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Re: [Xen-devel] execve() in reboot.c ?

To: Ian Pratt <m+Ian.Pratt@xxxxxxxxxxxx>
Subject: Re: [Xen-devel] execve() in reboot.c ?
From: Philip R Auld <pauld@xxxxxxxxxxx>
Date: Mon, 25 Jul 2005 16:31:00 -0400
Cc: Jeremy Katz <katzj@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, Mark Williamson <mark.williamson@xxxxxxxxxxxx>, Vincent Hanquez <vincent.hanquez@xxxxxxxxxxxx>
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Rumor has it that on Mon, Jul 25, 2005 at 08:48:12PM +0100 Ian Pratt said:
> > > > How about simply reusing whatever signal is sent to init when 
> > > > ctrl-alt-del is pressed on PCs ?
> > > 
> > > SIGINT
> > > 
> > > That's not a good idea though, if somebody put nothing in the 
> > > ctrlaltdel action, then it's not going to do anything.
> > 
> > But isn't that exactly what we want ?   A userspace configurable
> > way to trigger a system reboot.
> I kind of like this approach, but it does mean that we can't distinguish
> between a poweroff and a reboot. Do we care?

yes, I think there's a difference... If I halt a guest I don't expect
it to reboot.

> As I recall, the current approach was copied from one of the other Linux
> architectures. 

Could these be new hotplug events? That would get them out to
userspace where they would presumably be configurable.



> Ian
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Philip R. Auld, Ph.D.                          Egenera, Inc.    
Software Architect                            165 Forest St.
(508) 858-2628                            Marlboro, MA 01752

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