rt-thread-stm32f072/rt-thread/components/drivers/include/ipc/pipe.h

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2022-10-30 15:41:02 +08:00
/*
* Copyright (c) 2006-2022, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
*/
#ifndef PIPE_H__
#define PIPE_H__
#include <rtthread.h>
/**
* Pipe Device
*/
struct rt_pipe_device
{
struct rt_device parent;
rt_bool_t is_named;
/* ring buffer in pipe device */
struct rt_ringbuffer *fifo;
rt_uint16_t bufsz;
rt_uint8_t readers;
rt_uint8_t writers;
rt_wqueue_t reader_queue;
rt_wqueue_t writer_queue;
struct rt_mutex lock;
};
typedef struct rt_pipe_device rt_pipe_t;
rt_pipe_t *rt_pipe_create(const char *name, int bufsz);
int rt_pipe_delete(const char *name);
#endif /* PIPE_H__ */