Function _mi_segment_map_freed_at

3rd/mimalloc-2.0.9/src/segment-cache.c:314–324

}

void _mi_segment_map_freed_at(const mi_segment_t* segment) {
  size_t bitidx;
  size_t index = mi_segment_map_index_of(segment, &bitidx);
  mi_assert_internal(index <= MI_SEGMENT_MAP_WSIZE);
  if (index == MI_SEGMENT_MAP_WSIZE) return;
  uintptr_t mask = mi_atomic_load_relaxed(&mi_segment_map[index]);
  uintptr_t newmask;
  do {
    newmask = (mask & ~((uintptr_t)1 << bitidx));
  } while (!mi_atomic_cas_weak_release(&mi_segment_map[index], &mask, newmask));
}

// Determine the segment belonging to a pointer or NULL if it is not in a valid segment.
static mi_segment_t* _mi_segment_of(const void* p) {