#ifndef _PTHREAD_H_ #define _PTHREAD_H_ #ifdef __cplusplus extern "C" { #endif /************************************************************************** * * * Copyright (C) 1996 Silicon Graphics, Inc. * * * * These coded instructions, statements, and computer programs contain * * unpublished proprietary information of Silicon Graphics, Inc., and * * are protected by Federal copyright law. They may not be disclosed * * to third parties or copied or duplicated in any form, in whole or * * in part, without the prior written consent of Silicon Graphics, Inc. * * * **************************************************************************/ /* * POSIX 1C Threads header file */ #include #ifndef _POSIX1C #define _POSIX1C 1 #endif #ifndef _SGI_MP_SOURCE #define _SGI_MP_SOURCE #endif #include #include #include #include #if _SGIAPI && !defined(errno) #define errno (*__oserror()) /* use threadsafe definition */ extern int *__oserror(void); #endif #define PTHREAD_PROCESS_SHARED 0 #define PTHREAD_PROCESS_PRIVATE 1 /* * Threads */ /* Thread creation attributes */ #define _POSIX_THREAD_ATTR_STACKSIZE 1 #define _POSIX_THREAD_ATTR_STACKADDR 1 int pthread_attr_init(pthread_attr_t *); int pthread_attr_destroy(pthread_attr_t *); int pthread_attr_setstacksize(pthread_attr_t *, size_t); int pthread_attr_getstacksize(const pthread_attr_t *, size_t *); int pthread_attr_setstackaddr(pthread_attr_t *, void *); int pthread_attr_getstackaddr(const pthread_attr_t *, void **); int pthread_attr_setguardsize(pthread_attr_t *, size_t); int pthread_attr_getguardsize(const pthread_attr_t *, size_t *); int pthread_attr_setdetachstate(pthread_attr_t *, int); int pthread_attr_getdetachstate(const pthread_attr_t *, int *); #define PTHREAD_CREATE_JOINABLE 0 #define PTHREAD_CREATE_DETACHED 1 /* Thread scheduling attributes */ #define _POSIX_THREAD_PRIORITY_SCHEDULING 1 int pthread_attr_setscope(pthread_attr_t *, int); int pthread_attr_getscope(const pthread_attr_t *, int *); int pthread_attr_setinheritsched(pthread_attr_t *, int); int pthread_attr_getinheritsched(const pthread_attr_t *, int *); int pthread_attr_setschedpolicy(pthread_attr_t *, int); int pthread_attr_getschedpolicy(const pthread_attr_t *, int *); int pthread_attr_setschedparam(pthread_attr_t *, const struct sched_param *); int pthread_attr_getschedparam(const pthread_attr_t *, struct sched_param *); #define PTHREAD_SCOPE_PROCESS 0 #define PTHREAD_SCOPE_SYSTEM 1 #define PTHREAD_EXPLICIT_SCHED 0 #define PTHREAD_INHERIT_SCHED 1 /* Thread creation and control */ int pthread_create(pthread_t *, const pthread_attr_t *, void *(*)(void *), void *); int pthread_join(pthread_t, void **); int pthread_detach(pthread_t); void pthread_exit(void *); pthread_t pthread_self(void); int pthread_equal(pthread_t, pthread_t); #define pthread_equal(t1, t2) ((t1) == (t2)) int pthread_once(pthread_once_t *, void (*)(void)); #define PTHREAD_ONCE_INIT 0 /* Thread scheduling control */ int pthread_getschedparam(pthread_t, int *, struct sched_param *); int pthread_setschedparam(pthread_t, int, const struct sched_param *); int pthread_getconcurrency(void); int pthread_setconcurrency(int); int pthread_getrunon_np(int *); int pthread_setrunon_np(int); /* Thread cancellation */ int pthread_cancel(pthread_t); int pthread_setcancelstate(int, int *); int pthread_setcanceltype(int, int *); void pthread_testcancel(void); struct __pthread_cncl_hdlr **__pthread_cancel_list(void); struct __pthread_cncl_hdlr { struct __pthread_cncl_hdlr *__ptch_next; void (*__ptch_func)(void *); void *__ptch_arg; }; #define pthread_cleanup_push(func, arg) \ { /* start of cleanup scope */ \ struct __pthread_cncl_hdlr __ptch; \ struct __pthread_cncl_hdlr **__ptch_list; \ __ptch.__ptch_func = func; \ __ptch.__ptch_arg = arg; \ __ptch_list = __pthread_cancel_list(); \ __ptch.