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List:       hurd-bug
Subject:    Re: GNUstep - check for reuse address
From:       Svante Signell <svante.signell () gmail ! com>
Date:       2016-01-08 20:59:56
Message-ID: 1452286796.2888.38.camel () gmail ! com
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On Fri, 2016-01-08 at 16:43 +0100, Samuel Thibault wrote:
> Pino Toscano, on Fri 08 Jan 2016 16:40:08 +0100, wrote:
> > In data venerd́ 8 gennaio 2016 13:34:46, Samuel Thibault ha
> > scritto:
> > > Svante Signell, on Fri 08 Jan 2016 13:27:49 +0100, wrote:
> > > > > Depends on how the test is made. SO_REUSEADDR is defined in
> > > > > bits/socket.h but
> > > > > is
> > > > > not functional (yet).
> > > > 
> > > > To clarify; For pflocal. For pfinet it should work.
> > > 
> > > Ok.  It seems to be accepted for local sockets on Linux, but it
> > > doesn't
> > > do anything.  I don't see what it would be supposed to mean
> > > anyway, so
> > > gnustep should really not be using that for local sockets.
> > 
> > IIRC it should unlink the existing socket path before trying to
> > bind the
> > unix socket to the specified path -- otherwise you'd get
> > EADDRINUSE.
> 
> Yes. And SO_REUSEADDR won't help there :)

Samuel, this is exactly what the SO_REUSEADDR in pflocal should do:
Unlink the old socket and create a new one with the same name. (I
wonder how GNU/Linux is implementing this?)

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