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Retro68/gcc/newlib/libc/include/pthread.h
Wolfgang Thaller 65c83606fb Update gcc to 7.2.0, binutils to 2.29, newlib to 2.5.0
2017-10-07 02:16:47 +02:00

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