forked from xuos/xiuos
94 lines
2.2 KiB
C
94 lines
2.2 KiB
C
/*
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* Copyright (c) 2020 AIIT XUOS Lab
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* XiUOS is licensed under Mulan PSL v2.
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* You can use this software according to the terms and conditions of the Mulan PSL v2.
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* You may obtain a copy of Mulan PSL v2 at:
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* http://license.coscl.org.cn/MulanPSL2
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PSL v2 for more details.
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*/
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/**
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* @file: mqueue.c
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* @brief: posix api of mqueue
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* @version: 1.0
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* @author: AIIT XUOS Lab
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* @date: 2020/4/20
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*
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*/
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#include "include/mqueue.h"
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mqd_t mq_open(const char *name, int oflag, ...)
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{
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mqd_t mq;
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mq = UserMsgQueueCreate( DEFAULT_MQUEUE_SIZE, DEFAULT_MAX_MSG_SIZE);
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if (mq < 0) {
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return -1;
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}
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return mq;
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}
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int mq_close(mqd_t mqdes)
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{
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return UserMsgQueueDelete(mqdes);
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}
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ssize_t mq_receive(mqd_t mqdes, char *msg_ptr, size_t msg_len, unsigned *msg_prio)
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{
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ssize_t ret;
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*msg_prio = 0;
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ret = UserMsgQueueRecv(mqdes, msg_ptr, (unsigned long)&msg_len, 0);
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return ret;
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}
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int mq_send(mqd_t mqdes, const char *msg_ptr, size_t msg_len, unsigned msg_prio)
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{
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int ret;
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ret = UserMsgQueueSend(mqdes, (void *)msg_ptr, msg_len);
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return ret;
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}
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int mq_setattr(mqd_t mqdes, const struct mq_attr *mqstat, struct mq_attr *omqstat)
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{
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return 0;
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}
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int mq_getattr(mqd_t mqdes, struct mq_attr *mqstat)
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{
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return 0;
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}
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ssize_t mq_timedreceive(mqd_t mqdes, char *msg_ptr, size_t msg_len,
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unsigned *msg_prio, const struct timespec *abstime)
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{
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ssize_t ret;
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int ticks;
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*msg_prio = 0;
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ticks = abstime->tv_sec * 1000 +
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(abstime->tv_nsec / 1000000 ) ;
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ret = UserMsgQueueRecv(mqdes, msg_ptr, msg_len, ticks);
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return ret;
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}
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int mq_timedsend(mqd_t mqdes, const char *msg_ptr, size_t msg_len,
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unsigned msg_prio, const struct timespec *abstime)
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{
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int ret;
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int ticks;
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ticks = abstime->tv_sec * 1000 +
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(abstime->tv_nsec / 1000000 ) ;
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ret = UserMsgQueueSendwait(mqdes, (void *)msg_ptr, msg_len, ticks);
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return ret;
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} |