reserved. .Dd May 1, 2009 .Dt dispatch_semaphore_create 3 .Os Darwin .Sh NAME .Nm dispatch_semaphore_create , .Nm dispatch_semaphore_signal , .Nm dispatch_semaphore_wait .Nd synchronized counting semaphore .Sh SYNOPSIS .Fd #include .Ft dispatch_semaphore_t .Fo dispatch_semaphore_create .Fa "long count" .Fc .Ft long .Fo dispatch_semaphore_signal .Fa "dispatch_semaphore_t semaphore" .Fc .Ft long .Fo dispatch_semaphore_wait .Fa "dispatch_semaphore_t semaphore" "dispatch_time_t timeout" .Fc .Sh DESCRIPTION Dispatch semaphores are used to synchronize threads. The .Fa timeout parameter is creatable with the .Xr dispatch_time 3 or .Xr dispatch_walltime 3 functions. .Sh COMPLETION SYNCHRONIZATION If the .Fa count parameter is equal to zero, then the semaphore is useful for synchronizing completion of work. For example: .Bd -literal -offset indent sema = dispatch_semaphore_create(0); dispatch_async(queue, ^{ foo(); dispatch_semaphore_signal(sema); }); bar(); dispatch_semaphore_wait(sema, DISPATCH_TIME_FOREVER); .Ed .Sh FINITE RESOURCE POOL If the .Fa count parameter is greater than zero, then the semaphore is useful for managing a finite pool of resources. For example, a library that wants to limit Unix descriptor usage: .Bd -literal -offset indent sema = dispatch_semaphore_create(getdtablesize() / 4); .Ed .Pp At each Unix FD allocation: .Bd -literal -offset indent dispatch_semaphore_wait(sema, DISPATCH_TIME_FOREVER); fd = open("/etc/services", O_RDONLY); .Ed .Pp When each FD is closed: .Bd -literal -offset indent close(fd); dispatch_semaphore_signal(sema); .Ed .Sh RETURN VALUES The .Fn dispatch_semaphore_create function returns NULL if no memory is available or if the .Fa count parameter is less than zero. .Pp The .Fn dispatch_semaphore_signal function returns non-zero when a thread is woken. Otherwise, zero is returned. .Pp The .Fn dispatch_semaphore_wait function returns zero upon success and non-zero after the timeout expires. If the timeout is DISPATCH_TIME_FOREVER, then .Fn dispatch_semaphore_wait waits forever and always returns zero. .Sh MEMORY MODEL Dispatch semaphores are retained and released via calls to .Fn dispatch_retain and .Fn dispatch_release . .Sh CAVEATS Dispatch semaphores are strict counting semaphores. In other words, dispatch semaphores do not saturate at any particular value. Saturation can be achieved through atomic compare-and-swap logic. What follows is a saturating binary semaphore: .Bd -literal void saturating_semaphore_signal(dispatch_semaphore_t dsema, int *sent) { if (__sync_bool_compare_and_swap(sent, 0, 1)) { dispatch_semaphore_signal(dsema); } } void saturating_semaphore_wait(dispatch_semaphore_t dsema, int *sent) { *sent = 0; dispatch_semaphore_wait(dsema, DISPATCH_TIME_FOREVER); } .Ed .Sh SEE ALSO .Xr dispatch 3 , .Xr dispatch_object 3 libdispatch-0~svn197/man/dispatch_queue_create.30000644000175100017500000002272311505136244021424 0ustar mheilymheily.\" Copyright (c) 2008-2009 Apple Inc. All rights reserved. .Dd May 1, 2008 .Dt dispatch_queue_create 3 .Os Darwin .Sh NAME .Nm dispatch_queue_create , .Nm dispatch_queue_get_label , .Nm dispatch_get_current_queue , .Nm dispatch_get_global_queue , .Nm dispatch_get_main_queue , .Nm dispatch_main , .Nm dispatch_set_target_queue .Nd where blocks are scheduled for execution .Sh SYNOPSIS .Fd #include .Ft dispatch_queue_t .Fo dispatch_queue_create .Fa "const char *label" "dispatch_queue_attr_t attr" .Fc .Ft "const char *" .Fo dispatch_queue_get_label .Fa "dispatch_queue_t queue" .Fc .Ft dispatch_queue_t .Fo dispatch_get_current_queue .Fa void .Fc .Ft dispatch_queue_t .Fo dispatch_get_global_queue .Fa "long priority" .Fa "unsigned long flags" .Fc .Ft dispatch_queue_t .Fo dispatch_get_main_queue .Fa void .Fc .Ft void .Fo dispatch_main .Fa void .Fc .Ft void .Fo dispatch_set_target_queue .Fa "dispatch_object_t object" .Fa "dispatch_queue_t target" .Fc .Sh DESCRIPTION Queues are the fundamental mechanism for scheduling blocks for execution within the .Xr dispatch 3 framework. .Pp All blocks submitted to dispatch queues are dequeued in FIFO order. By default, queues created with .Fn dispatch_queue_create wait for the previously dequeued block to complete before dequeuing the next block. This FIFO completion behavior is sometimes simply described as a "serial queue." Queues are not bound to any specific thread of execution and blocks submitted to independent queues may execute concurrently. Queues, like all dispatch objects, are reference counted and newly created queues have a reference count of one. .Pp The optional .Fa label argument is used to describe the purpose of the queue and is useful during debugging and performance analysis. By convention, clients should pass a reverse DNS style label. If a label is provided, it is copied. If a label is not provided, then .Fn dispatch_queue_get_label returns an empty C string. For example: .Pp .Bd -literal my_queue = dispatch_queue_create("com.example.subsystem.taskXYZ", NULL); .Ed .Pp The .Fa attr argument is reserved for future use and must be NULL. .Pp Queues may be temporarily suspended and resumed with the functions .Fn dispatch_suspend and .Fn dispatch_resume respectively. Suspension is checked prior to block execution and is .Em not preemptive. .Sh MAIN QUEUE The dispatch framework provides a default serial queue for the application to use. This queue is accessed via .Fn dispatch_get_main_queue . Programs must call .Fn dispatch_main at the end of .Fn main in order to process blocks submitted to the main queue. (See the compatibility section for exceptions.) .Sh GLOBAL CONCURRENT QUEUES Unlike the main queue or queues allocated with .Fn dispatch_queue_create , the global concurrent queues schedule blocks as soon as threads become available (non-FIFO completion order). The global concurrent queues represent three priority bands: .Bl -bullet -compact -offset indent .It DISPATCH_QUEUE_PRIORITY_HIGH .It DISPATCH_QUEUE_PRIORITY_DEFAULT .It DISPATCH_QUEUE_PRIORITY_LOW .El .Pp Blocks submitted to the high priority global queue will be invoked before those submitted to the default or low priority global queues. Blocks submitted to the low priority global queue will only be invoked if no blocks are pending on the default or high priority queues. .Pp .Sh RETURN VALUES The .Fn dispatch_queue_create function returns NULL on failure. .Pp The .Fn dispatch_queue_get_label function always returns a valid C string. An empty C string is returned if the .Fa label was NULL creation time. .Pp The .Fn dispatch_get_main_queue function returns the default main queue. .Pp The .Fn dispatch_get_current_queue function always returns a valid queue. When called from within a block submitted to a dispatch queue, that queue will be returned. If this function is called from the main thread before .Fn dispatch_main is called, then the result of .Fn dispatch_get_main_queue is returned. Otherwise, the result of .Fo dispatch_get_global_queue .Fa DISPATCH_QUEUE_PRIORITY_DEFAULT .Fa 0 .Fc will be returned in all other cases. .Pp The .Fn dispatch_main function never returns. .Sh TARGET QUEUE The .Fn dispatch_set_target_queue function updates the target queue of the given dispatch object. The target queue of an object is responsible for processing the object. Currently only dispatch queues and dispatch sources are supported by this function. The result of using .Fn dispatch_set_target_queue with any other dispatch object type is undefined. .Pp The new target queue is retained by the given object before the previous target queue is released. The new target queue will take effect between block executions, but not in the middle of any existing block executions (non-preemptive). .Pp The priority of a dispatch queue is inherited by its target queue. In order to change the priority of a queue created with .Fn dispatch_queue_create , use the .Fn dispatch_get_global_queue function to obtain a target queue of the desired priority. The .Fa flags argument is reserved for future use and must be zero. Passing any value other than zero may result in a .Vt NULL return value. .Pp The target queue of a dispatch source specifies where its event handler and cancellation handler blocks will be submitted. See .Xr dispatch_source_create 3 for more information about dispatch sources. .Pp The result of passing the main queue or a global concurrent queue to the first argument of .Fn dispatch_set_target_queue is undefined. .Pp Directly or indirectly setting the target queue of a dispatch queue to itself is undefined. .Sh CAVEATS Code cannot make any assumptions about the queue returned by .Fn dispatch_get_current_queue . The returned queue may have arbitrary policies that may surprise code that tries to schedule work with the queue. The list of policies includes, but is not limited to, queue width (i.e. serial vs. concurrent), scheduling priority, security credential or filesystem configuration. Therefore, .Fn dispatch_get_current_queue .Em MUST only be used for identity tests or debugging. .Sh COMPATIBILITY Cocoa applications need not call .Fn dispatch_main . Blocks submitted to the main queue will be executed as part of the "common modes" of the application's main NSRunLoop or CFRunLoop. However, blocks submitted to the main queue in applications using .Fn dispatch_main are not guaranteed to execute on the main thread. .Pp The dispatch framework is a pure C level API. As a result, it does not catch exceptions generated by higher level languages such as Objective-C or C++. Applications .Em MUST catch all exceptions before returning from a block submitted to a dispatch queue; otherwise the internal data structures of the dispatch framework will be left in an inconsistent state. .Pp The dispatch framework manages the relationship between dispatch queues and threads of execution. As a result, applications .Em MUST NOT delete or mutate objects that they did not create. The following interfaces .Em MUST NOT be called by blocks submitted to a dispatch queue: .Bl -bullet -offset indent .It .Fn pthread_cancel .It .Fn pthread_detach .It .Fn pthread_join .It .Fn pthread_kill .It .Fn pthread_exit .El .Pp Applications .Em MAY call the following interfaces from a block submitted to a dispatch queue if and only if they restore the thread to its original state before returning: .Bl -bullet -offset indent .It .Fn pthread_setcancelstate .It .Fn pthread_setcanceltype .It .Fn pthread_setschedparam .It .Fn pthread_sigmask .It .Fn pthread_setugid_np .It .Fn pthread_chdir .It .Fn pthread_fchdir .El .Pp Applications .Em MUST NOT rely on the following interfaces returning predictable results between invocations of blocks submitted to a dispatch queue: .Bl -bullet -offset indent .It .Fn pthread_self .It .Fn pthread_getschedparam .It .Fn pthread_get_stacksize_np .It .Fn pthread_get_stackaddr_np .It .Fn pthread_mach_thread_np .It .Fn pthread_from_mach_thread_np .El .Pp While the result of .Fn pthread_self may change between invocations of blocks, the value will not change during the execution of any single block. Because the underlying thread may change beteween block invocations on a single queue, using per-thread data as an out-of-band return value is error prone. In other words, the result of calling .Fn pthread_setspecific and .Fn pthread_getspecific is well defined within a signle block, but not across multiple blocks. Also, one cannot make any assumptions about when the destructor passed to .Fn pthread_key_create is called. The destructor may be called between the invocation of blocks on the same queue, or during the idle state of a process. .Pp The following example code correctly handles per-thread return values: .Bd -literal -offset indent __block int r; __block int e; dispatch_sync(queue, ^{ r = kill(1, 0); // Copy the per-thread return value to the callee thread e = errno; }); printf("kill(1,0) returned %d and errno %d\n", r, e); .Ed .Pp Note that in the above example .Va errno is a per-thread variable and must be copied out explicitly as the block may be invoked on different thread of execution than the caller. Another example of per-thread data that would need to be copied is the use of .Fn getpwnam instead of .Fn getpwnam_r . .Pp As an optimization, .Fn dispatch_sync invokes the block on the current thread when possible. In this case, the thread specific data such as .Va errno may persist from the block until back to the caller. Great care should be taken not to accidentally rely on this side-effect. .Pp .Sh SEE ALSO .Xr dispatch 3 , .Xr dispatch_async 3 , .Xr dispatch_object 3 , .Xr dispatch_source_create 3 libdispatch-0~svn197/man/Makefile.am0000644000175100017500000001063611505136244017046 0ustar mheilymheily# # # man3_MANS= \ dispatch.3 \ dispatch_after.3 \ dispatch_api.3 \ dispatch_apply.3 \ dispatch_async.3 \ dispatch_benchmark.3 \ dispatch_group_create.3 \ dispatch_object.3 \ dispatch_once.3 \ dispatch_queue_create.3 \ dispatch_semaphore_create.3 \ dispatch_source_create.3 \ dispatch_time.3 # # Install man page symlinks. Is there a better way to do this in automake? # install-data-hook: cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_after.3 dispatch_after_f.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_apply.3 dispatch_apply_f.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_async.3 dispatch_sync.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_async.3 dispatch_async_f.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_async.3 dispatch_sync_f.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_benchmark.3 dispatch_benchmark_f.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_group_create.3 dispatch_group_enter.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_group_create.3 dispatch_group_leave.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_group_create.3 dispatch_group_wait.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_group_create.3 dispatch_group_notify.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_group_create.3 dispatch_group_notify_f.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_group_create.3 dispatch_group_async.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_group_create.3 dispatch_group_async_f.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_object.3 dispatch_retain.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_object.3 dispatch_release.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_object.3 dispatch_suspend.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_object.3 dispatch_resume.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_object.3 dispatch_get_context.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_object.3 dispatch_set_context.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_object.3 dispatch_set_finalizer_f.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_once.3 dispatch_once_f.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_queue_create.3 dispatch_queue_get_label.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_queue_create.3 dispatch_get_current_queue.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_queue_create.3 dispatch_get_global_queue.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_queue_create.3 dispatch_get_main_queue.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_queue_create.3 dispatch_main.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_queue_create.3 dispatch_set_target_queue.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_semaphore_create.3 \ dispatch_semaphore_signal.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_semaphore_create.3 \ dispatch_semaphore_wait.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_source_create.3 \ dispatch_source_set_event_handler.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_source_create.3 \ dispatch_source_set_event_handler_f.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_source_create.3 \ dispatch_source_set_cancel_handler.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_source_create.3 \ dispatch_source_set_cancel_handler_f.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_source_create.3 \ dispatch_source_cancel.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_source_create.3 \ dispatch_source_testcancel.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_source_create.3 \ dispatch_source_get_handle.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_source_create.3 dispatch_source_get_mask.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_source_create.3 \ dispatch_source_get_data.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_source_create.3 \ dispatch_source_merge_data.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_source_create.3 \ dispatch_source_set_timer.3 cd $(DESTDIR)$(mandir)/man3 && \ $(LN_S) -f dispatch_time.3 dispatch_walltime.3 libdispatch-0~svn197/man/dispatch_api.30000644000175100017500000000327711505136244017531 0ustar mheilymheily.\" Copyright (c) 2008-2009 Apple Inc. All rights reserved. .Dd May 1, 2009 .Dt dispatch_api 3 .Os Darwin .Sh NAME .Nm dispatch_api .Nd Designing API using dispatch .Sh DESCRIPTION The following is a brief summary of some of the common design patterns to consider when designing and implementing API in terms of dispatch queues and blocks. .Pp A general recommendation is to allow both a callback block and target dispatch queue to be specified. This gives the application the greatest flexibility in handling asynchronous events. .Pp It's also recommended that interfaces take only a single block as the last parameter. This is both for consistency across projects, as well as the visual aesthetics of multiline blocks that are declared inline. The dispatch queue to which the block will be submitted should immediately precede the block argument (second-to-last argument). For example: .Pp .Bd -literal -offset indent read_async(file, callback_queue, ^{ printf("received callback.\\n"); }); .Ed .Pp When function pointer alternatives to interfaces that take blocks are provided, the argument order of the function signature should be identical to the block variant; with the exception that the block argument is replaced with a context pointer, and a new last parameter is added, which is the function to call. .Pp The function based callback should pass the context pointer as the first argument, and the subsequent arguments should be identical to the block based variant (albeit offset by one in order). .Pp It is also important to use consistent naming. The dispatch API, for example, uses the suffix "_f" for function based variants. .Pp .Sh SEE ALSO .Xr dispatch 3 , .Xr dispatch_async 3 , .Xr dispatch_queue_create 3 libdispatch-0~svn197/man/dispatch_benchmark.30000644000175100017500000000334111505136244020702 0ustar mheilymheily.\" Copyright (c) 2008-2009 Apple Inc. All rights reserved. .Dd May 1, 2009 .Dt dispatch_benchmark 3 .Os Darwin .Sh NAME .Nm dispatch_benchmark .Nd Measures block execution time .Sh SYNOPSIS .Fd #include .Ft uint64_t .Fo dispatch_benchmark .Fa "size_t count" "void (^block)(void)" .Fc .Ft uint64_t .Fo dispatch_benchmark_f .Fa "size_t count" "void *context" "void (*function)(void *)" .Fc .Sh DESCRIPTION The .Fn dispatch_benchmark function executes the given .Fa block multiple times according to the .Fa count variable and then returns the average number of nanoseconds per execution. This function is for debugging and performance analysis work. For the best results, pass a high count value to .Fn dispatch_benchmark . When benchmarking concurrent code, please compare the serial version of the code against the concurrent version, and compare the concurrent version on different classes of hardware. Please look for inflection points with various data sets and keep the following facts in mind: .Pp .Bl -bullet -offset indent -compact .It Code bound by computational bandwidth may be inferred by proportional changes in performance as concurrency is increased. .It Code bound by memory bandwidth may be inferred by negligible changes in performance as concurrency is increased. .It Code bound by critical sections may be inferred by retrograde changes in performance as concurrency is increased. .Bl -bullet -offset indent -compact .It Intentional: locks, mutexes, and condition variables. .It Accidental: unrelated and frequently modified data on the same cache-line. .El .El .Sh RETURN VALUE The .Fn dispatch_benchmark function returns the average number of nanoseconds the given block takes to execute. .Sh SEE ALSO .Xr dispatch 3 libdispatch-0~svn197/man/dispatch_async.30000644000175100017500000001652111505136244020071 0ustar mheilymheily.\" Copyright (c) 2008-2009 Apple Inc. All rights reserved. .Dd May 1, 2009 .Dt dispatch_async 3 .Os Darwin .Sh NAME .Nm dispatch_async , .Nm dispatch_sync .Nd schedule blocks for execution .Sh SYNOPSIS .Fd #include .Ft void .Fo dispatch_async .Fa "dispatch_queue_t queue" "void (^block)(void)" .Fc .Ft void .Fo dispatch_sync .Fa "dispatch_queue_t queue" "void (^block)(void)" .Fc .Ft void .Fo dispatch_async_f .Fa "dispatch_queue_t queue" "void *context" "void (*function)(void *)" .Fc .Ft void .Fo dispatch_sync_f .Fa "dispatch_queue_t queue" "void *context" "void (*function)(void *)" .Fc .Sh DESCRIPTION The .Fn dispatch_async and .Fn dispatch_sync functions schedule blocks for concurrent execution within the .Xr dispatch 3 framework. Blocks are submitted to a queue which dictates the policy for their execution. See .Xr dispatch_queue_create 3 for more information about creating dispatch queues. .Pp These functions support efficient temporal synchronization, background concurrency and data-level concurrency. These same functions can also be used for efficient notification of the completion of asynchronous blocks (a.k.a. callbacks). .Sh TEMPORAL SYNCHRONIZATION Synchronization is often required when multiple threads of execution access shared data concurrently. The simplest form of synchronization is mutual-exclusion (a lock), whereby different subsystems execute concurrently until a shared critical section is entered. In the .Xr pthread 3 family of procedures, temporal synchronization is accomplished like so: .Bd -literal -offset indent int r = pthread_mutex_lock(&my_lock); assert(r == 0); // critical section r = pthread_mutex_unlock(&my_lock); assert(r == 0); .Ed .Pp The .Fn dispatch_sync function may be used with a serial queue to accomplish the same style of synchronization. For example: .Bd -literal -offset indent dispatch_sync(my_queue, ^{ // critical section }); .Ed .Pp In addition to providing a more concise expression of synchronization, this approach is less error prone as the critical section cannot be accidentally left without restoring the queue to a reentrant state. .Pp The .Fn dispatch_async function may be used to implement deferred critical sections when the result of the block is not needed locally. Deferred critical sections have the same synchronization properties as the above code, but are non-blocking and therefore more efficient to perform. For example: .Bd -literal dispatch_async(my_queue, ^{ // critical section }); .Ed .Sh BACKGROUND CONCURRENCY .The .Fn dispatch_async function may be used to execute trivial backgound tasks on a global concurrent queue. For example: .Bd -literal dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT,0), ^{ // background operation }); .Ed .Pp This approach is an efficient replacement for .Xr pthread_create 3 . .Sh COMPLETION CALLBACKS Completion callbacks can be accomplished via nested calls to the .Fn dispatch_async function. It is important to remember to retain the destination queue before the first call to .Fn dispatch_async , and to release that queue at the end of the completion callback to ensure the destination queue is not deallocated while the completion callback is pending. For example: .Bd -literal void async_read(object_t obj, void *where, size_t bytes, dispatch_queue_t destination_queue, void (^reply_block)(ssize_t r, int err)) { // There are better ways of doing async I/O. // This is just an example of nested blocks. dispatch_retain(destination_queue); dispatch_async(obj->queue, ^{ ssize_t r = read(obj->fd, where, bytes); int err = errno; dispatch_async(destination_queue, ^{ reply_block(r, err); }); dispatch_release(destination_queue); }); } .Ed .Sh RECURSIVE LOCKS While .Fn dispatch_sync can replace a lock, it cannot replace a recursive lock. Unlike locks, queues support both asynchronous and synchronous operations, and those operations are ordered by definition. A recursive call to .Fn dispatch_sync causes a simple deadlock as the currently executing block waits for the next block to complete, but the next block will not start until the currently running block completes. .Pp As the dispatch framework was designed, we studied recursive locks. We found that the vast majority of recursive locks are deployed retroactively when ill-defined lock hierarchies are discovered. As a consequence, the adoption of recursive locks often mutates obvious bugs into obscure ones. This study also revealed an insight: if reentrancy is unavoidable, then reader/writer locks are preferable to recursive locks. Disciplined use of reader/writer locks enable reentrancy only when reentrancy is safe (the "read" side of the lock). .Pp Nevertheless, if it is absolutely necessary, what follows is an imperfect way of implementing recursive locks using the dispatch framework: .Bd -literal void sloppy_lock(object_t object, void (^block)(void)) { if (object->owner == pthread_self()) { return block(); } dispatch_sync(object->queue, ^{ object->owner = pthread_self(); block(); object->owner = NULL; }); } .Ed .Pp The above example does not solve the case where queue A runs on thread X which calls .Fn dispatch_sync against queue B which runs on thread Y which recursively calls .Fn dispatch_sync against queue A, which deadlocks both examples. This is bug-for-bug compatible with nontrivial pthread usage. In fact, nontrivial reentrancy is impossible to support in recursive locks once the ultimate level of reentrancy is deployed (IPC or RPC). .Sh IMPLIED REFERENCES Synchronous functions within the dispatch framework hold an implied reference on the target queue. In other words, the synchronous function borrows the reference of the calling function (this is valid because the calling function is blocked waiting for the result of the synchronous function, and therefore cannot modify the reference count of the target queue until after the synchronous function has returned). For example: .Bd -literal queue = dispatch_queue_create("com.example.queue", NULL); assert(queue); dispatch_sync(queue, ^{ do_something(); //dispatch_release(queue); // NOT SAFE -- dispatch_sync() is still using 'queue' }); dispatch_release(queue); // SAFELY balanced outside of the block provided to dispatch_sync() .Ed .Pp This is in contrast to asynchronous functions which must retain both the block and target queue for the duration of the asynchronous operation (as the calling function may immediately release its interest in these objects). .Sh FUNDAMENTALS Conceptually, .Fn dispatch_sync is a convenient wrapper around .Fn dispatch_async with the addition of a semaphore to wait for completion of the block, and a wrapper around the block to signal its completion. See .Xr dispatch_semaphore_create 3 for more information about dispatch semaphores. The actual implementation of the .Fn dispatch_sync function may be optimized and differ from the above description. .Pp The .Fn dispatch_async function is a wrapper around .Fn dispatch_async_f . The application-defined .Fa context parameter is passed to the .Fa function when it is invoked on the target .Fa queue . .Pp The .Fn dispatch_sync function is a wrapper around .Fn dispatch_sync_f . The application-defined .Fa context parameter is passed to the .Fa function when it is invoked on the target .Fa queue . .Pp .Sh SEE ALSO .Xr dispatch 3 , .Xr dispatch_apply 3 , .Xr dispatch_once 3 , .Xr dispatch_queue_create 3 , .Xr dispatch_semaphore_create 3 libdispatch-0~svn197/man/dispatch_time.30000644000175100017500000000535611505136244017716 0ustar mheilymheily.