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457 lines
15 KiB
C
457 lines
15 KiB
C
4 years ago
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/*
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* Written by Joel Sherrill <joel.sherrill@OARcorp.com>.
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*
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* COPYRIGHT (c) 1989-2013, 2015.
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* On-Line Applications Research Corporation (OAR).
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose without fee is hereby granted, provided that this entire notice
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* is included in all copies of any software which is or includes a copy
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* or modification of this software.
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*
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* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
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* WARRANTY. IN PARTICULAR, THE AUTHOR MAKES NO REPRESENTATION
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* OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY OF THIS
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* SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
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*/
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#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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#include <unistd.h>
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#if defined(_POSIX_THREADS)
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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/cdefs.h>
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struct _pthread_cleanup_context {
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void (*_routine)(void *);
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void *_arg;
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int _canceltype;
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struct _pthread_cleanup_context *_previous;
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};
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/* Register Fork Handlers */
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int _EXFUN(pthread_atfork,(void (*prepare)(void), void (*parent)(void),
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void (*child)(void)));
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/* Mutex Initialization Attributes, P1003.1c/Draft 10, p. 81 */
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int _EXFUN(pthread_mutexattr_init, (pthread_mutexattr_t *__attr));
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int _EXFUN(pthread_mutexattr_destroy, (pthread_mutexattr_t *__attr));
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int _EXFUN(pthread_mutexattr_getpshared,
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(_CONST pthread_mutexattr_t *__attr, int *__pshared));
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int _EXFUN(pthread_mutexattr_setpshared,
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(pthread_mutexattr_t *__attr, int __pshared));
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#if defined(_UNIX98_THREAD_MUTEX_ATTRIBUTES)
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/* Single UNIX Specification 2 Mutex Attributes types */
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int _EXFUN(pthread_mutexattr_gettype,
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(_CONST pthread_mutexattr_t *__attr, int *__kind));
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int _EXFUN(pthread_mutexattr_settype,
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(pthread_mutexattr_t *__attr, int __kind));
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#endif
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/* Initializing and Destroying a Mutex, P1003.1c/Draft 10, p. 87 */
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int _EXFUN(pthread_mutex_init,
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(pthread_mutex_t *__mutex, _CONST pthread_mutexattr_t *__attr));
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int _EXFUN(pthread_mutex_destroy, (pthread_mutex_t *__mutex));
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/* This is used to statically initialize a pthread_mutex_t. Example:
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pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
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*/
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#define PTHREAD_MUTEX_INITIALIZER _PTHREAD_MUTEX_INITIALIZER
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/* Locking and Unlocking a Mutex, P1003.1c/Draft 10, p. 93
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NOTE: P1003.4b/D8 adds pthread_mutex_timedlock(), p. 29 */
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int _EXFUN(pthread_mutex_lock, (pthread_mutex_t *__mutex));
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int _EXFUN(pthread_mutex_trylock, (pthread_mutex_t *__mutex));
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int _EXFUN(pthread_mutex_unlock, (pthread_mutex_t *__mutex));
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#if defined(_POSIX_TIMEOUTS)
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int _EXFUN(pthread_mutex_timedlock,
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(pthread_mutex_t *__mutex, _CONST struct timespec *__timeout));
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#endif /* _POSIX_TIMEOUTS */
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/* Condition Variable Initialization Attributes, P1003.1c/Draft 10, p. 96 */
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int _EXFUN(pthread_condattr_init, (pthread_condattr_t *__attr));
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int _EXFUN(pthread_condattr_destroy, (pthread_condattr_t *__attr));
