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体验新版 GitCode,发现更多精彩内容 >>
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3ac9eece
编写于
1月 08, 2022
作者:
mysterywolf
提交者:
Bernard Xiong
1月 14, 2022
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电子邮件补丁
差异文件
[kernel] rt_thread_suspend/resume增加注释
上级
43e7186a
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1
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and
6 deletion
+7
-6
src/thread.c
src/thread.c
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-6
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src/thread.c
浏览文件 @
3ac9eece
...
...
@@ -805,7 +805,11 @@ RTM_EXPORT(rt_thread_control);
/**
* @brief This function will suspend the specified thread and change it to suspend state.
*
* @note This function only can suspend current thread itself.
* @note This function ONLY can suspend current thread itself.
* Do not use the rt_thread_suspend and rt_thread_resume functions to synchronize the activities of threads.
* You have no way of knowing what code a thread is executing when you suspend it.
* If you suspend a thread while it is executing a critical area which is protected by a mutex,
* other threads attempt to use that mutex and have to wait. Deadlocks can occur very easily.
*
* @param thread is the thread to be suspended.
*
...
...
@@ -833,11 +837,6 @@ rt_err_t rt_thread_suspend(rt_thread_t thread)
/* disable interrupt */
temp
=
rt_hw_interrupt_disable
();
if
(
stat
==
RT_THREAD_RUNNING
)
{
/* not suspend running status thread on other core */
RT_ASSERT
(
thread
==
rt_thread_self
());
}
/* change thread stat */
rt_schedule_remove_thread
(
thread
);
...
...
@@ -857,6 +856,8 @@ RTM_EXPORT(rt_thread_suspend);
/**
* @brief This function will resume a thread and put it to system ready queue.
*
* @note Do not use the rt_thread_suspend and rt_thread_resume functions to synchronize the activities of threads.
*
* @param thread is the thread to be resumed.
*
* @return Return the operation status. If the return value is RT_EOK, the function is successfully executed.
...
...
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