nodejs-mozilla/test/parallel/test-cluster-uncaught-excep...

50 lines
1.9 KiB
JavaScript

// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
'use strict';
// Installing a custom uncaughtException handler should override the default
// one that the cluster module installs.
// https://github.com/joyent/node/issues/2556
const common = require('../common');
const assert = require('assert');
const cluster = require('cluster');
const fork = require('child_process').fork;
const MAGIC_EXIT_CODE = 42;
const isTestRunner = process.argv[2] !== 'child';
if (isTestRunner) {
const master = fork(__filename, ['child']);
master.on('exit', common.mustCall((code) => {
assert.strictEqual(code, MAGIC_EXIT_CODE);
}));
} else if (cluster.isMaster) {
process.on('uncaughtException', common.mustCall(() => {
process.nextTick(() => process.exit(MAGIC_EXIT_CODE));
}));
cluster.fork();
throw new Error('kill master');
} else { // worker
process.exit();
}