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 2008, 2009 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 3, 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 Under Section 7 of GPL version 3, you are granted additional
19 permissions described in the GCC Runtime Library Exception, version
20 3.1, as published by the Free Software Foundation.
22 You should have received a copy of the GNU General Public License and
23 a copy of the GCC Runtime Library Exception along with this program;
24 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
25 <http://www.gnu.org/licenses/>. */
27 #ifndef GCC_GTHR_POSIX_H
28 #define GCC_GTHR_POSIX_H
30 /* POSIX threads specific definitions.
31 Easy, since the interface is just one-to-one mapping. */
34 #define __GTHREADS_CXX0X 1
36 /* Some implementations of <pthread.h> require this to be defined. */
37 #if !defined(_REENTRANT) && defined(__osf__)
44 typedef pthread_t __gthread_t;
45 typedef pthread_key_t __gthread_key_t;
46 typedef pthread_once_t __gthread_once_t;
47 typedef pthread_mutex_t __gthread_mutex_t;
48 typedef pthread_mutex_t __gthread_recursive_mutex_t;
49 typedef pthread_cond_t __gthread_cond_t;
50 typedef struct timespec __gthread_time_t;
52 /* POSIX like conditional variables are supported. Please look at comments
53 in gthr.h for details. */
54 #define __GTHREAD_HAS_COND 1
56 #define __GTHREAD_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
57 #define __GTHREAD_ONCE_INIT PTHREAD_ONCE_INIT
58 #if defined(PTHREAD_RECURSIVE_MUTEX_INITIALIZER)
59 #define __GTHREAD_RECURSIVE_MUTEX_INIT PTHREAD_RECURSIVE_MUTEX_INITIALIZER
60 #elif defined(PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP)
61 #define __GTHREAD_RECURSIVE_MUTEX_INIT PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP
63 #define __GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION __gthread_recursive_mutex_init_function
65 #define __GTHREAD_COND_INIT PTHREAD_COND_INITIALIZER
66 #define __GTHREAD_TIME_INIT {0,0}
68 #if SUPPORTS_WEAK && GTHREAD_USE_WEAK
69 # ifndef __gthrw_pragma
70 # define __gthrw_pragma(pragma)
72 # define __gthrw2(name,name2,type) \
73 static __typeof(type) name __attribute__ ((__weakref__(#name2))); \
74 __gthrw_pragma(weak type)
75 # define __gthrw_(name) __gthrw_ ## name
77 # define __gthrw2(name,name2,type)
78 # define __gthrw_(name) name
81 /* Typically, __gthrw_foo is a weak reference to symbol foo. */
82 #define __gthrw(name) __gthrw2(__gthrw_ ## name,name,name)
84 /* On Tru64, /usr/include/pthread.h uses #pragma extern_prefix "__" to
85 map a subset of the POSIX pthread API to mangled versions of their
87 #if defined(__osf__) && defined(_PTHREAD_USE_MANGLED_NAMES_)
88 #define __gthrw3(name) __gthrw2(__gthrw_ ## name, __ ## name, name)
89 __gthrw3(pthread_once)
90 __gthrw3(pthread_getspecific)
91 __gthrw3(pthread_setspecific)
93 __gthrw3(pthread_create)
94 __gthrw3(pthread_join)
95 __gthrw3(pthread_detach)
96 __gthrw3(pthread_equal)
97 __gthrw3(pthread_self)
98 __gthrw3(pthread_cancel)
101 __gthrw3(pthread_mutex_lock)
102 __gthrw3(pthread_mutex_trylock)
103 #ifdef _POSIX_TIMEOUTS
104 #if _POSIX_TIMEOUTS >= 0
105 __gthrw3(pthread_mutex_timedlock)
107 #endif /* _POSIX_TIMEOUTS */
108 __gthrw3(pthread_mutex_unlock)
109 __gthrw3(pthread_mutex_init)
110 __gthrw3(pthread_mutex_destroy)
112 __gthrw3(pthread_cond_broadcast)
113 __gthrw3(pthread_cond_signal)
114 __gthrw3(pthread_cond_wait)
115 __gthrw3(pthread_cond_timedwait)
116 __gthrw3(pthread_cond_destroy)
118 __gthrw(pthread_once)
119 __gthrw(pthread_getspecific)
