On Mon, Nov 16, 2020 at 02:54:17PM -0500, Willem de Bruijn wrote: > > You could also add a compile assert to check that the flag is reserved. > > Like this? > > /* Check the EPOLL_* constant for consistency. */ > BUILD_BUG_ON(EPOLL_CLOEXEC != O_CLOEXEC); > + BUILD_BUG_ON(EPOLL_NSTIMEO & EPOLL_RESERVED_FLAGS); i think you got the sense of that test wrong. but yes.
