1// Copyright Joyent, Inc. and other Node contributors. 2// 3// Permission is hereby granted, free of charge, to any person obtaining a 4// copy of this software and associated documentation files (the 5// "Software"), to deal in the Software without restriction, including 6// without limitation the rights to use, copy, modify, merge, publish, 7// distribute, sublicense, and/or sell copies of the Software, and to permit 8// persons to whom the Software is furnished to do so, subject to the 9// following conditions: 10// 11// The above copyright notice and this permission notice shall be included 12// in all copies or substantial portions of the Software. 13// 14// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 15// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 16// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN 17// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 18// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 19// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 20// USE OR OTHER DEALINGS IN THE SOFTWARE. 21 22'use strict'; 23const common = require('../common'); 24const assert = require('assert'); 25const cluster = require('cluster'); 26const net = require('net'); 27 28if (cluster.isMaster) { 29 // Master opens and binds the socket and shares it with the worker. 30 cluster.schedulingPolicy = cluster.SCHED_NONE; 31 // Hog the TCP port so that when the worker tries to bind, it'll fail. 32 const server = net.createServer(common.mustNotCall()); 33 34 server.listen(0, common.mustCall(() => { 35 const worker = cluster.fork({ PORT: server.address().port }); 36 worker.on('exit', common.mustCall((exitCode) => { 37 assert.strictEqual(exitCode, 0); 38 server.close(); 39 })); 40 })); 41} else { 42 assert(process.env.PORT); 43 const s = net.createServer(common.mustNotCall()); 44 s.listen(process.env.PORT, common.mustNotCall('listen should have failed')); 45 s.on('error', common.mustCall((err) => { 46 assert.strictEqual(err.code, 'EADDRINUSE'); 47 process.disconnect(); 48 })); 49} 50