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This topic created in 2212 days ago, the information mentioned may be changed or developed.
刚刚面试官问了这个问题，没答上来，百度也没找到。
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1
lhx2008 Apr 12, 2020 via Android
应该是说说 AQS 的东西
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tcxurun Apr 12, 2020  1
Reentrantlock 主要是基于 AQS，而 AQS 继承一个抽象类 AbstractOwnableSynchronizer，有个变量 exclusiveOwnerThread，用来存储锁持有的线程，然后比较，比如源码中你会看到这个
(current == getExclusiveOwnerThread()) |
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3
coer Apr 12, 2020
从 lock()进去走几步就能看到 nonfairTryAcquire(int acquires)中的 else if (current == getExclusiveOwnerThread()).....
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