/usr/include/xbt/mmalloc.h is in libsimgrid-dev 3.18+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 | /* Copyright (c) 2010-2015. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
/* Copyright (C) 1991, 1992 Free Software Foundation, Inc.
This file was then part of the GNU C Library. */
#ifndef SIMGRID_MMALLOC_H
#define SIMGRID_MMALLOC_H 1
#include "src/internal_config.h"
#if HAVE_MMALLOC
# include <sys/types.h> /* for size_t */
# include <stdio.h> /* for NULL */
#include "xbt/dynar.h"
#include "xbt/dict.h"
SG_BEGIN_DECL()
/* Datatype representing a separate heap. The whole point of the mmalloc module is to allow several such heaps in the
* process. It thus works by redefining all the classical memory management functions (malloc and friends) with an
* extra first argument: the heap in which the memory is to be taken.
*
* The heap structure itself is an opaque object that shouldnt be messed with.
*/
typedef struct mdesc s_xbt_mheap_t;
typedef struct mdesc *xbt_mheap_t;
/* Allocate SIZE bytes of memory (and memset it to 0). */
XBT_PUBLIC( void ) *mmalloc(xbt_mheap_t md, size_t size);
/* Allocate SIZE bytes of memory (and don't mess with it) */
void *mmalloc_no_memset(xbt_mheap_t mdp, size_t size);
/* Re-allocate the previously allocated block in void*, making the new block SIZE bytes long. */
XBT_PUBLIC( void ) *mrealloc(xbt_mheap_t md, void *ptr, size_t size);
/* Free a block allocated by `mmalloc', `mrealloc' or `mcalloc'. */
XBT_PUBLIC( void ) mfree(xbt_mheap_t md, void *ptr);
XBT_PUBLIC( xbt_mheap_t ) xbt_mheap_new(int fd, void *baseaddr);
#define XBT_MHEAP_OPTION_MEMSET 1
XBT_PUBLIC( xbt_mheap_t ) xbt_mheap_new_options(int fd, void *baseaddr, int options);
XBT_PUBLIC( void ) xbt_mheap_destroy_no_free(xbt_mheap_t md);
XBT_PUBLIC( void ) *xbt_mheap_destroy(xbt_mheap_t md);
/* return the heap used when NULL is passed as first argument to any mm* function */
XBT_PUBLIC( xbt_mheap_t ) mmalloc_get_default_md(void);
/* To change the heap used when using the legacy version malloc/free/realloc and such */
xbt_mheap_t mmalloc_set_current_heap(xbt_mheap_t new_heap);
xbt_mheap_t mmalloc_get_current_heap(void);
size_t mmalloc_get_bytes_used(xbt_mheap_t);
ssize_t mmalloc_get_busy_size(xbt_mheap_t, void *ptr);
void* malloc_no_memset(size_t n);
SG_END_DECL()
#endif
#endif /* SIMGRID_MMALLOC_H */
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