When the thread that has the lock leaves the critical section, the suspended thread needs to be woken up. The thread will need to be re-scheduling and context switched back into the CPU.

当拥有锁的线程离开临界区的时候，挂起的线程需要被重新唤醒，然后重新被调用，并交换上下文，回到CPU调度中。

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Each thread maintains exception handlers, a scheduling priority, and a set of structures the system USES to save the thread context until it is scheduled.

每个线程都维护异常处理程序、调度优先级和一组系统用于在调度该线程前保存线程上下文的结构。

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In addition, each thread maintains exception handlers, a scheduling priority, and a set of structures in which the system saves the thread context while the thread is waiting to be scheduled.

另外，每个线程都维护异常处理程序、安排优先级和一组结构，线程等待安排时系统在这些结构中保存线程上下文。

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