2019-08-13 06:59:06 +08:00
|
|
|
/*
|
|
|
|
|
* Copyright (c) 2015, Aleksey Demakov
|
|
|
|
|
* All rights reserved.
|
|
|
|
|
*
|
|
|
|
|
* Redistribution and use in source and binary forms, with or without
|
|
|
|
|
* modification, are permitted provided that the following conditions are met:
|
|
|
|
|
*
|
|
|
|
|
* * Redistributions of source code must retain the above copyright notice, this
|
|
|
|
|
* list of conditions and the following disclaimer.
|
|
|
|
|
*
|
|
|
|
|
* * Redistributions in binary form must reproduce the above copyright notice,
|
|
|
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
|
|
|
* and/or other materials provided with the distribution.
|
|
|
|
|
*
|
|
|
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
|
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
|
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
|
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
|
|
|
|
|
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
|
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
|
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
|
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
|
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
|
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
|
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#ifndef PTHREAD_BARRIER_H
|
|
|
|
|
#define PTHREAD_BARRIER_H
|
|
|
|
|
|
|
|
|
|
#include <pthread.h>
|
|
|
|
|
|
|
|
|
|
#ifdef __APPLE__
|
|
|
|
|
|
|
|
|
|
#ifdef __cplusplus
|
|
|
|
|
extern "C" {
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#if !defined(PTHREAD_BARRIER_SERIAL_THREAD)
|
|
|
|
|
#define PTHREAD_BARRIER_SERIAL_THREAD (1)
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#if !defined(PTHREAD_PROCESS_PRIVATE)
|
|
|
|
|
#define PTHREAD_PROCESS_PRIVATE (42)
|
|
|
|
|
#endif
|
|
|
|
|
#if !defined(PTHREAD_PROCESS_SHARED)
|
|
|
|
|
#define PTHREAD_PROCESS_SHARED (43)
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
typedef struct {
|
2019-08-13 07:37:29 +08:00
|
|
|
pthread_mutexattr_t mattr;
|
|
|
|
|
pthread_condattr_t cattr;
|
2019-08-13 06:59:06 +08:00
|
|
|
} pthread_barrierattr_t;
|
|
|
|
|
|
|
|
|
|
typedef struct {
|
|
|
|
|
pthread_mutex_t mutex;
|
|
|
|
|
pthread_cond_t cond;
|
|
|
|
|
unsigned int limit;
|
|
|
|
|
unsigned int count;
|
|
|
|
|
unsigned int phase;
|
|
|
|
|
} pthread_barrier_t;
|
|
|
|
|
|
|
|
|
|
int pthread_barrierattr_init(pthread_barrierattr_t *attr);
|
|
|
|
|
int pthread_barrierattr_destroy(pthread_barrierattr_t *attr);
|
|
|
|
|
|
|
|
|
|
int pthread_barrierattr_getpshared(const pthread_barrierattr_t *__restrict attr,
|
|
|
|
|
int *__restrict pshared);
|
|
|
|
|
int pthread_barrierattr_setpshared(pthread_barrierattr_t *attr, int pshared);
|
|
|
|
|
|
|
|
|
|
int pthread_barrier_init(pthread_barrier_t *__restrict barrier,
|
|
|
|
|
const pthread_barrierattr_t *__restrict attr,
|
|
|
|
|
unsigned int count);
|
|
|
|
|
int pthread_barrier_destroy(pthread_barrier_t *barrier);
|
|
|
|
|
|
|
|
|
|
int pthread_barrier_wait(pthread_barrier_t *barrier);
|
|
|
|
|
|
|
|
|
|
#ifdef __cplusplus
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#endif /* __APPLE__ */
|
|
|
|
|
|
|
|
|
|
#endif /* PTHREAD_BARRIER_H */
|
