mirror of https://gitee.com/openkylin/nodejs.git
33 lines
841 B
JavaScript
33 lines
841 B
JavaScript
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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 gcTrackerMap = new WeakMap();
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const gcTrackerTag = 'NODE_TEST_COMMON_GC_TRACKER';
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function onGC(obj, gcListener) {
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const async_hooks = require('async_hooks');
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const onGcAsyncHook = async_hooks.createHook({
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init: common.mustCallAtLeast(function(id, type) {
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if (this.trackedId === undefined) {
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assert.strictEqual(type, gcTrackerTag);
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this.trackedId = id;
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}
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}),
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destroy(id) {
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assert.notStrictEqual(this.trackedId, -1);
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if (id === this.trackedId) {
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this.gcListener.ongc();
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onGcAsyncHook.disable();
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}
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}
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}).enable();
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onGcAsyncHook.gcListener = gcListener;
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gcTrackerMap.set(obj, new async_hooks.AsyncResource(gcTrackerTag));
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obj = null;
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}
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module.exports = onGC;
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