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X-HELO: calimero.vinschen.de
Date: Tue, 10 Feb 2015 22:06:53 +0100
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: /dev/tty does not work from shell
Message-ID: <20150210210653.GB7818@calimero.vinschen.de>
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References: <54DA411E DOT 3040700 AT redhat DOT com> <20150210190451 DOT CC914740 DOT helmut DOT karlowski AT ish DOT de> <20150210193142 DOT 16499318 DOT helmut DOT karlowski AT ish DOT de>
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Please, https://cygwin.com/acronyms/#PCYMTNQREAIYR

On Feb 10 19:31, Helmut Karlowski wrote:
> Helmut Karlowski <...> wrote:
> > Eric Blake <...> wrote:
> > > On 02/10/2015 09:46 AM, Helmut Karlowski wrote:
> > > >> The same test from the command line:
> > > >>
> > > >> $ stat -c %i /dev/tty - 0>/dev/tty
> > > >> 327680
> > > >> 8912896
> > > >>
> > > >> use any other (already-existing) file to see that the two numbers =
should
> > > >> normally be the same.
> > > >=20
> > > > Don't know why, but cygwin is not the only OS that does that. I'd=
=20
> > > > suggest to check for terminal or something.
> > >=20
> > > Umm, what other OS changes the inode from what you called stat() on to
> >=20
> > Well, I tested again and found that the inode only changes when I do=20
> > this in bash:
> >=20
> > ksh:
> > 675|/home/root}stat -c %i /tmp/tty - 0>/tmp/tty
> > 835940
> > 835940
> > 676|/home/root}bash
> > root AT IRAC root # stat -c %i /dev/tty - 0>/dev/tty
> > 713246
> > 80052544
>=20
> Ok, messed up the test. For /dev/tty it's the same for both shells and
> both OS. I looked it up in MiNT, and found ino is an internal pointer=20
> with no meaning to the outside.
>=20
> If it's legal to look up the inode of a device, then both OS should be
> fixed I think.

I applied a patch to Cygwin.  Please give the latest snapshots a try:
https://cygwin.com/snapshots/


Thanks,
Corinna

--=20
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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