Update ipc.c
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/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
+ * Copyright (c) 2006-2022, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* 2021-05-30 Meco Man implement rt_mutex_trytake()
* 2022-01-07 Gabriel Moving __on_rt_xxxxx_hook to ipc.c
* 2022-01-24 THEWON let rt_mutex_take return thread->error when using signal
- * 2022-04-08 Stanley Add descriptions for rt_mq_recv and rt_sem_take timeout parameters.
+ * 2022-04-08 Stanley Correct descriptions
*/
#include <rtthread.h>
@@ -469,8 +469,12 @@ RTM_EXPORT(rt_sem_delete);
*
* @param time is a timeout period (unit: an OS tick). If the semaphore is unavailable, the thread will wait for
* the semaphore up to the amount of time specified by this parameter.
- * NOTE: If use the macro RT_WAITING_FOREVER to set this parameter, which means that when the
- * semaphore is unavailable, the thread will be waitting forever.
+ *
+ * NOTE:
+ * If use Macro RT_WAITING_FOREVER to set this parameter, which means that when the
+ * message is unavailable in the queue, the thread will be waiting forever.
+ * If use macro RT_WAITING_NO to set this parameter, which means that this
+ * function is non-blocking and will return immediately.
*
* @return Return the operation status. ONLY When the return value is RT_EOK, the operation is successful.
* If the return value is any other values, it means that the semaphore take failed.
@@ -3044,8 +3048,12 @@ RTM_EXPORT(rt_mq_urgent);
*
* @param timeout is a timeout period (unit: an OS tick). If the message is unavailable, the thread will wait for
* the message in the queue up to the amount of time specified by this parameter.
- * NOTE: If use Macro RT_WAITING_FOREVER to set this parameter, which means that when the
+ *
+ * NOTE:
+ * If use Macro RT_WAITING_FOREVER to set this parameter, which means that when the
* message is unavailable in the queue, the thread will be waiting forever.
+ * If use macro RT_WAITING_NO to set this parameter, which means that this
+ * function is non-blocking and will return immediately.
*
* @return Return the operation status. When the return value is RT_EOK, the operation is successful.
* If the return value is any other values, it means that the mailbox release failed.
