X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/4c04d8355923f8323a1a3195fe3b73ac08b984ea..f703e5eea34c57dbfcda1f9c6d2e8ac3f1512062:/include/xbt/mmalloc.h

diff --git a/include/xbt/mmalloc.h b/include/xbt/mmalloc.h
index f813b78016..c259bf6d2e 100644
--- a/include/xbt/mmalloc.h
+++ b/include/xbt/mmalloc.h
@@ -1,71 +1,78 @@
+/* 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
 
 #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.  */
+#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_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, xbt_dynar_t equals);
 
-/* 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);
+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);
 
+int is_free_area(void *area, xbt_mheap_t heap);
 
+size_t mmalloc_get_chunks_used(xbt_mheap_t);
 
-#endif  /* MMALLOC_H */
+#endif                          /* MMALLOC_H */