On Fri, Jul 19, 2013 at 08:52:22AM -0700, Matt Thomas wrote: > There is a reason for the difference. > > the atomic_{set,cler} are actually atomic. > > the atomicly use atomic operation but since they work word-by-word > they aren't truly atomic.
Ah, I see. Might be worth to mention this also in the manual page (if not done already). - Jukka.