\" Copyright (c) 2008-2009 Apple Inc. All rights reserved. .Dd May 1, 2009 .Dt dispatch_time 3 .Os Darwin .Sh NAME .Nm dispatch_time , .Nm dispatch_walltime .Nd Calculate temporal milestones .Sh SYNOPSIS .Fd #include .Vt static const dispatch_time_t DISPATCH_TIME_NOW = 0 ; .Vt static const dispatch_time_t DISPATCH_TIME_FOREVER = ~0ull ; .Ft dispatch_time_t .Fo dispatch_time .Fa "dispatch_time_t base" "int64_t offset" .Fc .Ft dispatch_time_t .Fo dispatch_walltime .Fa "struct timespec *base" "int64_t offset" .Fc .Sh DESCRIPTION The .Fn dispatch_time and .Fn dispatch_walltime functions provide a simple mechanism for expressing temporal milestones for use with dispatch functions that need timeouts or operate on a schedule. .Pp The .Fa dispatch_time_t type is a semi-opaque integer, with only the special values .Vt DISPATCH_TIME_NOW and .Vt DISPATCH_TIME_FOREVER being externally defined. All other values are represented using an internal format that is not safe for integer arithmetic or comparison. The internal format is subject to change. .Pp The .Fn dispatch_time function returns a milestone relative to an existing milestone after adding .Fa offset nanoseconds. If the .Fa base parameter maps internally to a wall clock, then the returned value is relative to the wall clock. Otherwise, if .Fa base is .Vt DISPATCH_TIME_NOW , then the the current time of the default host clock is used. .Pp The .Fn dispatch_walltime function is useful for creating a milestone relative to a fixed point in time using the wall clock, as specified by the optional .Fa base parameter. If .Fa base is NULL, then the current time of the wall clock is used. .Sh EDGE CONDITIONS The .Fn dispatch_time and .Fn dispatch_walltime functions detect overflow and underflow conditions when applying the .Fa offset parameter. .Pp Overflow causes .Vt DISPATCH_TIME_FOREVER to be returned. When .Fa base is .Vt DISPATCH_TIME_FOREVER , then the .Fa offset parameter is ignored. .Pp Underflow causes the smallest representable value to be returned for a given clock. .Sh EXAMPLES Create a milestone two seconds in the future: .Bd -literal -offset indent milestone = dispatch_time(DISPATCH_TIME_NOW, 2LL * NSEC_PER_SEC); .Ed .Pp Create a milestone for use as an infinite timeout: .Bd -literal -offset indent milestone = DISPATCH_TIME_FOREVER; .Ed .Pp Create a milestone on Tuesday, January 19, 2038: .Bd -literal -offset indent struct timespec ts; ts.tv_sec = 0x7FFFFFFF; ts.tv_nsec = 0; milestone = dispatch_walltime(&ts, 0); .Ed .Sh RETURN VALUE These functions return an abstract value for use with .Fn dispatch_after , .Fn dispatch_group_wait , or .Fn dispatch_semaphore_wait . .Sh SEE ALSO .Xr dispatch 3 , .Xr dispatch_after 3 , .Xr dispatch_group_create 3 , .Xr dispatch_semaphore_create 3 libdispatch-0~svn197/testing/0000755000175100017500000000000011505136533015707 5ustar mheilymheilylibdispatch-0~svn197/testing/shims/0000755000175100017500000000000011505136533017032 5ustar mheilymheilylibdispatch-0~svn197/testing/shims/arc4random.h0000644000175100017500000000152111505136244021233 0ustar mheilymheily/* * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #ifndef __DISPATCH_TESTS_SHIMS_ARC4RANDOM__ #define __DISPATCH_TESTS_SHIMS_ARC4RANDOM__ #ifndef HAVE_ARC4RANDOM unsigned int arc4random(); #endif #endif /* __DISPATCH_TESTS_SHIMS_ARC4RANDOM__ */ libdispatch-0~svn197/testing/shims/fgetln.c0000644000175100017500000000531011505136244020453 0ustar mheilymheily/* $NetBSD: fgetln.c,v 1.3 2006/09/25 07:18:17 lukem Exp $ */ /*- * libdispatch fgetln shim * Based on http://www.opensource.apple.com/source/lukemftpd/lukemftpd-32/tnftpd/libnetbsd/fgetln.c * * Copyright (c) 1998 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Christos Zoulas. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include "config/config.h" #ifndef HAVE_FGETLN #include #include #include #include #include char * fgetln(fp, len) FILE *fp; size_t *len; { static char *buf = NULL; static size_t bufsiz = 0; char *ptr; if (buf == NULL) { bufsiz = BUFSIZ; if ((buf = malloc(bufsiz)) == NULL) return NULL; } if (fgets(buf, bufsiz, fp) == NULL) return NULL; *len = 0; while ((ptr = strchr(&buf[*len], '\n')) == NULL) { size_t nbufsiz = bufsiz + BUFSIZ; char *nbuf = realloc(buf, nbufsiz); if (nbuf == NULL) { int oerrno = errno; free(buf); errno = oerrno; buf = NULL; return NULL; } else buf = nbuf; *len = bufsiz; if (fgets(&buf[bufsiz], BUFSIZ, fp) == NULL) return buf; bufsiz = nbufsiz; } *len = (ptr - buf) + 1; return buf; } #endif /* #ifndef HAVE_FGETLN */ libdispatch-0~svn197/testing/shims/fgetln.h0000644000175100017500000000154111505136244020462 0ustar mheilymheily/* * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #ifndef __DISPATCH_TESTS_SHIMS_FGETLN__ #define __DISPATCH_TESTS_SHIMS_FGETLN__ #ifndef HAVE_FGETLN #include char *fgetln(FILE *stream, size_t *len); #endif #endif /* __DISPATCH_TESTS_SHIMS_FGETLN__ */ libdispatch-0~svn197/testing/shims/asprintf.c0000644000175100017500000000444711505136244021034 0ustar mheilymheily/* * libdispatch asprintf portability shim, based on * http://www.opensource.apple.com/source/OpenSSH/OpenSSH-142/openssh/openbsd-compat/bsd-asprintf.c * * * Copyright (c) 2004 Darren Tucker. * * Based originally on asprintf.c from OpenBSD: * Copyright (c) 1997 Todd C. Miller * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "config/config.h" #ifndef HAVE_VASPRINTF #include #include #include #include #include #define INIT_SZ 128 int vasprintf(char **str, const char *fmt, va_list ap) { int ret = -1; va_list ap2; char *string, *newstr; size_t len; va_copy(ap2, ap); if ((string = malloc(INIT_SZ)) == NULL) goto fail; ret = vsnprintf(string, INIT_SZ, fmt, ap2); if (ret >= 0 && ret < INIT_SZ) { /* succeeded with initial alloc */ *str = string; } else if (ret < 0) { /* Bad length */ free(string); goto fail; } else { /* bigger than initial, realloc allowing for nul */ len = (size_t)ret + 1; if ((newstr = realloc(string, len)) == NULL) { free(string); goto fail; } else { va_end(ap2); va_copy(ap2, ap); ret = vsnprintf(newstr, len, fmt, ap2); if (ret >= 0 && (size_t)ret < len) { *str = newstr; } else { /* failed with realloc'ed string, give up */ free(newstr); goto fail; } } } va_end(ap2); return (ret); fail: *str = NULL; errno = ENOMEM; va_end(ap2); return (-1); } #endif #ifndef HAVE_ASPRINTF int asprintf(char **str, const char *fmt, ...) { va_list ap; int ret; *str = NULL; va_start(ap, fmt); ret = vasprintf(str, fmt, ap); va_end(ap); return ret; } #endif libdispatch-0~svn197/testing/shims/arc4random.c0000644000175100017500000001106311505136244021230 0ustar mheilymheily/* * arc4random() for libdispatch * * Based on http://www.opensource.apple.com/source/Libc/Libc-594.9.1/gen/FreeBSD/arc4random.c * * * Arc4 random number generator for OpenBSD. * Copyright 1996 David Mazieres . * * Modification and redistribution in source and binary forms is * permitted provided that due credit is given to the author and the * OpenBSD project (for instance by leaving this copyright notice * intact). */ /* * This code is derived from section 17.1 of Applied Cryptography, * second edition, which describes a stream cipher allegedly * compatible with RSA Labs "RC4" cipher (the actual description of * which is a trade secret). The same algorithm is used as a stream * cipher called "arcfour" in Tatu Ylonen's ssh package. * * Here the stream cipher has been modified always to include the time * when initializing the state. That makes it impossible to * regenerate the same random sequence twice, so this can't be used * for encryption, but will generate good random numbers. * * RC4 is a registered trademark of RSA Laboratories. */ #include "config/config.h" #ifndef HAVE_ARC4RANDOM #include #include #include #include #include #include #include struct arc4_stream { uint8_t i; uint8_t j; uint8_t s[256]; }; static pthread_mutex_t arc4random_mtx = PTHREAD_MUTEX_INITIALIZER; #define __isthreaded 1 #define RANDOMDEV "/dev/urandom" #define THREAD_LOCK() \ do { \ if (__isthreaded) \ pthread_mutex_lock(&arc4random_mtx); \ } while (0) #define THREAD_UNLOCK() \ do { \ if (__isthreaded) \ pthread_mutex_unlock(&arc4random_mtx); \ } while (0) static struct arc4_stream rs; static int rs_initialized; static int rs_stired; static inline uint8_t arc4_getbyte(struct arc4_stream *); static void arc4_stir(struct arc4_stream *); static inline void arc4_init(as) struct arc4_stream *as; { int n; for (n = 0; n < 256; n++) as->s[n] = n; as->i = 0; as->j = 0; } static inline void arc4_addrandom(as, dat, datlen) struct arc4_stream *as; u_char *dat; int datlen; { int n; uint8_t si; as->i--; for (n = 0; n < 256; n++) { as->i = (as->i + 1); si = as->s[as->i]; as->j = (as->j + si + dat[n % datlen]); as->s[as->i] = as->s[as->j]; as->s[as->j] = si; } } static void arc4_stir(as) struct arc4_stream *as; { int fd, n; struct { struct timeval tv; pid_t pid; uint8_t rnd[128 - sizeof(struct timeval) - sizeof(pid_t)]; } rdat; gettimeofday(&rdat.tv, NULL); rdat.pid = getpid(); fd = open(RANDOMDEV, O_RDONLY, 0); if (fd >= 0) { (void) read(fd, rdat.rnd, sizeof(rdat.rnd)); close(fd); } /* fd < 0? Ah, what the heck. We'll just take whatever was on the * stack... */ arc4_addrandom(as, (void *) &rdat, sizeof(rdat)); /* * Throw away the first N bytes of output, as suggested in the * paper "Weaknesses in the Key Scheduling Algorithm of RC4" * by Fluher, Mantin, and Shamir. N=1024 is based on * suggestions in the paper "(Not So) Random Shuffles of RC4" * by Ilya Mironov. */ for (n = 0; n < 1024; n++) arc4_getbyte(as); } static inline uint8_t arc4_getbyte(as) struct arc4_stream *as; { uint8_t si, sj; as->i = (as->i + 1); si = as->s[as->i]; as->j = (as->j + si); sj = as->s[as->j]; as->s[as->i] = sj; as->s[as->j] = si; return (as->s[(si + sj) & 0xff]); } static inline uint32_t arc4_getword(as) struct arc4_stream *as; { uint32_t val; val = arc4_getbyte(as) << 24; val |= arc4_getbyte(as) << 16; val |= arc4_getbyte(as) << 8; val |= arc4_getbyte(as); return (val); } static void arc4_check_init(void) { if (!rs_initialized) { arc4_init(&rs); rs_initialized = 1; } } static void arc4_check_stir(void) { if (!rs_stired) { arc4_stir(&rs); rs_stired = 1; } } void arc4random_stir() { THREAD_LOCK(); arc4_check_init(); arc4_stir(&rs); THREAD_UNLOCK(); } void arc4random_addrandom(dat, datlen) u_char *dat; int datlen; { THREAD_LOCK(); arc4_check_init(); arc4_check_stir(); arc4_addrandom(&rs, dat, datlen); THREAD_UNLOCK(); } uint32_t arc4random() { uint32_t rnd; THREAD_LOCK(); arc4_check_init(); arc4_check_stir(); rnd = arc4_getword(&rs); THREAD_UNLOCK(); return (rnd); } #if 0 /*-------- Test code for i386 --------*/ #include #include int main(int argc, char **argv) { const int iter = 1000000; int i; pctrval v; v = rdtsc(); for (i = 0; i < iter; i++) arc4random(); v = rdtsc() - v; v /= iter; printf("%qd cycles\n", v); } #endif #endif /* HAVE_ARC4RANDOM */ libdispatch-0~svn197/testing/shims/asprintf.h0000644000175100017500000000153411505136244021033 0ustar mheilymheily/* * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #ifndef __DISPATCH_TESTS_SHIMS_ASPRINTF__ #define __DISPATCH_TESTS_SHIMS_ASPRINTF__ #ifndef HAVE_ASPRINTF int asprintf(char **str, const char *fmt, ...); #endif #endif /* __DISPATCH_TESTS_SHIMS_ASPRINTF__ */ libdispatch-0~svn197/testing/Makefile.in0000644000175100017500000012206211505136271017756 0ustar mheilymheily# Makefile.in generated by automake 1.11.1 from Makefile.am. # @configure_input@ # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, # 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, # Inc. # This Makefile.in is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY, to the extent permitted by law; without # even the implied warranty of MERCHANTABILITY or FITNESS FOR A # PARTICULAR PURPOSE. @SET_MAKE@ # # # VPATH = @srcdir@ pkgdatadir = $(datadir)/@PACKAGE@ pkgincludedir = $(includedir)/@PACKAGE@ pkglibdir = $(libdir)/@PACKAGE@ pkglibexecdir = $(libexecdir)/@PACKAGE@ am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd install_sh_DATA = $(install_sh) -c -m 644 install_sh_PROGRAM = $(install_sh) -c install_sh_SCRIPT = $(install_sh) -c INSTALL_HEADER = $(INSTALL_DATA) transform = $(program_transform_name) NORMAL_INSTALL = : PRE_INSTALL = : POST_INSTALL = : NORMAL_UNINSTALL = : PRE_UNINSTALL = : POST_UNINSTALL = : build_triplet = @build@ host_triplet = @host@ TESTS = dispatch_api$(EXEEXT) dispatch_c99$(EXEEXT) \ dispatch_cascade$(EXEEXT) dispatch_debug$(EXEEXT) \ dispatch_priority$(EXEEXT) dispatch_priority2$(EXEEXT) \ dispatch_starfish$(EXEEXT) queue_finalizer$(EXEEXT) \ $(am__EXEEXT_1) $(am__EXEEXT_2) $(am__EXEEXT_3) \ $(am__EXEEXT_4) $(am__EXEEXT_5) noinst_PROGRAMS = $(am__EXEEXT_6) $(am__EXEEXT_7) subdir = testing DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 am__aclocal_m4_deps = $(top_srcdir)/m4/atomic.m4 \ $(top_srcdir)/m4/blocks.m4 $(top_srcdir)/m4/libtool.m4 \ $(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \ $(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \ $(top_srcdir)/m4/pkg.m4 $(top_srcdir)/m4/private-extern.m4 \ $(top_srcdir)/configure.ac am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \ $(ACLOCAL_M4) mkinstalldirs = $(install_sh) -d CONFIG_HEADER = $(top_builddir)/config/config.h CONFIG_CLEAN_FILES = CONFIG_CLEAN_VPATH_FILES = LTLIBRARIES = $(noinst_LTLIBRARIES) libtest_la_LIBADD = am_libtest_la_OBJECTS = dispatch_test.lo asprintf.lo arc4random.lo \ fgetln.lo libtest_la_OBJECTS = $(am_libtest_la_OBJECTS) @HAVE_CBLOCKS_TRUE@am__EXEEXT_1 = dispatch_after$(EXEEXT) \ @HAVE_CBLOCKS_TRUE@ dispatch_apply$(EXEEXT) \ @HAVE_CBLOCKS_TRUE@ dispatch_drift$(EXEEXT) \ @HAVE_CBLOCKS_TRUE@ dispatch_group$(EXEEXT) \ @HAVE_CBLOCKS_TRUE@ dispatch_pingpong$(EXEEXT) \ @HAVE_CBLOCKS_TRUE@ dispatch_read$(EXEEXT) \ @HAVE_CBLOCKS_TRUE@ dispatch_readsync$(EXEEXT) \ @HAVE_CBLOCKS_TRUE@ dispatch_sema$(EXEEXT) \ @HAVE_CBLOCKS_TRUE@ dispatch_timer_bit31$(EXEEXT) \ @HAVE_CBLOCKS_TRUE@ dispatch_timer_bit63$(EXEEXT) @HAVE_CXXBLOCKS_TRUE@am__EXEEXT_2 = dispatch_plusplus$(EXEEXT) @HAVE_CORESERVICES_TRUE@am__EXEEXT_3 = dispatch_cffd$(EXEEXT) @HAVE_POSIX_SPAWN_START_SUSPENDED_TRUE@am__EXEEXT_4 = \ @HAVE_POSIX_SPAWN_START_SUSPENDED_TRUE@ dispatch_proc$(EXEEXT) @USE_LEGACY_API_TRUE@am__EXEEXT_5 = dispatch_timer_set_time$(EXEEXT) am__EXEEXT_6 = dispatch_api$(EXEEXT) dispatch_c99$(EXEEXT) \ dispatch_cascade$(EXEEXT) dispatch_debug$(EXEEXT) \ dispatch_priority$(EXEEXT) dispatch_priority2$(EXEEXT) \ dispatch_starfish$(EXEEXT) queue_finalizer$(EXEEXT) \ $(am__EXEEXT_1) $(am__EXEEXT_2) $(am__EXEEXT_3) \ $(am__EXEEXT_4) $(am__EXEEXT_5) am__EXEEXT_7 = summarize$(EXEEXT) PROGRAMS = $(noinst_PROGRAMS) dispatch_after_SOURCES = dispatch_after.c dispatch_after_OBJECTS = dispatch_after.$(OBJEXT) dispatch_after_LDADD = $(LDADD) dispatch_after_DEPENDENCIES = libtest.la ../src/libdispatch.la dispatch_api_SOURCES = dispatch_api.c dispatch_api_OBJECTS = dispatch_api.$(OBJEXT) dispatch_api_LDADD = $(LDADD) dispatch_api_DEPENDENCIES = libtest.la ../src/libdispatch.la dispatch_apply_SOURCES = dispatch_apply.c dispatch_apply_OBJECTS = dispatch_apply.$(OBJEXT) dispatch_apply_LDADD = $(LDADD) dispatch_apply_DEPENDENCIES = libtest.la ../src/libdispatch.la dispatch_c99_SOURCES = dispatch_c99.c dispatch_c99_OBJECTS = dispatch_c99-dispatch_c99.$(OBJEXT) dispatch_c99_LDADD = $(LDADD) dispatch_c99_DEPENDENCIES = libtest.la ../src/libdispatch.la dispatch_c99_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) \ $(LIBTOOLFLAGS) --mode=link $(CCLD) $(dispatch_c99_CFLAGS) \ $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@ dispatch_cascade_SOURCES = dispatch_cascade.c dispatch_cascade_OBJECTS = dispatch_cascade.$(OBJEXT) dispatch_cascade_LDADD = $(LDADD) dispatch_cascade_DEPENDENCIES = libtest.la ../src/libdispatch.la dispatch_cffd_SOURCES = dispatch_cffd.c dispatch_cffd_OBJECTS = dispatch_cffd.$(OBJEXT) dispatch_cffd_LDADD = $(LDADD) dispatch_cffd_DEPENDENCIES = libtest.la ../src/libdispatch.la dispatch_cffd_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) \ $(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \ $(dispatch_cffd_LDFLAGS) $(LDFLAGS) -o $@ dispatch_debug_SOURCES = dispatch_debug.c dispatch_debug_OBJECTS = dispatch_debug.$(OBJEXT) dispatch_debug_LDADD = $(LDADD) dispatch_debug_DEPENDENCIES = libtest.la ../src/libdispatch.la dispatch_drift_SOURCES = dispatch_drift.c dispatch_drift_OBJECTS = dispatch_drift.$(OBJEXT) dispatch_drift_LDADD = $(LDADD) dispatch_drift_DEPENDENCIES = libtest.la ../src/libdispatch.la dispatch_group_SOURCES = dispatch_group.c dispatch_group_OBJECTS = dispatch_group.$(OBJEXT) dispatch_group_LDADD = $(LDADD) dispatch_group_DEPENDENCIES = libtest.la ../src/libdispatch.la dispatch_pingpong_SOURCES = dispatch_pingpong.c dispatch_pingpong_OBJECTS = dispatch_pingpong.$(OBJEXT) dispatch_pingpong_LDADD = $(LDADD) dispatch_pingpong_DEPENDENCIES = libtest.la ../src/libdispatch.la am__dispatch_plusplus_SOURCES_DIST = dispatch_plusplus.cpp @HAVE_CXXBLOCKS_TRUE@am_dispatch_plusplus_OBJECTS = \ @HAVE_CXXBLOCKS_TRUE@ dispatch_plusplus.$(OBJEXT) dispatch_plusplus_OBJECTS = $(am_dispatch_plusplus_OBJECTS) dispatch_plusplus_LDADD = $(LDADD) dispatch_plusplus_DEPENDENCIES = libtest.la ../src/libdispatch.la dispatch_priority_SOURCES = dispatch_priority.c dispatch_priority_OBJECTS = dispatch_priority.$(OBJEXT) dispatch_priority_LDADD = $(LDADD) dispatch_priority_DEPENDENCIES = libtest.la ../src/libdispatch.la am_dispatch_priority2_OBJECTS = \ dispatch_priority2-dispatch_priority.$(OBJEXT) dispatch_priority2_OBJECTS = $(am_dispatch_priority2_OBJECTS) dispatch_priority2_LDADD = $(LDADD) dispatch_priority2_DEPENDENCIES = libtest.la ../src/libdispatch.la dispatch_priority2_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) \ $(LIBTOOLFLAGS) --mode=link $(CCLD) \ $(dispatch_priority2_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) \ $(LDFLAGS) -o $@ dispatch_proc_SOURCES = dispatch_proc.c dispatch_proc_OBJECTS = dispatch_proc.$(OBJEXT) dispatch_proc_LDADD = $(LDADD) dispatch_proc_DEPENDENCIES = libtest.la ../src/libdispatch.la dispatch_read_SOURCES = dispatch_read.c dispatch_read_OBJECTS = dispatch_read.$(OBJEXT) dispatch_read_LDADD = $(LDADD) dispatch_read_DEPENDENCIES = libtest.la ../src/libdispatch.la dispatch_readsync_SOURCES = dispatch_readsync.c dispatch_readsync_OBJECTS = dispatch_readsync.$(OBJEXT) dispatch_readsync_LDADD = $(LDADD) dispatch_readsync_DEPENDENCIES = libtest.la ../src/libdispatch.la dispatch_sema_SOURCES = dispatch_sema.c dispatch_sema_OBJECTS = dispatch_sema.$(OBJEXT) dispatch_sema_LDADD = $(LDADD) dispatch_sema_DEPENDENCIES = libtest.la ../src/libdispatch.la dispatch_starfish_SOURCES = dispatch_starfish.c dispatch_starfish_OBJECTS = dispatch_starfish.$(OBJEXT) dispatch_starfish_LDADD = $(LDADD) dispatch_starfish_DEPENDENCIES = libtest.la ../src/libdispatch.la dispatch_timer_bit31_SOURCES = dispatch_timer_bit31.c dispatch_timer_bit31_OBJECTS = dispatch_timer_bit31.$(OBJEXT) dispatch_timer_bit31_LDADD = $(LDADD) dispatch_timer_bit31_DEPENDENCIES = libtest.la ../src/libdispatch.la dispatch_timer_bit63_SOURCES = dispatch_timer_bit63.c dispatch_timer_bit63_OBJECTS = dispatch_timer_bit63.$(OBJEXT) dispatch_timer_bit63_LDADD = $(LDADD) dispatch_timer_bit63_DEPENDENCIES = libtest.la ../src/libdispatch.la dispatch_timer_set_time_SOURCES = dispatch_timer_set_time.c dispatch_timer_set_time_OBJECTS = dispatch_timer_set_time.$(OBJEXT) dispatch_timer_set_time_LDADD = $(LDADD) dispatch_timer_set_time_DEPENDENCIES = libtest.la \ ../src/libdispatch.la queue_finalizer_SOURCES = queue_finalizer.c queue_finalizer_OBJECTS = queue_finalizer.$(OBJEXT) queue_finalizer_LDADD = $(LDADD) queue_finalizer_DEPENDENCIES = libtest.la ../src/libdispatch.la summarize_SOURCES = summarize.c summarize_OBJECTS = summarize.$(OBJEXT) summarize_LDADD = $(LDADD) summarize_DEPENDENCIES = libtest.la ../src/libdispatch.la DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)/config depcomp = $(SHELL) $(top_srcdir)/config/depcomp am__depfiles_maybe = depfiles am__mv = mv -f COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \ $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) LTCOMPILE = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \ --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \ $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) CCLD = $(CC) LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \ --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) \ $(LDFLAGS) -o $@ CXXCOMPILE = $(CXX) 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dispatch_api.c \ dispatch_apply.c dispatch_c99.c dispatch_cascade.c \ dispatch_cffd.c dispatch_debug.c dispatch_drift.c \ dispatch_group.c dispatch_pingpong.c \ $(am__dispatch_plusplus_SOURCES_DIST) dispatch_priority.c \ $(dispatch_priority2_SOURCES) dispatch_proc.c dispatch_read.c \ dispatch_readsync.c dispatch_sema.c dispatch_starfish.c \ dispatch_timer_bit31.c dispatch_timer_bit63.c \ dispatch_timer_set_time.c queue_finalizer.c summarize.c ETAGS = etags CTAGS = ctags am__tty_colors = \ red=; grn=; lgn=; blu=; std= DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST) ACLOCAL = @ACLOCAL@ AMTAR = @AMTAR@ APPLE_LIBC_SOURCE_PATH = @APPLE_LIBC_SOURCE_PATH@ APPLE_XNU_SOURCE_PATH = @APPLE_XNU_SOURCE_PATH@ AR = @AR@ AUTOCONF = @AUTOCONF@ AUTOHEADER = @AUTOHEADER@ AUTOMAKE = @AUTOMAKE@ AWK = @AWK@ CBLOCKS_FLAGS = @CBLOCKS_FLAGS@ CC = @CC@ CCDEPMODE = @CCDEPMODE@ CFLAGS = -Wall $(MARCH_FLAGS) $(CBLOCKS_FLAGS) CPP = @CPP@ CPPFLAGS = @CPPFLAGS@ CXX = @CXX@ CXXBLOCKS_FLAGS = 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dispatch_apply \ @HAVE_CBLOCKS_TRUE@ dispatch_drift \ @HAVE_CBLOCKS_TRUE@ dispatch_group \ @HAVE_CBLOCKS_TRUE@ dispatch_pingpong \ @HAVE_CBLOCKS_TRUE@ dispatch_read \ @HAVE_CBLOCKS_TRUE@ dispatch_readsync \ @HAVE_CBLOCKS_TRUE@ dispatch_sema \ @HAVE_CBLOCKS_TRUE@ dispatch_timer_bit31 \ @HAVE_CBLOCKS_TRUE@ dispatch_timer_bit63 @HAVE_CXXBLOCKS_TRUE@CXXBLOCKS_TESTS = \ @HAVE_CXXBLOCKS_TRUE@ dispatch_plusplus @HAVE_CXXBLOCKS_TRUE@dispatch_plusplus_SOURCES = dispatch_plusplus.cpp @HAVE_CORESERVICES_TRUE@CORESERVICES_TESTS = \ @HAVE_CORESERVICES_TRUE@ dispatch_cffd @HAVE_CORESERVICES_TRUE@dispatch_cffd_LDFLAGS = -framework CoreFoundation @HAVE_POSIX_SPAWN_START_SUSPENDED_TRUE@POSIX_SPAWN_START_SUSPENDED_TESTS = \ @HAVE_POSIX_SPAWN_START_SUSPENDED_TRUE@ dispatch_proc @USE_LEGACY_API_TRUE@LEGACY_TESTS = \ @USE_LEGACY_API_TRUE@ dispatch_timer_set_time # # XXX: By broken, we mean non-portable. 