Re: [PATCH] rv: Allow epoll in rtapp-sleep monitor

[Nam Cao]

Gabriele Monaco <gmonaco@xxxxxxxxxx> writes:

> On Tue, 2026-03-31 at 12:49 +0200, Nam Cao wrote:
>> Since commit 0c43094f8cc9 ("eventpoll: Replace rwlock with spinlock"),
>> epoll_wait is real-time-safe syscall for sleeping.
>> 
>> Add epoll_wait to the list of rt-safe sleeping APIs.
>> 
>> Signed-off-by: Nam Cao <namcao@xxxxxxxxxxxxx>
>
> Thanks for the patch, looks reasonable.
> I tried re-generating the header (sleep.h) with rvgen based on the new
> specification and I'm getting a different order.
>
> Is what you're committing the result of rvgen on your computer?
> We probably still have some unpredictable result in the rvgen's output if that's
> the case (no big deal then, though it triggers me a bit).

Right, fixing this is in my list. The script uses set and set's order is
not deterministic. You get different (but equivalent) results every
time. I should start working on that..

> I would still like to run some tests on this, how urgently would you like this
> patch through? I was really about to send Steve a PR with the other changes so
> this might need to wait for the next merge window.

The earlier the better, but no one will die because it misses a merge
window.

Nam