Java ：一个获得锁的线程在未解锁情况下退出或者发生异常终止会怎样？ - V2EX

Java ：一个获得锁的线程在未解锁情况下退出或者发生异常终止会怎样？ - V2EX

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这是一个创建于 2876 天前的主题，其中的信息可能已经有所发展或是发生改变。

锁自动解除吗？

5 条回复 2017-12-04 16:57:00 +08:00

1

HaoyangWei

2017-12-04 10:22:08 +08:00

看锁是怎么实现的

2

8rB61FLBPVSxW2C8

2017-12-04 10:45:23 +08:00

synchronized 谁会自动释放的，ReentrantLock 只要 finally 中别忘了 unlock，也是会自动释放的。应该是这样的

3

kenduffy

OP

2017-12-04 11:47:25 +08:00

@HackerOO7

ReentrantLock 如果抛出 RuntimeException，不会想到去捕捉啊
那岂不是就死锁？

4

kenduffy

OP

2017-12-04 16:17:39 +08:00

顶顶顶

5

SoloCompany

2017-12-04 16:57:00 +08:00

读一下 Thread.stop 为什么会是 deprecated, 这应该是基本知识

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