dummyManagedMemory.h

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/*   rambrain - a dynamical physical memory extender
 *   Copyright (C) 2015 M. Imgrund, A. Arth
 *   mimgrund (at) mpifr-bonn.mpg.de
 *   arth (at) usm.uni-muenchen.de
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef DUMMYMANAGEDMEMORY_H
#define DUMMYMANAGEDMEMORY_H

#include "managedMemory.h"
#include "managedDummySwap.h"
#include "exceptions.h"

namespace rambrain
{
class managedDummySwapContainer
{
protected:
    managedDummySwap mswap;
public:
    managedDummySwapContainer() : mswap ( 0 ) {}
    virtual ~managedDummySwapContainer() {}
};




class dummyManagedMemory : private managedDummySwapContainer , public managedMemory
{
public:
    dummyManagedMemory () : managedDummySwapContainer () , managedMemory ( &mswap, 0 ) {}
    virtual ~dummyManagedMemory() {}

protected:
    inline virtual swapErrorCode swapOut ( global_bytesize ) {
        rambrain_pthread_mutex_unlock ( &managedMemory::stateChangeMutex );
        Throw ( memoryException ( "No memory manager in place." ) );
        return ERR_SUCCESS;
    }
    inline virtual bool swapIn ( managedMemoryChunk & ) {
        rambrain_pthread_mutex_unlock ( &managedMemory::stateChangeMutex );
        Throw ( memoryException ( "No memory manager in place." ) );
        return ERR_SUCCESS;
    }
    inline virtual bool touch ( managedMemoryChunk & ) {
        rambrain_pthread_mutex_unlock ( &managedMemory::stateChangeMutex );
        Throw ( memoryException ( "No memory manager in place." ) );
        return ERR_SUCCESS;
    }
    inline virtual void untouch ( managedMemoryChunk & ) {
        rambrain_pthread_mutex_unlock ( &managedMemory::stateChangeMutex );
        Throw ( memoryException ( "No memory manager in place." ) );
        return;
    }
    inline virtual void schedulerRegister ( managedMemoryChunk & ) {
        rambrain_pthread_mutex_unlock ( &managedMemory::stateChangeMutex );
        Throw ( memoryException ( "No memory manager in place." ) );
    }
    inline virtual void schedulerDelete ( managedMemoryChunk & ) {
        rambrain_pthread_mutex_unlock ( &managedMemory::stateChangeMutex );
        Throw ( memoryException ( "No memory manager in place." ) );
    }

};

}

#endif // DUMMYMANAGEDMEMORY_H