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int _EXFUN(pthread_condattr_getclock,
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(const pthread_condattr_t *__restrict __attr,
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clockid_t *__restrict __clock_id));
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int _EXFUN(pthread_condattr_setclock,
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(pthread_condattr_t *__attr, clockid_t __clock_id));
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int _EXFUN(pthread_condattr_getpshared,
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(_CONST pthread_condattr_t *__attr, int *__pshared));
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int _EXFUN(pthread_condattr_setpshared,
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(pthread_condattr_t *__attr, int __pshared));
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/* Initializing and Destroying a Condition Variable, P1003.1c/Draft 10, p. 87 */
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int _EXFUN(pthread_cond_init,
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(pthread_cond_t *__cond, _CONST pthread_condattr_t *__attr));
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int _EXFUN(pthread_cond_destroy, (pthread_cond_t *__mutex));
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/* This is used to statically initialize a pthread_cond_t. Example:
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pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
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*/
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#define PTHREAD_COND_INITIALIZER _PTHREAD_COND_INITIALIZER
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/* Broadcasting and Signaling a Condition, P1003.1c/Draft 10, p. 101 */
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int _EXFUN(pthread_cond_signal, (pthread_cond_t *__cond));
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int _EXFUN(pthread_cond_broadcast, (pthread_cond_t *__cond));
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/* Waiting on a Condition, P1003.1c/Draft 10, p. 105 */
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int _EXFUN(pthread_cond_wait,
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(pthread_cond_t *__cond, pthread_mutex_t *__mutex));
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int _EXFUN(pthread_cond_timedwait,
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(pthread_cond_t *__cond, pthread_mutex_t *__mutex,
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_CONST struct timespec *__abstime));
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#if defined(_POSIX_THREAD_PRIORITY_SCHEDULING)
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/* Thread Creation Scheduling Attributes, P1003.1c/Draft 10, p. 120 */
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int _EXFUN(pthread_attr_setscope,
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(pthread_attr_t *__attr, int __contentionscope));
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int _EXFUN(pthread_attr_getscope,
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(_CONST pthread_attr_t *__attr, int *__contentionscope));
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int _EXFUN(pthread_attr_setinheritsched,
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(pthread_attr_t *__attr, int __inheritsched));
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int _EXFUN(pthread_attr_getinheritsched,
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(_CONST pthread_attr_t *__attr, int *__inheritsched));
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int _EXFUN(pthread_attr_setschedpolicy,
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(pthread_attr_t *__attr, int __policy));
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int _EXFUN(pthread_attr_getschedpolicy,
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(_CONST pthread_attr_t *__attr, int *__policy));
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#endif /* defined(_POSIX_THREAD_PRIORITY_SCHEDULING) */
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int _EXFUN(pthread_attr_setschedparam,
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(pthread_attr_t *__attr, _CONST struct sched_param *__param));
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int _EXFUN(pthread_attr_getschedparam,
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(_CONST pthread_attr_t *__attr, struct sched_param *__param));
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#if defined(_POSIX_THREAD_PRIORITY_SCHEDULING)
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/* Dynamic Thread Scheduling Parameters Access, P1003.1c/Draft 10, p. 124 */
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int _EXFUN(pthread_getschedparam,
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(pthread_t __pthread, int *__policy, struct sched_param *__param));
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int _EXFUN(pthread_setschedparam,
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(pthread_t __pthread, int __policy, struct sched_param *__param));
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/* Set Scheduling Priority of a Thread */
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int _EXFUN(pthread_setschedprio, (pthread_t thread, int prio));
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#endif /* defined(_POSIX_THREAD_PRIORITY_SCHEDULING) */
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#if __GNU_VISIBLE
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int pthread_getname_np(pthread_t, char *, size_t) __nonnull(2);
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int pthread_setname_np(pthread_t, const char *) __nonnull(2);
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#endif
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#if defined(_POSIX_THREAD_PRIO_INHERIT) || defined(_POSIX_THREAD_PRIO_PROTECT)
