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selove / src / modules / thread / threads.h

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/**
* Copyright (c) 2006-2012 LOVE Development Team
*
* This software is provided 'as-is', without any express or implied
* warranty.  In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
*    claim that you wrote the original software. If you use this software
*    in a product, an acknowledgment in the product documentation would be
*    appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
*    misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
**/

#ifndef LOVE_THREAD_THREADS_H
#define LOVE_THREAD_THREADS_H

#include <common/config.h>

#define LOVE_THREADS_SDL	0
#define LOVE_THREADS_WIN32	1
#define LOVE_THREADS_POSIX	2

// Choose correct threads API.
// Headless love uses either windows threads or posix threads.
// Headed (standard) love uses SDL threads.
#ifdef LOVE_HEADLESS
#  ifdef WIN32
#    define LOVE_THREADS	LOVE_THREADS_WIN32
#  else
#    define LOVE_THREADS	LOVE_THREADS_POSIX
#  endif
#else
#  define LOVE_THREADS	LOVE_THREADS_SDL
#endif


// include the correct header
#if LOVE_THREADS == LOVE_THREADS_POSIX
#  include "posix/threads.h"
#elif LOVE_THREADS == LOVE_THREADS_WIN32
#  include "win32/threads.h"
#elif LOVE_THREADS == LOVE_THREADS_SDL
#  include "sdl/threads.h"
#endif


namespace love
{
namespace thread
{

	const char* threadAPI();

	class Lock
	{
	private:
		Mutex* mutex;

		Lock(Lock&/* lock*/) {}

	public:
		Lock(Mutex* m): mutex(m) {
			mutex->lock();
		}

		Lock(Mutex& m): mutex(&m) {
			mutex->lock();
		}

		~Lock() {
			mutex->unlock();
		}
	};

} // thread
} // love

#endif /* LOVE_THREAD_THREADS_H */