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内存泄漏有几种类型？有哪些排查方式 #25

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tbfungeek opened this issue Jan 5, 2020 · 0 comments

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tbfungeek commented Jan 5, 2020 •

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内存泄漏类型

对象型变量作为C语言结构体，或者联合体（struct、union）的成员
__unsafe_unretained修饰符的变量不属于编译器的内存管理对象。如果管理时不注意赋值对象的所有者，便可能遭遇内存泄露或者程序崩溃。
循环引用
对象被单例等长生命周期的对象持有
CF类型内存没有释放
注意以creat,copy作为关键字的函数都是需要释放内存的.

内存泄漏的排查方法

静态分析方法（Analyze）
动态分析方法（Instrument工具库里的Leaks,Allocations）
在可疑对象的dealloc方法中添加log进行查看
使用三方开源库：MLeaksFinder

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