120 __gthrw(pthread_setspecific)
122 __gthrw(pthread_create)
123 __gthrw(pthread_join)
124 __gthrw(pthread_equal)
125 __gthrw(pthread_self)
126 __gthrw(pthread_detach)
127 __gthrw(pthread_cancel)
130 __gthrw(pthread_mutex_lock)
131 __gthrw(pthread_mutex_trylock)
132 #ifdef _POSIX_TIMEOUTS
133 #if _POSIX_TIMEOUTS >= 0
134 __gthrw(pthread_mutex_timedlock)
136 #endif /* _POSIX_TIMEOUTS */
137 __gthrw(pthread_mutex_unlock)
138 __gthrw(pthread_mutex_init)
139 __gthrw(pthread_mutex_destroy)
141 __gthrw(pthread_cond_broadcast)
142 __gthrw(pthread_cond_signal)
143 __gthrw(pthread_cond_wait)
144 __gthrw(pthread_cond_timedwait)
145 __gthrw(pthread_cond_destroy)
148 __gthrw(pthread_key_create)
149 __gthrw(pthread_key_delete)
150 __gthrw(pthread_mutexattr_init)
151 __gthrw(pthread_mutexattr_settype)
152 __gthrw(pthread_mutexattr_destroy)
155 #if defined(_LIBOBJC) || defined(_LIBOBJC_WEAK)
157 #if defined(__osf__) && defined(_PTHREAD_USE_MANGLED_NAMES_)
158 __gthrw3(pthread_cond_init)
159 __gthrw3(pthread_exit)
161 __gthrw(pthread_cond_init)
162 __gthrw(pthread_exit)
163 #endif /* __osf__ && _PTHREAD_USE_MANGLED_NAMES_ */
164 #ifdef _POSIX_PRIORITY_SCHEDULING
165 #ifdef _POSIX_THREAD_PRIORITY_SCHEDULING
166 __gthrw(sched_get_priority_max)
167 __gthrw(sched_get_priority_min)
168 #endif /* _POSIX_THREAD_PRIORITY_SCHEDULING */
169 #endif /* _POSIX_PRIORITY_SCHEDULING */
170 __gthrw(pthread_attr_destroy)
171 __gthrw(pthread_attr_init)
172 __gthrw(pthread_attr_setdetachstate)
173 #ifdef _POSIX_THREAD_PRIORITY_SCHEDULING
174 __gthrw(pthread_getschedparam)
175 __gthrw(pthread_setschedparam)
176 #endif /* _POSIX_THREAD_PRIORITY_SCHEDULING */
177 #endif /* _LIBOBJC || _LIBOBJC_WEAK */
179 #if SUPPORTS_WEAK && GTHREAD_USE_WEAK
181 /* On Solaris 2.6 up to 9, the libc exposes a POSIX threads interface even if
182 -pthreads is not specified. The functions are dummies and most return an
183 error value. However pthread_once returns 0 without invoking the routine
184 it is passed so we cannot pretend that the interface is active if -pthreads
185 is not specified. On Solaris 2.5.1, the interface is not exposed at all so
186 we need to play the usual game with weak symbols. On Solaris 10 and up, a
187 working interface is always exposed. On FreeBSD 6 and later, libc also
188 exposes a dummy POSIX threads interface, similar to what Solaris 2.6 up
189 to 9 does. FreeBSD >= 700014 even provides a pthread_cancel stub in libc,
190 which means the alternate __gthread_active_p below cannot be used there. */
192 #if defined(__FreeBSD__) || (defined(__sun) && defined(__svr4__))
194 static volatile int __gthread_active = -1;
197 __gthread_trigger (void)
199 __gthread_active = 1;
203 __gthread_active_p (void)
205 static pthread_mutex_t __gthread_active_mutex = PTHREAD_MUTEX_INITIALIZER;
206 static pthread_once_t __gthread_active_once = PTHREAD_ONCE_INIT;
208 /* Avoid reading __gthread_active twice on the main code path. */
209 int __gthread_active_latest_value = __gthread_active;
211 /* This test is not protected to avoid taking a lock on the main code
212 path so every update of __gthread_active in a threaded program must
213 be atomic with regard to the result of the test. */
214 if (__builtin_expect (__gthread_active_latest_value < 0, 0))
216 if (__gthrw_(pthread_once))
218 /* If this really is a threaded program, then we must ensure that
219 __gthread_active has been set to 1 before exiting this block. */
220 __gthrw_(pthread_mutex_lock) (&__gthread_active_mutex);
221 __gthrw_(pthread_once) (&__gthread_active_once, __gthread_trigger);
