From: Ross Bamford <rosco@...>
Date: 2006-11-10T03:50:20+09:00
Subject: Re: Ruby and threads: a VTK example

On Thu, 09 Nov 2006 18:21:38 -0000, Aureliano Buendia <saveez@hotmail.com>  
wrote:

> Ross,
>
> Forget about vtk, put it this way. Save this in a script and run it by
> irb:
>
> i = 1
> while 1
> puts i
> end
>
> It doesn't allow you to add any more command lines unless the
> never-ending while-loop is over.

True.

> Wrapping this in a thread does not help it too:
>
> Thread.new{
> i = 1
> while 1
> puts i
> end
> }
>

Apart from the fact that the output makes it difficult to type, that works  
fine for me, with one small change - you need to declare 'i' before you  
start the thread - otherwise, it'll be local to the block you run in the  
thread. So try (rubified a bit):

i = 1

Thread.new { loop { puts i } }

You'll get lots of '1's printed out. If you just jump in and type 'i = 2'  
and hit return, the '1's become '2's. Does that not work for you?

-- 
Ross Bamford - rosco@roscopeco.remove.co.uk