[Mesa-dev] [PATCH] util/atomic: Add p_atomic_add_return for the unlocked path

[Ilia Mirkin]

Reviewed-by: Ilia Mirkin <imirkin at alum.mit.edu>

On Thu, Dec 5, 2019 at 12:51 PM Jason Ekstrand <jason at jlekstrand.net> wrote:
>
> Fixes: 385d13f26d2 "util/atomic: Add a _return variant of p_atomic_add"
> ---
>  src/util/u_atomic.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/src/util/u_atomic.h b/src/util/u_atomic.h
> index 45e8e2e0188..9cbc6dd1eaa 100644
> --- a/src/util/u_atomic.h
> +++ b/src/util/u_atomic.h
> @@ -92,7 +92,7 @@
>  #define p_atomic_add(_v, _i) ((void) p_atomic_add_return((_v), (_i))
>  #define p_atomic_inc_return(_v) (++(*(_v)))
>  #define p_atomic_dec_return(_v) (--(*(_v)))
> -#define p_atomic_add(_v, _i) (*(_v) = *(_v) + (_i))
> +#define p_atomic_add_return(_v, _i) (*(_v) = *(_v) + (_i))
>  #define p_atomic_cmpxchg(_v, _old, _new) (*(_v) == (_old) ? (*(_v) = (_new), (_old)) : *(_v))
>
>  #endif
> --
> 2.23.0
>
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