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wait调用描述是否有误 #24

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panhongan opened this issue Nov 2, 2019 · 0 comments
Open

wait调用描述是否有误 #24

panhongan opened this issue Nov 2, 2019 · 0 comments

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@panhongan
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如果一个线程在同步块中调用了Object#wait方法， 会将该线程对应的ObjectWaiter从EntryList移除并加入到WaitSet中，然后释放锁。当wait的线程被notify之后，会将对应的ObjectWaiter从WaitSet移动到EntryList中。

个人理解是：wait调用必须在synchronized代码块里。在synchronized进入时候，就已经将ObjectWaiter从EntryList移除；所以当发生wait调用的时候，应该是直接将ObjectWaiter对象加入到WaitSet，然后释放锁，并没有从EntryList移除这一步。
@panhongan panhongan changed the title wait调用描述是否不正确 wait调用描述是否有误 Nov 2, 2019
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