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* unpublished proprietary information of Silicon Graphics, Inc., and *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