71 lines
2.0 KiB
C
71 lines
2.0 KiB
C
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/*
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* Copyright (c) 2006-2020, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2019-10-12 Jesven first version
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*/
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#ifndef LWP_IPC_H__
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#define LWP_IPC_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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enum
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{
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RT_CHANNEL_RAW,
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RT_CHANNEL_BUFFER,
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RT_CHANNEL_FD
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};
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struct rt_channel_msg
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{
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void *sender;
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int type;
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union
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{
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struct chbuf
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{
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void *buf;
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size_t length;
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} b;
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struct chfd
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{
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void *file;
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int fd;
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} fd;
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void* d;
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} u;
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};
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typedef struct rt_channel_msg *rt_channel_msg_t;
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int rt_channel_open(const char *name, int flags);
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rt_err_t rt_channel_close(int fd);
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rt_err_t rt_channel_send(int fd, rt_channel_msg_t data);
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rt_err_t rt_channel_send_recv(int fd, rt_channel_msg_t data, rt_channel_msg_t data_ret);
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rt_err_t rt_channel_send_recv_timeout(int fd, rt_channel_msg_t data, rt_channel_msg_t data_ret, rt_int32_t time);
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rt_err_t rt_channel_reply(int fd, rt_channel_msg_t data);
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rt_err_t rt_channel_recv(int fd, rt_channel_msg_t data);
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rt_err_t rt_channel_recv_timeout(int fd, rt_channel_msg_t data, rt_int32_t time);
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rt_err_t rt_channel_peek(int fd, rt_channel_msg_t data);
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rt_channel_t rt_raw_channel_open(const char *name, int flags);
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rt_err_t rt_raw_channel_close(rt_channel_t ch);
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rt_err_t rt_raw_channel_send(rt_channel_t ch, rt_channel_msg_t data);
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rt_err_t rt_raw_channel_send_recv(rt_channel_t ch, rt_channel_msg_t data, rt_channel_msg_t data_ret);
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rt_err_t rt_raw_channel_send_recv_timeout(rt_channel_t ch, rt_channel_msg_t data, rt_channel_msg_t data_ret, rt_int32_t time);
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rt_err_t rt_raw_channel_reply(rt_channel_t ch, rt_channel_msg_t data);
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rt_err_t rt_raw_channel_recv(rt_channel_t ch, rt_channel_msg_t data);
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rt_err_t rt_raw_channel_recv_timeout(rt_channel_t ch, rt_channel_msg_t data, rt_int32_t time);
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rt_err_t rt_raw_channel_peek(rt_channel_t ch, rt_channel_msg_t data);
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#ifdef __cplusplus
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}
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#endif
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#endif
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