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This allows third-party tools to check whether or not a handle that can be unreferenced is unreferenced at a particular time. Notably, this should be helpful for inspection via AsyncWrap. Also, this is useful even to node's internals, particularly timers. Refs: https://github.com/nodejs/node/pull/5828 Refs: https://github.com/nodejs/node/pull/5827 PR-URL: https://github.com/nodejs/node/pull/5834 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Trevor Norris <trev.norris@gmail.com>
32 lines
1.0 KiB
JavaScript
32 lines
1.0 KiB
JavaScript
'use strict';
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const common = require('../common');
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const strictEqual = require('assert').strictEqual;
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const spawn = require('child_process').spawn;
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function makeAssert(message) {
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return function(actual, expected) {
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strictEqual(actual, expected, message);
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};
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}
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const assert = makeAssert('isRefed() not working on tty_wrap');
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if (process.argv[2] === 'child') {
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// Test tty_wrap in piped child to guarentee stdin being a TTY.
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const ReadStream = require('tty').ReadStream;
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const tty = new ReadStream(0);
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assert(Object.getPrototypeOf(tty._handle).hasOwnProperty('isRefed'), true);
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assert(tty._handle.isRefed(), true);
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tty.unref();
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assert(tty._handle.isRefed(), false);
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return;
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}
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// Use spawn so that we can be sure that stdin has a _handle property.
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// Refs: https://github.com/nodejs/node/pull/5916
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const proc = spawn(process.execPath, [__filename, 'child'], { stdio: 'pipe' });
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proc.stderr.pipe(process.stderr);
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proc.on('exit', common.mustCall(function(exitCode) {
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process.exitCode = exitCode;
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}));
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