+/* Copyright (C) 1991, 1992 Free Software Foundation, Inc.
+ This file was then part of the GNU C Library. */
+
+/* Copyright (c) 2010-2012. 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. */
+
+
#ifndef MMALLOC_H
#define MMALLOC_H 1
# include <sys/types.h> /* for size_t */
# include <stdio.h> /* for NULL */
#endif
-//#include "./include/ansidecl.h"
-/* Allocate SIZE bytes of memory. */
+#include "xbt/dynar.h"
-extern void *mmalloc(void *md, size_t size);
+/* 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 *xbt_mheap_t;
-/* Re-allocate the previously allocated block in void*, making the new block
- SIZE bytes long. */
+/* Allocate SIZE bytes of memory (and memset it to 0). */
+XBT_PUBLIC( void ) *mmalloc(xbt_mheap_t md, size_t size);
-extern void *mrealloc(void *md, void *ptr, 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 NMEMB elements of SIZE bytes each, all initialized to 0. */
-
-extern void *mcalloc(void *md, size_t nmemb, 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'. */
-
-extern void mfree(void *md, void *ptr);
+XBT_PUBLIC( void ) mfree(xbt_mheap_t md, void *ptr);
/* Allocate SIZE bytes allocated to ALIGNMENT bytes. */
-
-extern void *mmemalign(void *md, size_t alignment, size_t size);
+XBT_PUBLIC( void ) *mmemalign(xbt_mheap_t md, size_t alignment, size_t size);
/* Allocate SIZE bytes on a page boundary. */
+XBT_PUBLIC( void ) *mvalloc(xbt_mheap_t md, size_t size);
-extern void *mvalloc(void *md, size_t size);
+XBT_PUBLIC( xbt_mheap_t ) xbt_mheap_new(int fd, void *baseaddr);
-/* Activate a standard collection of debugging hooks. */
+XBT_PUBLIC( void ) xbt_mheap_destroy_no_free(xbt_mheap_t md);
-extern int mmcheck(void *md, void (*func) (void));
-
-extern int mmcheckf(void *md, void (*func) (void), int force);
-
-/* Pick up the current statistics. (see FIXME elsewhere) */
-
-extern struct mstats mmstats(void *md);
-
-extern void *mmalloc_attach(int fd, void *baseaddr);
-
-extern void mmalloc_pre_detach(void *md);
-
-extern void *mmalloc_detach(void *md);
-
-extern int mmalloc_setkey(void *md, int keynum, void *key);
-
-extern void *mmalloc_getkey(void *md, int keynum);
-
-// FIXME: this function is not implemented anymore?
-//extern int mmalloc_errno (void* 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 */
-extern void *mmalloc_get_default_md(void);
+XBT_PUBLIC( xbt_mheap_t ) mmalloc_get_default_md(void);
-extern int mmtrace(void);
+/* To change the heap used when using the legacy version malloc/free/realloc and such */
+void mmalloc_set_current_heap(xbt_mheap_t new_heap);
+xbt_mheap_t mmalloc_get_current_heap(void);
-extern void *mmalloc_findbase(int size);
+int mmalloc_compare_heap(xbt_mheap_t heap1, xbt_mheap_t heap2, xbt_dynar_t *stacks1, xbt_dynar_t *stacks2, xbt_dynar_t *equals);
+int mmalloc_linear_compare_heap(xbt_mheap_t heap1, xbt_mheap_t heap2);
+void init_heap_information(xbt_mheap_t heap1, xbt_mheap_t heap2);
+void match_equals(xbt_dynar_t list, xbt_dynar_t *equals);
+int compare_area(void *area1, void* area2, xbt_dynar_t previous);
-extern int mmalloc_compare_heap(void *h1, void *h2, void *std_heap_addr);
+void mmalloc_backtrace_block_display(void* heapinfo, int block);
+void mmalloc_backtrace_fragment_display(void* heapinfo, int block, int frag);
+void mmalloc_backtrace_display(void *addr);
-extern void mmalloc_display_info_heap(void *h);
+int is_free_area(void *area, xbt_mheap_t heap);
-/* To change the heap used when using the legacy version malloc/free/realloc and such */
-void mmalloc_set_current_heap(void *new_heap);
-void *mmalloc_get_current_heap(void);
+size_t mmalloc_get_chunks_used(xbt_mheap_t);
