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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.
*
* $URL$
* $Id$
*
*/
#include "backends/platform/sdl/mutex.h"
SdlSubSys_Mutex::SdlSubSys_Mutex()
:
_inited(false),
_graphicsMutex(0) {
}
SdlSubSys_Mutex::~SdlSubSys_Mutex() {
if (_inited) {
mutexDone();
}
}
void SdlSubSys_Mutex::mutexInit() {
if (_inited) {
return;
}
_graphicsMutex = createMutex();
_inited = true;
}
void SdlSubSys_Mutex::mutexDone() {
deleteMutex(_graphicsMutex);
_inited = false;
}
bool SdlSubSys_Mutex::hasFeature(Feature f) {
return false;
}
void SdlSubSys_Mutex::setFeatureState(Feature f, bool enable) {
}
bool SdlSubSys_Mutex::getFeatureState(Feature f) {
return false;
}
OSystem::MutexRef SdlSubSys_Mutex::createMutex() {
return (MutexRef) SDL_CreateMutex();
}
void SdlSubSys_Mutex::lockMutex(MutexRef mutex) {
SDL_mutexP((SDL_mutex *) mutex);
}
void SdlSubSys_Mutex::unlockMutex(MutexRef mutex) {
SDL_mutexV((SDL_mutex *) mutex);
}
void SdlSubSys_Mutex::deleteMutex(MutexRef mutex) {
SDL_DestroyMutex((SDL_mutex *) mutex);
}
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