/*******************************************************************************
 * Copyright (c) 2006 International Business Machines Corporation.             *
 * All rights reserved. This program and the accompanying materials            *
 * are made available under the terms of the Common Public License v1.0        *
 * which accompanies this distribution, and is available at                    *
 * http://www.opensource.org/licenses/cpl1.0.php                               *
 *                                                                             *
 * Contributors:                                                               *
 *    Douglas M. Pase - initial API and implementation                         *
 *    Tim Besard - prefetching, JIT compilation                                *
 *******************************************************************************/

//
// Configuration
//

// Include guard
#if !defined(THREAD_H)
#define THREAD_H

// System includes
#include <pthread.h>

// Local includes
#include "lock.h"


//
// Class definition
//

class Thread {
public:
	Thread();

	virtual int run() = 0;

	int start();
	int wait();
	int thread_count() {
		return Thread::count;
	}
	int thread_id() {
		return id;
	}

	static void exit();

protected:
	~Thread();
	void lock();
	void unlock();
	static void global_lock();
	static void global_unlock();

private:
	static void* start_routine(void *);
	static Lock _global_lock;

	Lock object_lock;

	pthread_t thread;

	static int count;
	int id;
	int lock_obj;
};

#endif