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/* Mutex Initialization Scheduling Attributes, P1003.1c/Draft 10, p. 128 */
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int _EXFUN(pthread_mutexattr_setprotocol,
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(pthread_mutexattr_t *__attr, int __protocol));
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int _EXFUN(pthread_mutexattr_getprotocol,
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(_CONST pthread_mutexattr_t *__attr, int *__protocol));
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int _EXFUN(pthread_mutexattr_setprioceiling,
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(pthread_mutexattr_t *__attr, int __prioceiling));
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int _EXFUN(pthread_mutexattr_getprioceiling,
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(_CONST pthread_mutexattr_t *__attr, int *__prioceiling));
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#endif /* _POSIX_THREAD_PRIO_INHERIT || _POSIX_THREAD_PRIO_PROTECT */
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#if defined(_POSIX_THREAD_PRIO_PROTECT)
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/* Change the Priority Ceiling of a Mutex, P1003.1c/Draft 10, p. 131 */
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int _EXFUN(pthread_mutex_setprioceiling,
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(pthread_mutex_t *__mutex, int __prioceiling, int *__old_ceiling));
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int _EXFUN(pthread_mutex_getprioceiling,
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(pthread_mutex_t *__mutex, int *__prioceiling));
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#endif /* _POSIX_THREAD_PRIO_PROTECT */
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/* Thread Creation Attributes, P1003.1c/Draft 10, p, 140 */
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int _EXFUN(pthread_attr_init, (pthread_attr_t *__attr));
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int _EXFUN(pthread_attr_destroy, (pthread_attr_t *__attr));
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int _EXFUN(pthread_attr_setstack, (pthread_attr_t *attr,
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void *__stackaddr, size_t __stacksize));
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int _EXFUN(pthread_attr_getstack, (_CONST pthread_attr_t *attr,
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void **__stackaddr, size_t *__stacksize));
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int _EXFUN(pthread_attr_getstacksize,
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(_CONST pthread_attr_t *__attr, size_t *__stacksize));
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int _EXFUN(pthread_attr_setstacksize,
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(pthread_attr_t *__attr, size_t __stacksize));
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int _EXFUN(pthread_attr_getstackaddr,
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(_CONST pthread_attr_t *__attr, void **__stackaddr));
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int _EXFUN(pthread_attr_setstackaddr,
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(pthread_attr_t *__attr, void *__stackaddr));
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int _EXFUN(pthread_attr_getdetachstate,
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(_CONST pthread_attr_t *__attr, int *__detachstate));
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int _EXFUN(pthread_attr_setdetachstate,
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(pthread_attr_t *__attr, int __detachstate));
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int _EXFUN(pthread_attr_getguardsize,
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(_CONST pthread_attr_t *__attr, size_t *__guardsize));
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int _EXFUN(pthread_attr_setguardsize,
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(pthread_attr_t *__attr, size_t __guardsize));
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/* POSIX thread APIs beyond the POSIX standard but provided
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* in GNU/Linux. They may be provided by other OSes for
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* compatibility.
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*/
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#if __GNU_VISIBLE
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#if defined(__rtems__)
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int _EXFUN(pthread_attr_setaffinity_np,
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(pthread_attr_t *__attr, size_t __cpusetsize,
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const cpu_set_t *__cpuset));
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int _EXFUN(pthread_attr_getaffinity_np,
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(const pthread_attr_t *__attr, size_t __cpusetsize,
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cpu_set_t *__cpuset));
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int _EXFUN(pthread_setaffinity_np,
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(pthread_t __id, size_t __cpusetsize, const cpu_set_t *__cpuset));
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int _EXFUN(pthread_getaffinity_np,
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(const pthread_t __id, size_t __cpusetsize, cpu_set_t *__cpuset));
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int _EXFUN(pthread_getattr_np,
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(pthread_t __id, pthread_attr_t *__attr));
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#endif /* defined(__rtems__) */
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#endif /* __GNU_VISIBLE */
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/* Thread Creation, P1003.1c/Draft 10, p. 144 */
