使用stdin.write（）将crtl + c发送到node.js生成的子进程？ [英] sending crtl+c to a node.js spawned childprocess using stdin.write()?

问题描述

在节点脚本中，我生成了一个子进程，该子进程执行批处理文件run.bat，以终止由该批处理文件启动的程序，我需要将ctrl + c组合发送至该子进程，这对于我可以使用stdin.write（）方法将ctrl + c组合发送到程序。

In a node script, I have spawned a child process which executes a batch file run.bat , to terminate the program started by the batch-file i need to send ctrl+c combination to the child process , it is required for me to send ctrl+c combination to the program using stdin.write() method.

var hmc = require('child_process').spawn('cmd');
hmc.stdin.write('run.bat \n');

推荐答案

A CTRL + < kbd> C 等同于在Windows上发送 SIGINT 。您可以发送信号，而不是尝试向过程发送击键。只要您拥有子进程的进程ID，就可以使用子进程方法或其他进程来完成此操作。

A CTRL+C is equivalent to sending a SIGINT on Windows. Rather than trying to send a keystroke to the process, you can send a signal instead. This can either be done with a child process method or from other processes, provided that you have the process ID of the child:

hmc.kill('SIGINT');
// or from another process
process.kill(hmc.pid, 'SIGINT');

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