如何使用Node.js检查任意PID是否正在运行? [英] How to check if an arbitrary PID is running using Node.js?

问题描述

是否有某种方法可以使用Node.js检查系统上是否正在运行或运行任意PID?假定Node.js脚本具有读取/proc或Windows等效文件的适当权限.

Is there some way to check if an arbitrary PID is running or alive on the system, using Node.js? Assume that the Node.js script has the appropriate permissions to read /proc or the Windows equivalent.

这可以同步完成:

if (isAlive(pid)) { //do stuff }

或异步:

getProcessStatus(pid, function(status) {
    if (status === "alive") { //do stuff }
}

请注意，我希望为此找到一种解决方案，该解决方案可以与任意系统PID配合使用，而不是只是运行中的Node.js进程的PID.

Note that I'm hoping to find a solution for this that works with an arbitrary system PID , not just the PID of a running Node.js process.

推荐答案

我还需要检查项目中是否运行了pid.我参加了这个答案使用kill -0 <PID>并将其包装在名为正在运行的模块中

I needed to check for running pid's in a project as well. I took this answer of using kill -0 <PID> and wrapped it up in a module called is-running https://npmjs.org/package/is-running

npm install is-running

这篇关于如何使用Node.js检查任意PID是否正在运行?的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！