Date: Wed, 26 Jun 1996 14:13:45 -0500 From: Alex Nash <alex@fa.tdktca.com> To: Nate Williams <nate@trout.mt.sri.com> Cc: current@FreeBSD.org Subject: Re: socketpair bug? Message-ID: <31D18BE9.4BF61CB5@fa.tdktca.com> References: <199606261645.KAA25194@trout.mt.sri.com>
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Nate Williams wrote:
>
> Path: helena.MT.net!news.sprintlink.net!news-stk-11.sprintlink.net!guitar.sound.net!winternet.com!uunet!in2.uu.net!EU.net!news.eunet.fi!news.spb.su!satisfy.kia
> From: boris@macsimum.gamma.ru (Boris Lavrinovich)
> Newsgroups: comp.unix.bsd.freebsd.misc
> Subject: Re: socketpair() in 2.2-960612-SNAP
> Date: Wed, 26 Jun 1996 00:52:30 +0300
> Organization: Macsimum, Ltd
> Lines: 37
> Message-ID: <boris-2606960052300001@boris.macsimum.gamma.ru>
> NNTP-Posting-Host: boris.macsimum.gamma.ru
>
> In article <4qc13h$12i@helena.MT.net>, "Nate Williams"
> <nate@sneezy.sri.com> wrote:
>
> > In article <kurzaev-2106960147180001@boris.macsimum.gamma.ru>,
> > Boris Lavrinovich <kurzaev@macsimum.gamma.ru> wrote:
> > >I installed 2.2-960612-SNAP and discovered that socketpair() system call
> > >returns "File exists" error in my programs. I used Linux before and
> > >suppose that there should be /dev/unix device but there is no such device.
> >
> > Why should there be a /dev/unix device?
> >
> > >Should I set any options in kernel to make it work? I did not find any.
> >
> > It should work fine now. What does your code look like? I suspect you
> > are using some sort of non-portable Linuxism (is that a word?) that doesn't
> > exist on FreeBSD.
>
> Oh, I have found where the problem is. socketpair() actually succeeded but
> returned the value of first descriptor in pair instead of 0. This is
> strange because it does not conform to man page (I am not sure wheither it
> comforms to POSIX too).
>
> So the code that tests return value not to be equal -1 will work, but code
> that tests return value to be equal 0 won't. This is nor a big problem for
> me, but I suppose it should be fixed.
We also have a PR that covers this, 731.
http://www.freebsd.org/cgi-bin/query-pr.cgi?pr=731
Alex
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