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PsnNew.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 PsnNewHEADER
#define PsnNewHEADER

#include <new>
#include <pthread.h>

#include "PsName.h"

class PsnMemoryManager ;
class PsnSharedMemoryManager ;
class PsnSystemMemoryManager ;

class HeapStackTop {
public:
   HeapStackTop(PsnMemoryManager * newTop);

   virtual ~HeapStackTop();
 
   static pthread_key_t globalMemoryManagerKey;

   static pthread_key_t initialiseGlobalMemoryManagerKey() ;

   static pthread_key_t initialiseFreedKey() ;

   static PsnSystemMemoryManager * getSystemMemoryManager() ;

   void * operator new(size_t);

   /* redefine deallocation for fast allocation - deallocation cycles */
   void operator delete(void*, size_t);
protected:
   static pthread_key_t freedKey;

   friend class PsController ;

   void * _oldMemoryManager;
};   

#ifndef _SGI
void *operator new (size_t) throw (bad_alloc);
void *operator new[] (size_t) throw (bad_alloc);
void operator delete (void *) throw();
void operator delete[] (void *) throw();
void *operator new (size_t, const nothrow_t&) throw();
void *operator new[] (size_t, const nothrow_t&) throw();
void operator delete (void *, const nothrow_t&) throw();
void operator delete[] (void *, const nothrow_t&) throw();
#endif

#endif

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