X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fgthr-posix95.h;h=55e254eb21f15bd5649a81edaff36771609af213;hb=1577e1c17a0e33424963d1dee28d9f819522eab6;hp=f4ee09fb0287ded86760928310fb7487773af3ac;hpb=0a3ecdc147a6b04d40d0638f979612644696cdf9;p=pf3gnuchains%2Fgcc-fork.git diff --git a/gcc/gthr-posix95.h b/gcc/gthr-posix95.h index f4ee09fb028..55e254eb21f 100644 --- a/gcc/gthr-posix95.h +++ b/gcc/gthr-posix95.h @@ -1,12 +1,12 @@ /* Threads compatibility routines for libgcc2 and libobjc. */ /* Compile this one with gcc. */ -/* Copyright (C) 2004, 2005 Free Software Foundation, Inc. +/* Copyright (C) 2004, 2005, 2007, 2008, 2009 Free Software Foundation, Inc. This file is part of GCC. GCC 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, or (at your option) any later +Software Foundation; either version 3, or (at your option) any later version. GCC is distributed in the hope that it will be useful, but WITHOUT ANY @@ -14,17 +14,14 @@ 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 GCC; see the file COPYING. If not, write to the Free -Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301, USA. */ +Under Section 7 of GPL version 3, you are granted additional +permissions described in the GCC Runtime Library Exception, version +3.1, as published by the Free Software Foundation. -/* As a special exception, if you link this library with other files, - some of which are compiled with GCC, to produce an executable, - this library does not by itself cause the resulting executable - to be covered by the GNU General Public License. - This exception does not however invalidate any other reasons why - the executable file might be covered by the GNU General Public License. */ +You should have received a copy of the GNU General Public License and +a copy of the GCC Runtime Library Exception along with this program; +see the files COPYING3 and COPYING.RUNTIME respectively. If not, see +. */ #ifndef GCC_GTHR_POSIX_H #define GCC_GTHR_POSIX_H @@ -45,6 +42,11 @@ Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA typedef pthread_key_t __gthread_key_t; typedef pthread_once_t __gthread_once_t; typedef pthread_mutex_t __gthread_mutex_t; +typedef pthread_cond_t __gthread_cond_t; + +/* POSIX like conditional variables are supported. Please look at comments + in gthr.h for details. */ +#define __GTHREAD_HAS_COND 1 typedef struct { long depth; @@ -55,78 +57,204 @@ typedef struct { #define __GTHREAD_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER #define __GTHREAD_ONCE_INIT PTHREAD_ONCE_INIT #define __GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION __gthread_recursive_mutex_init_function +#define __GTHREAD_COND_INIT PTHREAD_COND_INITIALIZER #if SUPPORTS_WEAK && GTHREAD_USE_WEAK # define __gthrw(name) \ - static __typeof(name) __gthrw_ ## name __attribute__ ((__weakref__(#name))) + static __typeof(name) __gthrw_ ## name __attribute__ ((__weakref__(#name))); +# define __gthrw_(name) __gthrw_ ## name #else -# define __gthrw_asmname(cname) __gthrw_asmnamep (__USER_LABEL_PREFIX__, cname) -# define __gthrw_asmnamep(prefix, cname) __gthrw_string (prefix) cname -# define __gthrw_string(x) #x -# define __gthrw(name) \ - extern __typeof(name) __gthrw_ ## name __asm (__gthrw_asmname (#name)) +# define __gthrw(name) +# define __gthrw_(name) name #endif -__gthrw(pthread_once); -__gthrw(pthread_key_create); -__gthrw(pthread_key_delete); -__gthrw(pthread_getspecific); -__gthrw(pthread_setspecific); -__gthrw(pthread_create); -__gthrw(pthread_cancel); -__gthrw(pthread_self); - -__gthrw(pthread_mutex_lock); -__gthrw(pthread_mutex_trylock); -__gthrw(pthread_mutex_unlock); -__gthrw(pthread_mutexattr_init); -__gthrw(pthread_mutexattr_destroy); - -__gthrw(pthread_mutex_init); +__gthrw(pthread_once) +__gthrw(pthread_key_create) +__gthrw(pthread_key_delete) +__gthrw(pthread_getspecific) +__gthrw(pthread_setspecific) +__gthrw(pthread_create) +__gthrw(pthread_cancel) +__gthrw(pthread_self) + +__gthrw(pthread_mutex_init) +__gthrw(pthread_mutex_destroy) +__gthrw(pthread_mutex_lock) +__gthrw(pthread_mutex_trylock) +__gthrw(pthread_mutex_unlock) +__gthrw(pthread_mutexattr_init) +__gthrw(pthread_mutexattr_destroy) + +__gthrw(pthread_cond_broadcast) +__gthrw(pthread_cond_wait) #if