mirror of https://gitee.com/openkylin/nodejs.git
61 lines
2.1 KiB
JavaScript
61 lines
2.1 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 net = require('net');
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process.once('beforeExit', common.mustCall(tryImmediate));
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function tryImmediate() {
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setImmediate(common.mustCall(() => {
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process.once('beforeExit', common.mustCall(tryTimer));
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}));
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}
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function tryTimer() {
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setTimeout(common.mustCall(() => {
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process.once('beforeExit', common.mustCall(tryListen));
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}), 1);
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}
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function tryListen() {
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net.createServer()
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.listen(0)
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.on('listening', common.mustCall(function() {
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this.close();
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process.once('beforeExit', common.mustCall(tryRepeatedTimer));
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}));
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}
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// Test that a function invoked from the beforeExit handler can use a timer
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// to keep the event loop open, which can use another timer to keep the event
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// loop open, etc.
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function tryRepeatedTimer() {
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const N = 5;
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let n = 0;
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const repeatedTimer = common.mustCall(function() {
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if (++n < N)
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setTimeout(repeatedTimer, 1);
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}, N);
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setTimeout(repeatedTimer, 1);
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}
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