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(for SysV at least) may be exceeded. .NOEXPORT: libdispatch-0~svn197/testing/dispatch_test.c0000644000175100017500000001053011505136244020707 0ustar mheilymheily#include "config/config.h" #include #include #include #include #include #include #include #include #include #include "dispatch_test.h" #define _test_print(_file, _line, _desc, \ _expr, _fmt1, _val1, _fmt2, _val2) do { \ const char* _exprstr = _expr ? "PASS" : "FAIL"; \ char _linestr[BUFSIZ]; \ if (!_expr) { \ snprintf(_linestr, sizeof(_linestr), \ " (%s:%ld)", _file, _line); \ } else { \ _linestr[0] = 0; \ } \ if (_fmt2 == 0) { \ printf("\tValue: " _fmt1 "\n" \ "[%s] %s%s\n", \ _val1, \ _exprstr, \ _desc, \ _linestr); \ } else { \ printf("\tActual: " _fmt1 "\n" \ "\tExpected: " _fmt2 "\n" \ "[%s] %s%s\n", \ _val1, \ _val2, \ _exprstr, \ _desc, \ _linestr); \ } \ if (!_expr) { \ printf("\t%s:%ld\n", _file, _line); \ } \ fflush(stdout); \ } while (0); void test_start(const char* desc) { printf("\n==================================================\n"); printf("[TEST] %s\n", desc); printf("[PID] %d\n", getpid()); printf("==================================================\n\n"); usleep(100000); // give 'gdb --waitfor=' a chance to find this proc } #define test_ptr_null(a,b) _test_ptr_null(__FILE__, __LINE__, a, b) void _test_ptr_null(const char* file, long line, const char* desc, const void* ptr) { _test_print(file, line, desc, (ptr == NULL), "%p", ptr, "%p", (void*)0); } #define test_ptr_notnull(a,b) _test_ptr_notnull(__FILE__, __LINE__, a, b) void _test_ptr_notnull(const char* file, long line, const char* desc, const void* ptr) { _test_print(file, line, desc, (ptr != NULL), "%p", ptr, "%p", ptr ?: (void*)~0); } #define test_ptr(a,b,c) _test_ptr(__FILE__, __LINE__, a, b, c) void _test_ptr(const char* file, long line, const char* desc, const void* actual, const void* expected) { _test_print(file, line, desc, (actual == expected), "%p", actual, "%p", expected); } #define test_long(a,b,c) _test_long(__FILE__, __LINE__, a, b, c) void _test_long(const char* file, long line, const char* desc, long actual, long expected) { _test_print(file, line, desc, (actual == expected), "%ld", actual, "%ld", expected); } #define test_long_less_than(a, b, c) _test_long_less_than(__FILE__, __LINE__, a, b, c) void _test_long_less_than(const char* file, long line, const char* desc, long actual, long expected_max) { _test_print(file, line, desc, (actual < expected_max), "%ld", actual, "<%ld", expected_max); } #define test_double_less_than(d, v, m) _test_double_less_than(__FILE__, __LINE__, d, v, m) void _test_double_less_than(const char* file, long line, const char* desc, double val, double max_expected) { _test_print(file, line, desc, (val < max_expected), "%f", val, "<%f", max_expected); } #define test_double_less_than_or_equal(d, v, m) _test_double_less_than(__FILE__, __LINE__, d, v, m) void _test_double_less_than_or_equal(const char* file, long line, const char* desc, double val, double max_expected) { _test_print(file, line, desc, (val <= max_expected), "%f", val, "<%f", max_expected); } #define test_errno(a,b,c) _test_errno(__FILE__, __LINE__, a, b, c) void _test_errno(const char* file, long line, const char* desc, long actual, long expected) { char* actual_str; char* expected_str; asprintf(&actual_str, "%ld\t%s", actual, actual ? strerror(actual) : ""); asprintf(&expected_str, "%ld\t%s", expected, expected ? strerror(expected) : ""); _test_print(file, line, desc, (actual == expected), "%s", actual_str, "%s", expected_str); free(actual_str); free(expected_str); } #include extern char **environ; void test_stop(void) { test_stop_after_delay((void *)(intptr_t)0); } void test_stop_after_delay(void *delay) { #if HAVE_LEAKS int res; pid_t pid; char pidstr[10]; #endif if (delay != NULL) { sleep((int)(intptr_t)delay); } #if HAVE_LEAKS if (getenv("NOLEAKS")) _exit(EXIT_SUCCESS); /* leaks doesn't work against debug variant malloc */ if (getenv("DYLD_IMAGE_SUFFIX")) _exit(EXIT_SUCCESS); snprintf(pidstr, sizeof(pidstr), "%d", getpid()); char* args[] = { "./leaks-wrapper", pidstr, NULL }; res = posix_spawnp(&pid, args[0], NULL, NULL, args, environ); if (res == 0 && pid > 0) { int status; waitpid(pid, &status, 0); test_long("Leaks", status, 0); } else { perror(args[0]); } #endif _exit(EXIT_SUCCESS); } libdispatch-0~svn197/testing/dispatch_pingpong.c0000644000175100017500000000342011505136244021551 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #include "config/config.h" #include #include #include "dispatch_test.h" uint32_t count = 0; const uint32_t final = 1000000; // 10M void pingpongloop(dispatch_group_t group, dispatch_queue_t ping, dispatch_queue_t pong, size_t counter) { //printf("[%p] %s: %lu\n", (void*)(uintptr_t)pthread_self(), dispatch_queue_get_label(dispatch_get_current_queue()), counter); if (counter < final) { dispatch_group_async(group, pong, ^{ pingpongloop(group, pong, ping, counter+1); }); } else { count = counter; } } int main(void) { test_start("Dispatch Ping Pong"); dispatch_queue_t ping = dispatch_queue_create("ping", NULL); test_ptr_notnull("dispatch_queue_create(ping)", ping); dispatch_queue_t pong = dispatch_queue_create("pong", NULL); test_ptr_notnull("dispatch_queue_create(pong)", pong); dispatch_group_t group = dispatch_group_create(); test_ptr_notnull("dispatch_group_create", group); pingpongloop(group, ping, pong, 0); dispatch_group_wait(group, DISPATCH_TIME_FOREVER); test_long("count", count, final); test_stop(); return 0; } libdispatch-0~svn197/testing/dispatch_priority.c0000644000175100017500000000653111505136244021617 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #include "config/config.h" #include #include #define __DISPATCH_INDIRECT__ #include "src/queue_private.h" #include #include #include #if HAVE_TARGETCONDITIONALS_H #include #endif #include "dispatch_test.h" int done = 0; #define BLOCKS 128 #define PRIORITIES 3 #if TARGET_OS_EMBEDDED #define LOOP_COUNT 2000000 #else #define LOOP_COUNT 100000000 #endif char *labels[PRIORITIES] = { "LOW", "DEFAULT", "HIGH" }; int priorities[PRIORITIES] = { DISPATCH_QUEUE_PRIORITY_LOW, DISPATCH_QUEUE_PRIORITY_DEFAULT, DISPATCH_QUEUE_PRIORITY_HIGH }; union { long count; char padding[64]; } counts[PRIORITIES]; #define ITERATIONS (long)(PRIORITIES * BLOCKS * 0.50) long iterations = ITERATIONS; void histogram(void) { long maxcount = BLOCKS; long sc[PRIORITIES]; long total = 0; long x,y; for (y = 0; y < PRIORITIES; ++y) { sc[y] = counts[y].count; } for (y = 0; y < PRIORITIES; ++y) { printf("%s: %ld\n", labels[y], sc[y]); total += sc[y]; double fraction = (double)sc[y] / (double)maxcount; double value = fraction * (double)80; for (x = 0; x < 80; ++x) { printf("%s", (value > x) ? "*" : " "); } printf("\n"); } test_long("blocks completed", total, ITERATIONS); test_long_less_than("high priority precedence", (long)sc[0], (long)sc[2]); } void cpubusy(void* context) { long *count = context; long iterdone; long idx; for (idx = 0; idx < LOOP_COUNT; ++idx) { if (done) break; } if ((iterdone = __sync_sub_and_fetch(&iterations, 1)) == 0) { __sync_add_and_fetch(&done, 1); __sync_add_and_fetch(count, 1); histogram(); test_stop(); exit(0); } else if (iterdone > 0) { __sync_add_and_fetch(count, 1); } } void submit_work(dispatch_queue_t queue, void* context) { int i; for (i = 0; i < BLOCKS; ++i) { dispatch_async_f(queue, context, cpubusy); } #if USE_SET_TARGET_QUEUE dispatch_release(queue); #endif } int main(int argc __attribute__((unused)), char* argv[] __attribute__((unused))) { dispatch_queue_t q[PRIORITIES]; int i; #if USE_SET_TARGET_QUEUE test_start("Dispatch Priority (Set Target Queue)"); for(i = 0; i < PRIORITIES; i++) { q[i] = dispatch_queue_create(labels[i], NULL); test_ptr_notnull("q[i]", q[i]); assert(q[i]); dispatch_set_target_queue(q[i], dispatch_get_global_queue(priorities[i], 0)); dispatch_queue_set_width(q[i], DISPATCH_QUEUE_WIDTH_MAX_LOGICAL_CPUS); } #else test_start("Dispatch Priority"); for(i = 0; i < PRIORITIES; i++) { q[i] = dispatch_get_global_queue(priorities[i], 0); } #endif for(i = 0; i < PRIORITIES; i++) { submit_work(q[i], &counts[i].count); } dispatch_main(); return 0; } libdispatch-0~svn197/testing/dispatch_timer_bit31.c0000644000175100017500000000405411505136244022056 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #include "config/config.h" #include #include #include #include #include #include "dispatch_test.h" // // There were several bugs related to sign extension / integer overflow that // were encountered during development. Create a timer whose interval has the // 31st bit of the word set to verify that it behaves correctly. // // 2 s < 0x80000000ull ns < 4 s // int main(void) { test_start("Dispatch Source Timer, bit 31"); dispatch_queue_t main_q = dispatch_get_main_queue(); test_ptr("dispatch_get_main_queue", main_q, dispatch_get_current_queue()); dispatch_source_t timer; struct timeval start_time; gettimeofday(&start_time, NULL); timer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, main_q); test_ptr_notnull("DISPATCH_SOURCE_TYPE_TIMER", timer); dispatch_source_set_timer(timer, dispatch_time(DISPATCH_TIME_NOW, 0x80000000ull), 0, 0); dispatch_source_set_event_handler(timer, ^{ dispatch_source_cancel(timer); }); dispatch_source_set_cancel_handler(timer, ^{ struct timeval end_time; gettimeofday(&end_time, NULL); test_long_less_than("elapsed time < 4s", end_time.tv_sec - start_time.tv_sec, 4); test_long_less_than("elapsed time > 2s", 1, end_time.tv_sec - start_time.tv_sec); test_stop(); }); dispatch_resume(timer); dispatch_main(); return 0; } libdispatch-0~svn197/testing/dispatch_cascade.c0000644000175100017500000000434511505136244021322 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #include "config/config.h" #include #include #include #include #include "dispatch_test.h" int done = 0; #define QUEUES 80 dispatch_queue_t queues[QUEUES]; #define BLOCKS 10000 union { size_t index; char padding[64]; } indices[BLOCKS]; size_t iterations = QUEUES * BLOCKS * 0.25; void histogram(void) { size_t counts[QUEUES] = {}; size_t maxcount = 0; size_t q; for (q = 0; q < QUEUES; ++q) { size_t i; for (i = 0; i < BLOCKS; ++i) { if (indices[i].index == q) { ++counts[q]; } } } for (q = 0; q < QUEUES; ++q) { if (counts[q] > maxcount) { maxcount = counts[q]; } } printf("maxcount = %ld\n", maxcount); size_t x,y; for (y = 20; y > 0; --y) { for (x = 0; x < QUEUES; ++x) { double fraction = (double)counts[x] / (double)maxcount; double value = fraction * (double)20; printf("%s", (value > y) ? "*" : " "); } printf("\n"); } } void cascade(void* context) { size_t idx, *idxptr = context; if (done) return; idx = *idxptr + 1; if (idx < QUEUES) { *idxptr = idx; dispatch_async_f(queues[idx], context, cascade); } if (__sync_sub_and_fetch(&iterations, 1) == 0) { done = 1; histogram(); test_stop(); exit(0); } } int main(int argc __attribute__((unused)), char* argv[] __attribute__((unused))) { int i; test_start("Dispatch Cascade"); for (i = 0; i < QUEUES; ++i) { queues[i] = dispatch_queue_create(NULL, NULL); } for (i = 0; i < BLOCKS; ++i) { cascade(&indices[i].index); } dispatch_main(); return 0; } libdispatch-0~svn197/testing/harness.c0000644000175100017500000000566411505136244017530 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #include "config/config.h" #include #include #include #include #include #include #include #include #include "dispatch_test.h" extern char **environ; int main(int argc, char *argv[]) { dispatch_source_t proc; dispatch_source_t sig; int res; pid_t pid; if (argc < 2) { fprintf(stderr, "usage: harness [...]\n"); exit(1); } // // Start the test in a suspended state. Will send SIGCONT once ready. // posix_spawnattr_t attr; res = posix_spawnattr_init(&attr); assert(res == 0); res = posix_spawnattr_setflags(&attr, POSIX_SPAWN_START_SUSPENDED); assert(res == 0); int i; char** newargv = calloc(argc, sizeof(void*)); for (i = 1; i < argc; ++i) { newargv[i-1] = argv[i]; } newargv[i-1] = NULL; res = posix_spawnp(&pid, newargv[0], NULL, &attr, newargv, environ); if (res) { errno = res; perror(newargv[0]); exit(EXIT_FAILURE); } //fprintf(stderr, "pid = %d\n", pid); assert(pid > 0); // // Monitor the test process exit status. // dispatch_queue_t main_q = dispatch_get_main_queue(); proc = dispatch_source_create(DISPATCH_SOURCE_TYPE_PROC, pid, DISPATCH_PROC_EXIT, main_q); assert(proc); dispatch_source_set_event_handler(proc, ^{ int status; int res2 = waitpid(pid, &status, 0); assert(res2 != -1); test_long("Process exited", WEXITSTATUS(status) | WTERMSIG(status), 0); exit(0); }); dispatch_resume(proc); // // Forcibly stop currently running test after 30 second timeout. // uint64_t timeout = 30LL * NSEC_PER_SEC; dispatch_after(dispatch_time(DISPATCH_TIME_NOW, timeout), main_q, ^{ kill(pid, SIGKILL); fprintf(stderr, "Terminating unresponsive process (%0.1lfs)\n", (double)timeout/NSEC_PER_SEC); }); // // Control-c forcibly stops currently running test. // // Ignore the default signal handler so that dispatch can handle it. signal(SIGINT, SIG_IGN); sig = dispatch_source_create(DISPATCH_SOURCE_TYPE_SIGNAL, SIGINT, 0, main_q); assert(sig); dispatch_source_set_event_handler(sig, ^{ fprintf(stderr, "Terminating process due to signal\n"); kill(pid, SIGKILL); }); dispatch_resume(sig); // // Start the test. // kill(pid, SIGCONT); dispatch_main(); return 0; } libdispatch-0~svn197/testing/dispatch_test.h0000644000175100017500000000314311505136244020716 0ustar mheilymheily#include #include "os_shims.h" #include __DISPATCH_BEGIN_DECLS void test_start(const char* desc); void test_stop(void); void test_stop_after_delay(void *delay); void _test_ptr_null(const char* file, long line, const char* desc, const void* ptr); #define test_ptr_null(a,b) _test_ptr_null(__FILE__, __LINE__, a, b) void _test_ptr_notnull(const char* file, long line, const char* desc, const void* ptr); #define test_ptr_notnull(a,b) _test_ptr_notnull(__FILE__, __LINE__, a, b) void _test_ptr(const char* file, long line, const char* desc, const void* actual, const void* expected); #define test_ptr(a,b,c) _test_ptr(__FILE__, __LINE__, a, b, c) void _test_long(const char* file, long line, const char* desc, long actual, long expected); #define test_long(a,b,c) _test_long(__FILE__, __LINE__, a, b, c) void _test_long_less_than(const char* file, long line, const char* desc, long actual, long max_expected); #define test_long_less_than(a,b,c) _test_long_less_than(__FILE__, __LINE__, a, b, c) void _test_double_less_than_or_equal(const char* file, long line, const char* desc, double val, double max_expected); #define test_double_less_than_or_equal(d, v, m) _test_double_less_than(__FILE__, __LINE__, d, v, m) void _test_double_less_than(const char* file, long line, const char* desc, double val, double max_expected); #define test_double_less_than(d, v, m) _test_double_less_than(__FILE__, __LINE__, d, v, m) void _test_errno(const char* file, long line, const char* desc, long actual, long expected); #define test_errno(a,b,c) _test_errno(__FILE__, __LINE__, a, b, c) __DISPATCH_END_DECLS libdispatch-0~svn197/testing/dispatch_sema.c0000644000175100017500000000246611505136244020666 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #include "config/config.h" #include #include #include #include #include "dispatch_test.h" #define LAPS 10000 int main(void) { static size_t total; dispatch_semaphore_t dsema; test_start("Dispatch Semaphore"); dsema = dispatch_semaphore_create(1); assert(dsema); dispatch_apply(LAPS, dispatch_get_global_queue(0, 0), ^(size_t idx __attribute__((unused))) { dispatch_semaphore_wait(dsema, DISPATCH_TIME_FOREVER); total++; dispatch_semaphore_signal(dsema); }); dispatch_release(dsema); test_long("count", total, LAPS); test_stop(); return 0; } libdispatch-0~svn197/testing/dispatch_debug.c0000644000175100017500000000251211505136244021017 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #include "config/config.h" #include #include #include #include #include "dispatch_test.h" int main(void) { test_start("Dispatch Debug"); dispatch_queue_t main_q = dispatch_get_main_queue(); dispatch_debug(main_q, "dispatch_queue_t"); dispatch_queue_t default_q = dispatch_get_global_queue(0, 0); dispatch_debug(default_q, "dispatch_queue_t"); dispatch_source_t s = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, main_q); dispatch_debug(s, "dispatch_source_t"); dispatch_group_t g = dispatch_group_create(); dispatch_debug(g, "dispatch_group_t"); return 0; } libdispatch-0~svn197/testing/dispatch_plusplus.cpp0000644000175100017500000000202411505136244022156 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #include #include #include "dispatch_test.h" int main(void) { test_start("Dispatch C++"); dispatch_queue_t q = dispatch_get_main_queue(); test_ptr_notnull("dispatch_get_main_queue", q); dispatch_async(dispatch_get_main_queue(), ^{ test_stop(); exit(0); }); dispatch_main(); return 0; } libdispatch-0~svn197/testing/nsoperation.m0000644000175100017500000000274411505136244020434 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #include #include #include #include #include #include #include "dispatch_test.h" @interface MYOperation : NSOperation { } @end @implementation MYOperation - (id) init { self = [super init]; return self; } - (void)main { test_stop(); } @end int main(void) { test_start("NSOperation"); NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; NSOperationQueue *queue = [[[NSOperationQueue alloc] init] autorelease]; test_ptr_notnull("NSOperationQueue", queue); MYOperation *operation = [[MYOperation alloc] init]; test_ptr_notnull("NSOperation", operation); [queue addOperation:operation]; [operation release]; [[NSRunLoop mainRunLoop] run]; [pool release]; return 0; } libdispatch-0~svn197/testing/dispatch_group.c0000644000175100017500000000512311505136244021066 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #include "config/config.h" #include #include #include #include #include #include #include "dispatch_test.h" #ifndef NSEC_PER_SEC #define NSEC_PER_SEC 1000000000 #endif dispatch_group_t create_group(size_t count, int delay) { size_t i; dispatch_group_t group = dispatch_group_create(); for (i = 0; i < count; ++i) { dispatch_queue_t queue = dispatch_queue_create(NULL, NULL); assert(queue); dispatch_group_async(group, queue, ^{ if (delay) { fprintf(stderr, "sleeping...\n"); sleep(delay); fprintf(stderr, "done.\n"); } }); dispatch_release(queue); } return group; } int main(void) { long res; test_start("Dispatch Group"); dispatch_group_t group; group = create_group(100, 0); test_ptr_notnull("dispatch_group_async", group); dispatch_group_wait(group, DISPATCH_TIME_FOREVER); // should be OK to re-use a group dispatch_group_async(group, dispatch_get_global_queue(0, 0), ^{}); dispatch_group_wait(group, DISPATCH_TIME_FOREVER); dispatch_release(group); group = NULL; group = create_group(3, 7); test_ptr_notnull("dispatch_group_async", group); res = dispatch_group_wait(group, dispatch_time(DISPATCH_TIME_NOW, 5ull * NSEC_PER_SEC)); test_long("dispatch_group_wait", !res, 0); // retry after timeout (this time succeed) res = dispatch_group_wait(group, dispatch_time(DISPATCH_TIME_NOW, 5ull * NSEC_PER_SEC)); test_long("dispatch_group_wait", res, 0); dispatch_release(group); group = NULL; group = create_group(100, 0); test_ptr_notnull("dispatch_group_async", group); dispatch_group_notify(group, dispatch_get_main_queue(), ^{ dispatch_queue_t m = dispatch_get_main_queue(); dispatch_queue_t c = dispatch_get_current_queue(); test_ptr("Notification Received", m, c); test_stop(); }); dispatch_release(group); group = NULL; dispatch_main(); return 0; } libdispatch-0~svn197/testing/dispatch_cffd.c0000644000175100017500000000664011505136244020641 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #include "config/config.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "dispatch_test.h" int debug = 0; #define DEBUG(...) do { \ if (debug) fprintf(stderr, __VA_ARGS__); \ } while(0); #define assert_errno(str, expr) do { \ if (!(expr)) { \ fprintf(stderr, "%s: %s\n", (str), strerror(errno)); \ exit(1); \ } } while(0); int init_kqueue(void) { int kq; int res; struct kevent ke; static struct timespec t0; kq = kqueue(); assert_errno("kqueue", kq >= 0); EV_SET(&ke, 1, EVFILT_TIMER, EV_ADD, NOTE_SECONDS, 1, 0); res = kevent(kq, &ke, 1, NULL, 0, &t0); assert_errno("kevent", res == 0); return kq; } int read_kevent(int kq) { int res; struct kevent ke; //static struct timespec t0; res = kevent(kq, NULL, 0, &ke, 1, NULL); assert_errno("kevent", res >= 0); fprintf(stdout, "kevent.data = %ld\n", ke.data); return (res < 0); } static void cffd_callback(CFFileDescriptorRef cffd, CFOptionFlags callBackTypes __attribute__((unused)), void *info __attribute__((unused))) { int kq; kq = CFFileDescriptorGetNativeDescriptor(cffd); if (read_kevent(kq) == 0) { // ... } CFFileDescriptorEnableCallBacks(cffd, kCFFileDescriptorReadCallBack); } void timer() { dispatch_source_t ds; ds = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, dispatch_get_main_queue()); assert(ds); dispatch_source_set_timer(ds, dispatch_time(0, 1*NSEC_PER_SEC), NSEC_PER_SEC, 0); dispatch_source_set_event_handler(ds, ^{ printf("ping\n"); }); dispatch_resume(ds); } void hangup() { dispatch_source_t ds; ds = dispatch_source_create(DISPATCH_SOURCE_TYPE_SIGNAL, SIGHUP, 0, dispatch_get_main_queue()); assert(ds); dispatch_source_set_event_handler(ds, ^{ printf("hangup\n"); }); dispatch_resume(ds); } int main(int argc __attribute__((unused)), char *argv[] __attribute__((unused))) { int kq; CFFileDescriptorRef cffd; CFRunLoopSourceRef rls; CFFileDescriptorContext ctx; test_start("CFFileDescriptor"); signal(SIGHUP, SIG_IGN); kq = init_kqueue(); memset(&ctx, 0, sizeof(CFFileDescriptorContext)); cffd = CFFileDescriptorCreate(NULL, kq, 1, cffd_callback, &ctx); assert(cffd); rls = CFFileDescriptorCreateRunLoopSource(NULL, cffd, 0); assert(rls); CFRunLoopAddSource(CFRunLoopGetCurrent(), rls, kCFRunLoopDefaultMode); CFFileDescriptorEnableCallBacks(cffd, kCFFileDescriptorReadCallBack); // timer(); // hangup(); CFRunLoopRunInMode(kCFRunLoopDefaultMode, 10.0, false); test_stop(); return 0; } libdispatch-0~svn197/testing/dispatch_drift.c0000644000175100017500000000602511505136244021044 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #include "config/config.h" #include #include #include #include #include #include #include "dispatch_test.h" // // Verify that dispatch timers do not drift, that is to say, increasingly // stray from their intended interval. // // The jitter of the event handler is defined to be the amount of time // difference between the actual and expected timing of the event handler // invocation. The drift is defined to be the amount that the jitter changes // over time. // // Important: be sure to use the same clock when comparing actual and expected // values. Skew between different clocks is to be expected. // int main(int argc __attribute__((unused)), char* argv[] __attribute__((unused))) { __block uint32_t count = 0; __block double last_jitter = 0; // interval is 1/10th of a second uint64_t interval = NSEC_PER_SEC / 10; double interval_d = (double)interval / (double)NSEC_PER_SEC; // for 25 seconds unsigned int target = 25 / interval_d; __block double first = 0; __block double jittersum = 0; __block double driftsum = 0; test_start("Timer drift test"); dispatch_source_t timer; timer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, dispatch_get_main_queue()); test_ptr_notnull("DISPATCH_SOURCE_TYPE_TIMER", timer); dispatch_source_set_event_handler(timer, ^{ struct timeval now_tv; gettimeofday(&now_tv, NULL); double now = now_tv.tv_sec + ((double)now_tv.tv_usec / (double)USEC_PER_SEC); if (first == 0) { first = now; } double goal = first + interval_d * count; double jitter = goal - now; double drift = jitter - last_jitter; count += dispatch_source_get_data(timer); jittersum += jitter; driftsum += drift; printf("%4d: jitter %f, drift %f\n", count, jitter, drift); if (count >= target) { test_double_less_than("average jitter", fabs(jittersum) / (double)count, 0.0001); test_double_less_than("average drift", fabs(driftsum) / (double)count, 0.0001); test_stop(); } last_jitter = jitter; }); struct timeval now_tv; struct timespec now_ts; gettimeofday(&now_tv, NULL); now_ts.tv_sec = now_tv.tv_sec; now_ts.tv_nsec = now_tv.tv_usec * NSEC_PER_USEC; dispatch_source_set_timer(timer, dispatch_walltime(&now_ts, interval), interval, 0); dispatch_resume(timer); dispatch_main(); return 0; } libdispatch-0~svn197/testing/dispatch_timer_set_time.c0000644000175100017500000000306111505136244022742 