defined(_LIBOBJC) || defined(_LIBOBJC_WEAK) /* Objective-C. */ -__gthrw(pthread_cond_broadcast); -__gthrw(pthread_cond_destroy); -__gthrw(pthread_cond_init); -__gthrw(pthread_cond_signal); -__gthrw(pthread_cond_wait); -__gthrw(pthread_exit); -__gthrw(pthread_mutex_destroy); +__gthrw(pthread_cond_destroy) +__gthrw(pthread_cond_init) +__gthrw(pthread_cond_signal) +__gthrw(pthread_exit) #ifdef _POSIX_PRIORITY_SCHEDULING #ifdef _POSIX_THREAD_PRIORITY_SCHEDULING -__gthrw(sched_get_priority_max); -__gthrw(sched_get_priority_min); +__gthrw(sched_get_priority_max) +__gthrw(sched_get_priority_min) #endif /* _POSIX_THREAD_PRIORITY_SCHEDULING */ #endif /* _POSIX_PRIORITY_SCHEDULING */ -__gthrw(sched_yield); -__gthrw(pthread_attr_destroy); -__gthrw(pthread_attr_init); -__gthrw(pthread_attr_setdetachstate); +__gthrw(sched_yield) +__gthrw(pthread_attr_destroy) +__gthrw(pthread_attr_init) +__gthrw(pthread_attr_setdetachstate) #ifdef _POSIX_THREAD_PRIORITY_SCHEDULING -__gthrw(pthread_getschedparam); -__gthrw(pthread_setschedparam); +__gthrw(pthread_getschedparam) +__gthrw(pthread_setschedparam) #endif /* _POSIX_THREAD_PRIORITY_SCHEDULING */ #endif /* _LIBOBJC || _LIBOBJC_WEAK */ #if SUPPORTS_WEAK && GTHREAD_USE_WEAK +/* On Solaris 2.6 up to 9, the libc exposes a POSIX threads interface even if + -pthreads is not specified. The functions are dummies and most return an + error value. However pthread_once returns 0 without invoking the routine + it is passed so we cannot pretend that the interface is active if -pthreads + is not specified. On Solaris 2.5.1, the interface is not exposed at all so + we need to play the usual game with weak symbols. On Solaris 10 and up, a + working interface is always exposed. On FreeBSD 6 and later, libc also + exposes a dummy POSIX threads interface, similar to what Solaris 2.6 up + to 9 does. FreeBSD >= 700014 even provides a pthread_cancel stub in libc, + which means the alternate __gthread_active_p below cannot be used there. */ + +#if defined(__FreeBSD__) || (defined(__sun) && defined(__svr4__)) + +static volatile int __gthread_active = -1; + +static void +__gthread_trigger (void) +{ + __gthread_active = 1; +} + static inline int __gthread_active_p (void) { - static void *const __gthread_active_ptr - = __extension__ (void *) &__gthrw_pthread_cancel; + static pthread_mutex_t __gthread_active_mutex = PTHREAD_MUTEX_INITIALIZER; + static pthread_once_t __gthread_active_once = PTHREAD_ONCE_INIT; + + /* Avoid reading __gthread_active twice on the main code path. */ + int __gthread_active_latest_value = __gthread_active; + + /* This test is not protected to avoid taking a lock on the main code + path so every update of __gthread_active in a threaded program must + be atomic with regard to the result of the test. */ + if (__builtin_expect (__gthread_active_latest_value < 0, 0)) + { + if (__gthrw_(pthread_once)) + { + /* If this really is a threaded program, then we must ensure that + __gthread_active has been set to 1 before exiting this block. */ + __gthrw_(pthread_mutex_lock) (&__gthread_active_mutex); + __gthrw_(pthread_once) (&__gthread_active_once, __gthread_trigger); + __gthrw_(pthread_mutex_unlock) (&__gthread_active_mutex); + } + + /* Make sure we'll never enter this block again. */ + if (__gthread_active < 0) + __gthread_active = 