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'; 23// Test that a Linux specific quirk in the handle passing protocol is handled 24// correctly. See https://github.com/joyent/node/issues/5330 for details. 25 26const common = require('../common'); 27const assert = require('assert'); 28const net = require('net'); 29const spawn = require('child_process').spawn; 30 31if (process.argv[2] === 'worker') 32 worker(); 33else 34 master(); 35 36function master() { 37 // spawn() can only create one IPC channel so we use stdin/stdout as an 38 // ad-hoc command channel. 39 const proc = spawn(process.execPath, [__filename, 'worker'], { 40 stdio: ['pipe', 'pipe', 'pipe', 'ipc'] 41 }); 42 let handle = null; 43 proc.on('exit', () => { 44 handle.close(); 45 }); 46 proc.stdout.on('data', common.mustCall((data) => { 47 assert.strictEqual(data.toString(), 'ok\r\n'); 48 net.createServer(common.mustNotCall()).listen(0, function() { 49 handle = this._handle; 50 proc.send('one'); 51 proc.send('two', handle); 52 proc.send('three'); 53 proc.stdin.write('ok\r\n'); 54 }); 55 })); 56 proc.stderr.pipe(process.stderr); 57} 58 59function worker() { 60 process.channel.readStop(); // Make messages batch up. 61 process.stdout.ref(); 62 process.stdout.write('ok\r\n'); 63 process.stdin.once('data', common.mustCall((data) => { 64 assert.strictEqual(data.toString(), 'ok\r\n'); 65 process.channel.readStart(); 66 })); 67 let n = 0; 68 process.on('message', common.mustCall((msg, handle) => { 69 n += 1; 70 if (n === 1) { 71 assert.strictEqual(msg, 'one'); 72 assert.strictEqual(handle, undefined); 73 } else if (n === 2) { 74 assert.strictEqual(msg, 'two'); 75 assert.ok(handle !== null && typeof handle === 'object'); 76 handle.close(); 77 } else if (n === 3) { 78 assert.strictEqual(msg, 'three'); 79 assert.strictEqual(handle, undefined); 80 process.exit(); 81 } 82 }, 3)); 83} 84