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int _EXFUN(pthread_create,
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(pthread_t *__pthread, _CONST pthread_attr_t *__attr,
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void *(*__start_routine)( void * ), void *__arg));
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/* Wait for Thread Termination, P1003.1c/Draft 10, p. 147 */
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int _EXFUN(pthread_join, (pthread_t __pthread, void **__value_ptr));
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/* Detaching a Thread, P1003.1c/Draft 10, p. 149 */
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int _EXFUN(pthread_detach, (pthread_t __pthread));
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/* Thread Termination, p1003.1c/Draft 10, p. 150 */
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void _EXFUN(pthread_exit, (void *__value_ptr)) __dead2;
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/* Get Calling Thread's ID, p1003.1c/Draft 10, p. XXX */
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pthread_t _EXFUN(pthread_self, (void));
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/* Compare Thread IDs, p1003.1c/Draft 10, p. 153 */
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int _EXFUN(pthread_equal, (pthread_t __t1, pthread_t __t2));
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/* Retrieve ID of a Thread's CPU Time Clock */
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int _EXFUN(pthread_getcpuclockid,
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(pthread_t thread, clockid_t *clock_id));
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/* Get/Set Current Thread's Concurrency Level */
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int _EXFUN(pthread_setconcurrency, (int new_level));
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int _EXFUN(pthread_getconcurrency, (void));
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#if __BSD_VISIBLE || __GNU_VISIBLE
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void _EXFUN(pthread_yield, (void));
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#endif
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/* Dynamic Package Initialization */
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/* This is used to statically initialize a pthread_once_t. Example:
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pthread_once_t once = PTHREAD_ONCE_INIT;
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NOTE: This is named inconsistently -- it should be INITIALIZER. */
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#define PTHREAD_ONCE_INIT _PTHREAD_ONCE_INIT
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int _EXFUN(pthread_once,
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(pthread_once_t *__once_control, void (*__init_routine)(void)));
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/* Thread-Specific Data Key Create, P1003.1c/Draft 10, p. 163 */
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int _EXFUN(pthread_key_create,
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(pthread_key_t *__key, void (*__destructor)( void * )));
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/* Thread-Specific Data Management, P1003.1c/Draft 10, p. 165 */
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int _EXFUN(pthread_setspecific,
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(pthread_key_t __key, _CONST void *__value));
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void * _EXFUN(pthread_getspecific, (pthread_key_t __key));
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/* Thread-Specific Data Key Deletion, P1003.1c/Draft 10, p. 167 */
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int _EXFUN(pthread_key_delete, (pthread_key_t __key));
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/* Execution of a Thread, P1003.1c/Draft 10, p. 181 */
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#define PTHREAD_CANCEL_ENABLE 0
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#define PTHREAD_CANCEL_DISABLE 1
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#define PTHREAD_CANCEL_DEFERRED 0
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#define PTHREAD_CANCEL_ASYNCHRONOUS 1
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#define PTHREAD_CANCELED ((void *) -1)
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||
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||
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|
int _EXFUN(pthread_cancel, (pthread_t __pthread));
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||
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||
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|
/* Setting Cancelability State, P1003.1c/Draft 10, p. 183 */
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||
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||
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|
int _EXFUN(pthread_setcancelstate, (int __state, int *__oldstate));
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int _EXFUN(pthread_setcanceltype, (int __type, int *__oldtype));
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void _EXFUN(pthread_testcancel, (void));
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||
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||
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/* Establishing Cancellation Handlers, P1003.1c/Draft 10, p. 184 */
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||
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||
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|
void _EXFUN(_pthread_cleanup_push,
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||
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|
(struct _pthread_cleanup_context *_context,
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||
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void (*_routine)(void *), void *_arg));
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||
