linux-kernel - Re: tty: add 'active' sysfs attribute to tty0 and console device

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Date:	Wed, 17 Nov 2010 11:31:39 -0500
From:	"John Stoffel" <john@...ffel.org>
To:	Lennart Poettering <mzxreary@...inter.de>
Cc:	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Kay Sievers <kay.sievers@...y.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Greg KH <greg@...ah.com>, Werner Fink <werner@...e.de>,
	Jiri Slaby <jslaby@...e.cz>
Subject: Re: tty: add 'active' sysfs attribute to tty0 and console device

>>>>> "Lennart" == Lennart Poettering <mzxreary@...inter.de> writes:

Lennart> When two users A and B are logged in, on tty1 resp. tty2,
Lennart> then as long as tty1 is active user A should get access to
Lennart> the sound card, usb key, .... As soon as we switch to tty2
Lennart> user B should.

Hmm, it's an interesting idea, and I run into this myself when my son
logs into my desktop as himself and wants to hear sound.

But I wonder how do you handle the case where there are multiple seats
(KVM+S) on one system?  Do you have a mapping table?  

John
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