1 /* Threads compatibility routines for libgcc2 and libobjc. */
2 /* Compile this one with gcc. */
3 /* Copyright (C) 1997, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
4 Free Software Foundation, Inc.
6 This file is part of GCC.
8 GCC is free software; you can redistribute it and/or modify it under
9 the terms of the GNU General Public License as published by the Free
10 Software Foundation; either version 2, or (at your option) any later
13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
18 You should have received a copy of the GNU General Public License
19 along with GCC; see the file COPYING. If not, write to the Free
20 Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
23 /* As a special exception, if you link this library with other files,
24 some of which are compiled with GCC, to produce an executable,
25 this library does not by itself cause the resulting executable
26 to be covered by the GNU General Public License.
27 This exception does not however invalidate any other reasons why
28 the executable file might be covered by the GNU General Public License. */
30 #ifndef GCC_GTHR_POSIX_H
31 #define GCC_GTHR_POSIX_H
33 /* POSIX threads specific definitions.
34 Easy, since the interface is just one-to-one mapping. */
37 #define __GTHREADS_CXX0X 1
39 /* Some implementations of <pthread.h> require this to be defined. */
40 #if !defined(_REENTRANT) && defined(__osf__)
45 # define _GNU_SOURCE 1
51 typedef pthread_t __gthread_t;
52 typedef pthread_key_t __gthread_key_t;
53 typedef pthread_once_t __gthread_once_t;
54 typedef pthread_mutex_t __gthread_mutex_t;
55 typedef pthread_mutex_t __gthread_recursive_mutex_t;
56 typedef pthread_cond_t __gthread_cond_t;
57 typedef struct timespec __gthread_time_t;
59 /* POSIX like conditional variables are supported. Please look at comments
60 in gthr.h for details. */
61 #define __GTHREAD_HAS_COND 1
63 #define __GTHREAD_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
64 #define __GTHREAD_ONCE_INIT PTHREAD_ONCE_INIT
65 #if defined(PTHREAD_RECURSIVE_MUTEX_INITIALIZER)
66 #define __GTHREAD_RECURSIVE_MUTEX_INIT PTHREAD_RECURSIVE_MUTEX_INITIALIZER
67 #elif defined(PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP)
68 #define __GTHREAD_RECURSIVE_MUTEX_INIT PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP
70 #define __GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION __gthread_recursive_mutex_init_function
72 #define __GTHREAD_COND_INIT PTHREAD_COND_INITIALIZER
73 #define __GTHREAD_TIME_INIT {0,0}
75 #ifdef _GTHREAD_USE_MUTEX_INIT_FUNC
76 # undef __GTHREAD_MUTEX_INIT
77 # define __GTHREAD_MUTEX_INIT_FUNCTION __gthread_mutex_init_function
79 #ifdef _GTHREAD_USE_RECURSIVE_MUTEX_INIT_FUNC
80 # undef __GTHREAD_RECURSIVE_MUTEX_INIT
81 # undef __GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION
82 # define __GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION __gthread_recursive_mutex_init_function
84 #ifdef _GTHREAD_USE_COND_INIT_FUNC
85 # undef __GTHREAD_COND_INIT
86 # define __GTHREAD_COND_INIT_FUNCTION __gthread_cond_init_function
89 #if __GXX_WEAK__ && GTHREAD_USE_WEAK
90 # ifndef __gthrw_pragma
91 # define __gthrw_pragma(pragma)
93 # define __gthrw2(name,name2,type) \
94 static __typeof(type) name __attribute__ ((__weakref__(#name2))); \
95 __gthrw_pragma(weak type)
96 # define __gthrw_(name) __gthrw_ ## name
98 # define __gthrw2(name,name2,type)
99 # define __gthrw_(name) name
102 /* Typically, __gthrw_foo is a weak reference to symbol foo. */
103 #define __gthrw(name) __gthrw2(__gthrw_ ## name,name,name)
105 /* On Tru64, /usr/include/pthread.h uses #pragma extern_prefix "__" to
106 map a subset of the POSIX pthread API to mangled versions of their
