Re: git: af93fea71038 - main - timerfd: Move implementation from linux compat to sys/kern

From: Dmitry Chagin <dchagin_at_freebsd.org>
Date: Mon, 04 Sep 2023 20:51:56 UTC
On Mon, Aug 28, 2023 at 10:19:26AM -0600, Warner Losh wrote:
> Added cc for Jake
> 
> On Mon, Aug 28, 2023 at 6:17 AM Alexey Dokuchaev <danfe@freebsd.org> wrote:
> 
> > On Thu, Aug 24, 2023 at 08:29:48PM +0000, Warner Losh wrote:
> > > commit af93fea710385b2b11f0cabd377e7ed6f3d97c34
> > >
> > >   timerfd: Move implementation from linux compat to sys/kern
> > >
> > >   Move the timerfd impelemntation from linux compat code to sys/kern.
> >
> > Could you quickly summarize why we need these linuxish bits in FreeBSD?
> > We've lived for years without it.  Had expected to find the rationale
> > in DR but alas. :(  Thanks,
> >
> 
> I'll let Jake answer this and
> 
> > glibc misc/tst-timerfd test fails now under Linux emulation
> 
> I think his new review https://reviews.freebsd.org/D41600 addresses this
> issue maybe
>

Unfortunatelly, no. misc/tst-timerfd failed due to read() is not blocked
(w/o TFD_NONBLOCK flag) on non-fired timerfd