0ustar mheilymheily#include "config/config.h" #include #include #include #include #define __DISPATCH_INDIRECT__ #include "src/internal.h" #include "dispatch_test.h" int main(void) { test_start("Dispatch Update Timer"); dispatch_queue_t main_q = dispatch_get_main_queue(); test_ptr("dispatch_get_main_queue", main_q, dispatch_get_current_queue()); __block int i = 0; struct timeval start_time; gettimeofday(&start_time, NULL); dispatch_source_attr_t attr = dispatch_source_attr_create(); dispatch_source_attr_set_finalizer(attr, ^(dispatch_source_t ds) { struct timeval end_time; gettimeofday(&end_time, NULL); // Make sure we actually managed to adjust the interval // duration. Seven one second ticks would blow past // this. test_long_less_than("total duration", end_time.tv_sec - start_time.tv_sec, 3); test_ptr_notnull("finalizer ran", ds); test_stop(); }); dispatch_source_t s = dispatch_source_timer_create(DISPATCH_TIMER_INTERVAL, 1000000000ull, 0, attr, main_q, ^(dispatch_event_t ev) { long err; if (dispatch_event_get_error(ev, &err)) { test_errno("dispatch_event_get_error", err, ECANCELED); dispatch_release(dispatch_event_get_source(ev)); } else { fprintf(stderr, "%d\n", ++i); if (i >= 7) { dispatch_cancel(dispatch_event_get_source(ev)); } else if (i == 1) { dispatch_source_timer_set_time(dispatch_event_get_source(ev), 100, 0); } } }); test_ptr_notnull("dispatch_source_timer_create", s); dispatch_release(attr); dispatch_main(); return 0; } libdispatch-0~svn197/testing/os_shims.h0000644000175100017500000000155611505136244017712 0ustar mheilymheily/* * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #ifndef __DISPATCH_TESTS_OS_SHIMS__ #define __DISPATCH_TESTS_OS_SHIMS__ #include "config/config.h" #include "shims/asprintf.h" #include "shims/arc4random.h" #include "shims/fgetln.h" #endif /* __DISPATCH_TESTS_OS_SHIMS__ */ libdispatch-0~svn197/testing/dispatch_read.c0000644000175100017500000000473411505136244020654 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #include "config/config.h" #include #include #include #include #include #include #include #include #include "dispatch_test.h" static size_t bytes_total; static size_t bytes_read; int main(void) { const char *path = "/usr/share/dict/words"; struct stat sb; test_start("Dispatch Source Read"); int infd = open(path, O_RDONLY); if (infd == -1) { perror(path); exit(EXIT_FAILURE); } if (fstat(infd, &sb) == -1) { perror(path); exit(EXIT_FAILURE); } bytes_total = sb.st_size; if (fcntl(infd, F_SETFL, O_NONBLOCK) != 0) { perror(path); exit(EXIT_FAILURE); } dispatch_queue_t main_q = dispatch_get_main_queue(); test_ptr_notnull("dispatch_get_main_queue", main_q); dispatch_source_t reader; reader = dispatch_source_create(DISPATCH_SOURCE_TYPE_READ, infd, 0, main_q); test_ptr_notnull("DISPATCH_SOURCE_TYPE_READ", reader); dispatch_source_set_event_handler(reader, ^{ size_t estimated = dispatch_source_get_data(reader); printf("bytes available: %zu\n", estimated); const ssize_t bufsiz = 1024*500; // 500 KB buffer static char buffer[1024*500]; // 500 KB buffer ssize_t actual = read(infd, buffer, sizeof(buffer)); bytes_read += actual; printf("bytes read: %zd\n", actual); if (actual < bufsiz) { actual = read(infd, buffer, sizeof(buffer)); bytes_read += actual; // confirm EOF condition test_long("EOF", actual, 0); dispatch_source_cancel(reader); dispatch_release(reader); } }); dispatch_source_set_cancel_handler(reader, ^{ test_long("Bytes read", bytes_read, bytes_total); int res = close(infd); test_errno("close", res == -1 ? errno : 0, 0); test_stop(); }); dispatch_resume(reader); dispatch_main(); } libdispatch-0~svn197/testing/fd_stress.c0000644000175100017500000002717211505136244020057 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ /* * fd_stress.c * * Stress test for dispatch read and write sources. */ #include "config/config.h" #include #include #include #include #include #include #include #include #include #include #include static inline size_t max(size_t a, size_t b) { return (a > b) ? a : b; } static inline size_t min(size_t a, size_t b) { return (a < b) ? a : b; } int debug = 0; #define DEBUG(...) do { \ if (debug) fprintf(stderr, __VA_ARGS__); \ } while(0); #define assert_errno(str, expr) do { \ if (!(expr)) { \ fprintf(stderr, "%s: %s\n", (str), strerror(errno)); \ exit(1); \ } } while(0); #define assert_gai_errno(str, expr) do { \ if (!(expr)) { \ fprintf(stderr, "%s: %s\n", (str), gai_strerror(errno)); \ exit(1); \ } } while(0); /* sock_context * * Context structure used by the reader and writer queues. * * Writers begin by generating a random length and writing it to the descriptor. * The write buffer is filled with a random byte value and written until empty * or until the total length is reached. The write buffer is refilled with more * random data when empty. Each write updates an MD5 digest which is written to * the descriptor once the total length is reached. * * Readers begin by reading the total length of data. The read buffer is filled * and an MD5 digest is computed on the bytes as they are received. Once the * total length of data has be read, an MD5 digest is read from the descriptor * and compared with the computed value. */ struct sock_context { enum { LENGTH, DATA, CKSUM, DONE, } state; char label[64]; uint32_t len; off_t offset; char buf[8192]; size_t buflen; CC_MD5_CTX md5ctx; char md5[CC_MD5_DIGEST_LENGTH]; }; dispatch_source_t create_writer(int wfd, dispatch_block_t completion) { dispatch_source_t ds; struct sock_context *ctx = calloc(1, sizeof(struct sock_context)); assert(ctx); snprintf(ctx->label, sizeof(ctx->label), "writer.fd.%d", wfd); dispatch_queue_t queue = dispatch_queue_create(ctx->label, 0); ds = dispatch_source_create(DISPATCH_SOURCE_TYPE_WRITE, wfd, 0, queue); assert(ds); dispatch_release(queue); uint32_t len; do { len = (arc4random() & 0x7FFF); } while (len == 0); ctx->state = LENGTH; CC_MD5_Init(&ctx->md5ctx); ctx->len = len; ctx->buflen = sizeof(len); len = htonl(len); memcpy(ctx->buf, &len, ctx->buflen); DEBUG("%s: LENGTH %d\n", ctx->label, ctx->len); dispatch_source_set_event_handler(ds, ^{ DEBUG("%s: available %ld\n", ctx->label, dispatch_source_get_data(ds)); ssize_t res; size_t wrsz = min(ctx->len, ctx->buflen); res = write(wfd, &ctx->buf[ctx->offset], wrsz); DEBUG("%s: write(%d, %p, %ld): %ld\n", ctx->label, wfd, &ctx->buf[ctx->offset], wrsz, res); if (res > 0) { if (ctx->state == DATA) { CC_MD5_Update(&ctx->md5ctx, &ctx->buf[ctx->offset], res); ctx->len -= res; } ctx->offset += res; ctx->buflen -= res; assert(ctx->offset >= 0); assert(ctx->len >= 0); assert(ctx->buflen >= 0); if (ctx->buflen == 0 || ctx->len == 0) { if (ctx->state == LENGTH) { // finished writing length, move on to data. ctx->state = DATA; ctx->buflen = sizeof(ctx->buf); char pattern = arc4random() & 0xFF; memset(ctx->buf, pattern, ctx->buflen); } else if (ctx->state == DATA && ctx->len == 0) { // finished writing data, move on to cksum. ctx->state = CKSUM; ctx->len = sizeof(ctx->md5); ctx->buflen = sizeof(ctx->md5); CC_MD5_Final(ctx->md5, &ctx->md5ctx); memcpy(ctx->buf, ctx->md5, ctx->buflen); } else if (ctx->state == DATA) { ctx->buflen = sizeof(ctx->buf); char pattern = arc4random() & 0xFF; memset(ctx->buf, pattern, ctx->buflen); } else if (ctx->state == CKSUM) { ctx->state = DONE; dispatch_source_cancel(ds); } else { assert(0); } ctx->offset = 0; } } else if (res == 0) { assert(ctx->state == DONE); assert(0); } else if (res == -1 && errno == EAGAIN) { DEBUG("%s: EAGAIN\n", ctx->label); } else { assert_errno("write", res >= 0); } }); dispatch_source_set_cancel_handler(ds, ^{ DEBUG("%s: close(%d)\n", ctx->label, wfd); int res = close(wfd); assert_errno("close", res == 0); completion(); dispatch_release(ds); free(ctx); }); dispatch_resume(ds); return ds; } dispatch_source_t create_reader(int rfd, dispatch_block_t completion) { dispatch_source_t ds; struct sock_context *ctx = calloc(1, sizeof(struct sock_context)); assert(ctx); snprintf(ctx->label, sizeof(ctx->label), "reader.fd.%d", rfd); dispatch_queue_t queue = dispatch_queue_create(ctx->label, 0); ds = dispatch_source_create(DISPATCH_SOURCE_TYPE_READ, rfd, 0, queue); assert(ds); dispatch_release(queue); ctx->state = LENGTH; ctx->len = sizeof(ctx->len); ctx->buflen = sizeof(ctx->len); CC_MD5_Init(&ctx->md5ctx); dispatch_source_set_event_handler(ds, ^{ DEBUG("%s: available %ld\n", ctx->label, dispatch_source_get_data(ds)); ssize_t res; size_t rdsz = min(ctx->len, ctx->buflen); res = read(rfd, &ctx->buf[ctx->offset], rdsz); DEBUG("%s: read(%d,%p,%ld): %ld\n", ctx->label, rfd, &ctx->buf[ctx->offset], rdsz, res); // log unexpected data lengths... long expected = dispatch_source_get_data(ds); long actual = res; if (actual >= 0 && (actual != expected && actual != rdsz)) { fprintf(stderr, "%s: expected %ld, actual %ld (rdsz = %ld)\n", ctx->label, expected, actual, rdsz); } if (res > 0) { if (ctx->state == DATA) { CC_MD5_Update(&ctx->md5ctx, &ctx->buf[ctx->offset], res); ctx->len -= res; } ctx->offset += res; ctx->buflen -= res; if (ctx->buflen == 0 || ctx->len == 0) { if (ctx->state == LENGTH) { // buffer is full, interpret as uint32_t memcpy(&ctx->len, ctx->buf, sizeof(ctx->len)); ctx->len = ntohl(ctx->len); ctx->buflen = sizeof(ctx->buf); ctx->state = DATA; } else if (ctx->state == DATA && ctx->len == 0) { CC_MD5_Final(ctx->md5, &ctx->md5ctx); ctx->state = CKSUM; ctx->len = CC_MD5_DIGEST_LENGTH; ctx->buflen = ctx->len; } else if (ctx->state == DATA) { ctx->buflen = sizeof(ctx->buf); } else if (ctx->state == CKSUM) { ctx->state = DONE; res = memcmp(ctx->buf, ctx->md5, sizeof(ctx->md5)); if (res != 0) { DEBUG("%s: MD5 FAILURE\n", ctx->label); } assert(res == 0); } ctx->offset = 0; } } else if (res == 0) { assert(ctx->state == DONE); DEBUG("%s: EOF\n", ctx->label); dispatch_source_cancel(ds); } else { assert_errno("read", res >= 0); } }); dispatch_source_set_cancel_handler(ds, ^{ DEBUG("%s: close(%d)\n", ctx->label, rfd); int res = close(rfd); assert_errno("close", res == 0); completion(); dispatch_release(ds); free(ctx); }); dispatch_resume(ds); return ds; } void set_nonblock(int fd) { int res, flags; flags = fcntl(fd, F_GETFL); flags |= O_NONBLOCK; res = fcntl(fd, F_SETFL, flags); assert_errno("fcntl(F_SETFL,O_NONBLOCK)", res == 0); } void create_fifo(int *rfd, int *wfd) { int res; char *name; char path[MAXPATHLEN]; strlcpy(path, "/tmp/fd_stress.fifo.XXXXXX", sizeof(path)); name = mktemp(path); res = unlink(name); res = mkfifo(name, 0700); assert_errno(name, res == 0); *rfd = open(name, O_RDONLY | O_NONBLOCK); assert_errno(name, *rfd >= 0); *wfd = open(name, O_WRONLY | O_NONBLOCK); assert_errno(name, *wfd >= 0); } void create_pipe(int *rfd, int *wfd) { int res; int fildes[2]; res = pipe(fildes); assert_errno("pipe", res == 0); *rfd = fildes[0]; *wfd = fildes[1]; set_nonblock(*rfd); set_nonblock(*wfd); } void create_server_socket(int *rfd, struct sockaddr_in *sa) { int res; int value; socklen_t salen = sizeof(*sa); memset(sa, 0, salen); sa->sin_len = salen; sa->sin_family = AF_INET; sa->sin_port = htons(12345); sa->sin_addr.s_addr = htonl(INADDR_LOOPBACK); *rfd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); assert_errno("socket", *rfd >= 0); value = 1; res = setsockopt(*rfd, SOL_SOCKET, SO_REUSEADDR, &value, sizeof(value)); assert_errno("setsockopt(SO_REUSEADDR)", res == 0); value = 1; res = setsockopt(*rfd, SOL_SOCKET, SO_REUSEPORT, &value, sizeof(value)); assert_errno("setsockopt(SO_REUSEPORT)", res == 0); res = bind(*rfd, (const struct sockaddr *)sa, salen); assert_errno("bind", res == 0); res = listen(*rfd, 128); assert_errno("listen", res == 0); } void create_client_socket(int *wfd, const struct sockaddr_in *sa) { int res; *wfd = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP); assert_errno("socket", *wfd >= 0); set_nonblock(*wfd); res = connect(*wfd, (const struct sockaddr *)sa, sa->sin_len); assert_errno("connect", res == 0 || errno == EINPROGRESS); } extern int optind; void usage(void) { fprintf(stderr, "usage: fd_stress [-d] iterations width\n"); exit(1); } int main(int argc, char* argv[]) { int serverfd; struct sockaddr_in sa; create_server_socket(&serverfd, &sa); int ch; while ((ch = getopt(argc, argv, "d")) != -1) { switch (ch) { case 'd': debug = 1; break; case '?': default: usage(); break; } } argc -= optind; argv += optind; if (argc != 2) { usage(); } size_t iterations = strtol(argv[0], NULL, 10); size_t width = strtol(argv[1], NULL, 10); if (iterations == 0 || width == 0) { usage(); } fprintf(stdout, "pid %d\n", getpid()); dispatch_group_t group; group = dispatch_group_create(); assert(group); #if 0 dispatch_queue_t queue = dispatch_queue_create("server", NULL); dispatch_source_t ds; ds = dispatch_source_create(DISPATCH_SOURCE_TYPE_READ, serverfd, 0, queue); assert(ds); dispatch_source_set_event_handler(ds, ^{ int res; int fd; struct sockaddr peer; socklen_t peerlen; fd = accept(serverfd, &peer, &peerlen); assert_errno("accept", fd >= 0); set_nonblock(fd); char host[NI_MAXHOST], serv[NI_MAXSERV]; host[0] = 0; serv[0] = 0; res = getnameinfo(&peer, peerlen, host, sizeof(host), serv, sizeof(serv), NI_NUMERICHOST|NI_NUMERICSERV); DEBUG("ACCEPTED %d (%s:%s)\n", fd, host, serv); create_reader(fd, ^{ dispatch_group_leave(group); }); }); dispatch_resume(ds); #endif size_t i; for (i = 1; i < iterations; ++i) { fprintf(stderr, "iteration %ld\n", i); size_t j; for (j = 0; j < width; ++j) { int rfd, wfd; dispatch_group_enter(group); create_pipe(&rfd, &wfd); DEBUG("PIPE %d %d\n", rfd, wfd); dispatch_source_t reader; reader = create_reader(rfd, ^{ dispatch_group_leave(group); }); create_writer(wfd, ^{}); } #if 0 int clientfd; dispatch_group_enter(group); create_client_socket(&clientfd, &sa); DEBUG("CLIENT %d\n", clientfd); create_writer(clientfd, ^{}); dispatch_group_enter(group); create_fifo(&rfd, &wfd); DEBUG("FIFO %d %d\n", rfd, wfd); create_writer(wfd, ^{}); create_reader(rfd, ^{ dispatch_group_leave(group); }); #endif dispatch_group_wait(group, DISPATCH_TIME_FOREVER); } fprintf(stdout, "pid %d\n", getpid()); dispatch_main(); return 0; } libdispatch-0~svn197/testing/dispatch_starfish.c0000644000175100017500000000707111505136244021561 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #include "config/config.h" #include #include "src/internal.h" #include #include #include #if HAVE_TARGETCONDITIONALS_H #include #endif #include "dispatch_test.h" #if TARGET_OS_EMBEDDED #define COUNT 300ul #define LAPS 10ul #else #define COUNT 1000ul #define LAPS 10ul #endif static dispatch_queue_t queues[COUNT]; static size_t lap_count_down = LAPS; static size_t count_down; static uint64_t start; static void do_test(void); static void collect(void *context __attribute__((unused))) { uint64_t delta; long double math; size_t i; if (--count_down) { return; } delta = _dispatch_absolute_time() - start; math = delta = _dispatch_time_mach2nano(delta); math /= COUNT * COUNT * 2ul + COUNT * 2ul; printf("lap: %ld\n", lap_count_down); printf("count: %lu\n", COUNT); printf("delta: %ju ns\n", (uintmax_t)delta); printf("math: %Lf ns / lap\n", math); for (i = 0; i < COUNT; i++) { dispatch_release(queues[i]); } // our malloc could be a lot better, // this result is really a malloc torture test test_long_less_than("Latency" , (unsigned long)math, 1000); if (--lap_count_down) { return do_test(); } // give the threads some time to settle before test_stop() runs "leaks" // ...also note, this is a total cheat. dispatch_after lets this // thread go idle, so dispatch cleans up the continuations cache. // Doign the "old style" sleep left that stuff around and leaks // took a LONG TIME to complete. Long enough that the test harness // decided to kill us. dispatch_after_f(dispatch_time(DISPATCH_TIME_NOW, 2 * NSEC_PER_SEC), dispatch_get_main_queue(), NULL, test_stop_after_delay); } static void pong(void *context) { dispatch_queue_t this_q = context; size_t replies = (size_t)dispatch_get_context(this_q); dispatch_set_context(this_q, (void *)--replies); if (!replies) { //printf("collect from: %s\n", dispatch_queue_get_label(dispatch_get_current_queue())); dispatch_async_f(dispatch_get_main_queue(), NULL, collect); } } static void ping(void *context) { dispatch_queue_t reply_q = context; dispatch_async_f(reply_q, reply_q, pong); } static void start_node(void *context) { dispatch_queue_t this_q = context; size_t i; dispatch_set_context(this_q, (void *)COUNT); for (i = 0; i < COUNT; i++) { dispatch_async_f(queues[i], this_q, ping); } } void do_test(void) { size_t i; count_down = COUNT; start = _dispatch_absolute_time(); for (i = 0; i < COUNT; i++) { char buf[1000]; snprintf(buf, sizeof(buf), "com.example.starfish-node#%ld", i); queues[i] = dispatch_queue_create(buf, NULL); dispatch_suspend(queues[i]); } for (i = 0; i < COUNT; i++) { dispatch_async_f(queues[i], queues[i], start_node); } for (i = 0; i < COUNT; i++) { dispatch_resume(queues[i]); } } int main(void) { test_start("Dispatch Starfish"); do_test(); dispatch_main(); } libdispatch-0~svn197/testing/dispatch_apply.c0000644000175100017500000000243211505136244021057 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #include "config/config.h" #include #include "src/hw_shims.h" #include #include #include #include #include "dispatch_test.h" int main(void) { test_start("Dispatch Apply"); volatile __block int32_t count = 0; const int32_t final = 32; dispatch_queue_t queue = dispatch_get_global_queue(0, 0); test_ptr_notnull("dispatch_get_concurrent_queue", queue); dispatch_apply(final, queue, ^(size_t i __attribute__((unused))) { dispatch_atomic_inc(&count); }); test_long("count", count, final); test_stop(); return 0; } libdispatch-0~svn197/testing/bench.mm0000644000175100017500000002506311505136244017326 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef __BLOCKS__ #include #endif #include #include extern "C" { __private_extern__ void func(void); #ifdef __BLOCKS__ __private_extern__ void (^block)(void); #endif static void backflip(void *ctxt); static void backflip_done(void); } @interface BasicObject : NSObject { } - (void) method; @end @implementation BasicObject - (void) method { } @end class BasicClass { public: virtual void virtfunc(void) { }; }; static void * force_a_thread(void *arg) { pause(); abort(); return arg; } static volatile int32_t global; static const size_t cnt = 10000000; static const size_t cnt2 = 100000; static uint64_t bfs; static long double loop_cost; static long double cycles_per_nanosecond; static mach_timebase_info_data_t tbi; //static void func2(void *, dispatch_item_t di); static void __attribute__((noinline)) print_result(uint64_t s, const char *str) { uint64_t d, e = mach_absolute_time(); long double dd; d = e - s; if (tbi.numer != tbi.denom) { d *= tbi.numer; d /= tbi.denom; } dd = (typeof(dd))d / (typeof(dd))cnt; dd -= loop_cost; if (loop_cost == 0.0) { loop_cost = dd; } dd *= cycles_per_nanosecond; printf("%-45s%15.3Lf cycles\n", str, dd); } static void __attribute__((noinline)) print_result2(uint64_t s, const char *str) { uint64_t d, e = mach_absolute_time(); long double dd; d = e - s; if (tbi.numer != tbi.denom) { d *= tbi.numer; d /= tbi.denom; } dd = (typeof(dd))d / (typeof(dd))cnt2; dd -= loop_cost; dd *= cycles_per_nanosecond; printf("%-45s%15.3Lf cycles\n", str, dd); } #if defined(__i386__) || defined(__x86_64__) static inline uint64_t rdtsc(void) { uint32_t lo, hi; asm volatile("rdtsc" : "=a" (lo), "=d" (hi)); return (uint64_t)hi << 32 | lo; } #endif static struct fml { struct fml *fml_next; } *fixed_malloc_lifo_head; struct fml *fixed_malloc_lifo(void);// __attribute__((noinline)); void fixed_free_lifo(struct fml *fml);// __attribute__((noinline)); struct fml * fixed_malloc_lifo(void) { struct fml *fml_r = fixed_malloc_lifo_head; if (fml_r) { fixed_malloc_lifo_head = fml_r->fml_next; return fml_r; } else { return (struct fml *)malloc(32); } } void fixed_free_lifo(struct fml *fml) { fml->fml_next = fixed_malloc_lifo_head; fixed_malloc_lifo_head = fml; } int main(void) { NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; pthread_mutex_t plock = PTHREAD_MUTEX_INITIALIZER; OSSpinLock slock = OS_SPINLOCK_INIT; BasicObject *bo; BasicClass *bc; pthread_t pthr_pause; dispatch_queue_t q, mq; kern_return_t kr; semaphore_t sem; uint64_t freq; uint64_t s; size_t freq_len = sizeof(freq); size_t bf_cnt = cnt; unsigned i; int r; r = sysctlbyname("hw.cpufrequency", &freq, &freq_len, NULL, 0); assert(r != -1); assert(freq_len == sizeof(freq)); cycles_per_nanosecond = (long double)freq / (long double)NSEC_PER_SEC; assert(pool); /* Malloc has different logic for threaded apps. */ r = pthread_create(&pthr_pause, NULL, force_a_thread, NULL); assert(r == 0); kr = mach_timebase_info(&tbi); assert(kr == 0); #if defined(__i386__) || defined(__x86_64__) assert(tbi.numer == tbi.denom); /* This will fail on PowerPC. */ #endif bo = [[BasicObject alloc] init]; assert(bo); bc = new BasicClass(); assert(bc); q = dispatch_queue_create("com.apple.bench-dispatch", NULL); assert(q); mq = dispatch_get_main_queue(); assert(mq); printf("%-45s%15Lf\n\n", "Cycles per nanosecond:", cycles_per_nanosecond); s = mach_absolute_time(); for (i = cnt; i; i--) { asm volatile(""); } print_result(s, "Empty loop:"); printf("\nLoop cost subtracted from the following:\n\n"); s = mach_absolute_time(); for (i = cnt; i; i--) { mach_absolute_time(); } print_result(s, "mach_absolute_time():"); #if defined(__i386__) || defined(__x86_64__) s = mach_absolute_time(); for (i = cnt; i; i--) { rdtsc(); } print_result(s, "rdtsc():"); #endif s = mach_absolute_time(); for (i = cnt2; i; i--) { pthread_t pthr; void *pr; r = pthread_create(&pthr, NULL, (void *(*)(void *))func, NULL); assert(r == 0); r = pthread_join(pthr, &pr); assert(r == 0); } print_result2(s, "pthread create+join:"); s = mach_absolute_time(); for (i = cnt2; i; i--) { kr = semaphore_create(mach_task_self(), &sem, SYNC_POLICY_FIFO, 0); assert(kr == 0); kr = semaphore_destroy(mach_task_self(), sem); assert(kr == 0); } print_result2(s, "Mach semaphore create/destroy:"); kr = semaphore_create(mach_task_self(), &sem, SYNC_POLICY_FIFO, 0); assert(kr == 0); s = mach_absolute_time(); for (i = cnt2; i; i--) { kr = semaphore_signal(sem); assert(kr == 0); } print_result2(s, "Mach semaphore signal:"); kr = semaphore_destroy(mach_task_self(), sem); assert(kr == 0); s = mach_absolute_time(); for (i = cnt; i; i--) { pthread_yield_np(); } print_result(s, "pthread_yield_np():"); s = mach_absolute_time(); for (i = cnt; i; i--) { free(malloc(32)); } print_result(s, "free(malloc(32)):"); s = mach_absolute_time(); for (i = cnt / 2; i; i--) { void *m1 = malloc(32); void *m2 = malloc(32); free(m1); free(m2); } print_result(s, "Avoiding the MRU cache of free(malloc(32)):"); s = mach_absolute_time(); for (i = cnt; i; i--) { fixed_free_lifo(fixed_malloc_lifo()); } print_result(s, "per-thread/fixed free(malloc(32)):"); s = mach_absolute_time(); for (i = cnt; i; i--) { assert(strtoull("18446744073709551615", NULL, 0) == ~0ull); } print_result(s, "strtoull(\"18446744073709551615\") == ~0ull:"); s = mach_absolute_time(); for (i = cnt; i; i--) { func(); } print_result(s, "Empty function call:"); #ifdef __BLOCKS__ s = mach_absolute_time(); for (i = cnt; i; i--) { block(); } print_result(s, "Empty block call:"); #endif s = mach_absolute_time(); for (i = cnt; i; i--) { [bo method]; } print_result(s, "Empty ObjC call:"); s = mach_absolute_time(); for (i = cnt; i; i--) { bc->virtfunc(); } print_result(s, "Empty C++ virtual call:"); s = mach_absolute_time(); for (i = cnt2; i; i--) { [bo description]; } print_result2(s, "\"description\" ObjC call:"); [pool release]; pool = NULL; #if defined(__i386__) || defined(__x86_64__) s = mach_absolute_time(); for (i = cnt; i; i--) { asm("nop"); } print_result(s, "raw 'nop':"); s = mach_absolute_time(); for (i = cnt; i; i--) { asm("pause"); } print_result(s, "raw 'pause':"); s = mach_absolute_time(); for (i = cnt; i; i--) { asm("mfence"); } print_result(s, "Atomic mfence:"); s = mach_absolute_time(); for (i = cnt; i; i--) { asm("lfence"); } print_result(s, "Atomic lfence:"); s = mach_absolute_time(); for (i = cnt; i; i--) { asm("sfence"); } print_result(s, "Atomic sfence:"); s = mach_absolute_time(); for (i = cnt; i; i--) { uint64_t sidt_rval; asm("sidt %0" : "=m" (sidt_rval)); } print_result(s, "'sidt' instruction:"); s = mach_absolute_time(); for (i = cnt; i; i--) { int prev; asm volatile("cmpxchg %1,%2" : "=a" (prev) : "r" (0l), "m" (global), "0" (1l)); } print_result(s, "'cmpxchg' without the 'lock' prefix:"); #endif s = mach_absolute_time(); for (i = cnt; i; i--) { __sync_lock_test_and_set(&global, 0); } print_result(s, "Atomic xchg:"); s = mach_absolute_time(); for (i = cnt; i; i--) { __sync_val_compare_and_swap(&global, 1, 0); } print_result(s, "Atomic cmpxchg:"); s = mach_absolute_time(); for (i = cnt; i; i--) { __sync_fetch_and_add(&global, 1); } print_result(s, "Atomic increment:"); global = 0; s = mach_absolute_time(); for (i = cnt; i; i--) { OSAtomicIncrement32Barrier(&global); } print_result(s, "OSAtomic increment:"); global = 0; s = mach_absolute_time(); for (i = cnt; i; i--) { while (!