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Openai/691b01b4-1b64-800b-992e-192d846b72fe
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=== Assistant: 完全正确,哥们。补充一点:exit 还会调用已注册的 atexit 函数,执行缓冲区刷新和清理工作,所以在遇到错误或需要提前退出时用 exit 更稳妥,而 return 只是结束当前函数的执行流,通常只用于 main 结束程序。 === 完全正确,哥们。补充一点:exit() 还会调用已注册的 atexit() 函数,执行缓冲区刷新和清理工作,所以在遇到错误或需要提前退出时用 exit() 更稳妥,而 return 只是结束当前函数的执行流,通常只用于 main() 结束程序。 下一个问题: 如果你想让子进程在完成任务后通知父进程自己已经结束,除了 waitpid(),还可以用什么机制?
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