+/* Copyright (c) 2012-2014. 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. */
+
#include "xbt/mmalloc.h"
#include "xbt.h"
#include <stdio.h>
xbt_init(&argc,argv);
XBT_INFO("Allocating a new heap");
- heapA = xbt_mheap_new(-1, ((char*)sbrk(0)) + BUFFSIZE);
+ unsigned long mask = ~((unsigned long)xbt_pagesize - 1);
+ void *addr = (void*)(((unsigned long)sbrk(0) + BUFFSIZE) & mask);
+ heapA = xbt_mheap_new(-1, addr);
if (heapA == NULL) {
perror("attach 1 failed");
fprintf(stderr, "bye\n");
}
XBT_INFO("All blocks were correctly allocated. Free every second block");
for (i = 0; i < TESTSIZE; i+=2) {
- size = size_of_block(i);
mfree(heapA,pointers[i]);
}
+ XBT_INFO("Memset every second block to zero (yeah, they are not currently allocated :)");
+ for (i = 0; i < TESTSIZE; i+=2) {
+ size = size_of_block(i);
+ memset(pointers[i],0, size);
+ }
XBT_INFO("Re-allocate every second block");
for (i = 0; i < TESTSIZE; i+=2) {
size = size_of_block(i);