108 #if defined(__osf__) && defined(_PTHREAD_USE_MANGLED_NAMES_)
109 #define __gthrw3(name) __gthrw2(__gthrw_ ## name, __ ## name, name)
110 __gthrw3(pthread_once)
111 __gthrw3(pthread_getspecific)
112 __gthrw3(pthread_setspecific)
114 __gthrw3(pthread_create)
115 __gthrw3(pthread_join)
116 __gthrw3(pthread_detach)
117 __gthrw3(pthread_equal)
118 __gthrw3(pthread_self)
119 __gthrw3(pthread_cancel)
120 __gthrw3(sched_yield)
122 __gthrw3(pthread_mutex_lock)
123 __gthrw3(pthread_mutex_trylock)
124 #if _GTHREAD_USE_MUTEX_TIMEDLOCK
125 __gthrw3(pthread_mutex_timedlock)
127 __gthrw3(pthread_mutex_unlock)
128 __gthrw3(pthread_mutex_init)
129 __gthrw3(pthread_mutex_destroy)
131 __gthrw3(pthread_cond_init)
132 __gthrw3(pthread_cond_broadcast)
133 __gthrw3(pthread_cond_signal)
134 __gthrw3(pthread_cond_wait)
135 __gthrw3(pthread_cond_timedwait)
136 __gthrw3(pthread_cond_destroy)
138 __gthrw(pthread_once)
139 __gthrw(pthread_getspecific)
140 __gthrw(pthread_setspecific)
142 __gthrw(pthread_create)
143 __gthrw(pthread_join)
144 __gthrw(pthread_equal)
145 __gthrw(pthread_self)
146 __gthrw(pthread_detach)
148 __gthrw(pthread_cancel)
152 __gthrw(pthread_mutex_lock)
153 __gthrw(pthread_mutex_trylock)
154 #if _GTHREAD_USE_MUTEX_TIMEDLOCK
155 __gthrw(pthread_mutex_timedlock)
157 __gthrw(pthread_mutex_unlock)
158 __gthrw(pthread_mutex_init)
159 __gthrw(pthread_mutex_destroy)
161 __gthrw(pthread_cond_init)
162 __gthrw(pthread_cond_broadcast)
163 __gthrw(pthread_cond_signal)
164 __gthrw(pthread_cond_wait)
165 __gthrw(pthread_cond_timedwait)
166 __gthrw(pthread_cond_destroy)
169 __gthrw(pthread_key_create)
170 __gthrw(pthread_key_delete)
171 __gthrw(pthread_mutexattr_init)
172 __gthrw(pthread_mutexattr_settype)
173 __gthrw(pthread_mutexattr_destroy)
176 #if defined(_LIBOBJC) || defined(_LIBOBJC_WEAK)
178 #if defined(__osf__) && defined(_PTHREAD_USE_MANGLED_NAMES_)
179 __gthrw3(pthread_exit)
181 __gthrw(pthread_exit)
182 #endif /* __osf__ && _PTHREAD_USE_MANGLED_NAMES_ */
183 #ifdef _POSIX_PRIORITY_SCHEDULING
184 #ifdef _POSIX_THREAD_PRIORITY_SCHEDULING
185 __gthrw(sched_get_priority_max)
186 __gthrw(sched_get_priority_min)
187 #endif /* _POSIX_THREAD_PRIORITY_SCHEDULING */
188 #endif /* _POSIX_PRIORITY_SCHEDULING */
189 __gthrw(pthread_attr_destroy)
190 __gthrw(pthread_attr_init)
191 __gthrw(pthread_attr_setdetachstate)
192 #ifdef _POSIX_THREAD_PRIORITY_SCHEDULING
193 __gthrw(pthread_getschedparam)
194 __gthrw(pthread_setschedparam)
195 #endif /* _POSIX_THREAD_PRIORITY_SCHEDULING */
196 #endif /* _LIBOBJC || _LIBOBJC_WEAK */
198 #if __GXX_WEAK__ && GTHREAD_USE_WEAK
200 /* On Solaris 2.6 up to 9, the libc exposes a POSIX threads interface even if
201 -pthreads is not specified. The functions are dummies and most return an
202 error value. However pthread_once returns 0 without invoking the routine
203 it is passed so we cannot pretend that the interface is active if -pthreads
204 is not specified. On Solaris 2.5.1, the interface is not exposed at all so
205 we need to play the usual game with weak symbols. On Solaris 10 and up, a
206 working interface is always exposed. On FreeBSD 6 and later, libc also
207 exposes a dummy POSIX threads interface, similar to what Solaris 2.6 up
208 to 9 does. FreeBSD >= 700014 even provides a pthread_cancel stub in libc,
209 which means the alternate __gthread_active_p below cannot be used there. */
211 #if defined(__FreeBSD__) || (defined(__sun) && defined(__svr4__))
213 static volatile int __gthread_active = -1;
216 __gthread_trigger (void)
218 __gthread_active = 1;
222 __gthread_active_p (void)
224 static pthread_mutex_t __gthread_active_mutex = PTHREAD_MUTEX_INITIALIZER;
