netwerk/cache/nsCacheUtils.h
author Ryan VanderMeulen <ryanvm@gmail.com>
Tue, 28 Oct 2014 12:57:31 -0400
changeset 237027 d94624ae1684444cd777aa7ff9beae75871fe948
parent 219561 2d5be0125f4690e7a2079e591ff2cbf952e5bca8
permissions -rw-r--r--
Backed out changesets 262df50c7355 and 2dbd41ba7717 (bug 1088617) for crashes.

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim: set sw=2 ts=8 et tw=80 : */
/* 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/. */

#ifndef _nsCacheUtils_h_
#define _nsCacheUtils_h_

#include "nsThreadUtils.h"
#include "nsCOMPtr.h"
#include "mozilla/Mutex.h"
#include "mozilla/CondVar.h"

class nsIThread;

/**
 * A class with utility methods for shutting down nsIThreads easily.
  */
class nsShutdownThread : public nsRunnable {
public:
  explicit nsShutdownThread(nsIThread *aThread);
  ~nsShutdownThread();

  NS_IMETHOD Run();

/**
 * Shutdown ensures that aThread->Shutdown() is called on a main thread
 */
  static nsresult Shutdown(nsIThread *aThread);

/**
 * BlockingShutdown ensures that by the time it returns, aThread->Shutdown() has
 * been called and no pending events have been processed on the current thread.
 */
  static nsresult BlockingShutdown(nsIThread *aThread);

private:
  mozilla::Mutex      mLock;
  mozilla::CondVar    mCondVar;
  nsCOMPtr<nsIThread> mThread;
};

#endif