Gazebo_simulation-Frontend/node_modules/worker-farm/lib/fork.js

34 lines
904 B
JavaScript

'use strict'
const childProcess = require('child_process')
, childModule = require.resolve('./child/index')
function fork (forkModule, workerOptions) {
// suppress --debug / --inspect flags while preserving others (like --harmony)
let filteredArgs = process.execArgv.filter(function (v) {
return !(/^--(debug|inspect)/).test(v)
})
, options = Object.assign({
execArgv : filteredArgs
, env : process.env
, cwd : process.cwd()
}, workerOptions)
, child = childProcess.fork(childModule, process.argv, options)
child.on('error', function() {
// this *should* be picked up by onExit and the operation requeued
})
child.send({ owner: 'farm', module: forkModule })
// return a send() function for this child
return {
send : child.send.bind(child)
, child : child
}
}
module.exports = fork