Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim: set ts=8 sts=2 et sw=2 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             : #include "mozilla/ipc/BrowserProcessSubThread.h"
       8             : 
       9             : #if defined(OS_WIN)
      10             : #include <objbase.h>
      11             : #endif
      12             : 
      13             : namespace mozilla {
      14             : namespace ipc {
      15             : 
      16             : //
      17             : // BrowserProcessSubThread
      18             : //
      19             : 
      20             : // Friendly names for the well-known threads.
      21             : static const char* kBrowserThreadNames[BrowserProcessSubThread::ID_COUNT] = {
      22             :   "Gecko_IOThread",  // IO
      23             : //  "Chrome_FileThread",  // FILE
      24             : //  "Chrome_DBThread",  // DB
      25             : //  "Chrome_HistoryThread",  // HISTORY
      26             : #if defined(OS_LINUX) || defined(OS_SOLARIS)
      27             :   "Gecko_Background_X11Thread",  // BACKGROUND_X11
      28             : #endif
      29             : };
      30             : 
      31           3 : /* static */ StaticMutex BrowserProcessSubThread::sLock;
      32             : BrowserProcessSubThread* BrowserProcessSubThread::sBrowserThreads[ID_COUNT] = {
      33             :   nullptr,  // IO
      34             : //  nullptr,  // FILE
      35             : //  nullptr,  // DB
      36             : //  nullptr,  // HISTORY
      37             : #if defined(OS_LINUX) || defined(OS_SOLARIS)
      38             :   nullptr,  // BACKGROUND_X11
      39             : #endif
      40             : };
      41             : 
      42           1 : BrowserProcessSubThread::BrowserProcessSubThread(ID aId) :
      43             :   base::Thread(kBrowserThreadNames[aId]),
      44           1 :   mIdentifier(aId)
      45             : {
      46           2 :   StaticMutexAutoLock lock(sLock);
      47           1 :   DCHECK(aId >= 0 && aId < ID_COUNT);
      48           1 :   DCHECK(sBrowserThreads[aId] == nullptr);
      49           1 :   sBrowserThreads[aId] = this;
      50           1 : }
      51             : 
      52           0 : BrowserProcessSubThread::~BrowserProcessSubThread()
      53             : {
      54           0 :   Stop();
      55             :   {
      56           0 :     StaticMutexAutoLock lock(sLock);
      57           0 :     sBrowserThreads[mIdentifier] = nullptr;
      58             :   }
      59             : 
      60           0 : }
      61             : 
      62             : void
      63           1 : BrowserProcessSubThread::Init()
      64             : {
      65             : #if defined(OS_WIN)
      66             :   // Initializes the COM library on the current thread.
      67             :   CoInitialize(nullptr);
      68             : #endif
      69           1 : }
      70             : 
      71             : void
      72           0 : BrowserProcessSubThread::CleanUp()
      73             : {
      74             : #if defined(OS_WIN)
      75             :   // Closes the COM library on the current thread. CoInitialize must
      76             :   // be balanced by a corresponding call to CoUninitialize.
      77             :   CoUninitialize();
      78             : #endif
      79           0 : }
      80             : 
      81             : // static
      82             : MessageLoop*
      83          20 : BrowserProcessSubThread::GetMessageLoop(ID aId)
      84             : {
      85          40 :   StaticMutexAutoLock lock(sLock);
      86          20 :   DCHECK(aId >= 0 && aId < ID_COUNT);
      87             : 
      88          20 :   if (sBrowserThreads[aId])
      89          19 :     return sBrowserThreads[aId]->message_loop();
      90             : 
      91           1 :   return nullptr;
      92             : }
      93             : 
      94             : } // namespace ipc
      95             : } // namespace mozilla