Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!ukma!xanth!nic.MR.NET!eta!rscott
From: rscott@eta.unix.ETA.COM (Rich Scott)
Newsgroups: comp.mail.elm
Subject: mailbox locking across multiple machines?
Keywords: elm, mail, lockf, fcntl
Message-ID: <2434@eta.unix.ETA.COM>
Date: 10 Feb 89 16:52:49 GMT
Distribution: na
Organization: ETA Systems Inc., St. Paul, Mn.
Lines: 19


	(I'm sure this has been addressed before, but here goes:)

	We have a situation on our network where we mount 
bigserver:/usr/spool/mail on all our workstations via NFS. While
using ELM2.1, I noticed that I could read my mail on my workstation,
and while leaving that session of elm going, I could run elm on
a different machine, to read new mail in my (the same) mailbox.
	Are there any patches/releases that use, say, lockf(3) or
fcntl(2) to lock /usr/spool/mail/username so that only one instance
of elm _on the network_ can read and modify it? Currently, elm only
does this right for two simultaneous sessions on the same machine.
Thanks ...

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rich scott (612) 642-8404 internet: rscott@unix.eta.com
eta systems, st. paul, mn     uucp: {amdahl,rutgers}!bungia!eta!rscott

"I've been on a calendar, but never on time" - Marilyn Monroe