重看《寻梦幻游记》的时候想到了 iOS 的内存管理机制 - V2EX
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forkon

重看《寻梦幻游记》的时候想到了 iOS 的内存管理机制

  •  
  •   forkon Jul 3, 2018 3805 views
    This topic created in 2855 days ago, the information mentioned may be changed or developed.

    《寻梦幻游记》:真正的死亡是世界上再没有一个人记得你。

    iOS:当一个对象的引用计数为 0 的时候,该对象就会被销毁。

    10 replies    2018-07-03 17:34:12 +08:00
    cxh116
        1
    cxh116  
       Jul 3, 2018 via Android
    循环引用怎么办?
    iwtbauh
        2
    iwtbauh  
       Jul 3, 2018 via Android
    很多操作系统 /软件都是这种机制啊。。。
    forkon
        3
    forkon  
    OP
       Jul 3, 2018
    @cxh116 这是另外一个概念了,请你也打个比方。
    cigarzh
        4
    cigarzh  
       Jul 3, 2018 via iPhone
    2333 有趣的脑洞
    iceheart
        5
    iceheart  
       Jul 3, 2018 via Android
    不就是 GC 么
    flicker317
        6
    flicker317  
       Jul 3, 2018 via iPhone
    循环引用引用计数就不是 0 了呀
    jason2017
        7
    jason2017  
       Jul 3, 2018
    现在都用可达性分析,引用计数会引起循环引用的 bug。
    testobjs
        8
    testobjs  
       Jul 3, 2018
    共享指针啊,所有人忘记你时就开始析构
    icestraw
        9
    icestraw  
       Jul 3, 2018
    试着补充一个设定:人死之后和他关联的记忆都会变成弱引用,因此解决了循环引用的问题
    neosfung
        10
    neosfung  
       Jul 3, 2018
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