You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
69 lines
2.0 KiB
69 lines
2.0 KiB
/*
|
|
Copyright (c) 2016, Kari Tristan Helgason <kthelgason@gmail.com>
|
|
|
|
Permission to use, copy, modify, and/or distribute this software for any
|
|
purpose with or without fee is hereby granted, provided that the above
|
|
copyright notice and this permission notice appear in all copies.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#ifndef _UV_PTHREAD_BARRIER_
|
|
#define _UV_PTHREAD_BARRIER_
|
|
#include <errno.h>
|
|
#include <pthread.h>
|
|
#if !defined(__MVS__)
|
|
#include <semaphore.h> /* sem_t */
|
|
#endif
|
|
|
|
#define PTHREAD_BARRIER_SERIAL_THREAD 0x12345
|
|
|
|
/*
|
|
* To maintain ABI compatibility with
|
|
* libuv v1.x struct is padded according
|
|
* to target platform
|
|
*/
|
|
#if defined(__ANDROID__)
|
|
# define UV_BARRIER_STRUCT_PADDING \
|
|
sizeof(pthread_mutex_t) + \
|
|
sizeof(pthread_cond_t) + \
|
|
sizeof(unsigned int) - \
|
|
sizeof(void *)
|
|
#elif defined(__APPLE__)
|
|
# define UV_BARRIER_STRUCT_PADDING \
|
|
sizeof(pthread_mutex_t) + \
|
|
2 * sizeof(sem_t) + \
|
|
2 * sizeof(unsigned int) - \
|
|
sizeof(void *)
|
|
#else
|
|
# define UV_BARRIER_STRUCT_PADDING 0
|
|
#endif
|
|
|
|
typedef struct {
|
|
pthread_mutex_t mutex;
|
|
pthread_cond_t cond;
|
|
unsigned threshold;
|
|
unsigned in;
|
|
unsigned out;
|
|
} _uv_barrier;
|
|
|
|
typedef struct {
|
|
_uv_barrier* b;
|
|
char _pad[UV_BARRIER_STRUCT_PADDING];
|
|
} pthread_barrier_t;
|
|
|
|
int pthread_barrier_init(pthread_barrier_t* barrier,
|
|
const void* barrier_attr,
|
|
unsigned count);
|
|
|
|
int pthread_barrier_wait(pthread_barrier_t* barrier);
|
|
int pthread_barrier_destroy(pthread_barrier_t *barrier);
|
|
|
|
#endif /* _UV_PTHREAD_BARRIER_ */
|