orkinHeap.h - mozsearch

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-  */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef _ORKINHEAP_

#define _ORKINHEAP_ 1

#ifndef _MDB_

#  include "mdb.h"

#endif

#ifndef _MORK_

#  include "mork.h"

#endif

// 456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789

#define orkinHeap_kTag 0x68456150 /* ascii 'hEaP' */

/*| orkinHeap:

|*/

class orkinHeap : public nsIMdbHeap {  //

 protected:

  size_t mUsedSize;

 public:

  orkinHeap();           // does nothing

  virtual ~orkinHeap();  // does nothing

 private:  // copying is not allowed

  orkinHeap(const orkinHeap& other);

  orkinHeap& operator=(const orkinHeap& other);

 public:

  // { ===== begin nsIMdbHeap methods =====

  NS_IMETHOD Alloc(nsIMdbEnv* ev,     // allocate a piece of memory

                   mdb_size inSize,   // requested size of new memory block

                   void** outBlock);  // memory block of inSize bytes, or nil

  NS_IMETHOD Free(nsIMdbEnv* ev,  // free block allocated earlier by Alloc()

                  void* inBlock);

  virtual size_t GetUsedSize();

  // } ===== end nsIMdbHeap methods =====

};

// 456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789

#endif /* _ORKINHEAP_ */