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面试官: 说说看什么是 Hook (钩子) 线程以及应用场景?-Java小泽的博客
source link: https://blog.51cto.com/14257804/2379579
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Hook 线程只有在正确接收到退出信号时，才能被正确执行，如果你是通过 kill -9这种方式，强制杀死的进程，那么抱歉，进程是不会去执行 Hook 线程的，为什么呢？你想啊，它自己都被强制干掉了，哪里还管的上别人呢？请不要在 Hook 线程中执行一些耗时的操作，这样会导致程序长时间不能退出。
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