mirror of https://github.com/lukechilds/node.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
105 lines
2.4 KiB
105 lines
2.4 KiB
'use strict';
|
|
const common = require('../common');
|
|
const assert = require('assert');
|
|
const cluster = require('cluster');
|
|
|
|
const totalWorkers = 2;
|
|
|
|
// Cluster setup
|
|
if (cluster.isWorker) {
|
|
const http = require('http');
|
|
http.Server(() => {
|
|
|
|
}).listen(common.PORT, '127.0.0.1');
|
|
|
|
} else if (process.argv[2] === 'cluster') {
|
|
|
|
// Send PID to testcase process
|
|
let forkNum = 0;
|
|
cluster.on('fork', common.mustCall(function forkEvent(worker) {
|
|
|
|
// Send PID
|
|
process.send({
|
|
cmd: 'worker',
|
|
workerPID: worker.process.pid
|
|
});
|
|
|
|
// Stop listening when done
|
|
if (++forkNum === totalWorkers) {
|
|
cluster.removeListener('fork', forkEvent);
|
|
}
|
|
}));
|
|
|
|
// Throw accidental error when all workers are listening
|
|
let listeningNum = 0;
|
|
cluster.on('listening', common.mustCall(function listeningEvent() {
|
|
|
|
// When all workers are listening
|
|
if (++listeningNum === totalWorkers) {
|
|
// Stop listening
|
|
cluster.removeListener('listening', listeningEvent);
|
|
|
|
// Throw accidental error
|
|
process.nextTick(() => {
|
|
throw new Error('accidental error');
|
|
});
|
|
}
|
|
|
|
}));
|
|
|
|
// Startup a basic cluster
|
|
cluster.fork();
|
|
cluster.fork();
|
|
|
|
} else {
|
|
// This is the testcase
|
|
|
|
const fork = require('child_process').fork;
|
|
|
|
let masterExited = false;
|
|
let workersExited = false;
|
|
|
|
// List all workers
|
|
const workers = [];
|
|
|
|
// Spawn a cluster process
|
|
const master = fork(process.argv[1], ['cluster'], {silent: true});
|
|
|
|
// Handle messages from the cluster
|
|
master.on('message', common.mustCall((data) => {
|
|
|
|
// Add worker pid to list and progress tracker
|
|
if (data.cmd === 'worker') {
|
|
workers.push(data.workerPID);
|
|
}
|
|
}, totalWorkers));
|
|
|
|
// When cluster is dead
|
|
master.on('exit', common.mustCall((code) => {
|
|
|
|
// Check that the cluster died accidentally (non-zero exit code)
|
|
masterExited = !!code;
|
|
|
|
const pollWorkers = function() {
|
|
// When master is dead all workers should be dead too
|
|
let alive = false;
|
|
workers.forEach((pid) => alive = common.isAlive(pid));
|
|
if (alive) {
|
|
setTimeout(pollWorkers, 50);
|
|
} else {
|
|
workersExited = true;
|
|
}
|
|
};
|
|
|
|
// Loop indefinitely until worker exit
|
|
pollWorkers();
|
|
}));
|
|
|
|
process.once('exit', () => {
|
|
assert(masterExited,
|
|
'The master did not die after an error was thrown');
|
|
assert(workersExited,
|
|
'The workers did not die after an error in the master');
|
|
});
|
|
|
|
}
|
|
|