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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#ifndef BACKENDS_MUTEX_NULL_H
#define BACKENDS_MUTEX_NULL_H
#include "backends/mutex/mutex.h"
/**
* Null mutex manager
*/
class NullMutexManager : MutexManager {
public:
virtual OSystem::MutexRef createMutex() { return OSystem::MutexRef(); }
virtual void lockMutex(OSystem::MutexRef mutex) {}
virtual void unlockMutex(OSystem::MutexRef mutex) {}
virtual void deleteMutex(OSystem::MutexRef mutex) {}
};
#endif
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