Send signals to a debugged nodejs application in Visual Studio Code

Question

I have a simple nodejs application like

...
function checkTermination () {
  console.log('start closing ...');
  ...
}
process.on('SIGTERM', checkTermination);
process.on('SIGINT', checkTermination);

I'm debugging it with Visual Studio Code.

Is there an opportunity to send some signals like SIGINT, SIGTERM to the application with "Visual Studio Code" ? How can I do this?

Rajan Panneer Selvam · Accepted Answer · 2018-05-09 10:31:46Z

5

Find the process ID
Send the Signal

I have a program named test.js, attached to VS code.

ps aux | grep node | grep test
//Result
user1           3580   0.0  0.2  3115916  35648   ??  S     3:29PM   0:00.29 /usr/local/bin/node --inspect-brk=48750 test.js
// Send the signal
kill -TERM 3580 // 3580 is the PID

edited May 9, 2018 at 10:31

answered May 9, 2018 at 10:03

Rajan Panneer Selvam

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Felicio · Accepted Answer · 2020-04-10 21:04:49Z

0

When launched:

Pressing Stop button in Debug toolbar once (Run > Stop Debugging, or Shift + F5), sends 'SIGINT' signal to your process
- https://github.com/microsoft/vscode-node-debug/blob/89cc7d241064f3be21aaeaf3279f4181f61f6ae4/src/node/nodeDebug.ts#L1602-L1610
Pressing it for a second time, it sends 'SIGKILL'
- https://github.com/microsoft/vscode-node-debug/blob/89cc7d241064f3be21aaeaf3279f4181f61f6ae4/src/node/nodeDebug.ts#L1612-L1618

When attached to:

Pressing Stop, immediately disconnects
- https://github.com/microsoft/vscode-node-debug/blob/89cc7d241064f3be21aaeaf3279f4181f61f6ae4/src/node/nodeDebug.ts#L1630-L1638

See https://github.com/microsoft/vscode-node-debug/issues/1#issuecomment-405123769

answered Apr 10, 2020 at 21:04

Felicio

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1 Comment

Lau Over a year ago

Funny this never worked for me, let me retry this again today..

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