oneheap.h

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// -*- C++ -*-

/*

  Heap Layers: An Extensible Memory Allocation Infrastructure
  
  Copyright (C) 2000-2003 by Emery Berger
  http://www.cs.umass.edu/~emery
  emery@cs.umass.edu
  
  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 2 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, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

*/

#ifndef _ONEHEAP_H_
#define _ONEHEAP_H_

//
// Wrap a single instance of a heap.
//

namespace HL {

template <class SuperHeap>
class OneHeap {
public:
  OneHeap (void)
  : theHeap (getHeap())
  {}
  
  inline void * malloc (const size_t sz) {
    return theHeap->malloc (sz);
  }
  inline void free (void * ptr) {
    theHeap->free (ptr);
  }
  inline int remove (void * ptr) {
    return theHeap->remove (ptr);
  }
  inline void clear (void) {
    theHeap->clear();
  }
  inline size_t getSize (void * ptr) {
    return theHeap->getSize (ptr);
  }

  enum { Alignment = SuperHeap::Alignment };

private:

  SuperHeap * theHeap;
  
  inline static SuperHeap * getHeap (void) {
    static SuperHeap theHeap;
    return &theHeap;
  }
//      SuperHeap theHeap;
};

}

#endif

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