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import RT-Thread@9217865c without bsp, libcpu and components/net

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This commit is contained in:
Zihao Yu 2023-05-20 16:23:33 +08:00
commit e2376a3709
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43
components/libc/posix/ipc/semaphore.h Normal file
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/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2010-10-26 Bernard the first version
*/
#ifndef __POSIX_SEMAPHORE_H__
#define __POSIX_SEMAPHORE_H__
#include <rtdef.h>
#include <sys/time.h>
struct posix_sem
{
/* reference count and unlinked */
rt_uint16_t refcount;
rt_uint8_t unlinked;
rt_uint8_t unamed;
/* RT-Thread semaphore */
rt_sem_t sem;
/* next posix semaphore */
struct posix_sem* next;
};
typedef struct posix_sem sem_t;
int sem_close(sem_t *sem);
int sem_destroy(sem_t *sem);
int sem_getvalue(sem_t *sem, int *sval);
int sem_init(sem_t *sem, int pshared, unsigned int value);
sem_t *sem_open(const char *name, int oflag, ...);
int sem_post(sem_t *sem);
int sem_timedwait(sem_t *sem, const struct timespec *abs_timeout);
int sem_trywait(sem_t *sem);
int sem_unlink(const char *name);
int sem_wait(sem_t *sem);
#endif