Quoth Chris G on Monday, 09 August 2010: > On Mon, Aug 09, 2010 at 02:23:17PM -0700, Chip Camden wrote: > > Quoth Chris G on Monday, 09 August 2010: > > > On Mon, Aug 09, 2010 at 09:20:05PM +0100, Chris G wrote: > > > [snip my mutt/mbox/NFS issues] > > > > > > Can someone clarify something for me please, ignore NFS and assume I'm > > > running mutt and the mail delivery agent on the same system on a local > > > hard disk. > > > > > > If I open my inbox with mutt and leave it displaying the index of the > > > inbox on the screen what should happen when a new message is delivered > > > to the inbox? > > > > > > Should it:- > > > > > > 1 - Not get delivered because mutt has the inbox locked and the > > > delivery agent can't open it for writing. > > > > > > 2 - Be delivered and appear correctly to mutt as a new message > > > added at the bottom of the index listing with an 'N' beside it. > > > > > > 3 - Be delivered but cause mutt to complain "Mailbox was > > > externally modified. Flags may be wrong." > > > > > > 4 - Something else. > > > > > > What I'm getting is 3 above which seems wrong to me, I suspect it is > > > the underlying problem for my NFS issue, I just get a different error > > > when viewing the mbox via NFS. > > > > > > > I get (2), but only after keyboard input or the input timeout occurs. > > Version 1.4.2.3i on FreeBSD. > > > Aha, thanks. That prompted me to go and try without my python > delivery script (by using mutt to look at another user's inbox) and, > as you say, it does 2 above. It even does 2 above when the inbox is > mounted by NFS. > > So my problem is down to my python delivery script which, although > it's using the 'proper' python classes for mail obviously isn't > behaving itself properly. > > How does one tell what locking method(s) is/are being used by mutt? > This is on an Ubuntu 9.10 system running mutt 1.5.20. Doing 'mutt -v' > returns "..... +USE_DOTLOCK +DL_STANDALONE +USE_FCNTL > -USE_FLOCK....", does another process *have* to use dotlock and fcntl > locking or could it use just fcntl? > > -- > Chris Green
I use a Ruby script to add mail to mbox files, and all I do is a regular File.open in "a" mode, without any special locking. But I'm on FreeBSD, on a UFS filesystem. -- Sterling (Chip) Camden | sterl...@camdensoftware.com | 2048D/3A978E4F http://camdensoftware.com | http://chipstips.com | http://chipsquips.com
pgpBESSweX7iS.pgp
Description: PGP signature
