Subject: bug#8496: some file locking code in insert-file-contents cannot be right

From: Eli Zaretskii <[email-masked]>
Date: Thu, 14 Apr 2011 04:07:38 -0400

> Date: Thu, 14 Apr 2011 00:53:17 -0700
> From: Paul Eggert <[email-masked]>
> CC: [email-masked]
> 
> On 04/13/2011 11:48 PM, Eli Zaretskii wrote:
> > What platforms use CLASH_DETECTION?
> 
> According to the .h files,
> pretty much all the POSIXish platforms do it
> (GNU/Linux, BSD, MacOS, AIX, etc.)
> and it's also done on Cygwin.

That's what I thought.  I guess that pretty much excludes the
possibility that this went undetected because no one uses it.