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Date:	Thu, 26 May 2005 12:08:07 -0700 (PDT)
From:	Sunil <funtoos AT yahoo DOT com>
Subject:	Re: connect()/cygwin_select() hangs in >=1.5.15
To:	"Gerrit P. Haase" <gerrit AT familiehaase DOT de>
Cc:	cygwin AT cygwin DOT com
In-Reply-To:	6667
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this issue is not fixed in any later snapshots, not
even the just released 1.5.17.

can someone with the knowledge of cygwin socket code
comment on it please?

Thanks,
Sunil

--- "Gerrit P. Haase" <gerrit AT familiehaase DOT de> wrote:
> Sunil wrote:
> 
> > This piece of code hangs with cygwin1.dll >=1.5.15
> > during connect(), strace is attached. The same
> code
> > runs fine with cygwin1.dll version 1.5.13.
> > 
> > --------------------------------
> >  fd = socket (proto->family, 1,
> >        proto->stream_proto_num);
> > 
> >  if (fd < 0) {
> >   ;
> >   goto out;
> >  }
> > 
> >  if (options & LINK_CONNECTION_NONBLOCKING) {
> > # 553 "linc-connection.c"
> >   if (fcntl (fd, 4, 0x4000) < 0)
> >    goto out;
> > 
> >  }
> > 
> >  if (fcntl (fd, 2, 1) < 0)
> >   goto out;
> > 
> >  { long int __result; do __result = (long int)
> > (connect (fd, saddr, saddr_len)); while (__result
> ==
> > -1L && (*__errno()) == 4); rv = __result; };
> > # 596 "linc-connection.c"
> >  if (rv && (*__errno()) != 119)
> >   goto out;
> > 
> > ---------------------------
> > 
> > Similar problem with select() hang has been
> reported
> > earlier but nothing came out of it. I don't know
> if
> > its related. I am not sure why errno 119 is
> seen(see
> > panel.log) in this case, but that and the hang are
> the
> > common factors and strace looks similar.
> > 
> >
>
http://www.cygwin.com/ml/cygwin/2005-04/msg01331.html
> > 
> > Above code piece is taken from linc-connection.c
> in
> > the orbit2-2.12.2 package. This function is
> reached by
> > the gnome-panel and it hangs inside connect() as
> is
> > evident from the strace in panel.log and all I get
> is
> > a blank gnome-panel.
> > 
> > As I said, all I have to do to get it to work is
> to go
> > back to 1.5.13 snapshot. I am not sure what
> changed
> > between 1.5.13 and 1.5.15 to cause this.
> > 
> > Thanks for looking into it.
> > Sunil
> 
> There were some fixes regarding this, try a pre
> 1.5.17 snapshot,
> please.  I currently use the one from 2005-May-20
> and everything
> socket related where I encountered problems works ok
> with that.
>      http://cygwin.com/snapshots/
> 
> 
> Gerrit
> -- 
> =^..^=
> 
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