Re: [PATCH 03/11] include: add lock-less reference counting primitives

[Neal H. Walfield]

At Mon, 12 May 2014 12:05:41 +0200,
Justus Winter wrote:
> +/* Decrement REF.  Return the result of the operation.  This function
> +   uses atomic operations.  It is not required to serialize calls to
> +   this function.  */
> +static inline unsigned int
> +refcount_deref (refcount_t *ref)
> +{
> +  return __atomic_sub_fetch (ref, 1, __ATOMIC_RELAXED);
> +}

How about adding assert(*ref >= 0)?

:) Neal