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55 lines
1.9 KiB
JavaScript
55 lines
1.9 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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var Ci = Components.interfaces;
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var Cc = Components.classes;
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var Cu = Components.utils;
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Cu.import("resource://gre/modules/Services.jsm");
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this.EXPORTED_SYMBOLS = ["ContentCollector"];
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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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var ContentCollector = {
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init: function() {
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let processType = Cc["@mozilla.org/xre/app-info;1"].getService(Ci.nsIXULRuntime).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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let cpmm = Cc["@mozilla.org/childprocessmessagemanager;1"]
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.getService(Ci.nsISyncMessageSender);
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cpmm.addMessageListener("browser-test:collect-request", this);
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},
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receiveMessage: function(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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Cu.schedulePreciseShrinkingGC(() => {
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Cu.forceCC();
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let pid = Cc["@mozilla.org/xre/app-info;1"].getService(Ci.nsIXULRuntime).processID;
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dump("Completed ShutdownLeaks collections in process " + pid + "\n")});
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let cpmm = Cc["@mozilla.org/childprocessmessagemanager;1"]
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.getService(Ci.nsISyncMessageSender);
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cpmm.removeMessageListener("browser-test:collect-request", this);
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break;
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}
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}
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};
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ContentCollector.init();
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