0; + + __gthread_active_latest_value = __gthread_active; + } + + return __gthread_active_latest_value != 0; +} + +#else /* neither FreeBSD nor Solaris */ + +static inline int +__gthread_active_p (void) +{ + static void *const __gthread_active_ptr + = __extension__ (void *) &__gthrw_(pthread_cancel); return __gthread_active_ptr != 0; } +#endif /* FreeBSD or Solaris */ + #else /* not SUPPORTS_WEAK */ +/* Similar to Solaris, HP-UX 11 for PA-RISC provides stubs for pthread + calls in shared flavors of the HP-UX C library. Most of the stubs + have no functionality. The details are described in the "libc cumulative + patch" for each subversion of HP-UX 11. There are two special interfaces + provided for checking whether an application is linked to a pthread + library or not. However, these interfaces aren't available in early + libc versions. We also can't use pthread_once as some libc versions + call the init function. So, we use pthread_create to check whether it + is possible to create a thread or not. The stub implementation returns + the error number ENOSYS. */ + +#if defined(__hppa__) && defined(__hpux__) + +#include + +static volatile int __gthread_active = -1; + +static void * +__gthread_start (void *arg __attribute__((unused))) +{ + return NULL; +} + +static void __gthread_active_init (void) __attribute__((noinline)); +static void +__gthread_active_init (void) +{ + static pthread_mutex_t __gthread_active_mutex = PTHREAD_MUTEX_INITIALIZER; + pthread_t t; + pthread_attr_t a; + int result; + + __gthrw_(pthread_mutex_lock) (&__gthread_active_mutex); + if (__gthread_active < 0) + { + __gthrw_(pthread_attr_init) (&a); + __gthrw_(pthread_attr_setdetachstate) (&a, PTHREAD_CREATE_DETACHED); + result = __gthrw_(pthread_create) (&t, &a, __gthread_start, NULL); + if (result != ENOSYS) + __gthread_active = 1; + else + __gthread_active = 0; + __gthrw_(pthread_attr_destroy) (&a); + } + __gthrw_(pthread_mutex_unlock) (&__gthread_active_mutex); +} + +static inline int +__gthread_active_p (void) +{ + /* Avoid reading __gthread_active twice on the main code path. */ + int __gthread_active_latest_value = __gthread_active; + + /* This test is not protected to avoid taking a lock on the main code + path so every update of __gthread_active in a threaded program must + be atomic with regard to the result of the test. */ + if (__builtin_expect (__gthread_active_latest_value < 0, 0)) + { + __gthread_active_init (); + __gthread_active_latest_value = __gthread_active; + } + + return __gthread_active_latest_value != 0; +} + +#else /* not hppa-hpux */ + static inline int __gthread_active_p (void) { return 1; } +#endif /* hppa-hpux */ + #endif /* SUPPORTS_WEAK */ #ifdef _LIBOBJC @@ -154,13 +282,13 @@ __gthread_objc_init_thread_system (void) if (__gthread_active_p ()) { /* Initialize the thread storage key. */ - if (__gthrw_pthread_key_create (&_objc_thread_storage, NULL) == 0) + if (__gthrw_(pthread_key_create) (&_objc_thread_storage, NULL) == 0) { /* The normal default detach state for threads is * PTHREAD_CREATE_JOINABLE which causes threads to not die * when you think they should. */ - if (__gthrw_pthread_attr_init (&_objc_thread_attribs) == 0 - && __gthrw_pthread_attr_setdetachstate (&_objc_thread_attribs, + if (__gthrw_(pthread_attr_init) (&_objc_thread_attribs) == 0 + && __gthrw_(pthread_attr_setdetachstate) (&_objc_thread_attribs, PTHREAD_CREATE_DETACHED) == 0) return 0; } @@ -174,8 +302,8 @@ static inline int __gthread_objc_close_thread_system (void) { if (__gthread_active_p () - && __gthrw_pthread_key_delete (_objc_thread_storage) == 0 - && __gthrw_pthread_attr_destroy (&_objc_thread_attribs) == 0) + && __gthrw_(pthread_key_delete) (_objc_thread_storage) == 0 + && __gthrw_(pthread_attr_destroy) (&_objc_thread_attribs) == 0) return 0; return -1; @@ -193,7 +321,7 @@ __gthread_objc_thread_detach (void (*func)(void *), void *arg) if (!