Linux fork 后 wait 获取子进程结束的状态示例
概览 使用 fork 后，可能需要获取 fork 的进程的运行状况，比如有没有异常、崩溃。 wait 在 man 中关键的描述如下： All of these system calls are used to wait for state changes in a child of the calling process, and obtain information about the child whose state has changed. A state change is considered to be: the child terminated; the child was stopped by a signal; or the child was resumed by a signal. 示例代码 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46……