From: Dave Thomas <Dave@...>
Date: 2001-05-19T18:27:13+09:00
Subject: [ruby-talk:15395] Re: PROPOSAL: Java-like method-based synchronization mechanism in Rub y

Wyss Clemens <WYS@helbling.ch> writes:

> class Module
>   def synchronized(*methods)
>     if methods.size() > 0 then
>       # we need a Mutex (-getter)
>       module_eval  <<-EOS
>       def __mutex__()
> 	if (@__mutex__.nil?()) then 
> 	  @__mutex__ = Mutex.new() 
> 	end

Is this thread safe, or could two different threads each generate
their own mutex?


> Note: �synchronized� is to be applied in the same manner as �attr_reader�,
> �attr_writer�, etc.

I wonder if it should be more like 'protected', 'private', and
'public'? That is, it can apply to a list of methods, or to all
subsequent methods.


Dave