scummvm/backends/mutex/sdl/sdl-mutex.cpp
2021-12-26 18:48:43 +01:00

49 lines
1.4 KiB
C++

/* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "common/scummsys.h"
#if defined(SDL_BACKEND)
#include "backends/mutex/sdl/sdl-mutex.h"
#include "backends/platform/sdl/sdl-sys.h"
/**
* SDL mutex manager
*/
class SdlMutexInternal final : public Common::MutexInternal {
public:
SdlMutexInternal() { _mutex = SDL_CreateMutex(); }
~SdlMutexInternal() override { SDL_DestroyMutex(_mutex); }
bool lock() override { return (SDL_mutexP(_mutex) == 0); }
bool unlock() override { return (SDL_mutexV(_mutex) == 0); }
private:
SDL_mutex *_mutex;
};
Common::MutexInternal *createSdlMutexInternal() {
return new SdlMutexInternal();
}
#endif