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Update workqueues.rst #22

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2 changes: 1 addition & 1 deletion doc/kernel/threads/workqueues.rst
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Expand Up @@ -63,7 +63,7 @@ ISR 或者线程可能需要延迟一段指定的事时间后（而不是立即

* **工作队列指示器**：用于标识需要提交到的工作队列。

延迟工作项的初始化和提交过程与标准的工作项是类似的，只是所使用的内核 API 略有区别。当发出提交请求时，内核会初始化一个超时机制，当指定的延迟达到时就会触发它。当超时发送时，内核会将延迟工作项提交到指定的工作队列中。之后，它会保持挂起状态，知道被以标准方式处理。
延迟工作项的初始化和提交过程与标准的工作项是类似的，只是所使用的内核 API 略有区别。当发出提交请求时，内核会初始化一个超时机制，当指定的延迟达到时就会触发它。当超时发送时，内核会将延迟工作项提交到指定的工作队列中。之后，它会保持挂起状态，直到被以标准方式处理。

ISR 或者线程可以 **取消** 它提交的延迟工作项，但是前提是该工作项的超时计数扔在继续。取消后，超时计数将停止计数，指定的工作也不会被执行。

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