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116 lines
3.8 KiB
C++
116 lines
3.8 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* vim: sw=2 ts=8 et :
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*/
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Plugin App.
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*
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* The Initial Developer of the Original Code is
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* Ben Turner <bent.mozilla@gmail.com>.
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* Portions created by the Initial Developer are Copyright (C) 2009
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef mozilla_ipc_BrowserProcessSubThread_h
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#define mozilla_ipc_BrowserProcessSubThread_h
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#include "base/thread.h"
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#include "base/lock.h"
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#include "nsDebug.h"
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class NotificationService;
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namespace mozilla {
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namespace ipc {
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// Copied from browser_process_impl.cc, modified slightly.
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class BrowserProcessSubThread : public base::Thread
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{
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public:
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// An enumeration of the well-known threads.
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enum ID {
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IO,
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//FILE,
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//DB,
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//HISTORY,
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#if defined(OS_LINUX)
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// This thread has a second connection to the X server and is used
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// to process UI requests when routing the request to the UI
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// thread would risk deadlock.
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BACKGROUND_X11,
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#endif
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// This identifier does not represent a thread. Instead it counts
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// the number of well-known threads. Insert new well-known
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// threads before this identifier.
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ID_COUNT
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};
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explicit BrowserProcessSubThread(ID aId);
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~BrowserProcessSubThread();
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static MessageLoop* GetMessageLoop(ID identifier);
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protected:
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virtual void Init();
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virtual void CleanUp();
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private:
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// The identifier of this thread. Only one thread can exist with a given
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// identifier at a given time.
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ID mIdentifier;
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NotificationService* mNotificationService;
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// This lock protects |browser_threads_|. Do not read or modify that array
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// without holding this lock. Do not block while holding this lock.
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// FIXME/cjones: XPCOM doesn't like static vars, so can't use
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// mozilla::Mutex
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static Lock sLock;
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// An array of the ChromeThread objects. This array is protected by |lock_|.
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// The threads are not owned by this array. Typically, the threads are owned
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// on the UI thread by the g_browser_process object. ChromeThreads remove
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// themselves from this array upon destruction.
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static BrowserProcessSubThread* sBrowserThreads[ID_COUNT];
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};
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inline void AssertIOThread()
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{
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NS_ASSERTION(MessageLoop::TYPE_IO == MessageLoop::current()->type(),
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"should be on the IO thread!");
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}
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} // namespace ipc
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} // namespace mozilla
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#endif // mozilla_ipc_BrowserProcessSubThread_h
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