C:/rwlock/baseline_lock.h

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/* ****************************************************************************
 * Owner:               Evgeniy Makeev
 * Created by:  Evgeniy Makeev
 *
 * An empty RW lock shell used to estimate the RW lock test overhead
 * ****************************************************************************
 */
#ifndef __BASELINE_LOCK_H_Included__
#define __BASELINE_LOCK_H_Included__ 

#include "atomic_util.h"
#include "system_abstraction.h"

/*---------------------------------*/
/* An empty lock impl for baseline */
/*---------------------------------*/

class BASELINERWLock
{
//
// Can be overwritten with a system specific yield thread
// or sleep implementation
//
        inline void yield()
        {
                thread_yield();
        }

public:
        static const char *name() { return "BASELINE_Lock"; }

//
// Must be called at the beginning of any read/data access.
//
        volatile void enter_read(void)
        {
        }

//
// Must be called at the end of any read/data access.
//
        volatile void leave_read(void)
        {
        }

        //
        // Must be called at the beginning of a write operation
        //
        volatile void enter_write(void)
        {
        }
                
        //
        // Must be called at the end of a write operation
        //
        volatile void leave_write(void)
        {
        }
};

#endif 

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