/* This Source Code Form is subject to the terms of the Mozilla Public *License,v.2.0.IfacopyoftheMPLwasnotdistributedwiththis
* 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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