Computer System, Computer Science, Operating Systems.
进程被永远停止不可再执行。三种原因会导致进程终止：1）收到信号导致终止；2）从主程序返回；3）调用exit函数 Zombie Process 僵尸进程 When a process terminates for any reason, the kernel does not remove it from the system immediately. Instead, the process is kept around in a terminated state until it is reaped by its parent. When the parent reaps the