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Date: Fri, 20 Apr 2001 19:01:28 +0200
From: Pavel Machek <pavel@suse.cz>
To: John Fremlin <chief@bandits.org>, Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: "Grover, Andrew" <andrew.grover@intel.com>,
        "Acpi-PM (E-mail)" <linux-power@phobos.fachschaften.tu-muenchen.de>,
        "'Pavel Machek'" <pavel@suse.cz>,
        Simon Richter <Simon.Richter@phobos.fachschaften.tu-muenchen.de>,
        Andreas Ferber <aferber@techfak.uni-bielefeld.de>,
        linux-kernel@vger.kernel.org
Subject: Re: Let init know user wants to shutdown
In-Reply-To: <E14pgBe-0003gg-00@the-village.bc.nu> <m2k84jkm1j.fsf@boreas.yi.org.>
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Hi!

> [...]
> 
> > I would tend to agree here. If you want to wire it to init the fine
> > but pm is basically message passing kernel->user and possibly
> > message reply to allow veto/approve. APM provides a good API for
> > this and there is a definite incentive to make ACPI use the same
> > messages, behaviour and extend it.
> 
> I'm wondering if that veto business is really needed. Why not reject
> *all* APM rejectable events, and then let the userspace event handler
> send the system to sleep or turn it off? Anybody au fait with the APM
> spec?

My thinkpad actually started blinking with some LED when you pressed
the button. LED went off when you rejected or when sleep was
completed. So you would loose visual indication of "system is now
going to sleep". But I guess that is very little loose for the loose
of complexity.
								Pavel
-- 
I'm pavel@ucw.cz. "In my country we have almost anarchy and I don't care."
Panos Katsaloulis describing me w.r.t. patents at discuss@linmodems.org
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