michael@0: /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0: /* vim: set sw=2 ts=8 et tw=80 : */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef _nsCacheUtils_h_
michael@0: #define _nsCacheUtils_h_
michael@0: 
michael@0: #include "nsThreadUtils.h"
michael@0: #include "nsCOMPtr.h"
michael@0: #include "mozilla/Mutex.h"
michael@0: #include "mozilla/CondVar.h"
michael@0: 
michael@0: class nsIThread;
michael@0: 
michael@0: /**
michael@0:  * A class with utility methods for shutting down nsIThreads easily.
michael@0:   */
michael@0: class nsShutdownThread : public nsRunnable {
michael@0: public:
michael@0:   nsShutdownThread(nsIThread *aThread);
michael@0:   ~nsShutdownThread();
michael@0: 
michael@0:   NS_IMETHOD Run();
michael@0: 
michael@0: /**
michael@0:  * Shutdown ensures that aThread->Shutdown() is called on a main thread
michael@0:  */
michael@0:   static nsresult Shutdown(nsIThread *aThread);
michael@0: 
michael@0: /**
michael@0:  * BlockingShutdown ensures that by the time it returns, aThread->Shutdown() has
michael@0:  * been called and no pending events have been processed on the current thread.
michael@0:  */
michael@0:   static nsresult BlockingShutdown(nsIThread *aThread);
michael@0: 
michael@0: private:
michael@0:   mozilla::Mutex      mLock;
michael@0:   mozilla::CondVar    mCondVar;
michael@0:   nsCOMPtr<nsIThread> mThread;
michael@0: };
michael@0: 
michael@0: #endif