From: Brian Candler <B.Candler@...>
Date: 2007-05-01T16:55:52+09:00
Subject: Re: What's a Mutex and how do I use it?

On Tue, May 01, 2007 at 01:45:10PM +0900, web.dizign@gmail.com wrote:
> Mutex seems very powerful and something I could use eventually as I
> better my understanding of ruby. Thus far, I haven't found the
> documentation verbose enough for me to grasp the concept of it. Could
> anyone try their hand at writing a piece (or a reply) that would help
> totally demistify this thing called a Mutex? Maybe a simple use case
> scenario or maybe just 2 or 3 different ways of using it... that would
> be enough for me to understand. Thanks!

http://www.rubycentral.com/book/tut_threads.html

There's a section headed "Mutual Exclusion"