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24 lines
491 B
Markdown
24 lines
491 B
Markdown
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## **rtthread** – 系统相关函数
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**rtthread** 模块提供了与 RT-Thread 操作系统相关的功能，如查看栈使用情况等。
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### 函数
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#### rtthread.current_tid()
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返回当前线程的 id 。
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#### rtthread.is_preempt_thread()
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返回是否是可抢占线程。
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### 示例
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```
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>>> import rtthread
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>>>
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>>> rtthread.is_preempt_thread() # determine if it's a preemptible thread
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True
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>>> rtthread.current_tid() # current thread id
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268464956
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>>>
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```
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