node.js - Can I know who send me a signal?

Question

I use a node.js. I have an application running, and I receive a Signal using process.on(). Is it possible to know who have send me this signal (it's process id)? Is there another way of receiving signals and identify the sender?

process.on('SIGUSR2', () => { /* who did I get SIGUSR2 from? */ });

Answer 1

等待大神答复