From: ara.t.howard@...
Date: 2006-07-12T12:50:49+09:00
Subject: Re: Processes and Portability

On Wed, 12 Jul 2006, Name Name wrote:

> Joel, if you do t.status after you thread off the system, you'll notice
> that it says sleeping instead of running.  Pretty much the thread will
> make the system call and then wait on that system call to return.  So
> that thread is owning that process in some respects, but killing that
> thread will in no means kill the process, since that process is on its
> own now.
>
> On an unrelated note, does anyone know how to kill all children pids
> including itself when one is given a pid?  If that question is answered,
> I think my post will be answered.

   harp:~ > cat a.rb
   Thread.new{ system 'sleep 60' }
   sleep 1
   system 'ps'
   Process.kill -9, Process.pid

   harp:~ > ruby a.rb
     PID TTY          TIME CMD
   15149 pts/2    00:00:00 bash
    6308 pts/2    00:00:00 ruby
    6309 pts/2    00:00:00 sleep
    6310 pts/2    00:00:00 ps
   Killed

   harp:~ > ps
     PID TTY          TIME CMD
   15149 pts/2    00:00:00 bash
    6311 pts/2    00:00:00 ps



-a
-- 
suffering increases your inner strength.  also, the wishing for suffering
makes the suffering disappear.
- h.h. the 14th dali lama