__sync_bool_compare_and_swap(&global, 0, 1)) { do { #if defined(__i386__) || defined(__x86_64__) asm("pause"); #endif } while (global); } global = 0; } print_result(s, "Inlined spin lock/unlock:"); s = mach_absolute_time(); for (i = cnt; i; i--) { OSSpinLockLock(&slock); OSSpinLockUnlock(&slock); } print_result(s, "OS spin lock/unlock:"); s = mach_absolute_time(); for (i = cnt; i; i--) { r = pthread_mutex_lock(&plock); assert(r == 0); r = pthread_mutex_unlock(&plock); assert(r == 0); } print_result(s, "pthread lock/unlock:"); #ifdef __BLOCKS__ s = mach_absolute_time(); for (i = cnt; i; i--) { dispatch_sync(q, ^{ }); } print_result(s, "dispatch_sync:"); #endif s = mach_absolute_time(); for (i = cnt; i; i--) { dispatch_sync_f(q, NULL, (void (*)(void *))func); } print_result(s, "dispatch_sync_f:"); #ifdef __BLOCKS__ s = mach_absolute_time(); for (i = cnt; i; i--) { dispatch_barrier_sync(q, ^{ }); } print_result(s, "dispatch_barrier_sync:"); #endif s = mach_absolute_time(); for (i = cnt; i; i--) { dispatch_barrier_sync_f(q, NULL, (void (*)(void *))func); } print_result(s, "dispatch_barrier_sync_f:"); s = mach_absolute_time(); dispatch_apply_f(cnt, dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), NULL, (void (*)(void *, size_t))func); s += loop_cost; /* cancel out the implicit subtraction done by the next line */ print_result(s, "dispatch_apply_f():"); // we do a "double backflip" to hit the fast-path of the enqueue/dequeue logic bfs = mach_absolute_time(); dispatch_async_f(dispatch_get_main_queue(), &bf_cnt, backflip); dispatch_async_f(dispatch_get_main_queue(), &bf_cnt, backflip); dispatch_main(); } __attribute__((noinline)) void backflip_done(void) { print_result(bfs, "dispatch_async_f():"); exit(EXIT_SUCCESS); } void backflip(void *ctxt) { size_t *bf_cnt = (size_t *)ctxt; if (--(*bf_cnt)) { return dispatch_async_f(dispatch_get_main_queue(), ctxt, backflip); } backflip_done(); } libdispatch-0~svn197/testing/dispatch_timer_bit63.c0000644000175100017500000000401211505136244022055 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #include "config/config.h" #include #include #include #include #include #include "dispatch_test.h" // // There were several bugs related to sign extension / integer overflow that // were encountered during development. Create a timer whose interval has the // 63rd bit of the word set to verify that it behaves correctly. // // The expected side-effect of integer overflow would be for the timer to // fire immediately since its interval has "elapsed." If the timer does not // fire within 1s we can assume the arithmetic was performed correctly. // int main(void) { test_start("Dispatch Source Timer, bit 63"); //uint64_t interval = 0xffffffffffffffffull; uint64_t interval = 0x8000000000000001ull; dispatch_queue_t mainq = dispatch_get_main_queue(); __block int i = 0; struct timeval start_time; gettimeofday(&start_time, NULL); dispatch_source_t ds; ds = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, mainq); assert(ds); dispatch_source_set_event_handler(ds, ^{ assert(i < 1); printf("%d\n", i++); }); dispatch_source_set_timer(ds, DISPATCH_TIME_NOW, interval, 0); dispatch_resume(ds); dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 1*NSEC_PER_SEC), dispatch_get_main_queue(), ^{ test_stop(); }); dispatch_main(); return 0; } libdispatch-0~svn197/testing/summarize.c0000644000175100017500000000462611505136244020076 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #include "os_shims.h" #include #include #include int has_prefix(const char* str, const char* prefix) { return (strncmp(str, prefix, strlen(prefix)) == 0); } int print_summary(FILE* f, long total, long pass, long fail) { fprintf(f, "Total: %ld\n", total); fprintf(f, "Passed: %ld (%0.0lf%%)\n", pass, ((double)pass / (double)total) * (double)100.0); fprintf(f, "Failed: %ld (%0.0lf%%)\n", fail, ((double)fail / (double)total) * (double)100.0); fprintf(f, "\n"); return 0; } int main(int argc, char* argv[]) { if (argc > 1) { fprintf(stderr, "%s: usage: summarize\n", argv[0]); exit(1); } /* FILE* f = fopen(argv[1], "w"); if (f == NULL) { perror(argv[1]); exit(1); } */ FILE* f = stdout; fprintf(f, "\n==================================================\n"); fprintf(f, "[SUMMARY] Test Summary\n"); fprintf(f, "==================================================\n\n"); size_t len; char* ln; long total = 0; long pass = 0; long fail = 0; long total_total = 0; long total_pass = 0; long total_fail = 0; for(;;) { ln = fgetln(stdin, &len); //if (ln) fprintf(stdout, "%.*s", (int)len, ln); if (ln == NULL || has_prefix(ln, "[TEST]")) { if (total) { print_summary(f, total, pass, fail); } total_total += total; total_pass += pass; total_fail += fail; total = 0; pass = 0; fail = 0; if (ln) { fprintf(f, "%.*s", (int)len, ln); } else { fprintf(f, "[TOTAL]\n"); print_summary(f, total_total, total_pass, total_fail); break; } } else if (has_prefix(ln, "[PASS]")) { ++total; ++pass; } else if (has_prefix(ln, "[FAIL]")) { ++total; ++fail; } } return (total_fail ? EXIT_FAILURE : EXIT_SUCCESS); } libdispatch-0~svn197/testing/Makefile.darwin0000644000175100017500000000657211505136244020643 0ustar mheilymheily# No workie: dispatch_sema MAKECMD= $(MAKE) -f Makefile.darwin TESTS= dispatch_apply \ dispatch_api \ dispatch_c99 \ dispatch_cffd \ dispatch_debug \ queue_finalizer \ dispatch_group \ dispatch_pingpong \ dispatch_plusplus \ dispatch_priority \ dispatch_priority2 \ dispatch_proc \ dispatch_read \ dispatch_after \ dispatch_sema \ dispatch_timer_bit31 \ dispatch_timer_bit63 \ dispatch_starfish \ dispatch_cascade \ dispatch_drift \ dispatch_readsync \ nsoperation all: harness summarize bench $(TESTS) @lipo -remove x86_64 -output dispatch_timer_bit31 dispatch_timer_bit31 2>/dev/null || true logs: $(addsuffix .testlog, $(TESTS)) debuglogs: $(addsuffix .debuglog, $(TESTS)) testbots: $(MAKECMD) test test: clean-logs $(MAKECMD) _test _test: all logs debuglogs @cat *.testlog *.debuglog @cat *.testlog *.debuglog | ./summarize # Override ARCHS and SDKROOT to cross-build test suite SRCS = dispatch_test.c OBJS = $(SRCS:%.c=%.o) ARCHS=i386 x86_64 ppc CFLAGS = -Werror -Wall -Wextra -Wshadow -mdynamic-no-pic -Os -g $(patsubst %, -arch %,$(ARCHS)) -DDISPATCH_NO_LEGACY -I.. CPPFLAGS = $(CFLAGS) LDFLAGS = $(patsubst %, -arch %,$(ARCHS)) LDLIBS = -lstdc++ ifneq ($(SDKROOT),) CFLAGS += -isysroot $(SDKROOT) LDFLAGS += -isysroot $(SDKROOT) CC = xcrun -sdk $(SDKROOT) gcc endif harness: harness.o $(OBJS) summarize: summarize.o bench: bench.o func.o $(CC) $(LDFLAGS) -framework Foundation $(LDLIBS) -o $@ $^ bench.o: bench.mm $(CC) -x objective-c++ $(CFLAGS) -c $^ -o $@ func.o: func.c $(CC) -x c++ $(CFLAGS) -c $^ -o $@ dispatch_apply: dispatch_apply.o $(OBJS) dispatch_api: dispatch_api.o $(OBJS) dispatch_c99: dispatch_c99.o $(OBJS) dispatch_cffd: dispatch_cffd.o $(OBJS) $(CC) $(LDFLAGS) -framework CoreFoundation -o $@ $^ dispatch_debug: dispatch_debug.o $(OBJS) dispatch_group: dispatch_group.o $(OBJS) dispatch_pingpong: dispatch_pingpong.o $(OBJS) dispatch_plusplus: dispatch_plusplus.o $(OBJS) dispatch_priority: dispatch_priority.o $(OBJS) dispatch_priority2: dispatch_priority2.o $(OBJS) dispatch_proc: dispatch_proc.o $(OBJS) queue_finalizer: queue_finalizer.o $(OBJS) dispatch_read: dispatch_read.o $(OBJS) dispatch_read2: dispatch_read2.o $(OBJS) dispatch_after: dispatch_after.o $(OBJS) dispatch_timer: dispatch_timer.o $(OBJS) dispatch_suspend_timer: dispatch_suspend_timer.o $(OBJS) dispatch_sema: dispatch_sema.o $(OBJS) dispatch_timer_bit31: dispatch_timer_bit31.o $(OBJS) dispatch_timer_bit63: dispatch_timer_bit63.o $(OBJS) dispatch_drift: dispatch_drift.o $(OBJS) dispatch_starfish: dispatch_starfish.o $(OBJS) dispatch_cascade: dispatch_cascade.o $(OBJS) dispatch_readsync: dispatch_readsync.o $(OBJS) ENVIRON_nsoperation = NOLEAKS=1 nsoperation: nsoperation.o $(OBJS) $(CC) $(LDFLAGS) -framework Foundation -o $@ $^ dispatch_api.o: dispatch_api.c $(CC) -c $(CFLAGS) -include $(SDKROOT)/usr/include/dispatch/dispatch.h -pendantic -o $@ $^ dispatch_c99.o: dispatch_c99.c $(CC) -c $(CFLAGS) -std=c99 -pedantic -o $@ $^ dispatch_priority2.o: dispatch_priority.c $(CC) -c $(CFLAGS) -DUSE_SET_TARGET_QUEUE=1 -o $@ $^ $(addsuffix .testlog, $(TESTS)): harness $(TESTS) $(ENVIRON_$(basename $@)) ./harness ./$(basename $@) > $@ $(addsuffix .debuglog, $(TESTS)): harness $(TESTS) $(ENVIRON_$(basename $@)) DYLD_IMAGE_SUFFIX=_debug ./harness ./$(basename $@) > $@ clean-logs: rm -f *.testlog *.debuglog *.leakslog clean: clean-logs rm -f *.o *.dSYM bench harness summarize $(TESTS) libdispatch-0~svn197/testing/dispatch_after.c0000644000175100017500000000625011505136244021035 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #include "config/config.h" #include #include #include #include #include #include "dispatch_test.h" #include void done(void *arg __attribute__((unused))) { sleep(1); test_stop(); } int main(void) { __block dispatch_time_t time_a_min, time_a, time_a_max; __block dispatch_time_t time_b_min, time_b, time_b_max; __block dispatch_time_t time_c_min, time_c, time_c_max; test_start("Dispatch After"); dispatch_async(dispatch_get_main_queue(), ^{ time_a_min = dispatch_time(0, 5.5*NSEC_PER_SEC); time_a = dispatch_time(0, 6*NSEC_PER_SEC); time_a_max = dispatch_time(0, 6.5*NSEC_PER_SEC); dispatch_after(time_a, dispatch_get_current_queue(), ^{ dispatch_time_t now_a = dispatch_time(0, 0); test_long_less_than("can't finish faster than 5.5s", 0, now_a - time_a_min); test_long_less_than("must finish faster than 6.5s", 0, time_a_max - now_a); time_b_min = dispatch_time(0, 1.5*NSEC_PER_SEC); time_b = dispatch_time(0, 2*NSEC_PER_SEC); time_b_max = dispatch_time(0, 2.5*NSEC_PER_SEC); dispatch_after(time_b, dispatch_get_current_queue(), ^{ dispatch_time_t now_b = dispatch_time(0, 0); test_long_less_than("can't finish faster than 1.5s", 0, now_b - time_b_min); test_long_less_than("must finish faster than 2.5s", 0, time_b_max - now_b); time_c_min = dispatch_time(0, 0*NSEC_PER_SEC); time_c = dispatch_time(0, 0*NSEC_PER_SEC); time_c_max = dispatch_time(0, .5*NSEC_PER_SEC); dispatch_after(time_c, dispatch_get_current_queue(), ^{ dispatch_time_t now_c = dispatch_time(0, 0); test_long_less_than("can't finish faster than 0s", 0, now_c - time_c_min); test_long_less_than("must finish faster than .5s", 0, time_c_max - now_c); dispatch_async_f(dispatch_get_current_queue(), NULL, done); }); }); }); }); dispatch_main(); return 0; } libdispatch-0~svn197/testing/dispatch_proc.c0000644000175100017500000000600711505136244020677 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #include "config/config.h" #include #include #include #include #include #include #include #include #include "dispatch_test.h" #define PID_CNT 5 static long event_cnt; int main(void) { dispatch_source_t proc; int res; pid_t pid; test_start("Dispatch Proc"); // Creates a process and register multiple observers. Send a signal, // exit the process, etc., and verify all observers were notified. // // Simple child process that sleeps 2 seconds. // posix_spawnattr_t attr; res = posix_spawnattr_init(&attr); assert(res == 0); res = posix_spawnattr_setflags(&attr, POSIX_SPAWN_START_SUSPENDED); assert(res == 0); char* args[] = { "/bin/sleep", "2", NULL }; res = posix_spawnp(&pid, args[0], NULL, &attr, args, NULL); if (res < 0) { perror(args[0]); exit(127); } res = posix_spawnattr_destroy(&attr); assert(res == 0); dispatch_queue_t completion = dispatch_queue_create("completion", NULL); assert(pid > 0); // // Suspend the "completion" queue when each observer is created. // Each observer resumes the queue when the child process exits. // If the queue is resumed too few times (indicating that not all // observers received the exit event) then the test case will not exit // within the alloted time and result in failure. // int i; for (i = 0; i < PID_CNT; ++i) { dispatch_suspend(completion); proc = dispatch_source_create(DISPATCH_SOURCE_TYPE_PROC, pid, DISPATCH_PROC_EXIT, dispatch_get_main_queue()); test_ptr_notnull("DISPATCH_SOURCE_TYPE_PROC", proc); dispatch_source_set_event_handler(proc, ^{ long flags = dispatch_source_get_data(proc); test_long("DISPATCH_PROC_EXIT", flags, DISPATCH_PROC_EXIT); event_cnt++; dispatch_release(proc); dispatch_resume(completion); }); dispatch_resume(proc); } // // The completion block will be pending on the completion queue until it // has been fully resumed, at which point the test will exit successfully. // dispatch_async(completion, ^{ int status; int res2 = waitpid(pid, &status, 0); assert(res2 != -1); test_long("Sub-process exited", WEXITSTATUS(status) | WTERMSIG(status), 0); test_long("Event count", event_cnt, PID_CNT); test_stop(); }); kill(pid, SIGCONT); dispatch_main(); return 0; } libdispatch-0~svn197/testing/dispatch_c99.c0000644000175100017500000000215311505136244020336 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #include "config/config.h" #include #include #include "dispatch_test.h" void work(void *context __attribute__((unused))) { test_stop(); exit(0); } int main(void) { test_start("Dispatch C99"); dispatch_queue_t q = dispatch_get_main_queue(); test_ptr_notnull("dispatch_get_main_queue", q); dispatch_async_f(dispatch_get_main_queue(), NULL, work); dispatch_main(); return 0; } libdispatch-0~svn197/testing/dispatch_readsync.c0000644000175100017500000000341411505136244021543 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #include "config/config.h" #include #define __DISPATCH_INDIRECT__ #include "src/queue_private.h" #include #include #include #include #include #include "dispatch_test.h" #define LAPS 10000 #define INTERVAL 100 static size_t r_count = LAPS; static size_t w_count = LAPS / INTERVAL; static void writer(void *ctxt __attribute__((unused))) { if (--w_count == 0) { if (r_count == 0) { test_stop(); } } } static void reader(void *ctxt __attribute__((unused))) { if (__sync_sub_and_fetch(&r_count, 1) == 0) { if (r_count == 0) { test_stop(); } } } int main(void) { dispatch_queue_t dq; test_start("Dispatch Reader/Writer Queues"); dq = dispatch_queue_create("com.apple.libdispatch.test_readsync", NULL); assert(dq); dispatch_queue_set_width(dq, LONG_MAX); dispatch_apply(LAPS, dispatch_get_global_queue(0, 0), ^(size_t idx) { dispatch_sync_f(dq, NULL, reader); if (idx % INTERVAL) { dispatch_barrier_async_f(dq, NULL, writer); } }); dispatch_release(dq); dispatch_main(); } libdispatch-0~svn197/testing/queue_finalizer.c0000644000175100017500000000265211505136244021246 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #include "config/config.h" #include #include #include #include #include #include #include "dispatch_test.h" void *ctxt_magic; static void finalizer(void *ctxt) { test_ptr("finalizer ran", ctxt, ctxt_magic); test_stop(); } int main(void) { test_start("Dispatch Queue Finalizer"); #ifdef __LP64__ ctxt_magic = (void*)((uintptr_t)arc4random() << 32 | arc4random()); #else ctxt_magic = (void*)arc4random(); #endif dispatch_queue_t q = dispatch_queue_create(NULL, NULL); test_ptr_notnull("dispatch_queue_new", q); dispatch_set_context(q, ctxt_magic); dispatch_set_finalizer_f(q, finalizer); dispatch_release(q); dispatch_main(); return 0; } libdispatch-0~svn197/testing/dispatch_api.c0000644000175100017500000000216511505136244020506 0ustar mheilymheily/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ #include "config/config.h" #include #include #include "dispatch_test.h" void work(void *context __attribute__((unused))) { test_stop(); exit(0); } int main(void) { test_start("Dispatch (Public) API"); dispatch_queue_t q = dispatch_get_main_queue(); test_ptr_notnull("dispatch_get_main_queue", q); dispatch_async_f(dispatch_get_main_queue(), NULL, work); dispatch_main(); return 0; } libdispatch-0~svn197/testing/Makefile.am0000644000175100017500000000320711505136244017744 0ustar mheilymheily# # # noinst_LTLIBRARIES=libtest.la libtest_la_SOURCES= \ dispatch_test.c \ shims/asprintf.c \ shims/arc4random.c \ shims/fgetln.c TESTS= \ dispatch_api \ dispatch_c99 \ dispatch_cascade \ dispatch_debug \ dispatch_priority \ dispatch_priority2 \ dispatch_starfish \ queue_finalizer dispatch_c99_CFLAGS=-std=c99 dispatch_priority2_SOURCES=dispatch_priority.c dispatch_priority2_CFLAGS=-DUSE_SET_TARGET_QUEUE=1 if HAVE_CBLOCKS CBLOCKS_TESTS= \ dispatch_after \ dispatch_apply \ dispatch_drift \ dispatch_group \ dispatch_pingpong \ dispatch_read \ dispatch_readsync \ dispatch_sema \ dispatch_timer_bit31 \ dispatch_timer_bit63 endif TESTS+=$(CBLOCKS_TESTS) if HAVE_CXXBLOCKS CXXBLOCKS_TESTS= \ dispatch_plusplus dispatch_plusplus_SOURCES=dispatch_plusplus.cpp endif TESTS+=$(CXXBLOCKS_TESTS) if HAVE_CORESERVICES CORESERVICES_TESTS= \ dispatch_cffd dispatch_cffd_LDFLAGS=-framework CoreFoundation endif TESTS+=$(CORESERVICES_TESTS) if HAVE_POSIX_SPAWN_START_SUSPENDED POSIX_SPAWN_START_SUSPENDED_TESTS= \ dispatch_proc endif TESTS+=$(POSIX_SPAWN_START_SUSPENDED_TESTS) if USE_LEGACY_API LEGACY_TESTS= \ dispatch_timer_set_time endif TESTS+=$(LEGACY_TESTS) # # XXX: By broken, we mean non-portable. We should instead test for the OS # features they depend on, or port them as required. # BROKEN_TOOLS= \ harness \ nsoperation noinst_PROGRAMS=$(TESTS) TOOLS= \ summarize noinst_PROGRAMS+=$(TOOLS) INCLUDES=-I$(top_builddir) -I$(top_srcdir) LDADD=libtest.la ../src/libdispatch.la CFLAGS=-Wall $(MARCH_FLAGS) $(CBLOCKS_FLAGS) CXXFLAGS=-Wall $(MARCH_FLAGS) $(CXXBLOCKS_FLAGS) libdispatch-0~svn197/testing/func.c0000644000175100017500000000013111505136244017000 0ustar mheilymheilyextern "C" { void func(void) { } #ifdef __BLOCKS__ void (^block)(void) = ^{ }; #endif }; libdispatch-0~svn197/testing/leaks-wrapper0000755000175100017500000000026111505136244020410 0ustar mheilymheily#!/bin/sh /usr/bin/leaks "$@" 2>&1 | tee "$@.leakslog" | grep -q " 0 leaks for 0 total leaked bytes" if [ $? -eq 0 ]; then rm "$@.leakslog" exit 0 else exit $? fi libdispatch-0~svn197/aclocal.m40000644000175100017500000010742611505136266016107 0ustar mheilymheily# generated automatically by aclocal 1.11.1 -*- Autoconf -*- # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, # 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc. # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY, to the extent permitted by law; without # even the implied warranty of MERCHANTABILITY or FITNESS FOR A # PARTICULAR PURPOSE. m4_ifndef([AC_AUTOCONF_VERSION], [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.67],, [m4_warning([this file was generated for autoconf 2.67. 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We just wanted to have am__tar # and am__untar set. test -n "${am_cv_prog_tar_$1}" && break # tar/untar a dummy directory, and stop if the command works rm -rf conftest.dir mkdir conftest.dir echo GrepMe > conftest.dir/file AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar]) rm -rf conftest.dir if test -s conftest.tar; then AM_RUN_LOG([$am__untar /dev/null 2>&1 && break fi done rm -rf conftest.dir AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool]) AC_MSG_RESULT([$am_cv_prog_tar_$1])]) AC_SUBST([am__tar]) AC_SUBST([am__untar]) ]) # _AM_PROG_TAR m4_include([m4/atomic.m4]) m4_include([m4/blocks.m4]) m4_include([m4/libtool.m4]) m4_include([m4/ltoptions.m4]) m4_include([m4/ltsugar.m4]) m4_include([m4/ltversion.m4]) m4_include([m4/lt~obsolete.m4]) m4_include([m4/pkg.m4]) m4_include([m4/private-extern.m4]) libdispatch-0~svn197/libdispatch.plist0000644000175100017500000000104511505136244017574 0ustar mheilymheily// !$*UTF8*$! { build = libdispatch; inherits = 10C540; projects = { libdispatch = { branch = "/trunk"; dependencies = { build = ( bootstrap_cmds, cctools, file_cmds, gcc, gcc_select, shell_cmds, system_cmds, text_cmds, ); lib = ( ICU, Libsystem, xnu, ); header = ( CarbonHeaders, Libc_headers, Libsyscall, libclosure, ); }; source_sites = ( "http://svn.macosforge.org/repository/libdispatch/", ); version = 1; }; }; } libdispatch-0~svn197/LICENSE0000644000175100017500000002613611505136244015246 0ustar mheilymheily Apache License Version 2.0, January 2004 http://www.apache.org/licenses/ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 1. 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See the License for the specific language governing permissions and limitations under the License. libdispatch-0~svn197/configure.ac0000644000175100017500000001730411505136244016524 0ustar mheilymheily# # When this file changes, rerun autogen.sh. # AC_PREREQ(2.59) AC_INIT([libdispatch], [1.0], [libdispatch@macosforge.org], [libdispatch]) AC_REVISION([$$]) AC_CONFIG_AUX_DIR(config) AC_CONFIG_HEADER([config/config.h]) AC_CONFIG_MACRO_DIR([m4]) AC_USE_SYSTEM_EXTENSIONS AM_MAINTAINER_MODE # # On Mac OS X, some required header files come from other source packages; # allow specifying where those are. # AC_ARG_WITH([apple-libc-source], [AS_HELP_STRING([--with-apple-libc-source], [Specify path to Apple Libc source])], [apple_libc_source_path=${withval}/pthreads APPLE_LIBC_SOURCE_PATH=-I$apple_libc_source_path CPPFLAGS="$CPPFLAGS -I$apple_libc_source_path"], [APPLE_LIBC_SOURCE_PATH=] ) AC_SUBST([APPLE_LIBC_SOURCE_PATH]) AC_ARG_WITH([apple-xnu-source], [AS_HELP_STRING([--with-apple-xnu-source], [Specify path to Apple XNU source])], [apple_xnu_source_path=${withval}/libkern APPLE_XNU_SOURCE_PATH=-I$apple_xnu_source_path CPPFLAGS="$CPPFLAGS -I$apple_xnu_source_path"], [APPLE_XNU_SOURCE_PATH=] ) AC_SUBST([APPLE_XNU_SOURCE_PATH]) AC_CACHE_CHECK([for System.framework/PrivateHeaders], dispatch_cv_system_privateheaders, [AS_IF([test -d /System/Library/Frameworks/System.framework/PrivateHeaders], [dispatch_cv_system_privateheaders=yes], [dispatch_cv_system_privateheaders=no])] ) AS_IF([test "x$dispatch_cv_system_privateheaders" != "xno"], [CPPFLAGS="$CPPFLAGS -I/System/Library/Frameworks/System.framework/PrivateHeaders"] ) # # Try to build the legacy API only if specifically requested. # AC_ARG_ENABLE([legacy-api], [AS_HELP_STRING([--enable-legacy-api], [Enable legacy (deprecated) API.])] ) AS_IF([test "x$enable_legacy_api" != "xyes"], [use_legacy_api=false AC_DEFINE(DISPATCH_NO_LEGACY, 1,[Define to compile out legacy API])], [use_legacy_api=true] ) AM_CONDITIONAL(USE_LEGACY_API, $use_legacy_api) # # On Mac OS X Snow Leopard, libpispatch_init is automatically invoked during # libsyscall process setup. On other systems, it is tagged as a library # constructor to be run by automatically by the runtime linker. # AC_ARG_ENABLE([libdispatch-init-constructor], [AS_HELP_STRING([--disable-libdispatch-init-constructor], [Disable libdispatch_init as a constructor])] ) AS_IF([test "x$enable_libdispatch_init_constructor" != "xno"], [AC_DEFINE(USE_LIBDISPATCH_INIT_CONSTRUCTOR, 1, [Define to tag libdispatch_init as a constructor])] ) # # Whether or not to include/reference a crashreporter symbol. # AC_ARG_ENABLE([apple-crashreporter-info], [AS_HELP_STRING([--enable-apple-crashreporter-info], [Use Mac OS X crashreporter info])] ) AS_IF([test "x$enable_apple_crashreporter_info" = "xyes"], [AC_DEFINE(USE_APPLE_CRASHREPORTER_INFO, 1, [Define to use Mac OS X crashreporter info])] ) # # libdispatch has micro-optimized and deeply personal knowledge of Mac OS # implementation details. Only enable this if explicitly requested, as it # will lead to data corruption if applied on systems violating its # expectations. # AC_ARG_ENABLE([apple-tsd-optimizations], [AS_HELP_STRING([--enable-apple-tsd-optimizations], [Use non-portable pthread TSD optimizations for Mac OS X.])] ) AS_IF([test "x$enable_apple_tsd_optimizations" = "xyes"], [AC_DEFINE(USE_APPLE_TSD_OPTIMIZATIONS, 1, [Define to use non-portable pthread TSD optimizations for Mac OS X)])] ) AC_ARG_ENABLE([apple-semaphore-optimizations], [AS_HELP_STRING([--enable-apple-semaphore-optimizations], [Use non-portable semaphore optimizations for Mac OS X.])] ) AS_IF([test "x$enable_apple_semaphore_optimizations" = "xyes"], [AC_DEFINE(USE_APPLE_SEMAPHORE_OPTIMIZATIONS, 1, [Define to use non-portablesemaphore optimizations for Mac OS X])] ) AC_USE_SYSTEM_EXTENSIONS AC_PROG_CC AC_PROG_CXX AC_PROG_INSTALL AC_PROG_LIBTOOL AC_PATH_PROGS(MIG, mig) AC_PATH_PROG(LEAKS, leaks) AS_IF([test "x$LEAKS" != "x"], [AC_DEFINE(HAVE_LEAKS, 1, [Define if Apple leaks program is present])] ) AM_INIT_AUTOMAKE([foreign]) DISPATCH_C_ATOMIC_BUILTINS case $dispatch_cv_atomic in yes) ;; -march*) MARCH_FLAGS="$dispatch_cv_atomic" AC_SUBST([MARCH_FLAGS]) ;; *) AC_MSG_ERROR([No gcc builtin atomic operations available]) ;; esac # # Find libraries we will need # AC_SEARCH_LIBS(clock_gettime, rt) AC_SEARCH_LIBS(pthread_create, pthread) # # Prefer native kqueue(2); otherwise use libkqueue if present. # AC_CHECK_HEADER(sys/event.h, [], [PKG_CHECK_MODULES(KQUEUE, libkqueue)] ) # # Checks for header files. # AC_HEADER_STDC AC_CHECK_HEADERS([TargetConditionals.h pthread_machdep.h pthread_np.h malloc/malloc.h libkern/OSCrossEndian.h libkern/OSAtomic.h sys/sysctl.h]) # # Core Services is tested in one of the GCD regression tests, so test for its # presence using its header