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62 lines
1.8 KiB
JavaScript
62 lines
1.8 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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import { setTimeout } from "resource://gre/modules/Timer.sys.mjs";
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// This listens for the message "browser-test:collect-request". When it gets it,
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// it runs some GCs and CCs, then prints out a message indicating the collections
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// are complete. Mochitest uses this information to determine when windows and
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// docshells should be destroyed.
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export var ContentCollector = {
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init() {
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let processType = Services.appinfo.processType;
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if (processType == Ci.nsIXULRuntime.PROCESS_TYPE_DEFAULT) {
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// In the main process, we handle triggering collections in browser-test.js
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return;
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}
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Services.cpmm.addMessageListener("browser-test:collect-request", this);
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},
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receiveMessage(aMessage) {
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switch (aMessage.name) {
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case "browser-test:collect-request":
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Services.obs.notifyObservers(null, "memory-pressure", "heap-minimize");
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Cu.forceGC();
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Cu.forceCC();
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let shutdownCleanup = aCallback => {
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Cu.schedulePreciseShrinkingGC(() => {
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// Run the GC and CC a few times to make sure that as much
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// as possible is freed.
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Cu.forceGC();
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Cu.forceCC();
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aCallback();
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});
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};
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shutdownCleanup(() => {
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setTimeout(() => {
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shutdownCleanup(() => {
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this.finish();
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});
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}, 1000);
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});
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break;
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}
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},
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finish() {
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let pid = Services.appinfo.processID;
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dump("Completed ShutdownLeaks collections in process " + pid + "\n");
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Services.cpmm.removeMessageListener("browser-test:collect-request", this);
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},
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};
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ContentCollector.init();
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