+/* 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 MMALLOC_H
#define MMALLOC_H 1
+#include <simgrid_config.h>
+#ifdef HAVE_MMALLOC
+
#ifdef HAVE_STDDEF_H
# include <stddef.h>
#else
-# include <sys/types.h> /* for size_t */
-# include <stdio.h> /* for NULL */
+# include <sys/types.h> /* for size_t */
+# include <stdio.h> /* for NULL */
#endif
-//#include "./include/ansidecl.h"
-
-/* Allocate SIZE bytes of memory. */
-
-extern void* mmalloc(void* md, size_t size);
-
-/* Re-allocate the previously allocated block in void*, making the new block
- SIZE bytes long. */
-
-extern void* mrealloc(void* md, void* ptr, size_t size);
-/* Allocate NMEMB elements of SIZE bytes each, all initialized to 0. */
+#include "xbt/dynar.h"
+#include "xbt/dict.h"
+#include "src/mc/mc_forward.h"
-extern void* mcalloc (void* md, size_t nmemb, size_t size);
-
-/* Free a block allocated by `mmalloc', `mrealloc' or `mcalloc'. */
+SG_BEGIN_DECL()
-extern void mfree (void* md, void* ptr);
+/* 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 allocated to ALIGNMENT bytes. */
+/* Allocate SIZE bytes of memory (and memset it to 0). */
+XBT_PUBLIC( void ) *mmalloc(xbt_mheap_t md, size_t size);
-extern void* mmemalign (void* md, size_t alignment, 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);
-/* Allocate SIZE bytes on a page boundary. */
+/* Re-allocate the previously allocated block in void*, making the new block
+ SIZE bytes long. */
-extern void* mvalloc (void* md, size_t size);
+XBT_PUBLIC( void ) *mrealloc(xbt_mheap_t md, void *ptr, size_t size);
-/* Activate a standard collection of debugging hooks. */
+/* Free a block allocated by `mmalloc', `mrealloc' or `mcalloc'. */
+XBT_PUBLIC( void ) mfree(xbt_mheap_t md, void *ptr);
-extern int mmcheck (void* md, void (*func) (void));
+XBT_PUBLIC( xbt_mheap_t ) xbt_mheap_new(int fd, void *baseaddr);
-extern int mmcheckf (void* md, void (*func) (void), int force);
+#define XBT_MHEAP_OPTION_MEMSET 1
-/* Pick up the current statistics. (see FIXME elsewhere) */
+XBT_PUBLIC( xbt_mheap_t ) xbt_mheap_new_options(int fd, void *baseaddr, int options);
-extern struct mstats mmstats (void* md);
+XBT_PUBLIC( void ) xbt_mheap_destroy_no_free(xbt_mheap_t md);
-extern void* mmalloc_attach (int fd, void* baseaddr);
+XBT_PUBLIC( void ) *xbt_mheap_destroy(xbt_mheap_t md);
-extern void* mmalloc_detach (void* 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);
-extern int mmalloc_setkey (void* md, int keynum, void* key);
+/* 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);
-extern void* mmalloc_getkey (void* md, int keynum);
+int mmalloc_compare_heap(mc_snapshot_t snapshot1, mc_snapshot_t snapshot2);
+int mmalloc_linear_compare_heap(xbt_mheap_t heap1, xbt_mheap_t heap2);
+int init_heap_information(xbt_mheap_t heap1, xbt_mheap_t heap2, xbt_dynar_t to_ignore1, xbt_dynar_t to_ignore2);
+int compare_heap_area(int process_index, const void *area1, const void* area2, mc_snapshot_t snapshot1, mc_snapshot_t snapshot2, xbt_dynar_t previous, mc_type_t type, int pointer_level);
+void reset_heap_information(void);
-// FIXME: this function is not implemented anymore?
-//extern int mmalloc_errno (void* md);
+size_t mmalloc_get_bytes_used(xbt_mheap_t);
+ssize_t mmalloc_get_busy_size(xbt_mheap_t, void *ptr);
-extern int mmtrace(void);
+void* malloc_no_memset(size_t n);
-extern void* mmalloc_findbase(int size);
+SG_END_DECL()
-#endif /* MMALLOC_H */
+#endif
+#endif /* MMALLOC_H */