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From: gz@eddie.MIT.EDU (Gail Zacharias)
Newsgroups: comp.unix.xenix
Subject: locking mail files
Message-ID: <7168@eddie.MIT.EDU>
Date: Wed, 14-Oct-87 17:53:49 EDT
Article-I.D.: eddie.7168
Posted: Wed Oct 14 17:53:49 1987
Date-Received: Fri, 16-Oct-87 04:53:25 EDT
Organization: MIT EE/CS Computer Facility, Cambridge, MA
Lines: 11


I'm trying to write a program which needs to modify a user's mail file,
and hence need to get exclusive access to it for a short time.  I know
that on BSD systems I've used, one could create a file called foo.lock
to get a lock on foo's mail file.  This doesn't seem to work on the Xenix
system (I was able to get mail delivered while a .lock file existed).  Is
there an equivalent protocol that Xenix mail/uucp obey?  I'm using
SCO Xenix if it matters.


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