From: Pavel Machek <pavel@suse.cz>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Asynchronous CDROM Events in Userland
Date: Wed, 6 Feb 2002 14:22:59 +0000 [thread overview]
Message-ID: <20020206142259.A37@toy.ucw.cz> (raw)
In-Reply-To: <Pine.LNX.4.30.0202032333200.1158-100000@rtlab.med.cornell.edu> <a3l4uc@cesium.transmeta.com>
In-Reply-To: <a3l4uc@cesium.transmeta.com>; from hpa@zytor.com on Sun, Feb 03, 2002 at 09:07:24PM -0800
Hi!
> Rather than a signal, it should be a file descriptor of some sort, so
> one can select() etc on it. Personally I can't imagine polling would
> take any appreciable amount of resources, though.
It may not eat CPU but it will definitely eat memory... Because polling
means deamon that normally could be swapped out needs to stay in memory.
Pavel
--
Philips Velo 1: 1"x4"x8", 300gram, 60, 12MB, 40bogomips, linux, mutt,
details at http://atrey.karlin.mff.cuni.cz/~pavel/velo/index.html.
next prev parent reply other threads:[~2002-02-06 22:46 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-02-04 4:41 Calin A. Culianu
2002-02-04 5:07 ` H. Peter Anvin
2002-02-04 5:19 ` Calin A. Culianu
2002-02-04 12:43 ` john slee
2002-02-04 15:23 ` Calin A. Culianu
2002-02-04 16:20 ` H. Peter Anvin
2002-02-04 7:04 ` Erik Andersen
2002-02-04 7:57 ` Jens Axboe
2002-02-04 9:33 ` Gregor Jasny
2002-02-04 9:39 ` Jens Axboe
2002-02-04 12:16 ` Alan Cox
2002-02-04 20:51 ` oops booting 2.4.18-pre7-ac3 Todd M. Roy
2002-02-04 14:05 ` Asynchronous CDROM Events in Userland hugang
2002-02-05 7:43 ` Jens Axboe
2002-02-05 4:04 ` Stevie O
2002-02-05 4:28 ` H. Peter Anvin
2002-02-05 4:44 ` Calin A. Culianu
2002-02-05 4:47 ` H. Peter Anvin
[not found] ` <a3l4uc@cesium.transmeta.com>
2002-02-06 14:22 ` Pavel Machek [this message]
2002-02-06 22:48 ` H. Peter Anvin
2002-02-05 13:17 David Balazic
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