From: Andre' <andre_NOSPAM@...>
Date: 2004-08-12T21:21:16+09:00
Subject: Re: Thread takeover

I think I found out the problem. I'm using Win32, and I was using the  
DJGPP compilation of Ruby. In the MINGW compilation, it works smooth.  
Haven't tested it on Linux, though... but it should work.

Andr�

Em Wed, 11 Aug 2004 11:32:03 -0300, Andre' <andre_NOSPAM@syspoint.com.br>  
escreveu:

> Strangely, I'm having the problem that one thread is taking over the  
> whole process.
>
> Imagine this main file:
>
> Thread.new {
>          class Main
>                  def initialize
>                          while true
>                                  print 1
>                          end
>                  end
>          end
>          m = Main.new
> }
> Thread.new {
>          require 'p.rb'
>          m = Main.new
> }
> while true; end
>
> It has two threads: one is printing 1 all the time in the screen. I have  
> a second - external - that is exactly like the first, but it prints 2.  
> The 'p.rb' is this one:
>
> class Main
>          def initialize
>                  while true
>                          print 2
>                  end
>          end
> end
>
> It acts as expected. (11112222221111111222222)
>
> But if I add the line "m = Main.new" at the end of 'p.rb', the thread  
> seems to take over! (22222222222222222222222222222222222)
>
> Since this 'p.rb' is some external file the users will input, I can't  
> tell what it'll be on it, so I can't avoid that a malicious code takes  
> over my program! Or can I?
>



-- 
(c) Andre' - All rights reseved - 2004