222 __gthrw_(pthread_mutex_unlock) (&__gthread_active_mutex);
225 /* Make sure we'll never enter this block again. */
226 if (__gthread_active < 0)
227 __gthread_active = 0;
229 __gthread_active_latest_value = __gthread_active;
232 return __gthread_active_latest_value != 0;
235 #else /* neither FreeBSD nor Solaris */
238 __gthread_active_p (void)
240 static void *const __gthread_active_ptr
241 = __extension__ (void *) &__gthrw_(pthread_cancel);
242 return __gthread_active_ptr != 0;
245 #endif /* FreeBSD or Solaris */
247 #else /* not SUPPORTS_WEAK */
249 /* Similar to Solaris, HP-UX 11 for PA-RISC provides stubs for pthread
250 calls in shared flavors of the HP-UX C library. Most of the stubs
251 have no functionality. The details are described in the "libc cumulative
252 patch" for each subversion of HP-UX 11. There are two special interfaces
253 provided for checking whether an application is linked to a shared pthread
254 library or not. However, these interfaces aren't available in early
255 libpthread libraries. We also need a test that works for archive
256 libraries. We can't use pthread_once as some libc versions call the
257 init function. We also can't use pthread_create or pthread_attr_init
258 as these create a thread and thereby prevent changing the default stack
259 size. The function pthread_default_stacksize_np is available in both
260 the archive and shared versions of libpthread. It can be used to
261 determine the default pthread stack size. There is a stub in some
262 shared libc versions which returns a zero size if pthreads are not
263 active. We provide an equivalent stub to handle cases where libc
264 doesn't provide one. */
266 #if defined(__hppa__) && defined(__hpux__)
268 static volatile int __gthread_active = -1;
271 __gthread_active_p (void)
273 /* Avoid reading __gthread_active twice on the main code path. */
274 int __gthread_active_latest_value = __gthread_active;
277 if (__builtin_expect (__gthread_active_latest_value < 0, 0))
279 pthread_default_stacksize_np (0, &__s);
280 __gthread_active = __s ? 1 : 0;
281 __gthread_active_latest_value = __gthread_active;
284 return __gthread_active_latest_value != 0;
287 #else /* not hppa-hpux */
290 __gthread_active_p (void)
295 #endif /* hppa-hpux */
297 #endif /* SUPPORTS_WEAK */
301 /* This is the config.h file in libobjc/ */
308 /* Key structure for maintaining thread specific storage */
309 static pthread_key_t _objc_thread_storage;
310 static pthread_attr_t _objc_thread_attribs;
312 /* Thread local storage for a single thread */
313 static void *thread_local_storage = NULL;
315 /* Backend initialization functions */
317 /* Initialize the threads subsystem. */
319 __gthread_objc_init_thread_system (void)
321 if (__gthread_active_p ())
323 /* Initialize the thread storage key. */
324 if (__gthrw_(pthread_key_create) (&_objc_thread_storage, NULL) == 0)
326 /* The normal default detach state for threads is
327 * PTHREAD_CREATE_JOINABLE which causes threads to not die
328 * when you think they should. */
329 if (__gthrw_(pthread_attr_init) (&_objc_thread_attribs) == 0
330 && __gthrw_(pthread_attr_setdetachstate) (&_objc_thread_attribs,
331 PTHREAD_CREATE_DETACHED) == 0)
339 /* Close the threads subsystem. */
341 __gthread_objc_close_thread_system (void)
343 if (__gthread_active_p ()
344 && __gthrw_(pthread_key_delete) (_objc_thread_storage) == 0
345 && __gthrw_(pthread_attr_destroy) (&_objc_thread_attribs) == 0)
351 /* Backend thread functions */
353 /* Create a new thread of execution. */
