kenduffy
V2EX  ›  问与答

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?

  •  
  •   kenduffy · Dec 4, 2017 · 2905 views
    This topic created in 3258 days ago, the information mentioned may be changed or developed.

    锁自动解除吗?

    5 replies  •  2017-12-04 16:57:00 +08:00
    HaoyangWei
    HaoyangWei
    Dec 4, 2017
    1
    看锁是怎么实现的
    8rB61FLBPVSxW2C8
    8rB61FLBPVSxW2C8
    Dec 4, 2017
    2
    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
    kenduffy
    kenduffy
    OP
    Dec 4, 2017
    3
    @HackerOO7

    ReentrantLock 如果抛出 RuntimeException,不会想到去捕捉啊
    那岂不是就死锁?
    kenduffy
    kenduffy
    OP
    Dec 4, 2017
    4
    顶顶顶
    SoloCompany
    SoloCompany
    Dec 4, 2017
    5
    读一下 Thread.stop 为什么会是 deprecated, 这应该是基本知识
    About   ·   Help   ·   Advertise   ·   Blog   ·   API   ·   FAQ   ·   Privacy   ·   Solana   ·   1525 Online   Highest 6679   ·     Select Language
    创意工作者们的社区
    World is powered by solitude
    VERSION: 3.9.8.5 · 30ms · UTC 23:10 · PVG 07:10 · LAX 15:10 · JFK 18:10
    ♥ Do have faith in what you're doing.