225 static pthread_once_t __gthread_active_once = PTHREAD_ONCE_INIT;
227 /* Avoid reading __gthread_active twice on the main code path. */
228 int __gthread_active_latest_value = __gthread_active;
230 /* This test is not protected to avoid taking a lock on the main code
231 path so every update of __gthread_active in a threaded program must
232 be atomic with regard to the result of the test. */
233 if (__builtin_expect (__gthread_active_latest_value < 0, 0))
235 if (__gthrw_(pthread_once))
237 /* If this really is a threaded program, then we must ensure that
238 __gthread_active has been set to 1 before exiting this block. */
239 __gthrw_(pthread_mutex_lock) (&__gthread_active_mutex);
240 __gthrw_(pthread_once) (&__gthread_active_once, __gthread_trigger);
241 __gthrw_(pthread_mutex_unlock) (&__gthread_active_mutex);
244 /* Make sure we'll never enter this block again. */
245 if (__gthread_active < 0)
246 __gthread_active = 0;
248 __gthread_active_latest_value = __gthread_active;
251 return __gthread_active_latest_value != 0;
254 #else /* neither FreeBSD nor Solaris */
257 __gthread_active_p (void)
259 static void *const __gthread_active_ptr
260 = __extension__ (void *) &__gthrw_(pthread_cancel);
261 return __gthread_active_ptr != 0;
264 #endif /* FreeBSD or Solaris */
266 #else /* not __GXX_WEAK__ */
268 /* Similar to Solaris, HP-UX 11 for PA-RISC provides stubs for pthread
269 calls in shared flavors of the HP-UX C library. Most of the stubs
270 have no functionality. The details are described in the "libc cumulative
271 patch" for each subversion of HP-UX 11. There are two special interfaces
272 provided for checking whether an application is linked to a pthread
273 library or not. However, these interfaces aren't available in early
274 libc versions. We also can't use pthread_once as some libc versions
275 call the init function. So, we use pthread_create to check whether it
276 is possible to create a thread or not. The stub implementation returns
277 the error number ENOSYS. */
279 #if defined(__hppa__) && defined(__hpux__)
281 static volatile int __gthread_active = -1;
284 __gthread_active_p (void)
286 /* Avoid reading __gthread_active twice on the main code path. */
287 int __gthread_active_latest_value = __gthread_active;
290 if (__builtin_expect (__gthread_active_latest_value < 0, 0))
292 pthread_default_stacksize_np (0, &__s);
293 __gthread_active = __s ? 1 : 0;
294 __gthread_active_latest_value = __gthread_active;
297 return __gthread_active_latest_value != 0;
300 #else /* not hppa-hpux */
303 __gthread_active_p (void)
308 #endif /* hppa-hpux */
310 #endif /* __GXX_WEAK__ */
314 /* This is the config.h file in libobjc/ */
321 /* Key structure for maintaining thread specific storage */
322 static pthread_key_t _objc_thread_storage;
323 static pthread_attr_t _objc_thread_attribs;
325 /* Thread local storage for a single thread */
326 static void *thread_local_storage = NULL;
328 /* Backend initialization functions */
330 /* Initialize the threads subsystem. */
332 __gthread_objc_init_thread_system (void)
334 if (__gthread_active_p ())
336 /* Initialize the thread storage key. */
337 if (__gthrw_(pthread_key_create) (&_objc_thread_storage, NULL) == 0)
339 /* The normal default detach state for threads is
340 * PTHREAD_CREATE_JOINABLE which causes threads to not die
341 * when you think they should. */
342 if (__gthrw_(pthread_attr_init) (&_objc_thread_attribs) == 0
343 && __gthrw_(pthread_attr_setdetachstate) (&_objc_thread_attribs,
344 PTHREAD_CREATE_DETACHED) == 0)
352 /* Close the threads subsystem. */
354 __gthread_objc_close_thread_system (void)
356 if (__gthread_active_p ()
357 && __gthrw_(pthread_key_delete) (_objc_thread_storage) == 0
