#ifndef GLTB_THREAD_H
#define GLTB_THREAD_H

#ifdef WIN32
#include <windows.h>
#else
#include <pthread.h>

#include <map>
#endif

#include "GLTB/referencedobject.h"
#include "GLTB/rwlock.h"

namespace gltb {
	/**
	* Interface for classes that want to to be run as threads. Thread instances
	* call the run method when starting the new thread.
	*/
	class Runnable {
	public:
		virtual ~Runnable() {};

		virtual void run() = 0;
	};


	/**
	 * Generic platform-independent interface for threads.
	 */
	class Thread : public ReferencedObject {
	private:
		Thread(Runnable *runnable);
	public:
		~Thread();

		void start();
		void run();
		void join();
		void kill(); //< kill this thread hard

		void assignToProcessor(int processor);

		unsigned int getUniqueID();

		static Thread *createThread(Runnable *runnable);

		static unsigned int getCurrentThreadUniqueID();

		static unsigned int getCurrentProcessor();

	protected:
		Runnable *runnable;

#ifdef WIN32
		HANDLE threadHandle;
		unsigned int threadID;

		static DWORD WINAPI runner(LPVOID thread);
#else
		pthread_t thread;
		unsigned int threadID;

		static void *runner(void *thread);

		static unsigned int threadIDCounter;
		static std::map<pthread_t, unsigned int> threadIDMap;
		static gltb::RefPtr<RWLock> threadIDMapLock;
#endif
	};
}

#endif