file. # AC_CHECK_HEADER([CoreServices/CoreServices.h], [have_coreservices=true], [have_coreservices=false] ) AM_CONDITIONAL(HAVE_CORESERVICES, $have_coreservices) # # We use the availability of mach.h to decide whether to compile in all sorts # of Machisms, including using Mach ports as event sources, etc. # AC_CHECK_HEADER([mach/mach.h], [AC_DEFINE(HAVE_MACH, 1,Define if mach is present) have_mach=true], [have_mach=false] ) AM_CONDITIONAL(USE_MIG, $have_mach) # # We use the availability of pthread_workqueue.h to decide whether to compile # in support for pthread work queues. # AC_CHECK_HEADER([pthread_workqueue.h], [AC_DEFINE(HAVE_PTHREAD_WORKQUEUES, 1,Define if pthread work queues are present)] ) # # Check if libpthread_workqueue.so exists # AC_CHECK_LIB(pthread_workqueue, pthread_workqueue_init_np, have_lpwq=true, have_lpwq=false) AM_CONDITIONAL(USE_LIBPTHREAD_WORKQUEUE, $have_lpwq) # # Find functions and declarations we care about. # AC_CHECK_DECLS([CLOCK_UPTIME, CLOCK_MONOTONIC, CLOCK_REALTIME], [], [], [[#include ]]) AC_CHECK_DECLS([EVFILT_LIO, EVFILT_SESSION, NOTE_NONE, NOTE_REAP, NOTE_REVOKE, NOTE_SIGNAL], [], [], [[#include #include ]]) AC_CHECK_DECLS([FD_COPY], [], [], [[#include ]]) AC_CHECK_DECLS([SIGEMT], [], [], [[#include ]]) AC_CHECK_DECLS([VQ_UPDATE, VQ_VERYLOWDISK], [], [], [[#include ]]) AC_CHECK_DECLS([program_invocation_short_name], [], [], [[#include ]]) AC_CHECK_FUNCS([pthread_key_init_np pthread_main_np mach_absolute_time malloc_create_zone sysconf getprogname getexecname vasprintf asprintf arc4random fgetln]) AC_CHECK_DECLS([POSIX_SPAWN_START_SUSPENDED], [have_posix_spawn_start_suspended=true], [have_posix_spawn_start_suspended=false], [[#include ]] ) AM_CONDITIONAL(HAVE_POSIX_SPAWN_START_SUSPENDED, $have_posix_spawn_start_suspended) AC_CHECK_FUNC([sem_init], [have_sem_init=true], [have_sem_init=false] ) # # We support both Mach semaphores and POSIX semaphores; if the former are # available, prefer them. # AC_MSG_CHECKING([what semaphore type to use]); AS_IF([test "x$have_mach" = "xtrue"], [AC_DEFINE(USE_MACH_SEM, 1,[Define to use Mach semaphores]) AC_MSG_RESULT([Mach semaphores])], [test "x$have_sem_init" = "xtrue"], [AC_DEFINE(USE_POSIX_SEM, 1,[Define to use POSIX semaphores]) AC_MSG_RESULT([POSIX semaphores])], [AC_MSG_ERROR([no supported semaphore type])] ) AC_CHECK_HEADERS([sys/cdefs.h], [], [], [#ifdef HAVE_SYS_CDEFS_H #include #endif]) DISPATCH_C_PRIVATE_EXTERN DISPATCH_C_BLOCKS # # Temporary: some versions of clang do not mark __builtin_trap() as # __attribute__((__noreturn__)). Detect and add if required. # AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([void __attribute__((__noreturn__)) temp(void) { __builtin_trap(); }], [])], [ AC_DEFINE(HAVE_NORETURN_BUILTIN_TRAP, 1,[Define if __builtin_trap marked noreturn]) ], []) # # Generate Makefiles. # AC_CONFIG_FILES([Makefile dispatch/Makefile man/Makefile src/Makefile testing/Makefile]) AC_OUTPUT libdispatch-0~svn197/INSTALL0000644000175100017500000000621611505136244015267 0ustar mheilymheilyGrand Central Dispatch (GCD) GCD is a concurrent programming framework first shipped with Mac OS X Snow Leopard. This package is an open source bundling of libdispatch, the core user space library implementing GCD. At the time of writing, support for the BSD kqueue API, and specifically extensions introduced in Mac OS X Snow Leopard and FreeBSD 9-CURRENT, are required to use libdispatch. Other systems are currently unsupported. Configuring and installing libdispatch GCD is built using autoconf, automake, and libtool, and has a number of compile-time configuration options that should be reviewed before starting. An uncustomized install requires: ./configure make make install The following configure options may be of general interest: --with-apple-libc-source Specify the path to Apple's Libc package, so that appropriate headers can be found and used. --with-apple-xnu-source Specify the path to Apple's XNU package, so that appropriate headers can be found and used. --with-blocks-runtime On systems where -fblocks is supported, specify an additional library path in which libBlocksRuntime can be found. This is not required on Mac OS X, where the Blocks runtime is included in libSystem, but is required on FreeBSD. Some sites will wish to build using a non-default C compiler; for example, this is desirable on FreeBSD so that libdispatch is built with clang and blocks support. A typically FreeBSD configuration will use: CC=clang ./configure --with-blocks-runtime=/usr/local/lib make make install The following options are likely only to be required if building libdispatch as part of Mac OS X's libSystem: --enable-legacy-api Enable a legacy (deprecated) API used by some early GCD applications. --disable-libdispatch-init-constructor Do not tag libdispatch's init routine as __constructor, in which case it must be run manually before libdispatch routines can be called. For the libdispatch code compiled directly into libSystem, the init routine is called automatically during process start. --enable-apple-crashreporter-info Set global variables during a libdispatch crash to provide additional debugging information for CrashReporter. --enable-apple-tsd-optimizations Use a non-portable allocation scheme for pthread per-thread data (TSD) keys when built into libSystem on Mac OS X. This should not be used on other OS's, nor on Mac OS X when building as a stand-alone library. --enable-apple-semaphore-optimizations libdispatch contains hand-optimized assembly for use with libdispatch semaphores. Typical configuration commands The following command lines create the default config.h required to build libdispatch with libSystem in Mac OS X Snow Leopard: sh autogen.sh ./configure \ --with-apple-libc-source=/path/to/10.6.0/Libc-583 \ --with-apple-xnu-source=/path/to/10.6.0/xnu-1456.1.26 \ --enable-legacy-api \ --disable-libdispatch-init-constructor \ --enable-apple-crashreporter-info \ --enable-apple-tsd-optimizations \ --enable-apple-semaphore-optimizations Typical configuration line for FreeBSD 8.x and 9.x: sh autogen.sh CC=clang ./configure --with-blocks-runtime=/usr/local/lib libdispatch-0~svn197/Makefile.am0000644000175100017500000000012011505136244016256 0ustar mheilymheily# # # ACLOCAL_AMFLAGS = -I m4 SUBDIRS= \ dispatch \ man \ src \ testing libdispatch-0~svn197/autogen.sh0000644000175100017500000000003211505136244016222 0ustar mheilymheily#!/bin/sh autoreconf -fvi libdispatch-0~svn197/Makefile.in0000644000175100017500000005512111505136271016302 0ustar mheilymheily# Makefile.in generated by automake 1.11.1 from Makefile.am. # @configure_input@ # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, # 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, # Inc. # This Makefile.in is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY, to the extent permitted by law; without # even the implied warranty of MERCHANTABILITY or FITNESS FOR A # PARTICULAR PURPOSE. @SET_MAKE@ VPATH = @srcdir@ pkgdatadir = $(datadir)/@PACKAGE@ pkgincludedir = $(includedir)/@PACKAGE@ pkglibdir = $(libdir)/@PACKAGE@ pkglibexecdir = $(libexecdir)/@PACKAGE@ am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd install_sh_DATA = $(install_sh) -c -m 644 install_sh_PROGRAM = $(install_sh) -c install_sh_SCRIPT = $(install_sh) -c INSTALL_HEADER = $(INSTALL_DATA) transform = $(program_transform_name) NORMAL_INSTALL = : PRE_INSTALL = : POST_INSTALL = : NORMAL_UNINSTALL = : PRE_UNINSTALL = : POST_UNINSTALL = : build_triplet = @build@ host_triplet = @host@ subdir = . 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" >&6; } if test "${ac_cv_prog_ac_ct_DUMPBIN+set}" = set; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_DUMPBIN"; then ac_cv_prog_ac_ct_DUMPBIN="$ac_ct_DUMPBIN" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then ac_cv_prog_ac_ct_DUMPBIN="$ac_prog" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_DUMPBIN=$ac_cv_prog_ac_ct_DUMPBIN if test -n "$ac_ct_DUMPBIN"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DUMPBIN" >&5 $as_echo "$ac_ct_DUMPBIN" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi test -n "$ac_ct_DUMPBIN" && break done if test "x$ac_ct_DUMPBIN" = x; then DUMPBIN=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac DUMPBIN=$ac_ct_DUMPBIN fi fi if test "$DUMPBIN" != ":"; then NM="$DUMPBIN" fi fi test -z "$NM" && NM=nm { $as_echo "$as_me:${as_lineno-$LINENO}: checking the name lister ($NM) interface" >&5 $as_echo_n "checking the name lister ($NM) interface... " >&6; } if test "${lt_cv_nm_interface+set}" = set; then : $as_echo_n "(cached) " >&6 else lt_cv_nm_interface="BSD nm" echo "int some_variable = 0;" > conftest.$ac_ext (eval echo "\"\$as_me:5439: $ac_compile\"" >&5) (eval "$ac_compile" 2>conftest.err) cat conftest.err >&5 (eval echo "\"\$as_me:5442: $NM \\\"conftest.$ac_objext\\\"\"" >&5) (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out) cat conftest.err >&5 (eval echo "\"\$as_me:5445: output\"" >&5) cat conftest.out >&5 if $GREP 'External.*some_variable' conftest.out > /dev/null; then lt_cv_nm_interface="MS dumpbin" fi rm -f conftest* fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_nm_interface" >&5 $as_echo "$lt_cv_nm_interface" >&6; } { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ln -s works" >&5 $as_echo_n "checking whether ln -s works... " >&6; } LN_S=$as_ln_s if test "$LN_S" = "ln -s"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 $as_echo "yes" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no, using $LN_S" >&5 $as_echo "no, using $LN_S" >&6; } fi # find the maximum length of command line arguments { $as_echo "$as_me:${as_lineno-$LINENO}: checking the maximum length of command line arguments" >&5 $as_echo_n "checking the maximum length of command line arguments... " >&6; } if test "${lt_cv_sys_max_cmd_len+set}" = set; then : $as_echo_n "(cached) " >&6 else i=0 teststring="ABCD" case $build_os in msdosdjgpp*) # On DJGPP, this test can blow up pretty badly due to problems in libc # (any single argument exceeding 2000 bytes causes a buffer overrun # during glob expansion). Even if it were fixed, the result of this # check would be larger than it should be. lt_cv_sys_max_cmd_len=12288; # 12K is about right ;; gnu*) # Under GNU Hurd, this test is not required because there is # no limit to the length of command line arguments. # Libtool will interpret -1 as no limit whatsoever lt_cv_sys_max_cmd_len=-1; ;; cygwin* | mingw* | cegcc*) # On Win9x/ME, this test blows up -- it succeeds, but takes # about 5 minutes as the teststring grows exponentially. # Worse, since 9x/ME are not pre-emptively multitasking, # you end up with a "frozen" computer, even though with patience # the test eventually succeeds (with a max line length of 256k). # Instead, let's just punt: use the minimum linelength reported by # all of the supported platforms: 8192 (on NT/2K/XP). lt_cv_sys_max_cmd_len=8192; ;; amigaos*) # On AmigaOS with pdksh, this test takes hours, literally. # So we just punt and use a minimum line length of 8192. lt_cv_sys_max_cmd_len=8192; ;; netbsd* | freebsd* | openbsd* | darwin* | dragonfly*) # This has been around since 386BSD, at least. Likely further. if test -x /sbin/sysctl; then lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax` elif test -x /usr/sbin/sysctl; then lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax` else lt_cv_sys_max_cmd_len=65536 # usable default for all BSDs fi # And add a safety zone lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` ;; interix*) # We know the value 262144 and hardcode it with a safety zone (like BSD) lt_cv_sys_max_cmd_len=196608 ;; osf*) # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not # nice to cause kernel panics so lets avoid the loop below. # First set a reasonable default. lt_cv_sys_max_cmd_len=16384 # if test -x /sbin/sysconfig; then case `/sbin/sysconfig -q proc exec_disable_arg_limit` in *1*) lt_cv_sys_max_cmd_len=-1 ;; esac fi ;; sco3.2v5*) lt_cv_sys_max_cmd_len=102400 ;; sysv5* | sco5v6* | sysv4.2uw2*) kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null` if test -n "$kargmax"; then lt_cv_sys_max_cmd_len=`echo $kargmax | sed 's/.*[ ]//'` else lt_cv_sys_max_cmd_len=32768 fi ;; *) lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null` if test -n "$lt_cv_sys_max_cmd_len"; then lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` else # Make teststring a little bigger before we do anything with it. # a 1K string should be a reasonable start. for i in 1 2 3 4 5 6 7 8 ; do teststring=$teststring$teststring done SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}} # If test is not a shell built-in, we'll probably end up computing a # maximum length that is only half of the actual maximum length, but # we can't tell. while { test "X"`$SHELL $0 --fallback-echo "X$teststring$teststring" 2>/dev/null` \ = "XX$teststring$teststring"; } >/dev/null 2>&1 && test $i != 17 # 1/2 MB should be enough do i=`expr $i + 1` teststring=$teststring$teststring done # Only check the string length outside the loop. lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1` teststring= # Add a significant safety factor because C++ compilers can tack on # massive amounts of additional arguments before passing them to the # linker. It appears as though 1/2 is a usable value. lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2` fi ;; esac fi if test -n $lt_cv_sys_max_cmd_len ; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sys_max_cmd_len" >&5 $as_echo "$lt_cv_sys_max_cmd_len" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: none" >&5 $as_echo "none" >&6; } fi max_cmd_len=$lt_cv_sys_max_cmd_len : ${CP="cp -f"} : ${MV="mv -f"} : ${RM="rm -f"} { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the shell understands some XSI constructs" >&5 $as_echo_n "checking whether the shell understands some XSI constructs... " >&6; } # Try some XSI features xsi_shell=no ( _lt_dummy="a/b/c" test "${_lt_dummy##*/},${_lt_dummy%/*},"${_lt_dummy%"$_lt_dummy"}, \ = c,a/b,, \ && eval 'test $(( 1 + 1 )) -eq 2 \ && test "${#_lt_dummy}" -eq 5' ) >/dev/null 2>&1 \ && xsi_shell=yes { $as_echo "$as_me:${as_lineno-$LINENO}: result: $xsi_shell" >&5 $as_echo "$xsi_shell" >&6; } { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the shell understands \"+=\"" >&5 $as_echo_n "checking whether the shell understands \"+=\"... " >&6; } lt_shell_append=no ( foo=bar; set foo baz; eval "$1+=\$2" && test "$foo" = barbaz ) \ >/dev/null 2>&1 \ && lt_shell_append=yes { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_shell_append" >&5 $as_echo "$lt_shell_append" >&6; } if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then lt_unset=unset else lt_unset=false fi # test EBCDIC or ASCII case `echo X|tr X '\101'` in A) # ASCII based system # \n is not interpreted correctly by Solaris 8 /usr/ucb/tr lt_SP2NL='tr \040 \012' lt_NL2SP='tr \015\012 \040\040' ;; *) # EBCDIC based system lt_SP2NL='tr \100 \n' lt_NL2SP='tr \r\n \100\100' ;; esac { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $LD option to reload object files" >&5 $as_echo_n "checking for $LD option to reload object files... " >&6; } if test "${lt_cv_ld_reload_flag+set}" = set; then : $as_echo_n "(cached) " >&6 else lt_cv_ld_reload_flag='-r' fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_reload_flag" >&5 $as_echo "$lt_cv_ld_reload_flag" >&6; } reload_flag=$lt_cv_ld_reload_flag case $reload_flag in "" | " "*) ;; *) reload_flag=" $reload_flag" ;; esac reload_cmds='$LD$reload_flag -o $output$reload_objs' case $host_os in darwin*) if test "$GCC" = yes; then reload_cmds='$LTCC $LTCFLAGS -nostdlib ${wl}-r -o $output$reload_objs' else reload_cmds='$LD$reload_flag -o $output$reload_objs' fi ;; esac if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}objdump", so it can be a program name with args. set dummy ${ac_tool_prefix}objdump; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if test "${ac_cv_prog_OBJDUMP+set}" = set; then : $as_echo_n "(cached) " >&6 else if test -n "$OBJDUMP"; then ac_cv_prog_OBJDUMP="$OBJDUMP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then ac_cv_prog_OBJDUMP="${ac_tool_prefix}objdump" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi OBJDUMP=$ac_cv_prog_OBJDUMP if test -n "$OBJDUMP"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OBJDUMP" >&5 $as_echo "$OBJDUMP" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_OBJDUMP"; then ac_ct_OBJDUMP=$OBJDUMP # Extract the first word of "objdump", so it can be a program name with args. set dummy objdump; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if test "${ac_cv_prog_ac_ct_OBJDUMP+set}" = set; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_OBJDUMP"; then ac_cv_prog_ac_ct_OBJDUMP="$ac_ct_OBJDUMP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then ac_cv_prog_ac_ct_OBJDUMP="objdump" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_OBJDUMP=$ac_cv_prog_ac_ct_OBJDUMP if test -n "$ac_ct_OBJDUMP"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OBJDUMP" >&5 $as_echo "$ac_ct_OBJDUMP" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_OBJDUMP" = x; then OBJDUMP="false" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OBJDUMP=$ac_ct_OBJDUMP fi else OBJDUMP="$ac_cv_prog_OBJDUMP" fi test -z "$OBJDUMP" && OBJDUMP=objdump { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to recognize dependent libraries" >&5 $as_echo_n "checking how to recognize dependent libraries... " >&6; } if test "${lt_cv_deplibs_check_method+set}" = set; then : $as_echo_n "(cached) " >&6 else lt_cv_file_magic_cmd='$MAGIC_CMD' lt_cv_file_magic_test_file= lt_cv_deplibs_check_method='unknown' # Need to set the preceding variable on all platforms that support # interlibrary dependencies. # 'none' -- dependencies not supported. # `unknown' -- same as none, but documents that we really don't know. # 'pass_all' -- all dependencies passed with no checks. # 'test_compile' -- check by making test program. # 'file_magic [[regex]]' -- check by looking for files in library path # which responds to the $file_magic_cmd with a given extended regex. # If you have `file' or equivalent on your system and you're not sure # whether `pass_all' will *always* work, you probably want this one. case $host_os in aix[4-9]*) lt_cv_deplibs_check_method=pass_all ;; beos*) lt_cv_deplibs_check_method=pass_all ;; bsdi[45]*) lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)' lt_cv_file_magic_cmd='/usr/bin/file -L' lt_cv_file_magic_test_file=/shlib/libc.so ;; cygwin*) # func_win32_libid is a shell function defined in ltmain.sh lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' lt_cv_file_magic_cmd='func_win32_libid' ;; mingw* | pw32*) # Base MSYS/MinGW do not provide the 'file' command needed by # func_win32_libid shell function, so use a weaker test based on 'objdump', # unless we find 'file', for example because we are cross-compiling. if ( file / ) >/dev/null 2>&1; then lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' lt_cv_file_magic_cmd='func_win32_libid' else lt_cv_deplibs_check_method='file_magic file format pei*-i386(.*architecture: i386)?' lt_cv_file_magic_cmd='$OBJDUMP -f' fi ;; cegcc) # use the weaker test based on 'objdump'. See mingw*. lt_cv_deplibs_check_method='file_magic file format pe-arm-.*little(.*architecture: arm)?' lt_cv_file_magic_cmd='$OBJDUMP -f' ;; darwin* | rhapsody*) lt_cv_deplibs_check_method=pass_all ;; freebsd* | dragonfly*) if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then case $host_cpu in i*86 ) # Not sure whether the presence of OpenBSD here was a mistake. # Let's accept both of them until this is cleared up. lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[3-9]86 (compact )?demand paged shared library' lt_cv_file_magic_cmd=/usr/bin/file lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*` ;; esac else lt_cv_deplibs_check_method=pass_all fi ;; gnu*) lt_cv_deplibs_check_method=pass_all ;; hpux10.20* | hpux11*) lt_cv_file_magic_cmd=/usr/bin/file case $host_cpu in ia64*) lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - IA64' lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so ;; hppa*64*) lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - PA-RISC [0-9].[0-9]' lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl ;; *) lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9].[0-9]) shared library' lt_cv_file_magic_test_file=/usr/lib/libc.sl ;; esac ;; interix[3-9]*) # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|\.a)$' ;; irix5* | irix6* | nonstopux*) case $LD in *-32|*"-32 ") libmagic=32-bit;; *-n32|*"-n32 ") libmagic=N32;; *-64|*"-64 ") libmagic=64-bit;; *) libmagic=never-match;; esac lt_cv_deplibs_check_method=pass_all ;; # This must be Linux ELF. linux* | k*bsd*-gnu | kopensolaris*-gnu) lt_cv_deplibs_check_method=pass_all ;; netbsd* | netbsdelf*-gnu) if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$' else lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|_pic\.a)$' fi ;; newos6*) lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (executable|dynamic lib)' lt_cv_file_magic_cmd=/usr/bin/file lt_cv_file_magic_test_file=/usr/lib/libnls.so ;; *nto* | *qnx*) lt_cv_deplibs_check_method=pass_all ;; openbsd*) if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|\.so|_pic\.a)$' else lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$' fi ;; osf3* | osf4* | osf5*) lt_cv_deplibs_check_method=pass_all ;; rdos*) lt_cv_deplibs_check_method=pass_all ;; solaris*) lt_cv_deplibs_check_method=pass_all ;; sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) lt_cv_deplibs_check_method=pass_all ;; sysv4 | sysv4.3*) case $host_vendor in motorola) lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]' lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*` ;; ncr) lt_cv_deplibs_check_method=pass_all ;; sequent) lt_cv_file_magic_cmd='/bin/file' lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )' ;; sni) lt_cv_file_magic_cmd='/bin/file' lt_cv_deplibs_check_method="file_magic ELF [0-9][0-9]*-bit [LM]SB dynamic lib" lt_cv_file_magic_test_file=/lib/libc.so ;; siemens) lt_cv_deplibs_check_method=pass_all ;; pc) lt_cv_deplibs_check_method=pass_all ;; esac ;; tpf*) lt_cv_deplibs_check_method=pass_all ;; esac fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_deplibs_check_method" >&5 $as_echo "$lt_cv_deplibs_check_method" >&6; } file_magic_cmd=$lt_cv_file_magic_cmd deplibs_check_method=$lt_cv_deplibs_check_method test -z "$deplibs_check_method" && deplibs_check_method=unknown if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}ar", so it can be a program name with args. set dummy ${ac_tool_prefix}ar; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if test "${ac_cv_prog_AR+set}" = set; then : $as_echo_n "(cached) " >&6 else if test -n "$AR"; then ac_cv_prog_AR="$AR" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then ac_cv_prog_AR="${ac_tool_prefix}ar" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi AR=$ac_cv_prog_AR if test -n "$AR"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AR" >&5 $as_echo "$AR" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_AR"; then ac_ct_AR=$AR # Extract the first word of "ar", so it can be a program name with args. set dummy ar; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if test "${ac_cv_prog_ac_ct_AR+set}" = set; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_AR"; then ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then ac_cv_prog_ac_ct_AR="ar" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_AR=$ac_cv_prog_ac_ct_AR if test -n "$ac_ct_AR"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AR" >&5 $as_echo "$ac_ct_AR" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_AR" = x; then AR="false" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac AR=$ac_ct_AR fi else AR="$ac_cv_prog_AR" fi test -z "$AR" && AR=ar test -z "$AR_FLAGS" && AR_FLAGS=cru if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args. set dummy ${ac_tool_prefix}strip; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if test "${ac_cv_prog_STRIP+set}" = set; then : $as_echo_n "(cached) " >&6 else if test -n "$STRIP"; then ac_cv_prog_STRIP="$STRIP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then ac_cv_prog_STRIP="${ac_tool_prefix}strip" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi STRIP=$ac_cv_prog_STRIP if test -n "$STRIP"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5 $as_echo "$STRIP" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_STRIP"; then ac_ct_STRIP=$STRIP # Extract the first word of "strip", so it can be a program name with args. set dummy strip; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if test "${ac_cv_prog_ac_ct_STRIP+set}" = set; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_STRIP"; then ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then ac_cv_prog_ac_ct_STRIP="strip" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP if test -n "$ac_ct_STRIP"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5 $as_echo "$ac_ct_STRIP" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_STRIP" = x; then