From: Joel VanderWerf <vjoel@...>
Date: 2006-03-21T10:50:58+09:00
Subject: Re: Keeping a thread alive

Nate Smith wrote:
> Hello everyone,
> 
> I'm trying to keep a thread alive after exiting a method. The
> pseudo-code is as follows:
> 
> class A
>     
>     def start
>         @mainThread = Thread.new {
>             oneThread = Thread.new {
>                 # do some stuff
>             }
>             twoThread = Thread.new {
>                 # do some other stuff
>             }
>             oneThread.join
>             twoThread.join
>         }
>     end
> end
> 
> aObject = A.new
> aObject.start
> 
> 
> The problem is that since there is no :join call on @mainThread, it is
> killed (and hence oneThread, and twoThread as well) once control ends in
> :start. This is perfectly valid, of course, but I would like @mainThread
> to stay alive after control in :start ends. Is there any way to do this?
> Thanks
> 
> Nate
> 

Is you program exiting after aObject.start? Then maybe you want to do
@mainThread.join at that point?

The @mainThread should still be alive, until the program exits, unless
it has suffered an exception.

Do you have Thread.abort_on_exception = true?

-- 
      vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407