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PsnThreadMemoryManager.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 PsnThreadMemoryManagerHEADER
#define PsnThreadMemoryManagerHEADER

#include "PsnMemoryManager.h"
#include <pthread.h>

class PsnMemoryElementDescriptor ;
class PsnThreadMemoryManager : public PsnMemoryManager
{
public:
   virtual ~PsnThreadMemoryManager() ;


   PsnThreadMemoryManager ( void *startDsm, 
                            size_t sizeDsm, 
                            PsnMemoryManager & rawMemoryProvider,
                            PsnMemoryManager & descriptorMemoryProvider) ;

   virtual void * allocateSizeRemembered (size_t size) ;

   virtual void freeSizeRemembered ( void * ptr) ;

   virtual void mfreeSizeRememberedOtherThread ( void * ptr) ;

   virtual bool inAdressSpace(void * ptr) const ; 

   static void freeLeakedMemoryBlocks () ;

protected:
   static list <void *> & getListOfDetachedMemoryBlocks () ;

   static list <pair <void *, PsnThreadMemoryManager *> > & getListOfLeakedMemoryBlocks () ;

   static PsnMutexLock & getFreedMemoryBlocksMutex() ;

   static PsnMutexLock & getLeakedMemoryBlocksMutex() ;

   virtual void * getFromFree ( size_t size );

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

   PsnMemoryManager & _rawMemoryProvider ;

   PsnMemoryManager & _descriptorMemoryProvider ;

   PsnMemoryElementDescriptor * _freeMemoryZones ;

   PsnMemoryElementDescriptor * _managedMemoryZones ;

   pthread_t _user ;
   
};

#endif

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