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Date: Fri, 13 Jul 2001 14:34:26 -0500
From: Taral <taral@taral.net>
To: "Albert D. Cahalan" <acahalan@cs.uml.edu>
Cc: linux-kernel@vger.kernel.org
Subject: Re: tty->name conversion?
Message-ID: <20010713143426.B7873@taral.net>
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On Fri, Jul 13, 2001 at 01:43:16PM -0400, Albert D. Cahalan wrote:
> Taral writes:
>=20
> > I noticed that ps still relies on device numbers to determine tty, since
> > /proc/*/stat only exports the device number. Is there any way to get the
> > device name? I noticed that it is not present in tty_struct anywhere
> > (proc_pid_stat() uses task->tty->device, which is a kdev_t).
> >
> > This would be useful to consider if we ever intend to create real
> > unnumbered character/block devices.
>=20
> This isn't quite true, at least for the version shipped with Debian.

<snip>

Thanks for your reply. It still remains, however, that for processes
that you do not own, it has to guess, viz:

  319 taral    vc/1     S    Jul12 -zsh
  320 root     tty2     S    Jul12 /sbin/getty 38400 vc/2

Notice that the getty is listed as tty2, even though it opened
/dev/vc/2.

--=20
Taral <taral@taral.net>
This message is digitally signed. Please PGP encrypt mail to me.
"Any technology, no matter how primitive, is magic to those who don't
understand it." -- Florence Ambrose

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