358 && __gthrw_(pthread_attr_destroy) (&_objc_thread_attribs) == 0)
364 /* Backend thread functions */
366 /* Create a new thread of execution. */
367 static inline objc_thread_t
368 __gthread_objc_thread_detach (void (*func)(void *), void *arg)
370 objc_thread_t thread_id;
371 pthread_t new_thread_handle;
373 if (!__gthread_active_p ())
376 if (!(__gthrw_(pthread_create) (&new_thread_handle, &_objc_thread_attribs,
377 (void *) func, arg)))
378 thread_id = (objc_thread_t) new_thread_handle;
385 /* Set the current thread's priority. */
387 __gthread_objc_thread_set_priority (int priority)
389 if (!__gthread_active_p ())
393 #ifdef _POSIX_PRIORITY_SCHEDULING
394 #ifdef _POSIX_THREAD_PRIORITY_SCHEDULING
395 pthread_t thread_id = __gthrw_(pthread_self) ();
397 struct sched_param params;
398 int priority_min, priority_max;
400 if (__gthrw_(pthread_getschedparam) (thread_id, &policy, ¶ms) == 0)
402 if ((priority_max = __gthrw_(sched_get_priority_max) (policy)) == -1)
405 if ((priority_min = __gthrw_(sched_get_priority_min) (policy)) == -1)
408 if (priority > priority_max)
409 priority = priority_max;
410 else if (priority < priority_min)
411 priority = priority_min;
412 params.sched_priority = priority;
415 * The solaris 7 and several other man pages incorrectly state that
416 * this should be a pointer to policy but pthread.h is universally
419 if (__gthrw_(pthread_setschedparam) (thread_id, policy, ¶ms) == 0)
422 #endif /* _POSIX_THREAD_PRIORITY_SCHEDULING */
423 #endif /* _POSIX_PRIORITY_SCHEDULING */
428 /* Return the current thread's priority. */
430 __gthread_objc_thread_get_priority (void)
432 #ifdef _POSIX_PRIORITY_SCHEDULING
433 #ifdef _POSIX_THREAD_PRIORITY_SCHEDULING
434 if (__gthread_active_p ())
437 struct sched_param params;
439 if (__gthrw_(pthread_getschedparam) (__gthrw_(pthread_self) (), &policy, ¶ms) == 0)
440 return params.sched_priority;
445 #endif /* _POSIX_THREAD_PRIORITY_SCHEDULING */
446 #endif /* _POSIX_PRIORITY_SCHEDULING */
447 return OBJC_THREAD_INTERACTIVE_PRIORITY;
450 /* Yield our process time to another thread. */
452 __gthread_objc_thread_yield (void)
454 if (__gthread_active_p ())
455 __gthrw_(sched_yield) ();
458 /* Terminate the current thread. */
460 __gthread_objc_thread_exit (void)
462 if (__gthread_active_p ())
463 /* exit the thread */
464 __gthrw_(pthread_exit) (&__objc_thread_exit_status);
466 /* Failed if we reached here */
470 /* Returns an integer value which uniquely describes a thread. */
471 static inline objc_thread_t
472 __gthread_objc_thread_id (void)
474 if (__gthread_active_p ())
475 return (objc_thread_t) __gthrw_(pthread_self) ();
477 return (objc_thread_t) 1;
480 /* Sets the thread's local storage pointer. */
482 __gthread_objc_thread_set_data (void *value)
484 if (__gthread_active_p ())
485 return __gthrw_(pthread_setspecific) (_objc_thread_storage, value);
488 thread_local_storage = value;
493 /* Returns the thread's local storage pointer. */
495 __gthread_objc_thread_get_data (void)
497 if (__gthread_active_p ())
498 return __gthrw_(pthread_getspecific) (_objc_thread_storage);
500 return thread_local_storage;
503 /* Backend mutex functions */
505 /* Allocate a mutex. */
507 __gthread_objc_mutex_allocate (objc_mutex_t mutex)
509 if (__gthread_active_p ())
511 mutex->backend = objc_malloc (sizeof (pthread_mutex_t));
513 if (__gthrw_(pthread_mutex_init) ((pthread_mutex_t *) mutex->backend, NULL))
515 objc_free (mutex->backend);
516 mutex->backend = NULL;
524 /* Deallocate a mutex. */
526 __gthread_objc_mutex_deallocate (objc_mutex_t mutex)
528 if (__gthread_active_p ())
533 * Posix Threads specifically require that the thread be unlocked
534 * for __gthrw_(pthread_mutex_destroy) to work.
