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PsnLatencySyncedSharedMemoryManager.h

Go to the documentation of this file.

/*
 * This file is part of openMask © INRIA, CNRS, Universite de Rennes 1 1993-2002, thereinafter the Software
 * 
 * The Software has been developped within the Siames Project. 
 * INRIA, the University of Rennes 1 and CNRS jointly hold intellectual property rights
 * 
 * The Software has been registered with the Agence pour la Protection des
 * Programmes (APP) under registration number IDDN.FR.001.510008.00.S.P.2001.000.41200
 *
 * This file may be distributed under the terms of the Q Public License
 * version 1.0 as defined by Trolltech AS of Norway and appearing in the file
 * LICENSE.QPL included in the packaging of this file.
 *
 * Licensees holding valid specific licenses issued by INRIA, CNRS or Université de Rennes 1 
 * for the software may use this file in accordance with that specific license 
 *
 */
#ifndef PsnLatencySyncedSharedMemoryManagerHEADER
#define PsnLatencySyncedSharedMemoryManagerHEADER

#include <PsnSecondarySharedMemoryManager.h>
class PsnLatencySyncedSharedMemoryManager : public PsnSecondarySharedMemoryManager {
public: 
   PsnLatencySyncedSharedMemoryManager(size_t sizeDsm, size_t pageSize, size_t alignedSize, PsnRelaxedMemoryManager & memoryManager, int queueSize, const int & latency) ;
   virtual ~PsnLatencySyncedSharedMemoryManager();

   virtual void sync () ;
   
   virtual void * getFromFree(size_t size) ;

   virtual void addInFree(void * ptr, size_t size) ;

protected:
   const int _latency ;

   PsnMemoryElementDescriptor * _freeMem ;
   
   size_t _sizeLeft ;

};

#endif

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