__gthread_active_p ()) return NULL; - if (!(__gthrw_pthread_create (&new_thread_handle, NULL, (void *) func, arg))) + if (!(__gthrw_(pthread_create) (&new_thread_handle, NULL, (void *) func, arg))) thread_id = (objc_thread_t) new_thread_handle; else thread_id = NULL; @@ -211,17 +339,17 @@ __gthread_objc_thread_set_priority (int priority) { #ifdef _POSIX_PRIORITY_SCHEDULING #ifdef _POSIX_THREAD_PRIORITY_SCHEDULING - pthread_t thread_id = __gthrw_pthread_self (); + pthread_t thread_id = __gthrw_(pthread_self) (); int policy; struct sched_param params; int priority_min, priority_max; - if (__gthrw_pthread_getschedparam (thread_id, &policy, ¶ms) == 0) + if (__gthrw_(pthread_getschedparam) (thread_id, &policy, ¶ms) == 0) { - if ((priority_max = __gthrw_sched_get_priority_max (policy)) == -1) + if ((priority_max = __gthrw_(sched_get_priority_max) (policy)) == -1) return -1; - if ((priority_min = __gthrw_sched_get_priority_min (policy)) == -1) + if ((priority_min = __gthrw_(sched_get_priority_min) (policy)) == -1) return -1; if (priority > priority_max) @@ -235,7 +363,7 @@ __gthread_objc_thread_set_priority (int priority) * this should be a pointer to policy but pthread.h is universally * at odds with this. */ - if (__gthrw_pthread_setschedparam (thread_id, policy, ¶ms) == 0) + if (__gthrw_(pthread_setschedparam) (thread_id, policy, ¶ms) == 0) return 0; } #endif /* _POSIX_THREAD_PRIORITY_SCHEDULING */ @@ -255,7 +383,7 @@ __gthread_objc_thread_get_priority (void) int policy; struct sched_param params; - if (__gthrw_pthread_getschedparam (__gthrw_pthread_self (), &policy, ¶ms) == 0) + if (__gthrw_(pthread_getschedparam) (__gthrw_(pthread_self) (), &policy, ¶ms) == 0) return params.sched_priority; else return -1; @@ -271,7 +399,7 @@ static inline void __gthread_objc_thread_yield (void) { if (__gthread_active_p ()) - __gthrw_sched_yield (); + __gthrw_(sched_yield) (); } /* Terminate the current thread. */ @@ -280,7 +408,7 @@ __gthread_objc_thread_exit (void) { if (__gthread_active_p ()) /* exit the thread */ - __gthrw_pthread_exit (&__objc_thread_exit_status); + __gthrw_(pthread_exit) (&__objc_thread_exit_status); /* Failed if we reached here */ return -1; @@ -291,7 +419,7 @@ static inline objc_thread_t __gthread_objc_thread_id (void) { if (__gthread_active_p ()) - return (objc_thread_t) __gthrw_pthread_self (); + return (objc_thread_t) __gthrw_(pthread_self) (); else return (objc_thread_t) 1; } @@ -301,7 +429,7 @@ static inline int __gthread_objc_thread_set_data (void *value) { if (__gthread_active_p ()) - return __gthrw_pthread_setspecific (_objc_thread_storage, value); + return __gthrw_(pthread_setspecific) (_objc_thread_storage, value); else { thread_local_storage = value; @@ -314,7 +442,7 @@ static inline void * __gthread_objc_thread_get_data (void) { if (__gthread_active_p ()) - return __gthrw_pthread_getspecific (_objc_thread_storage); + return __gthrw_(pthread_getspecific) (_objc_thread_storage); else return thread_local_storage; } @@ -329,7 +457,7 @@ __gthread_objc_mutex_allocate (objc_mutex_t mutex) { mutex->backend = objc_malloc (sizeof (pthread_mutex_t)); - if (__gthrw_pthread_mutex_init ((pthread_mutex_t *) mutex->backend, NULL)) + if (__gthrw_(pthread_mutex_init) ((pthread_mutex_t *) mutex->backend, NULL)) { objc_free (mutex->backend); mutex->backend = NULL; @@ -350,18 +478,18 @@ __gthread_objc_mutex_deallocate (objc_mutex_t mutex) /* * Posix Threads specifically require that the thread be unlocked - * for __gthrw_pthread_mutex_destroy to work. + * for __gthrw_(pthread_mutex_destroy) to work. */ do { - count = __gthrw_pthread_mutex_unlock ((pthread_mutex_t *) mutex->backend); + count = __gthrw_(pthread_mutex_unlock) ((pthread_mutex_t *) mutex->backend); if (count < 0) return -1; } while (count); - if (__gthrw_pthread_mutex_destroy ((pthread_mutex_t *) mutex->backend)) + if (__gthrw_(pthread_mutex_destroy) ((pthread_mutex_t *) mutex->backend)) return -1; objc_free (mutex->backend); @@ -375,7 +503,7 @@ static inline int __gthread_objc_mutex_lock (objc_mutex_t mutex) { if (__gthread_active_p () - && __gthrw_pthread_mutex_lock ((pthread_mutex_t *) mutex->backend) != 0) + && __gthrw_(pthread_mutex_lock) ((pthread_mutex_t *) mutex->backend) != 0) { return -1; } @@ -388,7 +516,7 @@ static inline int __gthread_objc_mutex_trylock (objc_mutex_t mutex) { if (__gthread_active_p () - && __gthrw_pthread_mutex_trylock ((pthread_mutex_t *) mutex->backend) != 0) + && __gthrw_(pthread_mutex_trylock) ((pthread_mutex_t *) mutex->backend) != 0) { return -1; } @@ -401,7 +529,7 @@ static inline int __gthread_objc_mutex_unlock (objc_mutex_t mutex) { if (__gthread_active_p () - && __gthrw_pthread_mutex_unlock ((pthread_mutex_t *) mutex->backend) != 0) + && __gthrw_(pthread_mutex_unlock) ((pthread_mutex_t *) mutex->backend) != 0) { return -1; } @@ -419,7 +547,7 @@ __gthread_objc_condition_allocate (objc_condition_t condition) { condition->backend = objc_malloc (sizeof (pthread_cond_t)); - if (__gthrw_pthread_cond_init ((pthread_cond_t *) condition->backend, NULL)) + if (__gthrw_(pthread_cond_init) ((pthread_cond_t *) condition->backend, NULL)) { objc_free (condition->backend); condition->backend = NULL; @@ -436,7 +564,7 @@ __gthread_objc_condition_deallocate (objc_condition_t condition) { if (__gthread_active_p ()) { - if (__gthrw_pthread_cond_destroy ((pthread_cond_t *) condition->backend)) + if (__gthrw_(pthread_cond_destroy) ((pthread_cond_t *) condition->backend)) return -1; objc_free (condition->backend); @@ -450,7 +578,7 @@ static inline int __gthread_objc_condition_wait (objc_condition_t condition, objc_mutex_t mutex) { if (__gthread_active_p ()) - return __gthrw_pthread_cond_wait ((pthread_cond_t *) condition->backend, + return __gthrw_(pthread_cond_wait) ((pthread_cond_t *) condition->backend, (pthread_mutex_t *) mutex->backend); else return 0; @@ -461,7 +589,7 @@ static inline int __gthread_objc_condition_broadcast (objc_condition_t condition) { if (__gthread_active_p ()) - return __gthrw_pthread_cond_broadcast ((pthread_cond_t *) condition->backend); + return __gthrw_(pthread_cond_broadcast) ((pthread_cond_t *) condition->backend); else return 0; } @@ -471,7 +599,7 @@ static inline int __gthread_objc_condition_signal (objc_condition_t condition) { if (__gthread_active_p ()) - return __gthrw_pthread_cond_signal ((pthread_cond_t *) condition->backend); + return __gthrw_(pthread_cond_signal) ((pthread_cond_t *) condition->backend); else return 0; } @@ -479,124 +607,152 @@ __gthread_objc_condition_signal (objc_condition_t condition) #else /* _LIBOBJC */ static inline int -__gthread_once (__gthread_once_t *once, void (*func) (void)) +__gthread_once (__gthread_once_t *__once, void (*__func) (void)) { if (__gthread_active_p ()) - return __gthrw_pthread_once (once, func); + return __gthrw_(pthread_once) (__once, __func); else return -1; } static inline int -__gthread_key_create (__gthread_key_t *key, void (*dtor) (void *)) +__gthread_key_create (__gthread_key_t *__key, void (*__dtor) (void *)) { - return __gthrw_pthread_key_create (key, dtor); + return __gthrw_(pthread_key_create) (__key, __dtor); } static inline int -__gthread_key_delete (__gthread_key_t key) +__gthread_key_delete (__gthread_key_t __key) { - return __gthrw_pthread_key_delete (key); + return __gthrw_(pthread_key_delete) (__key); } static inline void * -__gthread_getspecific (__gthread_key_t key) +__gthread_getspecific (__gthread_key_t __key) { - return __gthrw_pthread_getspecific (key); + return __gthrw_(pthread_getspecific) (__key); } static inline int -__gthread_setspecific (__gthread_key_t key, const void *ptr) +__gthread_setspecific (__gthread_key_t __key, const void *__ptr) { - return __gthrw_pthread_setspecific (key, ptr); + return __gthrw_(pthread_setspecific) (__key, __ptr); } static inline int -__gthread_mutex_lock (__gthread_mutex_t *mutex) +__gthread_mutex_destroy (__gthread_mutex_t *__mutex) { if (__gthread_active_p ()) - return __gthrw_pthread_mutex_lock (mutex); + return __gthrw_(pthread_mutex_destroy) (__mutex); else return 0; } static inline int -__gthread_mutex_trylock (__gthread_mutex_t *mutex) +__gthread_mutex_lock (__gthread_mutex_t *__mutex) { if (__gthread_active_p ()) - return __gthrw_pthread_mutex_trylock (mutex); + return __gthrw_(pthread_mutex_lock) (__mutex); else return 0; } static inline int -__gthread_mutex_unlock (__gthread_mutex_t *mutex) +__gthread_mutex_trylock (__gthread_mutex_t *__mutex) { if (__gthread_active_p ()) - return __gthrw_pthread_mutex_unlock (mutex); + return __gthrw_(pthread_mutex_trylock) (__mutex); else return 0; } static inline int -__gthread_recursive_mutex_init_function (__gthread_recursive_mutex_t *mutex) +__gthread_mutex_unlock (__gthread_mutex_t *__mutex) { - mutex->depth = 0; - mutex->owner = (pthread_t) 0; - return __gthrw_pthread_mutex_init (&mutex->actual, NULL); + if (__gthread_active_p ()) + return __gthrw_(pthread_mutex_unlock) (__mutex); + else + return 0; +} + +static inline int +__gthread_recursive_mutex_init_function (__gthread_recursive_mutex_t *__mutex) +{ + __mutex->depth = 0; + __mutex->owner = (pthread_t) 0; + return __gthrw_(pthread_mutex_init) (&__mutex->actual, NULL); } static inline int -__gthread_recursive_mutex_lock (__gthread_recursive_mutex_t *mutex) +__gthread_recursive_mutex_lock (__gthread_recursive_mutex_t *__mutex) { if (__gthread_active_p ()) { - pthread_t me = __gthrw_pthread_self (); + pthread_t __me = __gthrw_(pthread_self) (); - if (mutex->owner != me) + if (__mutex->owner != __me) { - __gthrw_pthread_mutex_lock (&mutex->actual); - mutex->owner = me; + __gthrw_(pthread_mutex_lock) (&__mutex->actual); + __mutex->owner = __me; } - mutex->depth++; + __mutex->depth++; } return 0; } static inline int -__gthread_recursive_mutex_trylock (__gthread_recursive_mutex_t *mutex) +__gthread_recursive_mutex_trylock (__gthread_recursive_mutex_t *__mutex) { if (__gthread_active_p ()) { - pthread_t me = __gthrw_pthread_self (); + pthread_t __me = __gthrw_(pthread_self) (); - if (mutex->owner != me) + if (__mutex->owner != __me) { - if (__gthrw_pthread_mutex_trylock (&mutex->actual)) + if (__gthrw_(pthread_mutex_trylock) (&__mutex->actual)) return 1; - mutex->owner = me; + __mutex->owner = __me; } - mutex->depth++; + __mutex->depth++; } return 0; } static inline int -__gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *mutex) +__gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *__mutex) { if (__gthread_active_p ()) { - if (--mutex->depth == 0) + if (--__mutex->depth == 0) { - mutex->owner = (pthread_t) 0; - __gthrw_pthread_mutex_unlock (&mutex->actual); + __mutex->owner = (pthread_t) 0; + __gthrw_(pthread_mutex_unlock) (&__mutex->actual); } } return 0; } +static inline int +__gthread_cond_broadcast (__gthread_cond_t *__cond) +{ + return __gthrw_(pthread_cond_broadcast) (__cond); +} + +static inline int +__gthread_cond_wait (__gthread_cond_t *__cond, __gthread_mutex_t *__mutex) +{ + return __gthrw_(pthread_cond_wait) (__cond, __mutex); +} + +static inline int +__gthread_cond_wait_recursive (__gthread_cond_t *__cond, + __gthread_recursive_mutex_t *__mutex) +{ + return __gthrw_(pthread_cond_wait) (__cond, &__mutex->actual); +} + #endif /* _LIBOBJC */ #endif /* ! GCC_GTHR_POSIX_H */