First commit XiUOS

2021-04-28 17:49:18 +08:00
commit 6001051eb7
1331 changed files with 433955 additions and 0 deletions
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+/*
+ * Copyright (c) 2020 AIIT XUOS Lab
+ * XiUOS  is licensed under Mulan PSL v2.
+ * You can use this software according to the terms and conditions of the Mulan PSL v2.
+ * You may obtain a copy of Mulan PSL v2 at:
+ *        http://license.coscl.org.cn/MulanPSL2
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PSL v2 for more details.
+ */
+
+/**
+* @file:    mqueue.c
+* @brief:   posix api of mqueue
+* @version: 1.0
+* @author:  AIIT XUOS Lab
+* @date:    2020/4/20
+*
+*/
+
+#include "include/mqueue.h"
+
+mqd_t mq_open(const char *name, int oflag, ...)
+{
+    
+    mqd_t mq;
+
+    mq = UserMsgQueueCreate( DEFAULT_MQUEUE_SIZE, DEFAULT_MAX_MSG_SIZE);
+    if (mq < 0) {
+        return -1;
+    }
+
+    return mq;
+}
+
+int mq_close(mqd_t mqdes)
+{
+    return UserMsgQueueDelete(mqdes);
+}
+
+ssize_t mq_receive(mqd_t mqdes, char *msg_ptr, size_t msg_len, unsigned *msg_prio)
+{
+    ssize_t ret;
+
+    *msg_prio = 0;
+    ret = UserMsgQueueRecv(mqdes, msg_ptr, (unsigned long)&msg_len, 0);
+
+    return ret;
+}
+
+int mq_send(mqd_t mqdes, const char *msg_ptr, size_t msg_len, unsigned msg_prio)
+{
+    int ret;
+    ret = UserMsgQueueSend(mqdes, (void *)msg_ptr, msg_len);
+    return ret;
+}
+
+int mq_setattr(mqd_t mqdes, const struct mq_attr *mqstat, struct mq_attr *omqstat)
+{
+    return 0;
+}
+
+int mq_getattr(mqd_t mqdes, struct mq_attr *mqstat)
+{
+    return 0;
+}
+
+ssize_t mq_timedreceive(mqd_t mqdes, char *msg_ptr, size_t msg_len,
+                        unsigned *msg_prio, const struct timespec *abstime)
+{
+    ssize_t ret;
+    int  ticks;
+
+    *msg_prio = 0;
+    ticks = abstime->tv_sec * 1000 +
+            (abstime->tv_nsec / 1000000 ) ;
+
+    ret = UserMsgQueueRecv(mqdes,  msg_ptr, msg_len, ticks);
+    return ret;
+}
+
+int mq_timedsend(mqd_t mqdes, const char *msg_ptr, size_t msg_len,
+                 unsigned msg_prio, const struct timespec *abstime)
+{
+    int ret;
+    int  ticks;
+    ticks = abstime->tv_sec * 1000 +
+            (abstime->tv_nsec / 1000000 ) ;
+
+    ret = UserMsgQueueSendwait(mqdes, (void *)msg_ptr, msg_len, ticks);
+    
+    return ret;
+}