xbt_init(&argc,argv);
XBT_INFO("Allocating a new heap");
- heapA = xbt_mheap_new(-1, ((char*)sbrk(0)) + BUFFSIZE);
+ unsigned long mask = ~((unsigned long)getpagesize() - 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");
for (i = 0; i < TESTSIZE; i++) {
size = size_of_block(i);
pointers[i] = mmalloc(heapA, size);
- XBT_INFO("%d bytes allocated with offset %tu", size, ((char*)pointers[i])-((char*)heapA));
+ XBT_INFO("%d bytes allocated with offset %tx", size, ((char*)pointers[i])-((char*)heapA));
}
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);