354 static inline objc_thread_t
355 __gthread_objc_thread_detach (void (*func)(void *), void *arg)
357 objc_thread_t thread_id;
358 pthread_t new_thread_handle;
360 if (!__gthread_active_p ())
363 if (!(__gthrw_(pthread_create) (&new_thread_handle, NULL, (void *) func, arg)))
364 thread_id = (objc_thread_t) new_thread_handle;
371 /* Set the current thread's priority. */
373 __gthread_objc_thread_set_priority (int priority)
375 if (!__gthread_active_p ())
379 #ifdef _POSIX_PRIORITY_SCHEDULING
380 #ifdef _POSIX_THREAD_PRIORITY_SCHEDULING
381 pthread_t thread_id = __gthrw_(pthread_self) ();
383 struct sched_param params;
384 int priority_min, priority_max;
386 if (__gthrw_(pthread_getschedparam) (thread_id, &policy, ¶ms) == 0)
388 if ((priority_max = __gthrw_(sched_get_priority_max) (policy)) == -1)
391 if ((priority_min = __gthrw_(sched_get_priority_min) (policy)) == -1)
394 if (priority > priority_max)
395 priority = priority_max;
396 else if (priority < priority_min)
397 priority = priority_min;
398 params.sched_priority = priority;
401 * The solaris 7 and several other man pages incorrectly state that
402 * this should be a pointer to policy but pthread.h is universally
405 if (__gthrw_(pthread_setschedparam) (thread_id, policy, ¶ms) == 0)
408 #endif /* _POSIX_THREAD_PRIORITY_SCHEDULING */
409 #endif /* _POSIX_PRIORITY_SCHEDULING */
414 /* Return the current thread's priority. */
416 __gthread_objc_thread_get_priority (void)
418 #ifdef _POSIX_PRIORITY_SCHEDULING
419 #ifdef _POSIX_THREAD_PRIORITY_SCHEDULING
420 if (__gthread_active_p ())
423 struct sched_param params;
425 if (__gthrw_(pthread_getschedparam) (__gthrw_(pthread_self) (), &policy, ¶ms) == 0)
426 return params.sched_priority;
431 #endif /* _POSIX_THREAD_PRIORITY_SCHEDULING */
432 #endif /* _POSIX_PRIORITY_SCHEDULING */
433 return OBJC_THREAD_INTERACTIVE_PRIORITY;
436 /* Yield our process time to another thread. */
438 __gthread_objc_thread_yield (void)
440 if (__gthread_active_p ())
441 __gthrw_(sched_yield) ();
444 /* Terminate the current thread. */
446 __gthread_objc_thread_exit (void)
448 if (__gthread_active_p ())
449 /* exit the thread */
450 __gthrw_(pthread_exit) (&__objc_thread_exit_status);
452 /* Failed if we reached here */
456 /* Returns an integer value which uniquely describes a thread. */
457 static inline objc_thread_t
458 __gthread_objc_thread_id (void)
460 if (__gthread_active_p ())
461 return (objc_thread_t) __gthrw_(pthread_self) ();
463 return (objc_thread_t) 1;
466 /* Sets the thread's local storage pointer. */
468 __gthread_objc_thread_set_data (void *value)
470 if (__gthread_active_p ())
471 return __gthrw_(pthread_setspecific) (_objc_thread_storage, value);
474 thread_local_storage = value;
479 /* Returns the thread's local storage pointer. */
481 __gthread_objc_thread_get_data (void)
483 if (__gthread_active_p ())
484 return __gthrw_(pthread_getspecific) (_objc_thread_storage);
486 return thread_local_storage;
489 /* Backend mutex functions */
491 /* Allocate a mutex. */
493 __gthread_objc_mutex_allocate (objc_mutex_t mutex)
495 if (__gthread_active_p ())
497 mutex->backend = objc_malloc (sizeof (pthread_mutex_t));
499 if (__gthrw_(pthread_mutex_init) ((pthread_mutex_t *) mutex->backend, NULL))
501 objc_free (mutex->backend);
502 mutex->backend = NULL;
510 /* Deallocate a mutex. */
512 __gthread_objc_mutex_deallocate (objc_mutex_t mutex)
514 if (__gthread_active_p ())
519 * Posix Threads specifically require that the thread be unlocked
520 * for __gthrw_(pthread_mutex_destroy) to work.
