> size_t memrar_allocator_largest_free_area(struct memrar_allocator *allocator)
> {
> - if (allocator == NULL)
> - return 0;
> - return allocator->largest_free_area;
> + size_t tmp = 0;
> +
> + if (allocator != NULL) {
> + mutex_lock(&allocator->lock);
> + tmp = allocator->largest_free_area;
> + mutex_unlock(&allocator->lock);
This doesn't seem to make any sense (in either version). The moment you
drop the lock the value in "tmp" becomes stale as the allocator could
change it. ?
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