--- /dev/null
+/* External interface to a mmap'd malloc managed region. */
+
+/* Copyright (c) 2012-2022. 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 1992, 2000 Free Software Foundation, Inc.
+
+ Contributed by Fred Fish at Cygnus Support. fnf@cygnus.com
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If
+ not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include "mmprivate.h"
+#include <fcntl.h> /* After sys/types.h, at least for dpx/2. */
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+// This is the underlying implementation of mmalloc_get_bytes_used_remote.
+// Is it used directly to evaluate the bytes used from a different process.
+size_t mmalloc_get_bytes_used_remote(size_t heaplimit, const malloc_info* heapinfo)
+{
+ int bytes = 0;
+ for (size_t i = 0; i < heaplimit; ++i) {
+ if (heapinfo[i].type == MMALLOC_TYPE_UNFRAGMENTED) {
+ if (heapinfo[i].busy_block.busy_size > 0)
+ bytes += heapinfo[i].busy_block.busy_size;
+ } else if (heapinfo[i].type > 0) {
+ for (size_t j = 0; j < (size_t)(BLOCKSIZE >> heapinfo[i].type); j++) {
+ if (heapinfo[i].busy_frag.frag_size[j] > 0)
+ bytes += heapinfo[i].busy_frag.frag_size[j];
+ }
+ }
+ }
+ return bytes;
+}
+
+__attribute__((weak)) xbt_mheap_t mmalloc_get_current_heap(void)
+{
+ fprintf(stderr, "Fake mmalloc_get_current_heap()\n");
+ return NULL;
+}
\ No newline at end of file
