Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Path: utzoo!mnetor!seismo!gatech!hao!ames!ptsfa!ihnp4!cbosgd!cwruecmp!hal!ncoast!tdi2!brandon
From: brandon@tdi2.UUCP (Brandon Allbery)
Newsgroups: comp.unix.wizards
Subject: Re: How are mailfiles locked under 4.n and System III/V?
Message-ID: <360@tdi2.UUCP>
Date: Sun, 24-May-87 23:44:24 EDT
Article-I.D.: tdi2.360
Posted: Sun May 24 23:44:24 1987
Date-Received: Tue, 26-May-87 02:11:01 EDT
References: <7384@boring.mcvax.cwi.nl> <962@xanth.UUCP>
Reply-To: brandon@tdi2.UUCP (Brandon Allbery)
Followup-To: comp.unix.wizards
Organization: Tridelta Industries, Inc., Mentor, Ohio
Lines: 19

Quoted from <962@xanth.UUCP> ["Re: How are mailfiles locked under 4.n and System III/V?"], by kyle@xanth.UUCP (kyle jones)...
+---------------
| In article <7384@boring.mcvax.cwi.nl>, jack@mcvax.cwi.nl (Jack Jansen) writes:
| > How do various unices lock mailfiles?
| 
| 4.2 BSD uses /usr/spool/mail/USERNAME.lock .  4.3 BSD uses flock(), which is
| nice now that flock() actually works.
+---------------

Just to round it out:  System III/V use the 4.2BSD method, except that since
mail is in /usr/mail/* rather than /usr/spool/mail/*, the name of the lockfile
is `/usr/mail/USERNAME.lock'.

++Brando
-- 
Brandon S. Allbery	           UUCP: cbatt!cwruecmp!ncoast!tdi2!brandon
Tridelta Industries, Inc.         CSNET: ncoast!allbery@Case
7350 Corporate Blvd.	       INTERNET: ncoast!allbery%Case.CSNET@relay.CS.NET
Mentor, Ohio 44060		  PHONE: +1 216 255 1080 (home +1 216 974 9210)