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#ifndef RWLOCK_HEADER

#define RWLOCK_HEADER



/***************************************************************************

 *            rwlock.h

 *

 *  Sat Aug 24 23:53:44 2002

 *  Copyright  2002  Roman Dementiev

 *  dementiev@mpi-sb.mpg.de

 ****************************************************************************/





#include "utils.h"

#include <pthread.h>





namespace stxxl

{



	class RWLock

	{

		pthread_rwlock_t rwlock;

	      public:



		  RWLock ()

		{

			stxxl_nassert (pthread_rwlock_init (&rwlock, NULL));

		};

		 ~RWLock ()

		{

			stxxl_nassert (pthread_rwlock_destroy (&rwlock));

		};

		void rdlock ()

		{

			stxxl_nassert (pthread_rwlock_rdlock (&rwlock));

		};

		void wrlock ()

		{

			stxxl_nassert (pthread_rwlock_rdlock (&wrlock));

		};

		void unlock ()

		{

			stxxl_nassert (pthread_rwlock_unlock (&mutex));

		};

	};



}



#endif