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Date: Wed, 16 Apr 2008 15:04:12 -0700
From: "smr xxxx" <smrxxxx AT gmail DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: Tail not reading to end of input
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Thanks very much Eric and Corinna for the responses -- glad to hear
it's already fixed.

On Wed, Apr 16, 2008 at 6:13 AM, Corinna Vinschen
<corinna-cygwin AT cygwin DOT com> wrote:
> On Apr 16 14:49, Corinna Vinschen wrote:
> > On Apr 16 06:23, Eric Blake wrote:
> > > According to smr xxxx on 4/14/2008 11:56 AM:
> > > | Hi, I've just rebuilt my machine and done a clean install of the
> > > | latest Cygwin, and am having a problem with tail.  I'm wanting to know
> > > | whether this is a known issue before digging deeper.
> > >
> > > Not known to me, but I (thankfully) don't use Vista.
> >
> > I can reproduce this problem on Windows 2008.  Pipes created by cmd on
> > Vista/2008 are for some reason not recognized as pipes when using Cygwin
> > 1.5.25-11.  This problem does not occur with the upcoming Cygwin 1.7.0
> > so it's fixed in CVS, apparently.
>
> The reason is that starting with Windows Vista/2008, anonymous pipes
> don't have a filename attached to them, so that the call to
> NtQueryObject in handle_to_fn fails with STATUS_OBJECT_PATH_INVALID.
> This is handled gracefully for pipes in CVS, but not yet in 1.5.25-11.
>
>
>
> Corinna
>
> --
> Corinna Vinschen                  Please, send mails regarding Cygwin to
> Cygwin Project Co-Leader          cygwin AT cygwin DOT com
> Red Hat
>
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