STRIP=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac STRIP=$ac_ct_STRIP fi else STRIP="$ac_cv_prog_STRIP" fi test -z "$STRIP" && STRIP=: if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args. set dummy ${ac_tool_prefix}ranlib; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if test "${ac_cv_prog_RANLIB+set}" = set; then : $as_echo_n "(cached) " >&6 else if test -n "$RANLIB"; then ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi RANLIB=$ac_cv_prog_RANLIB if test -n "$RANLIB"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5 $as_echo "$RANLIB" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_RANLIB"; then ac_ct_RANLIB=$RANLIB # Extract the first word of "ranlib", so it can be a program name with args. set dummy ranlib; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if test "${ac_cv_prog_ac_ct_RANLIB+set}" = set; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_RANLIB"; then ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then ac_cv_prog_ac_ct_RANLIB="ranlib" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB if test -n "$ac_ct_RANLIB"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5 $as_echo "$ac_ct_RANLIB" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_RANLIB" = x; then RANLIB=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac RANLIB=$ac_ct_RANLIB fi else RANLIB="$ac_cv_prog_RANLIB" fi test -z "$RANLIB" && RANLIB=: # Determine commands to create old-style static archives. old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs' old_postinstall_cmds='chmod 644 $oldlib' old_postuninstall_cmds= if test -n "$RANLIB"; then case $host_os in openbsd*) old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$oldlib" ;; *) old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$oldlib" ;; esac old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib" fi # If no C compiler was specified, use CC. LTCC=${LTCC-"$CC"} # If no C compiler flags were specified, use CFLAGS. LTCFLAGS=${LTCFLAGS-"$CFLAGS"} # Allow CC to be a program name with arguments. compiler=$CC # Check for command to grab the raw symbol name followed by C symbol from nm. { $as_echo "$as_me:${as_lineno-$LINENO}: checking command to parse $NM output from $compiler object" >&5 $as_echo_n "checking command to parse $NM output from $compiler object... " >&6; } if test "${lt_cv_sys_global_symbol_pipe+set}" = set; then : $as_echo_n "(cached) " >&6 else # These are sane defaults that work on at least a few old systems. # [They come from Ultrix. What could be older than Ultrix?!! ;)] # Character class describing NM global symbol codes. symcode='[BCDEGRST]' # Regexp to match symbols that can be accessed directly from C. sympat='\([_A-Za-z][_A-Za-z0-9]*\)' # Define system-specific variables. case $host_os in aix*) symcode='[BCDT]' ;; cygwin* | mingw* | pw32* | cegcc*) symcode='[ABCDGISTW]' ;; hpux*) if test "$host_cpu" = ia64; then symcode='[ABCDEGRST]' fi ;; irix* | nonstopux*) symcode='[BCDEGRST]' ;; osf*) symcode='[BCDEGQRST]' ;; solaris*) symcode='[BDRT]' ;; sco3.2v5*) symcode='[DT]' ;; sysv4.2uw2*) symcode='[DT]' ;; sysv5* | sco5v6* | unixware* | OpenUNIX*) symcode='[ABDT]' ;; sysv4) symcode='[DFNSTU]' ;; esac # If we're using GNU nm, then use its standard symbol codes. case `$NM -V 2>&1` in *GNU* | *'with BFD'*) symcode='[ABCDGIRSTW]' ;; esac # Transform an extracted symbol line into a proper C declaration. # Some systems (esp. on ia64) link data and code symbols differently, # so use this general approach. lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern int \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'" # Transform an extracted symbol line into symbol name and symbol address lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([^ ]*\) $/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([^ ]*\) \([^ ]*\)$/ {\"\2\", (void *) \&\2},/p'" lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n -e 's/^: \([^ ]*\) $/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([^ ]*\) \(lib[^ ]*\)$/ {\"\2\", (void *) \&\2},/p' -e 's/^$symcode* \([^ ]*\) \([^ ]*\)$/ {\"lib\2\", (void *) \&\2},/p'" # Handle CRLF in mingw tool chain opt_cr= case $build_os in mingw*) opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp ;; esac # Try without a prefix underscore, then with it. for ac_symprfx in "" "_"; do # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol. symxfrm="\\1 $ac_symprfx\\2 \\2" # Write the raw and C identifiers. if test "$lt_cv_nm_interface" = "MS dumpbin"; then # Fake it for dumpbin and say T for any non-static function # and D for any global variable. # Also find C++ and __fastcall symbols from MSVC++, # which start with @ or ?. lt_cv_sys_global_symbol_pipe="$AWK '"\ " {last_section=section; section=\$ 3};"\ " /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\ " \$ 0!~/External *\|/{next};"\ " / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\ " {if(hide[section]) next};"\ " {f=0}; \$ 0~/\(\).*\|/{f=1}; {printf f ? \"T \" : \"D \"};"\ " {split(\$ 0, a, /\||\r/); split(a[2], s)};"\ " s[1]~/^[@?]/{print s[1], s[1]; next};"\ " s[1]~prfx {split(s[1],t,\"@\"); print t[1], substr(t[1],length(prfx))}"\ " ' prfx=^$ac_symprfx" else lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[ ]\($symcode$symcode*\)[ ][ ]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'" fi # Check to see that the pipe works correctly. pipe_works=no rm -f conftest* cat > conftest.$ac_ext <<_LT_EOF #ifdef __cplusplus extern "C" { #endif char nm_test_var; void nm_test_func(void); void nm_test_func(void){} #ifdef __cplusplus } #endif int main(){nm_test_var='a';nm_test_func();return(0);} _LT_EOF if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then # Now try to grab the symbols. nlist=conftest.nm if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$NM conftest.$ac_objext \| $lt_cv_sys_global_symbol_pipe \> $nlist\""; } >&5 (eval $NM conftest.$ac_objext \| $lt_cv_sys_global_symbol_pipe \> $nlist) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } && test -s "$nlist"; then # Try sorting and uniquifying the output. if sort "$nlist" | uniq > "$nlist"T; then mv -f "$nlist"T "$nlist" else rm -f "$nlist"T fi # Make sure that we snagged all the symbols we need. if $GREP ' nm_test_var$' "$nlist" >/dev/null; then if $GREP ' nm_test_func$' "$nlist" >/dev/null; then cat <<_LT_EOF > conftest.$ac_ext #ifdef __cplusplus extern "C" { #endif _LT_EOF # Now generate the symbol file. eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext' cat <<_LT_EOF >> conftest.$ac_ext /* The mapping between symbol names and symbols. */ const struct { const char *name; void *address; } lt__PROGRAM__LTX_preloaded_symbols[] = { { "@PROGRAM@", (void *) 0 }, _LT_EOF $SED "s/^$symcode$symcode* \(.*\) \(.*\)$/ {\"\2\", (void *) \&\2},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext cat <<\_LT_EOF >> conftest.$ac_ext {0, (void *) 0} }; /* This works around a problem in FreeBSD linker */ #ifdef FREEBSD_WORKAROUND static const void *lt_preloaded_setup() { return lt__PROGRAM__LTX_preloaded_symbols; } #endif #ifdef __cplusplus } #endif _LT_EOF # Now try linking the two files. mv conftest.$ac_objext conftstm.$ac_objext lt_save_LIBS="$LIBS" lt_save_CFLAGS="$CFLAGS" LIBS="conftstm.$ac_objext" CFLAGS="$CFLAGS$lt_prog_compiler_no_builtin_flag" if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 (eval $ac_link) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } && test -s conftest${ac_exeext}; then pipe_works=yes fi LIBS="$lt_save_LIBS" CFLAGS="$lt_save_CFLAGS" else echo "cannot find nm_test_func in $nlist" >&5 fi else echo "cannot find nm_test_var in $nlist" >&5 fi else echo "cannot run $lt_cv_sys_global_symbol_pipe" >&5 fi else echo "$progname: failed program was:" >&5 cat conftest.$ac_ext >&5 fi rm -rf conftest* conftst* # Do not use the global_symbol_pipe unless it works. if test "$pipe_works" = yes; then break else lt_cv_sys_global_symbol_pipe= fi done fi if test -z "$lt_cv_sys_global_symbol_pipe"; then lt_cv_sys_global_symbol_to_cdecl= fi if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: failed" >&5 $as_echo "failed" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: ok" >&5 $as_echo "ok" >&6; } fi # Check whether --enable-libtool-lock was given. if test "${enable_libtool_lock+set}" = set; then : enableval=$enable_libtool_lock; fi test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes # Some flags need to be propagated to the compiler or linker for good # libtool support. case $host in ia64-*-hpux*) # Find out which ABI we are using. echo 'int i;' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then case `/usr/bin/file conftest.$ac_objext` in *ELF-32*) HPUX_IA64_MODE="32" ;; *ELF-64*) HPUX_IA64_MODE="64" ;; esac fi rm -rf conftest* ;; *-*-irix6*) # Find out which ABI we are using. echo '#line 6650 "configure"' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then if test "$lt_cv_prog_gnu_ld" = yes; then case `/usr/bin/file conftest.$ac_objext` in *32-bit*) LD="${LD-ld} -melf32bsmip" ;; *N32*) LD="${LD-ld} -melf32bmipn32" ;; *64-bit*) LD="${LD-ld} -melf64bmip" ;; esac else case `/usr/bin/file conftest.$ac_objext` in *32-bit*) LD="${LD-ld} -32" ;; *N32*) LD="${LD-ld} -n32" ;; *64-bit*) LD="${LD-ld} -64" ;; esac fi fi rm -rf conftest* ;; x86_64-*kfreebsd*-gnu|x86_64-*linux*|ppc*-*linux*|powerpc*-*linux*| \ s390*-*linux*|s390*-*tpf*|sparc*-*linux*) # Find out which ABI we are using. echo 'int i;' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then case `/usr/bin/file conftest.o` in *32-bit*) case $host in x86_64-*kfreebsd*-gnu) LD="${LD-ld} -m elf_i386_fbsd" ;; x86_64-*linux*) LD="${LD-ld} -m elf_i386" ;; ppc64-*linux*|powerpc64-*linux*) LD="${LD-ld} -m elf32ppclinux" ;; s390x-*linux*) LD="${LD-ld} -m elf_s390" ;; sparc64-*linux*) LD="${LD-ld} -m elf32_sparc" ;; esac ;; *64-bit*) case $host in x86_64-*kfreebsd*-gnu) LD="${LD-ld} -m elf_x86_64_fbsd" ;; x86_64-*linux*) LD="${LD-ld} -m elf_x86_64" ;; ppc*-*linux*|powerpc*-*linux*) LD="${LD-ld} -m elf64ppc" ;; s390*-*linux*|s390*-*tpf*) LD="${LD-ld} -m elf64_s390" ;; sparc*-*linux*) LD="${LD-ld} -m elf64_sparc" ;; esac ;; esac fi rm -rf conftest* ;; *-*-sco3.2v5*) # On SCO OpenServer 5, we need -belf to get full-featured binaries. SAVE_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -belf" { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler needs -belf" >&5 $as_echo_n "checking whether the C compiler needs -belf... " >&6; } if test "${lt_cv_cc_needs_belf+set}" = set; then : $as_echo_n "(cached) " >&6 else ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main () { ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : lt_cv_cc_needs_belf=yes else lt_cv_cc_needs_belf=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_cc_needs_belf" >&5 $as_echo "$lt_cv_cc_needs_belf" >&6; } if test x"$lt_cv_cc_needs_belf" != x"yes"; then # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf CFLAGS="$SAVE_CFLAGS" fi ;; sparc*-*solaris*) # Find out which ABI we are using. echo 'int i;' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then case `/usr/bin/file conftest.o` in *64-bit*) case $lt_cv_prog_gnu_ld in yes*) LD="${LD-ld} -m elf64_sparc" ;; *) if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then LD="${LD-ld} -64" fi ;; esac ;; esac fi rm -rf conftest* ;; esac need_locks="$enable_libtool_lock" case $host_os in rhapsody* | darwin*) if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}dsymutil", so it can be a program name with args. set dummy ${ac_tool_prefix}dsymutil; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if test "${ac_cv_prog_DSYMUTIL+set}" = set; then : $as_echo_n "(cached) " >&6 else if test -n "$DSYMUTIL"; then ac_cv_prog_DSYMUTIL="$DSYMUTIL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then ac_cv_prog_DSYMUTIL="${ac_tool_prefix}dsymutil" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi DSYMUTIL=$ac_cv_prog_DSYMUTIL if test -n "$DSYMUTIL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DSYMUTIL" >&5 $as_echo "$DSYMUTIL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_DSYMUTIL"; then ac_ct_DSYMUTIL=$DSYMUTIL # Extract the first word of "dsymutil", so it can be a program name with args. set dummy dsymutil; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if test "${ac_cv_prog_ac_ct_DSYMUTIL+set}" = set; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_DSYMUTIL"; then ac_cv_prog_ac_ct_DSYMUTIL="$ac_ct_DSYMUTIL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then ac_cv_prog_ac_ct_DSYMUTIL="dsymutil" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_DSYMUTIL=$ac_cv_prog_ac_ct_DSYMUTIL if test -n "$ac_ct_DSYMUTIL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DSYMUTIL" >&5 $as_echo "$ac_ct_DSYMUTIL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_DSYMUTIL" = x; then DSYMUTIL=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac DSYMUTIL=$ac_ct_DSYMUTIL fi else DSYMUTIL="$ac_cv_prog_DSYMUTIL" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}nmedit", so it can be a program name with args. set dummy ${ac_tool_prefix}nmedit; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if test "${ac_cv_prog_NMEDIT+set}" = set; then : $as_echo_n "(cached) " >&6 else if test -n "$NMEDIT"; then ac_cv_prog_NMEDIT="$NMEDIT" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then ac_cv_prog_NMEDIT="${ac_tool_prefix}nmedit" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi NMEDIT=$ac_cv_prog_NMEDIT if test -n "$NMEDIT"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $NMEDIT" >&5 $as_echo "$NMEDIT" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_NMEDIT"; then ac_ct_NMEDIT=$NMEDIT # Extract the first word of "nmedit", so it can be a program name with args. set dummy nmedit; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if test "${ac_cv_prog_ac_ct_NMEDIT+set}" = set; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_NMEDIT"; then ac_cv_prog_ac_ct_NMEDIT="$ac_ct_NMEDIT" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then ac_cv_prog_ac_ct_NMEDIT="nmedit" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_NMEDIT=$ac_cv_prog_ac_ct_NMEDIT if test -n "$ac_ct_NMEDIT"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_NMEDIT" >&5 $as_echo "$ac_ct_NMEDIT" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_NMEDIT" = x; then NMEDIT=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac NMEDIT=$ac_ct_NMEDIT fi else NMEDIT="$ac_cv_prog_NMEDIT" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}lipo", so it can be a program name with args. set dummy ${ac_tool_prefix}lipo; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if test "${ac_cv_prog_LIPO+set}" = set; then : $as_echo_n "(cached) " >&6 else if test -n "$LIPO"; then ac_cv_prog_LIPO="$LIPO" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then ac_cv_prog_LIPO="${ac_tool_prefix}lipo" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi LIPO=$ac_cv_prog_LIPO if test -n "$LIPO"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LIPO" >&5 $as_echo "$LIPO" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_LIPO"; then ac_ct_LIPO=$LIPO # Extract the first word of "lipo", so it can be a program name with args. set dummy lipo; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if test "${ac_cv_prog_ac_ct_LIPO+set}" = set; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_LIPO"; then ac_cv_prog_ac_ct_LIPO="$ac_ct_LIPO" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then ac_cv_prog_ac_ct_LIPO="lipo" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_LIPO=$ac_cv_prog_ac_ct_LIPO if test -n "$ac_ct_LIPO"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_LIPO" >&5 $as_echo "$ac_ct_LIPO" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_LIPO" = x; then LIPO=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac LIPO=$ac_ct_LIPO fi else LIPO="$ac_cv_prog_LIPO" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}otool", so it can be a program name with args. set dummy ${ac_tool_prefix}otool; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if test "${ac_cv_prog_OTOOL+set}" = set; then : $as_echo_n "(cached) " >&6 else if test -n "$OTOOL"; then ac_cv_prog_OTOOL="$OTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then ac_cv_prog_OTOOL="${ac_tool_prefix}otool" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi OTOOL=$ac_cv_prog_OTOOL if test -n "$OTOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OTOOL" >&5 $as_echo "$OTOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_OTOOL"; then ac_ct_OTOOL=$OTOOL # Extract the first word of "otool", so it can be a program name with args. set dummy otool; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if test "${ac_cv_prog_ac_ct_OTOOL+set}" = set; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_OTOOL"; then ac_cv_prog_ac_ct_OTOOL="$ac_ct_OTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then ac_cv_prog_ac_ct_OTOOL="otool" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_OTOOL=$ac_cv_prog_ac_ct_OTOOL if test -n "$ac_ct_OTOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL" >&5 $as_echo "$ac_ct_OTOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_OTOOL" = x; then OTOOL=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OTOOL=$ac_ct_OTOOL fi else OTOOL="$ac_cv_prog_OTOOL" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}otool64", so it can be a program name with args. set dummy ${ac_tool_prefix}otool64; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... 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The following line is correct: shared_flag='-G' else if test "$aix_use_runtimelinking" = yes; then shared_flag='${wl}-G' else shared_flag='${wl}-bM:SRE' fi fi fi export_dynamic_flag_spec='${wl}-bexpall' # It seems that -bexpall does not export symbols beginning with # underscore (_), so it is better to generate a list of symbols to export. always_export_symbols=yes if test "$aix_use_runtimelinking" = yes; then # Warning - without using the other runtime loading flags (-brtl), # -berok will link without error, but may produce a broken library. allow_undefined_flag='-berok' # Determine the default libpath from the value encoded in an # empty executable. cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main () { ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : lt_aix_libpath_sed=' /Import File Strings/,/^$/ { /^0/ { s/^0 *\(.*\)$/\1/ p } }' aix_libpath=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` # Check for a 64-bit object if we didn't find anything. if test -z "$aix_libpath"; then aix_libpath=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` fi fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath" archive_expsym_cmds='$CC -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then $ECHO "X${wl}${allow_undefined_flag}" | $Xsed; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag" else if test "$host_cpu" = ia64; then hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib' allow_undefined_flag="-z nodefs" archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols" else # Determine the default libpath from the value encoded in an # empty executable. cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main () { ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : lt_aix_libpath_sed=' /Import File Strings/,/^$/ { /^0/ { s/^0 *\(.*\)$/\1/ p } }' aix_libpath=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` # Check for a 64-bit object if we didn't find anything. if test -z "$aix_libpath"; then aix_libpath=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` fi fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath" # Warning - without using the other run time loading flags, # -berok will link without error, but may produce a broken library. no_undefined_flag=' ${wl}-bernotok' allow_undefined_flag=' ${wl}-berok' # Exported symbols can be pulled into shared objects from archives whole_archive_flag_spec='$convenience' archive_cmds_need_lc=yes # This is similar to how AIX traditionally builds its shared libraries. archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname' fi fi ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' archive_expsym_cmds='' ;; m68k) archive_cmds='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' hardcode_libdir_flag_spec='-L$libdir' hardcode_minus_L=yes ;; esac ;; bsdi[45]*) export_dynamic_flag_spec=-rdynamic ;; cygwin* | mingw* | pw32* | cegcc*) # When not using gcc, we currently assume that we are using # Microsoft Visual C++. # hardcode_libdir_flag_spec is actually meaningless, as there is # no search path for DLLs. hardcode_libdir_flag_spec=' ' allow_undefined_flag=unsupported # Tell ltmain to make .lib files, not .a files. libext=lib # Tell ltmain to make .dll files, not .so files. shrext_cmds=".dll" # FIXME: Setting linknames here is a bad hack. archive_cmds='$CC -o $lib $libobjs $compiler_flags `$ECHO "X$deplibs" | $Xsed -e '\''s/ -lc$//'\''` -link -dll~linknames=' # The linker will automatically build a .lib file if we build a DLL. old_archive_from_new_cmds='true' # FIXME: Should let the user specify the lib program. old_archive_cmds='lib -OUT:$oldlib$oldobjs$old_deplibs' fix_srcfile_path='`cygpath -w "$srcfile"`' enable_shared_with_static_runtimes=yes ;; darwin* | rhapsody*) archive_cmds_need_lc=no hardcode_direct=no hardcode_automatic=yes hardcode_shlibpath_var=unsupported whole_archive_flag_spec='' link_all_deplibs=yes allow_undefined_flag="$_lt_dar_allow_undefined" case $cc_basename in ifort*) _lt_dar_can_shared=yes ;; *) _lt_dar_can_shared=$GCC ;; esac if test "$_lt_dar_can_shared" = "yes"; then output_verbose_link_cmd=echo archive_cmds="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod${_lt_dsymutil}" module_cmds="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dsymutil}" archive_expsym_cmds="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring ${_lt_dar_single_mod}${_lt_dar_export_syms}${_lt_dsymutil}" module_expsym_cmds="sed -e 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dar_export_syms}${_lt_dsymutil}" else ld_shlibs=no fi ;; dgux*) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_libdir_flag_spec='-L$libdir' hardcode_shlibpath_var=no ;; freebsd1*) ld_shlibs=no ;; # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor # support. Future versions do this automatically, but an explicit c++rt0.o # does not break anything, and helps significantly (at the cost of a little # extra space). freebsd2.2*) archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o' hardcode_libdir_flag_spec='-R$libdir' hardcode_direct=yes hardcode_shlibpath_var=no ;; # Unfortunately, older versions of FreeBSD 2 do not have this feature. freebsd2*) archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' hardcode_direct=yes hardcode_minus_L=yes hardcode_shlibpath_var=no ;; # FreeBSD 3 and greater uses gcc -shared to do shared libraries. freebsd* | dragonfly*) archive_cmds='$CC -shared -o $lib $libobjs $deplibs $compiler_flags' hardcode_libdir_flag_spec='-R$libdir' hardcode_direct=yes hardcode_shlibpath_var=no ;; hpux9*) if test "$GCC" = yes; then archive_cmds='$RM $output_objdir/$soname~$CC -shared -fPIC ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' else archive_cmds='$RM $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' fi hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' hardcode_libdir_separator=: hardcode_direct=yes # hardcode_minus_L: Not really in the search PATH, # but as the default location of the library. hardcode_minus_L=yes export_dynamic_flag_spec='${wl}-E' ;; hpux10*) if test "$GCC" = yes -a "$with_gnu_ld" = no; then archive_cmds='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' else archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' fi if test "$with_gnu_ld" = no; then hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' hardcode_libdir_flag_spec_ld='+b $libdir' hardcode_libdir_separator=: hardcode_direct=yes hardcode_direct_absolute=yes export_dynamic_flag_spec='${wl}-E' # hardcode_minus_L: Not really in the search PATH, # but as the default location of the library. hardcode_minus_L=yes fi ;; hpux11*) if test "$GCC" = yes -a "$with_gnu_ld" = no; then case $host_cpu in hppa*64*) archive_cmds='$CC -shared ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' ;; ia64*) archive_cmds='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' ;; *) archive_cmds='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' ;; esac else case $host_cpu in hppa*64*) archive_cmds='$CC -b ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' ;; ia64*) archive_cmds='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' ;; *) archive_cmds='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' ;; esac fi if test "$with_gnu_ld" = no; then hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' hardcode_libdir_separator=: case $host_cpu in hppa*64*|ia64*) hardcode_direct=no hardcode_shlibpath_var=no ;; *) hardcode_direct=yes hardcode_direct_absolute=yes export_dynamic_flag_spec='${wl}-E' # hardcode_minus_L: Not really in the search PATH, # but as the default location of the library. hardcode_minus_L=yes ;; esac fi ;; irix5* | irix6* | nonstopux*) if