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f8763bb077
PR-URL: https://github.com/nodejs/node/pull/26483 Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com> Reviewed-By: Michaël Zasso <targos@protonmail.com>
116 lines
3.5 KiB
JavaScript
116 lines
3.5 KiB
JavaScript
// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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'use strict';
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const common = require('../common');
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const assert = require('assert');
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const fork = require('child_process').fork;
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const net = require('net');
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// child
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if (process.argv[2] === 'child') {
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// Check that the 'disconnect' event is deferred to the next event loop tick.
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const disconnect = process.disconnect;
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process.disconnect = function() {
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disconnect.apply(this, arguments);
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// If the event is emitted synchronously, we're too late by now.
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process.once('disconnect', common.mustCall(disconnectIsNotAsync));
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// The funky function name makes it show up legible in mustCall errors.
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function disconnectIsNotAsync() {}
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};
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const server = net.createServer();
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server.on('connection', function(socket) {
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socket.resume();
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process.on('disconnect', function() {
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socket.end((process.connected).toString());
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});
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// When the socket is closed, we will close the server
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// allowing the process to self terminate
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socket.on('end', function() {
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server.close();
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});
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socket.write('ready');
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});
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// When the server is ready tell parent
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server.on('listening', function() {
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process.send({ msg: 'ready', port: server.address().port });
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});
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server.listen(0);
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} else {
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// testcase
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const child = fork(process.argv[1], ['child']);
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let childFlag = false;
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let parentFlag = false;
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// When calling .disconnect the event should emit
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// and the disconnected flag should be true.
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child.on('disconnect', common.mustCall(function() {
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parentFlag = child.connected;
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}));
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// The process should also self terminate without using signals
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child.on('exit', common.mustCall());
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// when child is listening
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child.on('message', function(obj) {
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if (obj && obj.msg === 'ready') {
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// Connect to child using TCP to know if disconnect was emitted
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const socket = net.connect(obj.port);
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socket.on('data', function(data) {
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data = data.toString();
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// ready to be disconnected
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if (data === 'ready') {
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child.disconnect();
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assert.throws(
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child.disconnect.bind(child),
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{
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code: 'ERR_IPC_DISCONNECTED'
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});
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return;
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}
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// disconnect is emitted
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childFlag = (data === 'true');
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});
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}
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});
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process.on('exit', function() {
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assert.strictEqual(childFlag, false);
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assert.strictEqual(parentFlag, false);
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});
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}
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