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When V8 started supporting Promises natively it also introduced a microtack queue. This feature operates similar to process.nextTick(), and created an issue where neither knew when the other had run. This patch has nextTick() call the microtask queue runner at the end of processing callbacks in the nextTickQueue. Fixes: https://github.com/joyent/node/issues/7714 Reviewed-by: Trevor Norris <trev.norris@gmail.com>v0.11.14-release
Vladimir Kurchatkin
10 years ago
committed by
Trevor Norris
4 changed files with 178 additions and 1 deletions
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// 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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var common = require('../common'); |
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var assert = require('assert'); |
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var domain = require('domain'); |
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var implementations = [ |
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function (fn) { |
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Promise.resolve().then(fn); |
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}, |
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function (fn) { |
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var obj = {}; |
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Object.observe(obj, fn); |
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obj.a = 1; |
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} |
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]; |
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var expected = 0; |
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var done = 0; |
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process.on('exit', function () { |
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assert.equal(done, expected); |
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}); |
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function test (scheduleMicrotask) { |
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var nextTickCalled = false; |
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expected++; |
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scheduleMicrotask(function () { |
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process.nextTick(function () { |
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nextTickCalled = true; |
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}); |
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setTimeout(function () { |
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assert(nextTickCalled); |
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done++; |
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}, 0); |
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}); |
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} |
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// first tick case
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implementations.forEach(test); |
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// tick callback case
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setTimeout(function () { |
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implementations.forEach(function (impl) { |
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process.nextTick(test.bind(null, impl)); |
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}); |
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}, 0); |
@ -0,0 +1,69 @@ |
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// 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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var common = require('../common'); |
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var assert = require('assert'); |
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var implementations = [ |
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function (fn) { |
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Promise.resolve().then(fn); |
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}, |
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function (fn) { |
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var obj = {}; |
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Object.observe(obj, fn); |
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obj.a = 1; |
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} |
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]; |
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var expected = 0; |
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var done = 0; |
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process.on('exit', function () { |
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assert.equal(done, expected); |
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}); |
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function test (scheduleMicrotask) { |
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var nextTickCalled = false; |
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expected++; |
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scheduleMicrotask(function () { |
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process.nextTick(function () { |
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nextTickCalled = true; |
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}); |
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setTimeout(function () { |
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assert(nextTickCalled); |
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done++; |
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}, 0); |
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}); |
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} |
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// first tick case
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implementations.forEach(test); |
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// tick callback case
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setTimeout(function () { |
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implementations.forEach(function (impl) { |
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process.nextTick(test.bind(null, impl)); |
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}); |
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}, 0); |
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