Reviewed-by: Marek Olšák
Marek
On Fri, Nov 3, 2017 at 9:09 PM, Nicolai Hähnle wrote:
> From: Nicolai Hähnle
>
> The closest to it in the old-style gcc builtins is __sync_lock_test_and_set,
> however, that is only guaranteed to work with values 0 and 1 and only
> provides an acquire barrier. I
From: Nicolai Hähnle
The closest to it in the old-style gcc builtins is __sync_lock_test_and_set,
however, that is only guaranteed to work with values 0 and 1 and only
provides an acquire barrier. I also don't know about other OSes, so we
provide a simple & stupid emulation via p_atomic_cmpxchg.
