osal_msgqueue.h

浏览该文件的文档.

/*
 * Copyright (c) HiSilicon (Shanghai) Technologies Co., Ltd. 2021-2022. All rights reserved.
 * Description: OS Abstract Layer.
 */
 
#ifndef __OSAL_MSGQUEUE_H__
#define __OSAL_MSGQUEUE_H__
 
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif
#endif
 
#ifdef LOS_WAIT_FOREVER
#define OSAL_MSGQ_WAIT_FOREVER LOS_WAIT_FOREVER
#else
#define OSAL_MSGQ_WAIT_FOREVER 0xFFFFFFFF
#endif
 
#ifdef LOS_NO_WAIT
#define OSAL_MSGQ_NO_WAIT LOS_NO_WAIT
#else
#define OSAL_MSGQ_NO_WAIT 0
#endif
 
int osal_msg_queue_create(const char *name, unsigned short queue_len, unsigned long *queue_id, unsigned int flags,
    unsigned short max_msgsize);
 
int osal_msg_queue_write_copy(unsigned long queue_id, void *buffer_addr, unsigned int buffer_size,
    unsigned int timeout);
 
int osal_msg_queue_read_copy(unsigned long queue_id, void *buffer_addr, unsigned int *buffer_size,
    unsigned int timeout);
 
int osal_msg_queue_write_head_copy(unsigned long queue_id, void *buffer_addr, unsigned int buffer_size,
    unsigned int timeout);
 
void osal_msg_queue_delete(unsigned long queue_id);
 
int osal_msg_queue_is_full(unsigned long queue_id);
 
unsigned int osal_msg_queue_get_msg_num(unsigned long queue_id);
 
#ifdef __cplusplus
#if __cplusplus
}
#endif
#endif
#endif /* __OSAL_MSGQUEUE_H__ */