#include <sys/stat.h>
#include <string.h>
#include "mmprivate.h"
-#include "xbt/ex.h"
-#include "xbt/xbt_modinter.h" /* declarations of mmalloc_preinit and friends that live here */
/* Initialize access to a mmalloc managed region.
so that users of the package don't have to worry about the actual
implementation details.
- On failure returns NULL. */
+ On failure, returns NULL. */
xbt_mheap_t xbt_mheap_new(void* baseaddr, int options)
{
}
}
-/* Initialize the default malloc descriptor. */
+/* Initialize the default malloc descriptor.
+ *
+ * There is no malloc_postexit() destroying the default mdp, because it would break ldl trying to free its memory
+ */
xbt_mheap_t mmalloc_preinit(void)
{
if (__mmalloc_default_mdp == NULL) {
- if(!xbt_pagesize)
- xbt_pagesize = getpagesize();
- unsigned long mask = ~((unsigned long)xbt_pagesize - 1);
+ if (!mmalloc_pagesize)
+ mmalloc_pagesize = getpagesize();
+ unsigned long mask = ~((unsigned long)mmalloc_pagesize - 1);
void *addr = (void*)(((unsigned long)sbrk(0) + HEAP_OFFSET) & mask);
__mmalloc_default_mdp = xbt_mheap_new(addr, XBT_MHEAP_OPTION_MEMSET);
// atfork mandated at least on FreeBSD, or simgrid-mc will fail to fork the verified app
int res = pthread_atfork(mmalloc_fork_prepare, mmalloc_fork_parent, mmalloc_fork_child);
- xbt_assert(res == 0, "pthread_atfork() failed: return value %d", res);
+ mmalloc_assert(res == 0, "pthread_atfork() failed: return value %d", res);
}
- xbt_assert(__mmalloc_default_mdp != NULL);
+ mmalloc_assert(__mmalloc_default_mdp != NULL, "__mmalloc_default_mdp cannot be NULL");
return __mmalloc_default_mdp;
}
-void mmalloc_postexit(void)
-{
- /* Do not destroy the default mdp or ldl won't be able to free the memory it
- * allocated since we're in memory */
- // xbt_mheap_destroy_no_free(__mmalloc_default_mdp)
-}
-
// This is the underlying implementation of mmalloc_get_bytes_used_remote.
// Is it used directly in order to evaluate the bytes used from a different
// process.
