linux-kernel - Re: [malware-list] scanner interface proposal was: [TALPA] Intro to a linux interface for on access scanning

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Message-id: <48AABDBF.7090706@sun.com>
Date:	Tue, 19 Aug 2008 08:34:07 -0400
From:	David Collier-Brown <davecb@....com>
To:	unlisted-recipients:; (no To-header on input)
Cc:	linux-kernel <linux-kernel@...r.kernel.org>,
	linux-security-module@...r.kernel.org,
	malware-list@...ts.printk.net,
	malware-list-bounces@...sg.printk.net,
	Mihai Don??u <mdontu@...defender.com>,
	Peter Dolding <oiaohm@...il.com>, Pavel Machek <pavel@...e.cz>,
	rmeijer@...all.nl
Subject: Re: [malware-list] scanner interface proposal was: [TALPA] Intro to a
 linux interface for on access scanning

david@...g.hm wrote:
> if you want to be sure there are no race conditions at all in this there 
> would be a need for an 'atomic' (as relates to userspace) way to set an 
> xattr only if another one was set.

Hmmn, such code would rather resemble the O_CREAT|O_EXCL handling in open(2).

--dave
-- 
David Collier-Brown            | Always do right. This will gratify
Sun Microsystems, Toronto      | some people and astonish the rest
davecb@....com                 |                      -- Mark Twain
cell: (647) 833-9377, bridge: (877) 385-4099 code: 506 9191#
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