From: Nobuyoshi Nakada <nobu.nokada@...>
Date: 2002-05-31T23:52:49+09:00
Subject: Re: Thread safe array

Hi,

At Fri, 31 May 2002 22:53:20 +0900,
Dossy wrote:
> Out of paranoia (and because I don't know how Mutex#lock is
> implemented) I might be inclined to do:
> 
> >   def method_missing(method, *args, &block)
> >     begin
> >       @mutex.lock
> >       @internalArray.send(method, *args, &block)
> >     ensure
> >       @mutex.unlock
> >     end
> >   end
> 
> Move the lock inside the begin/ensure/end block.  This way,
> you don't have a case where Mutex#lock fails throwing an
> exception but you still access the array.

  def method_missing(method, *args, &block)
    @mutex.synchronize do
      @internalArray.send(method, *args, &block)
    end
  end

-- 
Nobu Nakada