linux-kernel - Re: [PATCH 4/6] lguest don't signal like crazy, use LHREQ

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Message-ID: <20070605153455.GW11115@waste.org>
Date:	Tue, 5 Jun 2007 10:34:55 -0500
From:	Matt Mackall <mpm@...enic.com>
To:	Rusty Russell <rusty@...tcorp.com.au>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	lkml - Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: [PATCH 4/6] lguest don't signal like crazy, use LHREQ_BREAK command

On Wed, Jun 06, 2007 at 01:00:06AM +1000, Rusty Russell wrote:
> We currently use a "waker" process: a child of the launcher which
> selects() on the incoming file descriptors.  It sends a SIGUSR1 to the
> launcher whenever select() returns to kick the launcher out of the
> kernel.

If I break out of lguest with three ctrl-Cs, this leaves one of the
lguest processes running with /dev/lguest held open.

-- 
Mathematics is the supreme nostalgia of our time.
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