X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/5fa8d6780a107eb5ae1ff8a233b0dd23cb065f8a..f9e6853d2c5b7b867211700bc12f0ee57f640b30:/src/xbt/mmalloc/mmorecore.c

diff --git a/src/xbt/mmalloc/mmorecore.c b/src/xbt/mmalloc/mmorecore.c
index c5d3524a41..014b8b81c2 100644
--- a/src/xbt/mmalloc/mmorecore.c
+++ b/src/xbt/mmalloc/mmorecore.c
@@ -3,7 +3,8 @@
 
    Contributed by Fred Fish at Cygnus Support.   fnf@cygnus.com */
 
-/* Copyright (c) 2010-2012. The SimGrid Team. All rights reserved.          */
+/* 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. */
@@ -18,18 +19,12 @@
 #include <stdio.h>
 #include <fcntl.h>
 #include <sys/mman.h>
+#include <sys/wait.h>
 
 #include "mmprivate.h"
 
-/* Cache the pagesize for the current host machine.  Note that if the host
-   does not readily provide a getpagesize() function, we need to emulate it
-   elsewhere, not clutter up this file with lots of kluges to try to figure
-   it out. */
-
-static size_t pagesize;
-
-#define PAGE_ALIGN(addr) (void*) (((long)(addr) + pagesize - 1) & \
-                                  ~(pagesize - 1))
+#define PAGE_ALIGN(addr) (void*) (((long)(addr) + xbt_pagesize - 1) &   \
+                                  ~((long)xbt_pagesize - 1))
 
 /* Return MAP_PRIVATE if MDP represents /dev/zero.  Otherwise, return
    MAP_SHARED.  */
@@ -53,7 +48,7 @@ static size_t pagesize;
 
     It never returns NULL. Instead, it dies verbosely on errors. */
 
-void *mmorecore(struct mdesc *mdp, int size)
+void *mmorecore(struct mdesc *mdp, ssize_t size)
 {
   ssize_t test = 0;
   void *result; // please keep it uninitialized to track issues
@@ -64,8 +59,6 @@ void *mmorecore(struct mdesc *mdp, int size)
   char buf = 0;                 /* Single byte to write to extend mapped file */
 
 //  fprintf(stderr,"increase %p by %u\n",mdp,size);
-  if (pagesize == 0)
-    pagesize = getpagesize();
 
   if (size == 0) {
     /* Just return the current "break" value. */