如何安排流程的终止? [英] How do I schedule a process' termination?

问题描述

我需要运行一个进程，等待几个小时，将其杀死，然后重新启动.有没有一种简单的方法可以使用Python或Bash做到这一点?我可以在后台运行它，但是如何识别它以对它使用kill?

I need to run a process, wait a few hours, kill it, and start it again. Is there an easy way that I can accomplish this with Python or Bash? I can run it in the background but how do I identify it to use kill on it?

推荐答案

使用bash:

while true ; do
    run_proc &
    PID=$!
    sleep 3600
    kill $PID
    sleep 30
done

$! bash变量扩展为最近启动的后台进程的PID. sleep仅等待一个小时，然后kill关闭该进程.

The $! bash variable expands to the PID of the most recently started background process. The sleep just waits an hour, then the kill shuts down that process.

while循环不断地反复进行.

The while loop just keeps doing it over and over.

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