Path: utzoo!attcan!utgpu!watmath!att!tut.cis.ohio-state.edu!gem.mps.ohio-state.edu!apple!ames!haven!adm!smoke!gwyn
From: gwyn@smoke.BRL.MIL (Doug Gwyn)
Newsgroups: comp.unix.wizards
Subject: Re: How do I detect who and when A file gets accessed ?
Message-ID: <11129@smoke.BRL.MIL>
Date: 21 Sep 89 21:17:37 GMT
References: <NIEH.89Sep21095615@nnn.crd.ge.com> <3322@solo10.cs.vu.nl>
Reply-To: gwyn@brl.arpa (Doug Gwyn)
Organization: Ballistic Research Lab (BRL), APG, MD.
Lines: 6

In article <3322@solo10.cs.vu.nl> maart@cs.vu.nl (Maarten Litmaath) writes:
>One problem: to prevent race conditions when updating the user register,
>you have to use some locking mechanism.

Not if it is opened in append mode and a log entry is done with a single,
small write.