test "$GCC" = yes; then archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' # Try to use the -exported_symbol ld option, if it does not # work, assume that -exports_file does not work either and # implicitly export all symbols. save_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -shared ${wl}-exported_symbol ${wl}foo ${wl}-update_registry ${wl}/dev/null" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo(void) {} _ACEOF if ac_fn_c_try_link "$LINENO"; then : archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations ${wl}-exports_file ${wl}$export_symbols -o $lib' fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LDFLAGS="$save_LDFLAGS" else archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib' archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -exports_file $export_symbols -o $lib' fi archive_cmds_need_lc='no' hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' hardcode_libdir_separator=: inherit_rpath=yes link_all_deplibs=yes ;; netbsd* | netbsdelf*-gnu) if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out else archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF fi hardcode_libdir_flag_spec='-R$libdir' hardcode_direct=yes hardcode_shlibpath_var=no ;; newsos6) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_direct=yes hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' hardcode_libdir_separator=: hardcode_shlibpath_var=no ;; *nto* | *qnx*) ;; openbsd*) if test -f /usr/libexec/ld.so; then hardcode_direct=yes hardcode_shlibpath_var=no hardcode_direct_absolute=yes if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-retain-symbols-file,$export_symbols' hardcode_libdir_flag_spec='${wl}-rpath,$libdir' export_dynamic_flag_spec='${wl}-E' else case $host_os in openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*) archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' hardcode_libdir_flag_spec='-R$libdir' ;; *) archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' hardcode_libdir_flag_spec='${wl}-rpath,$libdir' ;; esac fi else ld_shlibs=no fi ;; os2*) hardcode_libdir_flag_spec='-L$libdir' hardcode_minus_L=yes allow_undefined_flag=unsupported archive_cmds='$ECHO "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~$ECHO DATA >> $output_objdir/$libname.def~$ECHO " SINGLE NONSHARED" >> $output_objdir/$libname.def~$ECHO EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def' old_archive_from_new_cmds='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def' ;; osf3*) if test "$GCC" = yes; then allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' else allow_undefined_flag=' -expect_unresolved \*' archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib' fi archive_cmds_need_lc='no' hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' hardcode_libdir_separator=: ;; osf4* | osf5*) # as osf3* with the addition of -msym flag if test "$GCC" = yes; then allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' else allow_undefined_flag=' -expect_unresolved \*' archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib' archive_expsym_cmds='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~ $CC -shared${allow_undefined_flag} ${wl}-input ${wl}$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib~$RM $lib.exp' # Both c and cxx compiler support -rpath directly hardcode_libdir_flag_spec='-rpath $libdir' fi archive_cmds_need_lc='no' hardcode_libdir_separator=: ;; solaris*) no_undefined_flag=' -z defs' if test "$GCC" = yes; then wlarc='${wl}' archive_cmds='$CC -shared ${wl}-z ${wl}text ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $CC -shared ${wl}-z ${wl}text ${wl}-M ${wl}$lib.exp ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' else case `$CC -V 2>&1` in *"Compilers 5.0"*) wlarc='' archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags' archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp' ;; *) wlarc='${wl}' archive_cmds='$CC -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $CC -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' ;; esac fi hardcode_libdir_flag_spec='-R$libdir' hardcode_shlibpath_var=no case $host_os in solaris2.[0-5] | solaris2.[0-5].*) ;; *) # The compiler driver will combine and reorder linker options, # but understands `-z linker_flag'. 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# No shared lib support for Linux oldld, aout, or coff. linux*oldld* | linux*aout* | linux*coff*) dynamic_linker=no ;; # This must be Linux ELF. linux* | k*bsd*-gnu | kopensolaris*-gnu) version_type=linux need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no # Some binutils ld are patched to set DT_RUNPATH save_LDFLAGS=$LDFLAGS save_libdir=$libdir eval "libdir=/foo; wl=\"$lt_prog_compiler_wl\"; \ LDFLAGS=\"\$LDFLAGS $hardcode_libdir_flag_spec\"" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main () { ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : if ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null; then : shlibpath_overrides_runpath=yes fi fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LDFLAGS=$save_LDFLAGS libdir=$save_libdir # This implies no fast_install, which is unacceptable. # Some rework will be needed to allow for fast_install # before this can be enabled. hardcode_into_libs=yes # Append ld.so.conf contents to the search path if test -f /etc/ld.so.conf; then lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;/^$/d' | tr '\n' ' '` sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra" fi # We used to test for /lib/ld.so.1 and disable shared libraries on # powerpc, because MkLinux only supported shared libraries with the # GNU dynamic linker. Since this was broken with cross compilers, # most powerpc-linux boxes support dynamic linking these days and # people can always --disable-shared, the test was removed, and we # assume the GNU/Linux dynamic linker is in use. dynamic_linker='GNU/Linux ld.so' ;; netbsdelf*-gnu) version_type=linux need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes dynamic_linker='NetBSD ld.elf_so' ;; netbsd*) version_type=sunos need_lib_prefix=no need_version=no if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' dynamic_linker='NetBSD (a.out) ld.so' else library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' dynamic_linker='NetBSD ld.elf_so' fi shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes hardcode_into_libs=yes ;; newsos6) version_type=linux library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes ;; *nto* | *qnx*) version_type=qnx need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes dynamic_linker='ldqnx.so' ;; openbsd*) version_type=sunos sys_lib_dlsearch_path_spec="/usr/lib" need_lib_prefix=no # Some older versions of OpenBSD (3.3 at least) *do* need versioned libs. case $host_os in openbsd3.3 | openbsd3.3.*) need_version=yes ;; *) need_version=no ;; esac library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' shlibpath_var=LD_LIBRARY_PATH if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then case $host_os in openbsd2.[89] | openbsd2.[89].*) shlibpath_overrides_runpath=no ;; *) shlibpath_overrides_runpath=yes ;; esac else shlibpath_overrides_runpath=yes fi ;; os2*) libname_spec='$name' shrext_cmds=".dll" need_lib_prefix=no library_names_spec='$libname${shared_ext} $libname.a' dynamic_linker='OS/2 ld.exe' shlibpath_var=LIBPATH ;; osf3* | osf4* | osf5*) version_type=osf need_lib_prefix=no need_version=no soname_spec='${libname}${release}${shared_ext}$major' library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' shlibpath_var=LD_LIBRARY_PATH sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib" sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec" ;; rdos*) dynamic_linker=no ;; solaris*) version_type=linux need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes hardcode_into_libs=yes # ldd complains unless libraries are executable postinstall_cmds='chmod +x $lib' ;; sunos4*) version_type=sunos library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes if test "$with_gnu_ld" = yes; then need_lib_prefix=no fi need_version=yes ;; sysv4 | sysv4.3*) version_type=linux library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LD_LIBRARY_PATH case $host_vendor in sni) shlibpath_overrides_runpath=no need_lib_prefix=no runpath_var=LD_RUN_PATH ;; siemens) need_lib_prefix=no ;; motorola) need_lib_prefix=no need_version=no shlibpath_overrides_runpath=no sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib' ;; esac ;; sysv4*MP*) if test -d /usr/nec ;then version_type=linux library_names_spec='$libname${shared_ext}.$versuffix $libname${shared_ext}.$major $libname${shared_ext}' soname_spec='$libname${shared_ext}.$major' shlibpath_var=LD_LIBRARY_PATH fi ;; sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) version_type=freebsd-elf need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes hardcode_into_libs=yes if test "$with_gnu_ld" = yes; then sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib' else sys_lib_search_path_spec='/usr/ccs/lib /usr/lib' case $host_os in sco3.2v5*) sys_lib_search_path_spec="$sys_lib_search_path_spec /lib" ;; esac fi sys_lib_dlsearch_path_spec='/usr/lib' ;; tpf*) # TPF is a cross-target only. Preferred cross-host = GNU/Linux. version_type=linux need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; uts4*) version_type=linux library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LD_LIBRARY_PATH ;; *) dynamic_linker=no ;; esac { $as_echo "$as_me:${as_lineno-$LINENO}: result: $dynamic_linker" >&5 $as_echo "$dynamic_linker" >&6; } test "$dynamic_linker" = no && can_build_shared=no variables_saved_for_relink="PATH $shlibpath_var $runpath_var" if test "$GCC" = yes; then variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH" fi if test "${lt_cv_sys_lib_search_path_spec+set}" = set; then sys_lib_search_path_spec="$lt_cv_sys_lib_search_path_spec" fi if test "${lt_cv_sys_lib_dlsearch_path_spec+set}" = set; then sys_lib_dlsearch_path_spec="$lt_cv_sys_lib_dlsearch_path_spec" fi { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to hardcode library paths into programs" >&5 $as_echo_n "checking how to hardcode library paths into programs... " >&6; } hardcode_action= if test -n "$hardcode_libdir_flag_spec" || test -n "$runpath_var" || test "X$hardcode_automatic" = "Xyes" ; then # We can hardcode non-existent directories. if test "$hardcode_direct" != no && # If the only mechanism to avoid hardcoding is shlibpath_var, we # have to relink, otherwise we might link with an installed library # when we should be linking with a yet-to-be-installed one ## test "$_LT_TAGVAR(hardcode_shlibpath_var, )" != no && test "$hardcode_minus_L" != no; then # Linking always hardcodes the temporary library directory. hardcode_action=relink else # We can link without hardcoding, and we can hardcode nonexisting dirs. hardcode_action=immediate fi else # We cannot hardcode anything, or else we can only hardcode existing # directories. hardcode_action=unsupported fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $hardcode_action" >&5 $as_echo "$hardcode_action" >&6; } if test "$hardcode_action" = relink || test "$inherit_rpath" = yes; then # Fast installation is not supported enable_fast_install=no elif test "$shlibpath_overrides_runpath" = yes || test "$enable_shared" = no; then # Fast installation is not necessary enable_fast_install=needless fi if test "x$enable_dlopen" != xyes; then enable_dlopen=unknown enable_dlopen_self=unknown enable_dlopen_self_static=unknown else lt_cv_dlopen=no lt_cv_dlopen_libs= case $host_os in beos*) lt_cv_dlopen="load_add_on" lt_cv_dlopen_libs= lt_cv_dlopen_self=yes ;; mingw* | pw32* | cegcc*) lt_cv_dlopen="LoadLibrary" lt_cv_dlopen_libs= ;; cygwin*) lt_cv_dlopen="dlopen" lt_cv_dlopen_libs= ;; darwin*) # if libdl is installed we need to link against it { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5 $as_echo_n "checking for dlopen in -ldl... " >&6; } if test "${ac_cv_lib_dl_dlopen+set}" = set; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-ldl $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ #ifdef __cplusplus extern "C" #endif char dlopen (); int main () { return dlopen (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_dl_dlopen=yes else ac_cv_lib_dl_dlopen=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5 $as_echo "$ac_cv_lib_dl_dlopen" >&6; } if test "x$ac_cv_lib_dl_dlopen" = x""yes; then : lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl" else lt_cv_dlopen="dyld" lt_cv_dlopen_libs= lt_cv_dlopen_self=yes fi ;; *) ac_fn_c_check_func "$LINENO" "shl_load" "ac_cv_func_shl_load" if test "x$ac_cv_func_shl_load" = x""yes; then : lt_cv_dlopen="shl_load" else { $as_echo "$as_me:${as_lineno-$LINENO}: checking for shl_load in -ldld" >&5 $as_echo_n "checking for shl_load in -ldld... " >&6; } if test "${ac_cv_lib_dld_shl_load+set}" = set; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-ldld $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ #ifdef __cplusplus extern "C" #endif char shl_load (); int main () { return shl_load (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_dld_shl_load=yes else ac_cv_lib_dld_shl_load=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_shl_load" >&5 $as_echo "$ac_cv_lib_dld_shl_load" >&6; } if test "x$ac_cv_lib_dld_shl_load" = x""yes; then : lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-ldld" else ac_fn_c_check_func "$LINENO" "dlopen" "ac_cv_func_dlopen" if test "x$ac_cv_func_dlopen" = x""yes; then : lt_cv_dlopen="dlopen" else { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5 $as_echo_n "checking for dlopen in -ldl... " >&6; } if test "${ac_cv_lib_dl_dlopen+set}" = set; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-ldl $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ #ifdef __cplusplus extern "C" #endif char dlopen (); int main () { return dlopen (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_dl_dlopen=yes else ac_cv_lib_dl_dlopen=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5 $as_echo "$ac_cv_lib_dl_dlopen" >&6; } if test "x$ac_cv_lib_dl_dlopen" = x""yes; then : lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl" else { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -lsvld" >&5 $as_echo_n "checking for dlopen in -lsvld... " >&6; } if test "${ac_cv_lib_svld_dlopen+set}" = set; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-lsvld $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ #ifdef __cplusplus extern "C" #endif char dlopen (); int main () { return dlopen (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_svld_dlopen=yes else ac_cv_lib_svld_dlopen=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_svld_dlopen" >&5 $as_echo "$ac_cv_lib_svld_dlopen" >&6; } if test "x$ac_cv_lib_svld_dlopen" = x""yes; then : lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-lsvld" else { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dld_link in -ldld" >&5 $as_echo_n "checking for dld_link in -ldld... " >&6; } if test "${ac_cv_lib_dld_dld_link+set}" = set; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-ldld $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ #ifdef __cplusplus extern "C" #endif char dld_link (); int main () { return dld_link (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_dld_dld_link=yes else ac_cv_lib_dld_dld_link=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_dld_link" >&5 $as_echo "$ac_cv_lib_dld_dld_link" >&6; } if test "x$ac_cv_lib_dld_dld_link" = x""yes; then : lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-ldld" fi fi fi fi fi fi ;; esac if test "x$lt_cv_dlopen" != xno; then enable_dlopen=yes else enable_dlopen=no fi case $lt_cv_dlopen in dlopen) save_CPPFLAGS="$CPPFLAGS" test "x$ac_cv_header_dlfcn_h" = xyes && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H" save_LDFLAGS="$LDFLAGS" wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\" save_LIBS="$LIBS" LIBS="$lt_cv_dlopen_libs $LIBS" { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether a program can dlopen itself" >&5 $as_echo_n "checking whether a program can dlopen itself... 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esac ;; gnu*) version_type=linux need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LD_LIBRARY_PATH hardcode_into_libs=yes ;; hpux9* | hpux10* | hpux11*) # Give a soname corresponding to the major version so that dld.sl refuses to # link against other versions. version_type=sunos need_lib_prefix=no need_version=no case $host_cpu in ia64*) shrext_cmds='.so' hardcode_into_libs=yes dynamic_linker="$host_os dld.so" shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' if test "X$HPUX_IA64_MODE" = X32; then sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib" else sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64" fi sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec ;; 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"Package requirements (libkqueue) were not met: $KQUEUE_PKG_ERRORS Consider adjusting the PKG_CONFIG_PATH environment variable if you installed software in a non-standard prefix. Alternatively, you may set the environment variables KQUEUE_CFLAGS and KQUEUE_LIBS to avoid the need to call pkg-config. See the pkg-config man page for more details. " "$LINENO" 5 elif test $pkg_failed = untried; then { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;} as_fn_error $? "The pkg-config script could not be found or is too old. Make sure it is in your PATH or set the PKG_CONFIG environment variable to the full path to pkg-config. Alternatively, you may set the environment variables KQUEUE_CFLAGS and KQUEUE_LIBS to avoid the need to call pkg-config. See the pkg-config man page for more details. To get pkg-config, see . 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'A' + ((c) - 'a') : (c)) #else # define ISLOWER(c) \ (('a' <= (c) && (c) <= 'i') \ || ('j' <= (c) && (c) <= 'r') \ || ('s' <= (c) && (c) <= 'z')) # define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c)) #endif #define XOR(e, f) (((e) && !(f)) || (!(e) && (f))) int main () { int i; for (i = 0; i < 256; i++) if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) return 2; return 0; } _ACEOF if ac_fn_c_try_run "$LINENO"; then : else ac_cv_header_stdc=no fi rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ conftest.$ac_objext conftest.beam conftest.$ac_ext fi fi fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5 $as_echo "$ac_cv_header_stdc" >&6; } if test $ac_cv_header_stdc = yes; then $as_echo "#define STDC_HEADERS 1" >>confdefs.h fi for ac_header in TargetConditionals.h pthread_machdep.h pthread_np.h malloc/malloc.h libkern/OSCrossEndian.h libkern/OSAtomic.h sys/sysctl.h do : as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default" if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : cat >>confdefs.h <<_ACEOF #define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 _ACEOF fi done # # Core Services is tested in one of the GCD regression tests, so test for its # presence using its header file. # ac_fn_c_check_header_mongrel "$LINENO" "CoreServices/CoreServices.h" "ac_cv_header_CoreServices_CoreServices_h" "$ac_includes_default" if test "x$ac_cv_header_CoreServices_CoreServices_h" = x""yes; then : have_coreservices=true else have_coreservices=false fi if $have_coreservices; then HAVE_CORESERVICES_TRUE= HAVE_CORESERVICES_FALSE='#' else HAVE_CORESERVICES_TRUE='#' HAVE_CORESERVICES_FALSE= fi # # We use the availability of mach.h to decide whether to compile in all sorts # of Machisms, including using Mach ports as event sources, etc. # ac_fn_c_check_header_mongrel "$LINENO" "mach/mach.h" "ac_cv_header_mach_mach_h" "$ac_includes_default" if test "x$ac_cv_header_mach_mach_h" = x""yes; then : $as_echo "#define HAVE_MACH 1" >>confdefs.h have_mach=true else have_mach=false fi if $have_mach; then USE_MIG_TRUE= USE_MIG_FALSE='#' else USE_MIG_TRUE='#' USE_MIG_FALSE= fi # # We use the availability of pthread_workqueue.h to decide whether to compile # in support for pthread work queues. # ac_fn_c_check_header_mongrel "$LINENO" "pthread_workqueue.h" "ac_cv_header_pthread_workqueue_h" "$ac_includes_default" if test "x$ac_cv_header_pthread_workqueue_h" = x""yes; then : $as_echo "#define HAVE_PTHREAD_WORKQUEUES 1" >>confdefs.h fi # # Check if libpthread_workqueue.so exists # { $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_workqueue_init_np in -lpthread_workqueue" >&5 $as_echo_n "checking for pthread_workqueue_init_np in -lpthread_workqueue... 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then : ac_have_decl=1 else ac_have_decl=0 fi cat >>confdefs.h <<_ACEOF #define HAVE_DECL_CLOCK_UPTIME $ac_have_decl _ACEOF ac_fn_c_check_decl "$LINENO" "CLOCK_MONOTONIC" "ac_cv_have_decl_CLOCK_MONOTONIC" "#include " if test "x$ac_cv_have_decl_CLOCK_MONOTONIC" = x""yes; then : ac_have_decl=1 else ac_have_decl=0 fi cat >>confdefs.h <<_ACEOF #define HAVE_DECL_CLOCK_MONOTONIC $ac_have_decl _ACEOF ac_fn_c_check_decl "$LINENO" "CLOCK_REALTIME" "ac_cv_have_decl_CLOCK_REALTIME" "#include " if test "x$ac_cv_have_decl_CLOCK_REALTIME" = x""yes; then : ac_have_decl=1 else ac_have_decl=0 fi cat >>confdefs.h <<_ACEOF #define HAVE_DECL_CLOCK_REALTIME $ac_have_decl _ACEOF ac_fn_c_check_decl "$LINENO" "EVFILT_LIO" "ac_cv_have_decl_EVFILT_LIO" "#include #include " if test "x$ac_cv_have_decl_EVFILT_LIO" = x""yes; then : ac_have_decl=1 else ac_have_decl=0 fi cat >>confdefs.h <<_ACEOF #define HAVE_DECL_EVFILT_LIO $ac_have_decl _ACEOF ac_fn_c_check_decl "$LINENO" "EVFILT_SESSION" "ac_cv_have_decl_EVFILT_SESSION" "#include #include " if test "x$ac_cv_have_decl_EVFILT_SESSION" = x""yes; then : ac_have_decl=1 else ac_have_decl=0 fi cat >>confdefs.h <<_ACEOF #define HAVE_DECL_EVFILT_SESSION $ac_have_decl _ACEOF ac_fn_c_check_decl "$LINENO" "NOTE_NONE" "ac_cv_have_decl_NOTE_NONE" "#include #include " if test "x$ac_cv_have_decl_NOTE_NONE" = x""yes; then : ac_have_decl=1 else ac_have_decl=0 fi cat >>confdefs.h <<_ACEOF #define HAVE_DECL_NOTE_NONE $ac_have_decl _ACEOF ac_fn_c_check_decl "$LINENO" "NOTE_REAP" "ac_cv_have_decl_NOTE_REAP" "#include #include " if test "x$ac_cv_have_decl_NOTE_REAP" = x""yes; then : ac_have_decl=1 else ac_have_decl=0 fi cat >>confdefs.h <<_ACEOF #define HAVE_DECL_NOTE_REAP $ac_have_decl _ACEOF ac_fn_c_check_decl "$LINENO" "NOTE_REVOKE" "ac_cv_have_decl_NOTE_REVOKE" "#include #include " if test "x$ac_cv_have_decl_NOTE_REVOKE" = x""yes; then : ac_have_decl=1 else ac_have_decl=0 fi cat >>confdefs.h <<_ACEOF #define HAVE_DECL_NOTE_REVOKE $ac_have_decl _ACEOF ac_fn_c_check_decl "$LINENO" "NOTE_SIGNAL" "ac_cv_have_decl_NOTE_SIGNAL" "#include #include " if test "x$ac_cv_have_decl_NOTE_SIGNAL" = x""yes; then : ac_have_decl=1 else ac_have_decl=0 fi cat >>confdefs.h <<_ACEOF #define HAVE_DECL_NOTE_SIGNAL $ac_have_decl _ACEOF ac_fn_c_check_decl "$LINENO" "FD_COPY" "ac_cv_have_decl_FD_COPY" "#include " if test "x$ac_cv_have_decl_FD_COPY" = x""yes; then : ac_have_decl=1 else ac_have_decl=0 fi cat >>confdefs.h <<_ACEOF #define HAVE_DECL_FD_COPY $ac_have_decl _ACEOF ac_fn_c_check_decl "$LINENO" "SIGEMT" "ac_cv_have_decl_SIGEMT" "#include " if test "x$ac_cv_have_decl_SIGEMT" = x""yes; then : ac_have_decl=1 else ac_have_decl=0 fi cat >>confdefs.h <<_ACEOF #define HAVE_DECL_SIGEMT $ac_have_decl _ACEOF ac_fn_c_check_decl "$LINENO" "VQ_UPDATE" "ac_cv_have_decl_VQ_UPDATE" "#include " if test "x$ac_cv_have_decl_VQ_UPDATE" = x""yes; then : ac_have_decl=1 else ac_have_decl=0 fi cat >>confdefs.h <<_ACEOF #define HAVE_DECL_VQ_UPDATE $ac_have_decl _ACEOF ac_fn_c_check_decl "$LINENO" "VQ_VERYLOWDISK" "ac_cv_have_decl_VQ_VERYLOWDISK" "#include " if test "x$ac_cv_have_decl_VQ_VERYLOWDISK" = x""yes; then : ac_have_decl=1 else ac_have_decl=0 fi cat >>confdefs.h <<_ACEOF #define HAVE_DECL_VQ_VERYLOWDISK $ac_have_decl _ACEOF ac_fn_c_check_decl "$LINENO" "program_invocation_short_name" "ac_cv_have_decl_program_invocation_short_name" "#include " if test "x$ac_cv_have_decl_program_invocation_short_name" = x""yes; then : ac_have_decl=1 else ac_have_decl=0 fi cat >>confdefs.h <<_ACEOF #define HAVE_DECL_PROGRAM_INVOCATION_SHORT_NAME $ac_have_decl _ACEOF for ac_func in pthread_key_init_np pthread_main_np mach_absolute_time malloc_create_zone sysconf getprogname getexecname vasprintf asprintf arc4random fgetln do : as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh` ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var" if eval test \"x\$"$as_ac_var"\" = x"yes"; then : cat >>confdefs.h <<_ACEOF #define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1 _ACEOF fi done ac_fn_c_check_decl "$LINENO" "POSIX_SPAWN_START_SUSPENDED" "ac_cv_have_decl_POSIX_SPAWN_START_SUSPENDED" "#include " if test "x$ac_cv_have_decl_POSIX_SPAWN_START_SUSPENDED" = x""yes; then : ac_have_decl=1 else ac_have_decl=0 fi cat >>confdefs.h <<_ACEOF #define HAVE_DECL_POSIX_SPAWN_START_SUSPENDED $ac_have_decl _ACEOF if test $ac_have_decl = 1; then : have_posix_spawn_start_suspended=true else have_posix_spawn_start_suspended=false fi if $have_posix_spawn_start_suspended; 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