linux使用超时终止进程(以毫秒为单位) [英] linux kill process using timeout in milliseconds

问题描述

我想在Linux上经过指定的时间后强制终止程序. 我发现linux中的'timeout'util可以在指定的时间后杀死程序， 但它不接受MILLISECONDS. 即，"TIME TIME ./PROGRAM"在经过了TIME(毫秒不是秒，而是秒)后杀死了PROGRAM. 在Linux SHELL 上发生一些MILLISECONDS之后，是否有办法杀死进程? 任何意见将不胜感激.

I want to force terminate a program after a specified time is elapsed on linux. I found that 'timeout' util in linux can kill a program after a specified time, but it does not accept MILLISECONDS. That is, "timeout TIME ./PROGRAM" kills PROGRAM after TIME elapsed where TIME is not milliseconds but seconds. Is there a way to kill a process after some MILLISECONDS on linux SHELL? Any comments would be appreciated.

推荐答案

您可以执行以下操作:

#!/bin/bash

#execute command in background
<command> & 

#get process ID
PROC=$! 

#sleep for 10 milliseconds then kill command
(usleep 10000; kill $PROC) & 

#bring back the process ID, finish command or kill it
fg $PROC 

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