mmalloc.h

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/* @(#)root/clib:$Id: mmalloc.h 20882 2007-11-19 11:31:26Z rdm $ */
/* Author: */

/*************************************************************************
 * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers.               *
 * All rights reserved.                                                  *
 *                                                                       *
 * For the licensing terms see $ROOTSYS/LICENSE.                         *
 * For the list of contributors see $ROOTSYS/README/CREDITS.             *
 *************************************************************************/

#ifndef MMALLOC_H
#define MMALLOC_H 1

/*  FIXME:  If <stddef.h> doesn't exist, you'll need to do something
            to define size_t before including this file.  Like upgrading
            to a system with an ANSI C environment. */

#include "mmconfig.h"

#ifdef WIN32
#  include <windows.h>
#endif

#ifdef R__HAVE_STDDEF_H
#  include <stddef.h>
#endif

#define PTR                 void *
#define PARAMS(paramlist)   paramlist

#ifdef WIN32
   /* problem with VC++ 6.0 if extern "C". It does not like the return type */
   extern struct mstats mmstats PARAMS ((PTR));
#endif

#ifdef  __cplusplus
extern "C" {
#endif

/* Allocate SIZE bytes of memory.  */

extern PTR mmalloc PARAMS ((PTR, size_t));

/* Re-allocate the previously allocated block in PTR, making the new block
   SIZE bytes long.  */

extern PTR mrealloc PARAMS ((PTR, PTR, size_t));

/* Allocate NMEMB elements of SIZE bytes each, all initialized to 0.  */

extern PTR mcalloc PARAMS ((PTR, size_t, size_t));

/* Free a block allocated by `mmalloc', `mrealloc' or `mcalloc'.  */

extern void mfree PARAMS ((PTR, PTR));

/* Allocate SIZE bytes allocated to ALIGNMENT bytes.  */

extern PTR mmemalign PARAMS ((PTR, size_t, size_t));

/* Allocate SIZE bytes on a page boundary.  */

extern PTR mvalloc PARAMS ((PTR, size_t));

/* Activate a standard collection of debugging hooks.  */

extern int mmcheck PARAMS ((PTR, void (*) (void)));

/* Pick up the current statistics. (see FIXME elsewhere) */
#ifndef WIN32
   extern struct mstats mmstats PARAMS ((PTR));
#endif

#ifndef WIN32
   extern PTR mmalloc_attach PARAMS ((int, PTR, int));
#else
   extern PTR mmalloc_attach PARAMS ((HANDLE, PTR, int));
#endif

extern PTR mmalloc_detach PARAMS ((PTR));

extern int mmalloc_update_mapping PARAMS ((PTR));

extern int mmalloc_setkey PARAMS ((PTR, int, PTR));

extern PTR mmalloc_getkey PARAMS ((PTR, int));

extern int mmtrace PARAMS ((void));

#ifdef  __cplusplus
}
#endif

#endif  /* MMALLOC_H */

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