From mboxrd@z Thu Jan  1 00:00:00 1970
To: 9fans@cse.psu.edu
From: "Thomas Bushnell, BSG" <tb+usenet@becket.net>
Message-ID: <87sncv6yh8.fsf@becket.becket.net>
Content-Type: text/plain; charset=us-ascii
References: <20011007162401.77DEE1998A@mail.cse.psu.edu>
Subject: Re: [9fans] mv vs cp
Date: Mon,  8 Oct 2001 09:42:10 +0000
Topicbox-Message-UUID: 015c6614-eaca-11e9-9e20-41e7f4b1d025

jmk@plan9.bell-labs.com writes:

> As Dave points out, there are a lot of balls in the air during
> an atomic 'rename'. 4.2BSD introduced the 'rename' system call,
> and as an alpha/beta tester for 4.1[abc] and 4.2BSD I can testify
> to how long it took to get it right and how much ugly code was
> involved.

Color me confused, but isn't it a jillion times harder to get it right
in user space?