525 count = __gthrw_(pthread_mutex_unlock) ((pthread_mutex_t *) mutex->backend);
531 if (__gthrw_(pthread_mutex_destroy) ((pthread_mutex_t *) mutex->backend))
534 objc_free (mutex->backend);
535 mutex->backend = NULL;
540 /* Grab a lock on a mutex. */
542 __gthread_objc_mutex_lock (objc_mutex_t mutex)
544 if (__gthread_active_p ()
545 && __gthrw_(pthread_mutex_lock) ((pthread_mutex_t *) mutex->backend) != 0)
553 /* Try to grab a lock on a mutex. */
555 __gthread_objc_mutex_trylock (objc_mutex_t mutex)
557 if (__gthread_active_p ()
558 && __gthrw_(pthread_mutex_trylock) ((pthread_mutex_t *) mutex->backend) != 0)
566 /* Unlock the mutex */
568 __gthread_objc_mutex_unlock (objc_mutex_t mutex)
570 if (__gthread_active_p ()
571 && __gthrw_(pthread_mutex_unlock) ((pthread_mutex_t *) mutex->backend) != 0)
579 /* Backend condition mutex functions */
581 /* Allocate a condition. */
583 __gthread_objc_condition_allocate (objc_condition_t condition)
585 if (__gthread_active_p ())
587 condition->backend = objc_malloc (sizeof (pthread_cond_t));
589 if (__gthrw_(pthread_cond_init) ((pthread_cond_t *) condition->backend, NULL))
591 objc_free (condition->backend);
592 condition->backend = NULL;
600 /* Deallocate a condition. */
602 __gthread_objc_condition_deallocate (objc_condition_t condition)
604 if (__gthread_active_p ())
606 if (__gthrw_(pthread_cond_destroy) ((pthread_cond_t *) condition->backend))
609 objc_free (condition->backend);
610 condition->backend = NULL;
615 /* Wait on the condition */
617 __gthread_objc_condition_wait (objc_condition_t condition, objc_mutex_t mutex)
619 if (__gthread_active_p ())
620 return __gthrw_(pthread_cond_wait) ((pthread_cond_t *) condition->backend,
621 (pthread_mutex_t *) mutex->backend);
626 /* Wake up all threads waiting on this condition. */
628 __gthread_objc_condition_broadcast (objc_condition_t condition)
630 if (__gthread_active_p ())
631 return __gthrw_(pthread_cond_broadcast) ((pthread_cond_t *) condition->backend);
636 /* Wake up one thread waiting on this condition. */
638 __gthread_objc_condition_signal (objc_condition_t condition)
640 if (__gthread_active_p ())
641 return __gthrw_(pthread_cond_signal) ((pthread_cond_t *) condition->backend);
649 __gthread_create (__gthread_t *__threadid, void *(*__func) (void*),
652 return __gthrw_(pthread_create) (__threadid, NULL, __func, __args);
656 __gthread_join (__gthread_t __threadid, void **__value_ptr)
658 return __gthrw_(pthread_join) (__threadid, __value_ptr);
662 __gthread_detach (__gthread_t __threadid)
664 return __gthrw_(pthread_detach) (__threadid);
668 __gthread_equal (__gthread_t __t1, __gthread_t __t2)
670 return __gthrw_(pthread_equal) (__t1, __t2);
673 static inline __gthread_t
674 __gthread_self (void)
676 return __gthrw_(pthread_self) ();
680 __gthread_yield (void)
682 return __gthrw_(sched_yield) ();
686 __gthread_once (__gthread_once_t *__once, void (*__func) (void))
688 if (__gthread_active_p ())
689 return __gthrw_(pthread_once) (__once, __func);
695 __gthread_key_create (__gthread_key_t *__key, void (*__dtor) (void *))
697 return __gthrw_(pthread_key_create) (__key, __dtor);
701 __gthread_key_delete (__gthread_key_t __key)
703 return __gthrw_(pthread_key_delete) (__key);
