mutex_m.rb - 
    $Release Version: 3.0$
    $Revision: 1.7 $
    Original from mutex.rb
    by Keiju ISHITSUKA(keiju@ishitsuka.com)
    modified by matz
    patched by akira yamada

Usage:
    require "mutex_m.rb"
    obj = Object.new
    obj.extend Mutex_m
    ...
    extended object can be handled like Mutex
    or
    class Foo
      include Mutex_m
      ...
    end
    obj = Foo.new
    this obj can be handled like Mutex

Commenting is here to help enhance the documentation. For example, code samples, or clarification of the documentation.

If you have questions about Ruby or the documentation, please post to one of the Ruby mailing lists. You will get better, faster, help that way.

If you wish to post a correction of the docs, please do so, but also file bug report so that it can be corrected for the next release. Thank you.

If you want to help improve the Ruby documentation, please see Improve the docs, or visit Documenting-ruby.org.