539 count = __gthrw_(pthread_mutex_unlock) ((pthread_mutex_t *) mutex->backend);
545 if (__gthrw_(pthread_mutex_destroy) ((pthread_mutex_t *) mutex->backend))
548 objc_free (mutex->backend);
549 mutex->backend = NULL;
554 /* Grab a lock on a mutex. */
556 __gthread_objc_mutex_lock (objc_mutex_t mutex)
558 if (__gthread_active_p ()
559 && __gthrw_(pthread_mutex_lock) ((pthread_mutex_t *) mutex->backend) != 0)
567 /* Try to grab a lock on a mutex. */
569 __gthread_objc_mutex_trylock (objc_mutex_t mutex)
571 if (__gthread_active_p ()
572 && __gthrw_(pthread_mutex_trylock) ((pthread_mutex_t *) mutex->backend) != 0)
580 /* Unlock the mutex */
582 __gthread_objc_mutex_unlock (objc_mutex_t mutex)
584 if (__gthread_active_p ()
585 && __gthrw_(pthread_mutex_unlock) ((pthread_mutex_t *) mutex->backend) != 0)
593 /* Backend condition mutex functions */
595 /* Allocate a condition. */
597 __gthread_objc_condition_allocate (objc_condition_t condition)
599 if (__gthread_active_p ())
601 condition->backend = objc_malloc (sizeof (pthread_cond_t));
603 if (__gthrw_(pthread_cond_init) ((pthread_cond_t *) condition->backend, NULL))
605 objc_free (condition->backend);
606 condition->backend = NULL;
614 /* Deallocate a condition. */
616 __gthread_objc_condition_deallocate (objc_condition_t condition)
618 if (__gthread_active_p ())
620 if (__gthrw_(pthread_cond_destroy) ((pthread_cond_t *) condition->backend))
623 objc_free (condition->backend);
624 condition->backend = NULL;
629 /* Wait on the condition */
631 __gthread_objc_condition_wait (objc_condition_t condition, objc_mutex_t mutex)
633 if (__gthread_active_p ())
634 return __gthrw_(pthread_cond_wait) ((pthread_cond_t *) condition->backend,
635 (pthread_mutex_t *) mutex->backend);
640 /* Wake up all threads waiting on this condition. */
642 __gthread_objc_condition_broadcast (objc_condition_t condition)
644 if (__gthread_active_p ())
645 return __gthrw_(pthread_cond_broadcast) ((pthread_cond_t *) condition->backend);
650 /* Wake up one thread waiting on this condition. */
652 __gthread_objc_condition_signal (objc_condition_t condition)
654 if (__gthread_active_p ())
655 return __gthrw_(pthread_cond_signal) ((pthread_cond_t *) condition->backend);
663 __gthread_create (__gthread_t *__threadid, void *(*__func) (void*),
666 return __gthrw_(pthread_create) (__threadid, NULL, __func, __args);
670 __gthread_join (__gthread_t __threadid, void **__value_ptr)
672 return __gthrw_(pthread_join) (__threadid, __value_ptr);
676 __gthread_detach (__gthread_t __threadid)
678 return __gthrw_(pthread_detach) (__threadid);
682 __gthread_equal (__gthread_t __t1, __gthread_t __t2)
684 return __gthrw_(pthread_equal) (__t1, __t2);
687 static inline __gthread_t
688 __gthread_self (void)
690 return __gthrw_(pthread_self) ();
694 __gthread_yield (void)
696 return __gthrw_(sched_yield) ();
700 __gthread_once (__gthread_once_t *__once, void (*__func) (void))
702 if (__gthread_active_p ())
703 return __gthrw_(pthread_once) (__once, __func);
709 __gthread_key_create (__gthread_key_t *__key, void (*__dtor) (void *))
711 return __gthrw_(pthread_key_create) (__key, __dtor);
715 __gthread_key_delete (__gthread_key_t __key)
717 return __gthrw_(pthread_key_delete) (__key);
721 __gthread_getspecific (__gthread_key_t __key)
723 return __gthrw_(pthread_getspecific) (__key);
727 __gthread_setspecific (__gthread_key_t __key, const void *__ptr)