__ptch_next = *__ptch_list; \ *__ptch_list = &__ptch #define pthread_cleanup_pop(exec) \ *__ptch_list = __ptch.__ptch_next; \ if (exec) { \ (*__ptch.__ptch_func)(__ptch.__ptch_arg); \ } \ } /* end of cleanup scope */ #define PTHREAD_CANCELED ((void *)(1L)) #define PTHREAD_CANCEL_DISABLE 0 #define PTHREAD_CANCEL_ENABLE 1 #define PTHREAD_CANCEL_ASYNCHRONOUS 0 #define PTHREAD_CANCEL_DEFERRED 1 /* * Mutexes */ /* Mutex initialisation attributes */ int pthread_mutexattr_init(pthread_mutexattr_t *); int pthread_mutexattr_destroy(pthread_mutexattr_t *); int pthread_mutexattr_getpshared(const pthread_mutexattr_t *, int *); int pthread_mutexattr_setpshared(pthread_mutexattr_t *, int); /* Mutex scheduling attributes */ int pthread_mutexattr_setprotocol(pthread_mutexattr_t *, int); int pthread_mutexattr_getprotocol(const pthread_mutexattr_t *, int *); int pthread_mutexattr_setprioceiling(pthread_mutexattr_t *, int); int pthread_mutexattr_getprioceiling(const pthread_mutexattr_t *, int *); #define _POSIX_THREAD_PRIO_INHERIT 1 #define _POSIX_THREAD_PRIO_PROTECT 1 #define PTHREAD_PRIO_NONE 0 /* priority unaffected */ #define PTHREAD_PRIO_INHERIT 1 /* priority inheritance */ #define PTHREAD_PRIO_PROTECT 2 /* priority ceiling */ /* Mutex type attributes */ int pthread_mutexattr_settype(pthread_mutexattr_t *, int); int pthread_mutexattr_gettype(const pthread_mutexattr_t *, int *); #define PTHREAD_MUTEX_NORMAL 0 #define PTHREAD_MUTEX_ERRORCHECK 1 #define PTHREAD_MUTEX_RECURSIVE 2 #define PTHREAD_MUTEX_DEFAULT 3 /* Mutex creation and control */ int pthread_mutex_init(pthread_mutex_t *, const pthread_mutexattr_t *); int pthread_mutex_destroy(pthread_mutex_t *); int pthread_mutex_lock(pthread_mutex_t *); int pthread_mutex_trylock(pthread_mutex_t *); int pthread_mutex_unlock(pthread_mutex_t *); #define PTHREAD_MUTEX_INITIALIZER { 0 } /* Mutex scheduling control */ int pthread_mutex_setprioceiling(pthread_mutex_t *, int, int *); int pthread_mutex_getprioceiling(const pthread_mutex_t *, int *); /* * Condition Variables */ /* Condition variable initialization attributes */ int pthread_condattr_init(pthread_condattr_t *); int pthread_condattr_destroy(pthread_condattr_t *); int pthread_condattr_getpshared(const pthread_condattr_t *, int *); int pthread_condattr_setpshared(pthread_condattr_t *, int); /* Condition variable operations */ int pthread_cond_init(pthread_cond_t *, const pthread_condattr_t *); int pthread_cond_destroy(pthread_cond_t *); int pthread_cond_signal(pthread_cond_t *); int pthread_cond_broadcast(pthread_cond_t *); int pthread_cond_wait(pthread_cond_t *, pthread_mutex_t *); int pthread_cond_timedwait(pthread_cond_t *, pthread_mutex_t *, const struct timespec *); #define PTHREAD_COND_INITIALIZER { 0 } /* * Read-write locks */ /* Read-write lock initialization attributes */ int pthread_rwlockattr_init(pthread_rwlockattr_t *); int pthread_rwlockattr_destroy(pthread_rwlockattr_t *); int pthread_rwlockattr_getpshared(const pthread_rwlockattr_t *, int *); int pthread_rwlockattr_setpshared(pthread_rwlockattr_t *, int); /* Read-write lock creation and control */ int pthread_rwlock_init(pthread_rwlock_t *, const pthread_rwlockattr_t *); int pthread_rwlock_destroy(pthread_rwlock_t *); int pthread_rwlock_rdlock(pthread_rwlock_t *); int pthread_rwlock_tryrdlock(pthread_rwlock_t *); int pthread_rwlock_wrlock(pthread_rwlock_t *); int pthread_rwlock_trywrlock(pthread_rwlock_t *); int pthread_rwlock_unlock(pthread_rwlock_t *); #define PTHREAD_RWLOCK_INITIALIZER { 0 } /* * Thread-specific data */ int pthread_key_create(pthread_key_t *, void (*)(void *)); int pthread_setspecific(pthread_key_t, const void *); void *pthread_getspecific(pthread_key_t); int pthread_key_delete(pthread_key_t); /* * Miscellaneous */ #ifdef __cplusplus } #endif #endif /* !_PTHREAD_H_ */