[erlang-questions] Status of kqueue on FreeBSD

Alex Arnon <>
Thu Apr 19 10:05:08 CEST 2007


Hi Rickard,

Is there also such problem on OpenBSD or NetBSD? Or can I safely use kqueue
on those platforms?
In any case, is there an alternative option?

Cheers,
Alex.


On 4/18/07, Rickard Green <> wrote:
>
> Oscar Hellström wrote:
> > Hi,
> >
> > I've understood that kqueue support is disabled on FreeBSD due to issues
> > with (at least) pipes. I've also forced Erlang to build with kqueue
> > support on FreeBSD and are experiencing weird behaviors.
> >
>
> Kqueue's EVFILT_READ didn't always trigger when writing on a pipe with
> writev (depending on the buffer sizes used) on FreeBSD.
>
> > I cannot find much on this issue on the web though, is this an ERTS
> > issue or a FreeBSD issue?
>
> FreeBSD
>
> > Is there work going on to solve it etc?
> >
>
> Not at OTP.
>
> > Best Regards
>
> BR,
> Rickard Green, Erlang/OTP, Ericsson AB:
>
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> 
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>
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