707 __gthread_getspecific (__gthread_key_t __key)
709 return __gthrw_(pthread_getspecific) (__key);
713 __gthread_setspecific (__gthread_key_t __key, const void *__ptr)
715 return __gthrw_(pthread_setspecific) (__key, __ptr);
719 __gthread_mutex_destroy (__gthread_mutex_t *__mutex)
721 if (__gthread_active_p ())
722 return __gthrw_(pthread_mutex_destroy) (__mutex);
728 __gthread_mutex_lock (__gthread_mutex_t *__mutex)
730 if (__gthread_active_p ())
731 return __gthrw_(pthread_mutex_lock) (__mutex);
737 __gthread_mutex_trylock (__gthread_mutex_t *__mutex)
739 if (__gthread_active_p ())
740 return __gthrw_(pthread_mutex_trylock) (__mutex);
745 #ifdef _POSIX_TIMEOUTS
746 #if _POSIX_TIMEOUTS >= 0
748 __gthread_mutex_timedlock (__gthread_mutex_t *__mutex,
749 const __gthread_time_t *__abs_timeout)
751 if (__gthread_active_p ())
752 return __gthrw_(pthread_mutex_timedlock) (__mutex, __abs_timeout);
760 __gthread_mutex_unlock (__gthread_mutex_t *__mutex)
762 if (__gthread_active_p ())
763 return __gthrw_(pthread_mutex_unlock) (__mutex);
768 #ifndef PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP
770 __gthread_recursive_mutex_init_function (__gthread_recursive_mutex_t *__mutex)
772 if (__gthread_active_p ())
774 pthread_mutexattr_t __attr;
777 __r = __gthrw_(pthread_mutexattr_init) (&__attr);
779 __r = __gthrw_(pthread_mutexattr_settype) (&__attr,
780 PTHREAD_MUTEX_RECURSIVE);
782 __r = __gthrw_(pthread_mutex_init) (__mutex, &__attr);
784 __r = __gthrw_(pthread_mutexattr_destroy) (&__attr);
792 __gthread_recursive_mutex_lock (__gthread_recursive_mutex_t *__mutex)
794 return __gthread_mutex_lock (__mutex);
798 __gthread_recursive_mutex_trylock (__gthread_recursive_mutex_t *__mutex)
800 return __gthread_mutex_trylock (__mutex);
803 #ifdef _POSIX_TIMEOUTS
804 #if _POSIX_TIMEOUTS >= 0
806 __gthread_recursive_mutex_timedlock (__gthread_recursive_mutex_t *__mutex,
807 const __gthread_time_t *__abs_timeout)
809 return __gthread_mutex_timedlock (__mutex, __abs_timeout);
815 __gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *__mutex)
817 return __gthread_mutex_unlock (__mutex);
821 __gthread_cond_broadcast (__gthread_cond_t *__cond)
823 return __gthrw_(pthread_cond_broadcast) (__cond);
827 __gthread_cond_signal (__gthread_cond_t *__cond)
829 return __gthrw_(pthread_cond_signal) (__cond);
833 __gthread_cond_wait (__gthread_cond_t *__cond, __gthread_mutex_t *__mutex)
835 return __gthrw_(pthread_cond_wait) (__cond, __mutex);
839 __gthread_cond_timedwait (__gthread_cond_t *__cond, __gthread_mutex_t *__mutex,
840 const __gthread_time_t *__abs_timeout)
842 return __gthrw_(pthread_cond_timedwait) (__cond, __mutex, __abs_timeout);
846 __gthread_cond_wait_recursive (__gthread_cond_t *__cond,
847 __gthread_recursive_mutex_t *__mutex)
849 return __gthread_cond_wait (__cond, __mutex);
853 __gthread_cond_timedwait_recursive (__gthread_cond_t *__cond,
854 __gthread_recursive_mutex_t *__mutex,
855 const __gthread_time_t *__abs_timeout)
857 return __gthread_cond_timedwait (__cond, __mutex, __abs_timeout);
861 __gthread_cond_destroy (__gthread_cond_t* __cond)
863 return __gthrw_(pthread_cond_destroy) (__cond);
866 #endif /* _LIBOBJC */
868 #endif /* ! GCC_GTHR_POSIX_H */