netwerk/cache/nsCacheUtils.h

   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/Mutex.h"
  13 #include "mozilla/CondVar.h"
  14
  15 class nsIThread;
  16
  17 /**
  18  * A class with utility methods for shutting down nsIThreads easily.
  19   */
  20 class nsShutdownThread : public nsRunnable {
  21 public:
  22   explicit nsShutdownThread(nsIThread *aThread);
  23   ~nsShutdownThread();
  24
  25   NS_IMETHOD Run();
  26
  27 /**
  28  * Shutdown ensures that aThread->Shutdown() is called on a main thread
  29  */
  30   static nsresult Shutdown(nsIThread *aThread);
  31
  32 /**
  33  * BlockingShutdown ensures that by the time it returns, aThread->Shutdown() has
  34  * been called and no pending events have been processed on the current thread.
  35  */
  36   static nsresult BlockingShutdown(nsIThread *aThread);
  37
  38 private:
  39   mozilla::Mutex      mLock;
  40   mozilla::CondVar    mCondVar;
  41   nsCOMPtr<nsIThread> mThread;
  42 };
  43
  44 #endif