1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ 2 /* vim: set sw=2 ts=8 et tw=80 : */ 3 /* This Source Code Form is subject to the terms of the Mozilla Public 4 * License, v. 2.0. If a copy of the MPL was not distributed with this 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 6 7 #ifndef _nsCacheUtils_h_ 8 #define _nsCacheUtils_h_ 9 10 #include "nsThreadUtils.h" 11 #include "nsCOMPtr.h" 12 #include "mozilla/Monitor.h" 13 14 class nsIThread; 15 16 /** 17 * A class with utility methods for shutting down nsIThreads easily. 18 */ 19 class nsShutdownThread : public mozilla::Runnable { 20 public: 21 explicit nsShutdownThread(nsIThread *aThread); 22 ~nsShutdownThread(); 23 24 NS_IMETHOD Run() override; 25 26 /** 27 * Shutdown ensures that aThread->Shutdown() is called on a main thread 28 */ 29 static nsresult Shutdown(nsIThread *aThread); 30 31 /** 32 * BlockingShutdown ensures that by the time it returns, aThread->Shutdown() 33 * has been called and no pending events have been processed on the current 34 * thread. 35 */ 36 static nsresult BlockingShutdown(nsIThread *aThread); 37 38 private: 39 mozilla::Monitor mMonitor; 40 bool mShuttingDown; 41 nsCOMPtr<nsIThread> mThread; 42 }; 43 44 #endif 45