rt-thread/components/pthreads/semaphore.h

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#ifndef __POSIX_SEMAPHORE_H__
#define __POSIX_SEMAPHORE_H__
#include <rtthread.h>
#include <sys/time.h>
typedef struct rt_semaphore 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