XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_memory, mc,
"Logging specific to MC (memory)");
-/* Pointers to each of the heap regions to use */
-xbt_mheap_t std_heap = NULL; /* memory erased each time the MC stuff rollbacks to the beginning. Almost everything goes here */
-xbt_mheap_t mc_heap = NULL; /* memory persistent over the MC rollbacks. Only MC stuff should go there */
-
/* Initialize the model-checker memory subsystem */
/* It creates the two heap regions: std_heap and mc_heap */
void MC_memory_init()
if (!malloc_use_mmalloc()) {
xbt_die("Model-checking support is not enabled: run with simgrid-mc.");
}
-
- /* Create the first region HEAP_OFFSET bytes after the heap break address */
- std_heap = mmalloc_get_default_md();
- xbt_assert(std_heap != NULL);
-
- /* Create the second region a page after the first one ends + safety gap */
- mc_heap =
- xbt_mheap_new_options(-1,
- (char *) (std_heap) + STD_HEAP_SIZE + xbt_pagesize,
- 0);
- xbt_assert(mc_heap != NULL);
}
/* Finalize the memory subsystem */
#include "xbt_modinter.h"
void MC_memory_exit(void)
{
- if (mc_heap && mc_heap != std_heap)
- xbt_mheap_destroy(mc_heap);
}
}