729 return __gthrw_(pthread_setspecific) (__key, __ptr);
732 #ifdef _GTHREAD_USE_MUTEX_INIT_FUNC
734 __gthread_mutex_init_function (__gthread_mutex_t *__mutex)
736 if (__gthread_active_p ())
737 __gthrw_(pthread_mutex_init) (__mutex, NULL);
742 __gthread_mutex_destroy (__gthread_mutex_t *__mutex)
744 if (__gthread_active_p ())
745 return __gthrw_(pthread_mutex_destroy) (__mutex);
751 __gthread_mutex_lock (__gthread_mutex_t *__mutex)
753 if (__gthread_active_p ())
754 return __gthrw_(pthread_mutex_lock) (__mutex);
760 __gthread_mutex_trylock (__gthread_mutex_t *__mutex)
762 if (__gthread_active_p ())
763 return __gthrw_(pthread_mutex_trylock) (__mutex);
768 #if _GTHREAD_USE_MUTEX_TIMEDLOCK
770 __gthread_mutex_timedlock (__gthread_mutex_t *__mutex,
771 const __gthread_time_t *__abs_timeout)
773 if (__gthread_active_p ())
774 return __gthrw_(pthread_mutex_timedlock) (__mutex, __abs_timeout);
781 __gthread_mutex_unlock (__gthread_mutex_t *__mutex)
783 if (__gthread_active_p ())
784 return __gthrw_(pthread_mutex_unlock) (__mutex);
789 #if !defined( PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP) \
790 || defined(_GTHREAD_USE_RECURSIVE_MUTEX_INIT_FUNC)
792 __gthread_recursive_mutex_init_function (__gthread_recursive_mutex_t *__mutex)
794 if (__gthread_active_p ())
796 pthread_mutexattr_t __attr;
799 __r = __gthrw_(pthread_mutexattr_init) (&__attr);
801 __r = __gthrw_(pthread_mutexattr_settype) (&__attr,
802 PTHREAD_MUTEX_RECURSIVE);
804 __r = __gthrw_(pthread_mutex_init) (__mutex, &__attr);
806 __r = __gthrw_(pthread_mutexattr_destroy) (&__attr);
814 __gthread_recursive_mutex_lock (__gthread_recursive_mutex_t *__mutex)
816 return __gthread_mutex_lock (__mutex);
820 __gthread_recursive_mutex_trylock (__gthread_recursive_mutex_t *__mutex)
822 return __gthread_mutex_trylock (__mutex);
825 #if _GTHREAD_USE_MUTEX_TIMEDLOCK
827 __gthread_recursive_mutex_timedlock (__gthread_recursive_mutex_t *__mutex,
828 const __gthread_time_t *__abs_timeout)
830 return __gthread_mutex_timedlock (__mutex, __abs_timeout);
835 __gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *__mutex)
837 return __gthread_mutex_unlock (__mutex);
840 #ifdef _GTHREAD_USE_COND_INIT_FUNC
842 __gthread_cond_init_function (__gthread_cond_t *__cond)
844 if (__gthread_active_p ())
845 __gthrw_(pthread_cond_init) (__cond, NULL);
850 __gthread_cond_broadcast (__gthread_cond_t *__cond)
852 return __gthrw_(pthread_cond_broadcast) (__cond);
856 __gthread_cond_signal (__gthread_cond_t *__cond)
858 return __gthrw_(pthread_cond_signal) (__cond);
862 __gthread_cond_wait (__gthread_cond_t *__cond, __gthread_mutex_t *__mutex)
864 return __gthrw_(pthread_cond_wait) (__cond, __mutex);
868 __gthread_cond_timedwait (__gthread_cond_t *__cond, __gthread_mutex_t *__mutex,
869 const __gthread_time_t *__abs_timeout)
871 return __gthrw_(pthread_cond_timedwait) (__cond, __mutex, __abs_timeout);
875 __gthread_cond_wait_recursive (__gthread_cond_t *__cond,
876 __gthread_recursive_mutex_t *__mutex)
878 return __gthread_cond_wait (__cond, __mutex);
882 __gthread_cond_timedwait_recursive (__gthread_cond_t *__cond,
883 __gthread_recursive_mutex_t *__mutex,
884 const __gthread_time_t *__abs_timeout)
886 return __gthread_cond_timedwait (__cond, __mutex, __abs_timeout);
890 __gthread_cond_destroy (__gthread_cond_t* __cond)
892 return __gthrw_(pthread_cond_destroy) (__cond);
895 #endif /* _LIBOBJC */
897 #endif /* ! GCC_GTHR_POSIX_H */