osal_semaphore.h

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/*
 * Copyright (c) HiSilicon (Shanghai) Technologies Co., Ltd. 2021-2022. All rights reserved.
 * Description: OS Abstract Layer.
 */
 
#ifndef __OSAL_SEMAPHORE_H__
#define __OSAL_SEMAPHORE_H__
 
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif
#endif
 
#define OSAL_SEM_WAIT_FOREVER (-1)
 
typedef struct {
    void *sem;
} osal_semaphore;
 
int osal_sem_init(osal_semaphore *sem, int val);
 
int osal_sem_binary_sem_init(osal_semaphore *sem, int val);
 
int osal_sem_down(osal_semaphore *sem);
 
int osal_sem_down_timeout(osal_semaphore *sem, unsigned int timeout);
 
int osal_sem_down_interruptible(osal_semaphore *sem);
 
int osal_sem_trydown(osal_semaphore *sem);
 
void osal_sem_up(osal_semaphore *sem);
 
void osal_sem_destroy(osal_semaphore *sem);
 
#ifdef __cplusplus
#if __cplusplus
}
#endif
#endif
#endif /* __OSAL_SEMAPHORE_H__ */