1*10465441SEvalZero /* 2*10465441SEvalZero * Copyright (c) 2006-2018, RT-Thread Development Team 3*10465441SEvalZero * 4*10465441SEvalZero * SPDX-License-Identifier: Apache-2.0 5*10465441SEvalZero * 6*10465441SEvalZero * Change Logs: 7*10465441SEvalZero * Date Author Notes 8*10465441SEvalZero * 2010-10-26 Bernard the first version 9*10465441SEvalZero */ 10*10465441SEvalZero 11*10465441SEvalZero #ifndef __POSIX_SEMAPHORE_H__ 12*10465441SEvalZero #define __POSIX_SEMAPHORE_H__ 13*10465441SEvalZero 14*10465441SEvalZero #include <rtthread.h> 15*10465441SEvalZero #include <pthread.h> 16*10465441SEvalZero 17*10465441SEvalZero struct posix_sem 18*10465441SEvalZero { 19*10465441SEvalZero /* reference count and unlinked */ 20*10465441SEvalZero rt_uint16_t refcount; 21*10465441SEvalZero rt_uint8_t unlinked; 22*10465441SEvalZero rt_uint8_t unamed; 23*10465441SEvalZero 24*10465441SEvalZero /* RT-Thread semaphore */ 25*10465441SEvalZero rt_sem_t sem; 26*10465441SEvalZero 27*10465441SEvalZero /* next posix semaphore */ 28*10465441SEvalZero struct posix_sem* next; 29*10465441SEvalZero }; 30*10465441SEvalZero typedef struct posix_sem sem_t; 31*10465441SEvalZero 32*10465441SEvalZero int sem_close(sem_t *sem); 33*10465441SEvalZero int sem_destroy(sem_t *sem); 34*10465441SEvalZero int sem_getvalue(sem_t *sem, int *sval); 35*10465441SEvalZero int sem_init(sem_t *sem, int pshared, unsigned int value); 36*10465441SEvalZero sem_t *sem_open(const char *name, int oflag, ...); 37*10465441SEvalZero int sem_post(sem_t *sem); 38*10465441SEvalZero int sem_timedwait(sem_t *sem, const struct timespec *abs_timeout); 39*10465441SEvalZero int sem_trywait(sem_t *sem); 40*10465441SEvalZero int sem_unlink(const char *name); 41*10465441SEvalZero int sem_wait(sem_t *sem); 42*10465441SEvalZero 43*10465441SEvalZero #endif 44