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From: Rob Browning <rlb@cs.utexas.edu>
Cc: ding@gnus.org
Subject: Re: "Fixing up" gnus - (how hard is this?). (was Re: (provide 'nnmaildir))
Date: 18 Oct 2000 15:07:15 -0500	[thread overview]
Message-ID: <87g0lt9amk.fsf@raven.localnet> (raw)
In-Reply-To: prj@po.cwru.edu's message of "18 Oct 2000 11:13:24 -0400"

prj@po.cwru.edu (Paul Jarc) writes:

> nnmaildir's been doing that since the 2000-09-03 release. :)  But use
> rename(), not link()/unlink(), for appropriate atomicity.  It's not so
> critical when there are no concurrent readers, but it still saves you
> a system call.  I haven't checked the Emacs sources, but I'm assuming
> (rename-file) uses rename() when ok-if-already-exists is non-nil.

Well the tricks I know of were designed to make sure you DTRT (as much
as possible anyway), even in the case where the files are on NFS
mounted volumes, but I don't know if you want to worry about that, and
it's possible that rename handles that already...

> Hmm... nnmaildir's state files are non-Lisp text, parsed manually.
> I suppose (read)ing Lisp expressions would probably be faster,
> though.  I hadn't thought of that.

Might be a lot easier for you to handle code-wise too.

-- 
Rob Browning <rlb@cs.utexas.edu> PGP=E80E0D04F521A094 532B97F5D64E3930



  reply	other threads:[~2000-10-18 20:07 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2000-10-17 16:00 Rob Browning
2000-10-17 20:29 ` "Fixing up" gnus - (how hard is this?) Paul Jarc
2000-10-17 22:53   ` Rob Browning
2000-10-17 20:51 ` "Fixing up" gnus - (how hard is this?). (was Re: (provide 'nnmaildir)) Simon Josefsson
2000-10-17 22:32   ` Rob Browning
2000-10-18 15:13     ` Paul Jarc
2000-10-18 20:07       ` Rob Browning [this message]
2000-10-18 20:29         ` Paul Jarc
2000-10-19  0:20           ` Rob Browning
2000-10-19 16:05             ` Paul Jarc
2000-10-19 23:29               ` Rob Browning
2000-10-20  0:03                 ` Paul Jarc
2000-10-20  9:21               ` Kai Großjohann
2000-10-20 15:27                 ` Paul Jarc
2000-10-20 21:08                   ` Kai Großjohann
2000-10-20 21:17                     ` Paul Jarc
2000-10-20 21:45                       ` Kai Großjohann

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