AQS try
2021-04-16 11:08:32 13 举报AQS 底层
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银行受理业务窗口Thread = null
state = 1
Thread = nullwaitState = 0哨兵节点
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下面虚线是模拟银行的等候区，每个线程就是一个顾客
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Thread = ThreadBwaitState = 0
三个顾客来银行办理业务，类似三个线程。ThreadC
窗口每次只能服务一个，初始没人
AQS = state + CLH队列
state = 0
银行受理业务窗口Thread = ThreadA
三个顾客来银行办理业务，类似三个线程。ThreadAThreadBThreadC
Thread = ThreadCwaitState = 0
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