Merge branch 'master' into mc

[simgrid.git] / src / xbt / mmalloc / mmalloc.c

diff --git a/src/xbt/mmalloc/mmalloc.c b/src/xbt/mmalloc/mmalloc.c
index 42845de..72ca5a0 100644 (file)
--- a/src/xbt/mmalloc/mmalloc.c
+++ b/src/xbt/mmalloc/mmalloc.c
@@ -1,15 +1,16 @@
-/* Memory allocator `malloc'.
-   Copyright 1990, 1991, 1992 Free Software Foundation
+/* Memory allocator `malloc'. */
 
-   Written May 1989 by Mike Haertel.
-   Heavily modified Mar 1992 by Fred Fish for mmap'd version. */
-
-/* Copyright (c) 2010. The SimGrid Team.
+/* Copyright (c) 2010-2014. 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 1990, 1991, 1992 Free Software Foundation
+
+   Written May 1989 by Mike Haertel.
+   Heavily modified Mar 1992 by Fred Fish for mmap'd version. */
+
 #include <string.h>             /* Prototypes for memcpy, memmove, memset, etc */
 #include <stdio.h>
 #include "mmprivate.h"
@@ -117,13 +118,13 @@ static void *register_morecore(struct mdesc *mdp, size_t size)
 
     /* mark the space previously occupied by the block info as free by first marking it
      * as occupied in the regular way, and then freing it */
-    for (it=0; it<BLOCKIFY(mdp->heapsize * sizeof(malloc_info)); it++)
+    for (it=0; it<BLOCKIFY(mdp->heapsize * sizeof(malloc_info)); it++){
       newinfo[BLOCK(oldinfo)+it].type = 0;
+      newinfo[BLOCK(oldinfo)+it].busy_block.ignore = 0;
+    }
 
     newinfo[BLOCK(oldinfo)].busy_block.size = BLOCKIFY(mdp->heapsize * sizeof(malloc_info));
     newinfo[BLOCK(oldinfo)].busy_block.busy_size = size;
-    newinfo[BLOCK(oldinfo)].busy_block.ignore = 0;
-    //newinfo[BLOCK(oldinfo)].busy_block.bt_size = 0;// FIXME setup the backtrace
     mfree(mdp, (void *) oldinfo);
     mdp->heapsize = newsize;
   }
@@ -136,8 +137,9 @@ static void *register_morecore(struct mdesc *mdp, size_t size)
 /* Allocate memory from the heap.  */
 void *mmalloc(xbt_mheap_t mdp, size_t size) {
   void *res= mmalloc_no_memset(mdp,size);
-//  fprintf(stderr,"malloc(%zu)~>%p\n",size,res);
-  memset(res,0,size);
+  if (mdp->options & XBT_MHEAP_OPTION_MEMSET) {
+    memset(res,0,size);
+  }
   return res;
 }
 /* Spliting mmalloc this way is mandated by a trick in mrealloc, that gives