Multiple thread backends.

src/modules/thread/sdl/threads.h

@@ -0,0 +1,104 @@
+/**
+* Copyright (c) 2006-2011 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_PLATFORM_SDL_THREADS_H_
+#define LOVE_PLATFORM_SDL_THREADS_H_
+
+#include "SDL.h"
+
+namespace love
+{
+namespace thread
+{
+
+	class Mutex {
+	private:
+		SDL_mutex* mutex;
+		Mutex(const Mutex& mutex) {}
+
+		friend class Conditional;
+
+	public:
+		Mutex();
+		~Mutex();
+
+		 void lock();
+		 void unlock();
+	};
+
+
+
+	class ThreadBase {
+	private:
+		SDL_Thread* thread;
+		ThreadBase(ThreadBase& thread) {}
+		bool running;
+
+		static int thread_runner(void* param);
+
+	protected:
+
+		virtual void main() = 0;
+
+	public:
+		ThreadBase();
+		virtual ~ThreadBase();
+
+		bool start();
+		void wait();
+		void kill(); // FIXME: not supported by SDL (SDL's kill is probably cancel)?
+
+		static unsigned int threadId();
+	};
+
+	class Semaphore {
+	private:
+		Semaphore(const Semaphore& sem) {}
+		SDL_sem* semaphore;
+
+	public:
+		Semaphore(unsigned int initial_value);
+		~Semaphore();
+
+		unsigned int value();
+		void post();
+		bool wait(int timeout = -1);
+		bool tryWait();
+	};
+
+	// Should conditional inherit from mutex?
+	class Conditional {
+	private:
+		SDL_cond* cond;
+
+	public:
+		Conditional();
+		~Conditional();
+
+		void signal();
+		void broadcast();
+		bool wait(Mutex* mutex, int timeout=-1);
+	};
+
+} // namespace thread
+} // namespace love
+
+
+#endif // !LOVE_PLATFORM_SDL_THREADS_H_