#ifdef HAVE_MALLOC_H
#include <malloc.h>
#endif
+#ifdef HAVE_MALLOC_NP_H
+#include <malloc_np.h>
+#endif
#ifdef HAVE_MALLOC_MALLOC_H
#include <malloc/malloc.h>
#endif
static inline void mt_count_alloc(struct memtype *mt, size_t size, void *ptr)
{
+ size_t current;
size_t oldsize;
- atomic_fetch_add_explicit(&mt->n_alloc, 1, memory_order_relaxed);
+ current = 1 + atomic_fetch_add_explicit(&mt->n_alloc, 1,
+ memory_order_relaxed);
+
+ oldsize = atomic_load_explicit(&mt->n_max, memory_order_relaxed);
+ if (current > oldsize)
+ /* note that this may fail, but approximation is sufficient */
+ atomic_compare_exchange_weak_explicit(&mt->n_max, &oldsize,
+ current,
+ memory_order_relaxed,
+ memory_order_relaxed);
oldsize = atomic_load_explicit(&mt->size, memory_order_relaxed);
if (oldsize == 0)
#ifdef HAVE_MALLOC_USABLE_SIZE
size_t mallocsz = malloc_usable_size(ptr);
- atomic_fetch_add_explicit(&mt->total, mallocsz, memory_order_relaxed);
+ current = mallocsz + atomic_fetch_add_explicit(&mt->total, mallocsz,
+ memory_order_relaxed);
+ oldsize = atomic_load_explicit(&mt->max_size, memory_order_relaxed);
+ if (current > oldsize)
+ /* note that this may fail, but approximation is sufficient */
+ atomic_compare_exchange_weak_explicit(&mt->max_size, &oldsize,
+ current,
+ memory_order_relaxed,
+ memory_order_relaxed);
#endif
}