/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* vim:set ts=2 sw=2 sts=2 et cindent: */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
// The update sync manager is responsible for making sure that only one // instance of the application is running at the time we want to start updating // it. It does this by taking a multi-instance lock very early during the // application's startup process. Then, when app update tasks are ready to run, // the update service asks us whether anything else has also taken that lock, // which, if true, would mean another instance of the application is currently // running and performing update tasks should be avoided (the update service // also runs a timeout and eventually goes ahead with the update in order to // prevent an external program from effectively disabling updates). class nsUpdateSyncManager final : public nsIUpdateSyncManager, public nsIObserver { public: explicit nsUpdateSyncManager(nsIFile* anAppFile = nullptr);
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