From: "Kurt M. Dresner" <kdresner@...>
Date: 2003-08-17T08:09:20+09:00
Subject: Re: fork and modifying variables inside the new process

The problem is that I want to call exec inside the new process, as well
as being able to send it things like SIGSTOP and SIGCONT.

Is there a way I can do this?

-Kurt

On Sun, Aug 17, 2003 at 07:57:51AM +0900, mgarriss wrote:
> Kurt M. Dresner wrote:
> 
> >irb(main):001:0> a = true
> >=> true
> >irb(main):002:0> fork do
> >irb(main):003:1* a = false
> >irb(main):004:1> end
> >=> 2525
> >irb(main):005:0> a
> >=> true
> >
> >
> >Why is this so?  What is the point of having my mutexes if I can't
> >manipulate the data anyway?
> >
> >-Kurt
> >
> >
> > 
> >
> Fork creates a whole new heavy process.  I think you are looking for 
> Thread.  Try something like:
> 
> Thread.new {
>    a = false
> }
> 
> 
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