zombie processes nodejs

zombies.js

// http://stackoverflow.com/questions/12871740/how-to-detach-spawned-child-process-in-a-node-js-script
// https://nodejs.org/api/child_process.html#child_process_options_detached

// var fs = require('fs');
// var out = fs.openSync('./out.log', 'a');
// var err = fs.openSync('./out.log', 'a');

var cp = require('child_process');
// var child = cp.spawn('node', ['zombie.js'], { detached: true, stdio: [ 'ignore', out, err ] });
var child = cp.spawn('node', ['zombie.js'], { detached: true, stdio: [ 'ignore' /* stdin */, 'ignore' /* stdout */, 'ignore' /* stderr */ ] });
child.unref();