To: Tomi Ollila <tomi.ollila@iki.fi>, Jani Nikula <jani@nikula.org>,
	Austin Clements <amdragon@MIT.EDU>, Aaron Ecay <aaronecay@gmail.com>
Subject: Re: [PATCH] emacs: call "notmuch tag" only once when archiving a
	thread
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	<m2hb09kj0m.fsf@gmail.com> <87fwftao1b.fsf@nikula.org>
	<m262glk82m.fsf@gmail.com> <20120109011259.GD20796@mit.edu>
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	Emacs/24.0.92.1 (x86_64-pc-linux-gnu)
From: David Edmondson <dme@dme.org>
Date: Mon, 09 Jan 2012 10:46:28 +0000
Message-ID: <cun4nw5886z.fsf@hotblack-desiato.hh.sledj.net>
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On Mon, 09 Jan 2012 12:38:58 +0200, Tomi Ollila <tomi.ollila@iki.fi> wrote:
> > The downside is that there's still a race condition: you could get new
> > messages between checking the number of messages in the thread and
> > tagging. The window for error would be much smaller than now, but it's
> > still there. (You could check afterwards if this happened, and notify
> > the user, "oooops, I just tagged N messages more than you intended"...)
>=20
> And this could also be "false alarm" if the the new messages arrived
> after tagging but before checking...

Or another process could change the tags, meaning that the number stayed
the same but the set changed.

(Wheeee....)

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