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|
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||
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|
void _EXFUN(_pthread_cleanup_pop,
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||
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|
(struct _pthread_cleanup_context *_context,
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||
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|
int _execute));
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||
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||
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|
/* It is intentional to open and close the scope in two different macros */
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||
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|
#define pthread_cleanup_push(_routine, _arg) \
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||
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|
do { \
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struct _pthread_cleanup_context _pthread_clup_ctx; \
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_pthread_cleanup_push(&_pthread_clup_ctx, (_routine), (_arg))
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||
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||
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|
#define pthread_cleanup_pop(_execute) \
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||
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_pthread_cleanup_pop(&_pthread_clup_ctx, (_execute)); \
|
||
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|
} while (0)
|
||
|
|
|
||
|
|
#if __GNU_VISIBLE
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||
|
|
void _EXFUN(_pthread_cleanup_push_defer,
|
||
|
|
(struct _pthread_cleanup_context *_context,
|
||
|
|
void (*_routine)(void *), void *_arg));
|
||
|
|
|
||
|
|
void _EXFUN(_pthread_cleanup_pop_restore,
|
||
|
|
(struct _pthread_cleanup_context *_context,
|
||
|
|
int _execute));
|
||
|
|
|
||
|
|
/* It is intentional to open and close the scope in two different macros */
|
||
|
|
#define pthread_cleanup_push_defer_np(_routine, _arg) \
|
||
|
|
do { \
|
||
|
|
struct _pthread_cleanup_context _pthread_clup_ctx; \
|
||
|
|
_pthread_cleanup_push_defer(&_pthread_clup_ctx, (_routine), (_arg))
|
||
|
|
|
||
|
|
#define pthread_cleanup_pop_restore_np(_execute) \
|
||
|
|
_pthread_cleanup_pop_restore(&_pthread_clup_ctx, (_execute)); \
|
||
|
|
} while (0)
|
||
|
|
#endif /* __GNU_VISIBLE */
|
||
|
|
|
||
|
|
#if defined(_POSIX_THREAD_CPUTIME)
|
||
|
|
|
||
|
|
/* Accessing a Thread CPU-time Clock, P1003.4b/D8, p. 58 */
|
||
|
|
|
||
|
|
int _EXFUN(pthread_getcpuclockid,
|
||
|
|
(pthread_t __pthread_id, clockid_t *__clock_id));
|
||
|
|
|
||
|
|
#endif /* defined(_POSIX_THREAD_CPUTIME) */
|
||
|
|
|
||
|
|
|
||
|
|
#endif /* defined(_POSIX_THREADS) */
|
||
|
|
|
||
|
|
#if defined(_POSIX_BARRIERS)
|
||
|
|
|
||
|
|
int _EXFUN(pthread_barrierattr_init, (pthread_barrierattr_t *__attr));
|
||
|
|
int _EXFUN(pthread_barrierattr_destroy, (pthread_barrierattr_t *__attr));
|
||
|
|
int _EXFUN(pthread_barrierattr_getpshared,
|
||
|
|
(_CONST pthread_barrierattr_t *__attr, int *__pshared));
|
||
|
|
int _EXFUN(pthread_barrierattr_setpshared,
|
||
|
|
(pthread_barrierattr_t *__attr, int __pshared));
|
||
|
|
|
||
|
|
#define PTHREAD_BARRIER_SERIAL_THREAD -1
|
||
|
|
|
||
|
|
int _EXFUN(pthread_barrier_init,
|
||
|
|
(pthread_barrier_t *__barrier,
|
||
|
|
_CONST pthread_barrierattr_t *__attr, unsigned __count));
|
||
|
|
int _EXFUN(pthread_barrier_destroy, (pthread_barrier_t *__barrier));
|
||
|
|
int _EXFUN(pthread_barrier_wait,(pthread_barrier_t *__barrier));
|
||
|
|
|
||
|
|
#endif /* defined(_POSIX_BARRIERS) */
|
||
|
|
|
||
|
|
#if defined(_POSIX_SPIN_LOCKS)
|
||
|
|
|
||
|
|
int _EXFUN(pthread_spin_init,
|
||
|
|
(pthread_spinlock_t *__spinlock, int __pshared));
|
||
|
|
int _EXFUN(pthread_spin_destroy, (pthread_spinlock_t *__spinlock));
|
||
|
|
int _EXFUN(pthread_spin_lock, (pthread_spinlock_t *__spinlock));
|
||
|
|
int _EXFUN(pthread_spin_trylock, (pthread_spinlock_t *__spinlock));
|
||
|
|
int _EXFUN(pthread_spin_unlock, (pthread_spinlock_t *__spinlock));
|
||
|
|
|
||
|
|
#endif /* defined(_POSIX_SPIN_LOCKS) */
|
||
|
|
|
||
|
|
#if defined(_POSIX_READER_WRITER_LOCKS)
|
||
|
|
|
||
|
|
/* This is used to statically initialize a pthread_rwlock_t. Example:
|
||
|
|
|
||
|
|
pthread_mutex_t mutex = PTHREAD_RWLOCK_INITIALIZER;
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define PTHREAD_RWLOCK_INITIALIZER _PTHREAD_RWLOCK_INITIALIZER
|
||
|
|
|
||
|
|
int _EXFUN(pthread_rwlockattr_init, (pthread_rwlockattr_t *__attr));
|
||
|
|
int _EXFUN(pthread_rwlockattr_destroy, (pthread_rwlockattr_t *__attr));
|
||
|
|
int _EXFUN(pthread_rwlockattr_getpshared,
|
||
|
|
(_CONST pthread_rwlockattr_t *__attr, int *__pshared));
|
||
|
|
int _EXFUN(pthread_rwlockattr_setpshared,
|
||
|
|
(pthread_rwlockattr_t *__attr, int __pshared));
|
||
|
|
|
||
|
|
int _EXFUN(pthread_rwlock_init,
|
||
|
|
(pthread_rwlock_t *__rwlock, _CONST pthread_rwlockattr_t *__attr));
|
||
|
|
int _EXFUN(pthread_rwlock_destroy, (pthread_rwlock_t *__rwlock));
|
||
|
|
int _EXFUN(pthread_rwlock_rdlock,(pthread_rwlock_t *__rwlock));
|
||
|
|
int _EXFUN(pthread_rwlock_tryrdlock,(pthread_rwlock_t *__rwlock));
|
||
|
|
int _EXFUN(pthread_rwlock_timedrdlock,
|
||
|
|
(pthread_rwlock_t *__rwlock, _CONST struct timespec *__abstime));
|
||
|
|
int _EXFUN(pthread_rwlock_unlock,(pthread_rwlock_t *__rwlock));
|
||
|
|
int _EXFUN(pthread_rwlock_wrlock,(pthread_rwlock_t *__rwlock));
|
||
|
|
int _EXFUN(pthread_rwlock_trywrlock,(pthread_rwlock_t *__rwlock));
|
||
|
|
int _EXFUN(pthread_rwlock_timedwrlock,
|
||
|
|
(pthread_rwlock_t *__rwlock, _CONST struct timespec *__abstime));
|
||
|
|
|
||
|
|
#endif /* defined(_POSIX_READER_WRITER_LOCKS) */
|
||
|
|
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|
||
|
|
/* end of include file */
|