The Tor Browser: netwerk/cache/nsCacheUtils.cpp@a63d609f5ebe

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* vim:set ts=2 sw=2 sts=2 et cindent: */

     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/. */

     7 #include "nsCache.h"

     8 #include "nsCacheUtils.h"

     9 #include "nsThreadUtils.h"

    11 using namespace mozilla;

    13 class nsDestroyThreadEvent : public nsRunnable {

    14 public:

    15   nsDestroyThreadEvent(nsIThread *thread)

    16     : mThread(thread)

    17   {}

    18   NS_IMETHOD Run()

    19   {

    20     mThread->Shutdown();

    21     return NS_OK;

    22   }

    23 private:

    24   nsCOMPtr<nsIThread> mThread;

    25 };

    27 nsShutdownThread::nsShutdownThread(nsIThread *aThread)

    28   : mLock("nsShutdownThread.mLock")

    29   , mCondVar(mLock, "nsShutdownThread.mCondVar")

    30   , mThread(aThread)

    31 {

    32 }

    34 nsShutdownThread::~nsShutdownThread()

    35 {

    36 }

    38 nsresult

    39 nsShutdownThread::Shutdown(nsIThread *aThread)

    40 {

    41   nsresult rv;

    42   nsRefPtr<nsDestroyThreadEvent> ev = new nsDestroyThreadEvent(aThread);

    43   rv = NS_DispatchToMainThread(ev);

    44   if (NS_FAILED(rv)) {

    45     NS_WARNING("Dispatching event in nsShutdownThread::Shutdown failed!");

    46   }

    47   return rv;

    48 }

    50 nsresult

    51 nsShutdownThread::BlockingShutdown(nsIThread *aThread)

    52 {

    53   nsresult rv;

    55   nsRefPtr<nsShutdownThread> st = new nsShutdownThread(aThread);

    56   nsCOMPtr<nsIThread> workerThread;

    58   rv = NS_NewNamedThread("thread shutdown", getter_AddRefs(workerThread));

    59   if (NS_FAILED(rv)) {

    60     NS_WARNING("Can't create nsShutDownThread worker thread!");

    61     return rv;

    62   }

    64   {

    65     MutexAutoLock lock(st->mLock);

    66     rv = workerThread->Dispatch(st, NS_DISPATCH_NORMAL);

    67     if (NS_FAILED(rv)) {

    68       NS_WARNING(

    69         "Dispatching event in nsShutdownThread::BlockingShutdown failed!");

    70     } else {

    71       st->mCondVar.Wait();

    72     }

    73   }

    75   return Shutdown(workerThread);

    76 }

    78 NS_IMETHODIMP

    79 nsShutdownThread::Run()

    80 {

    81   MutexAutoLock lock(mLock);

    82   mThread->Shutdown();

    83   mCondVar.Notify();

    84   return NS_OK;

    85 }

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