Kill forked processes

[Steve Juranich]

kmkz wrote:

> I have a program A that forks off two other programs, B and C. I need B
> and C to both terminate if A is closed, but by using the
> subprocess.call() method this seems to not be the case; I can shut down
> the "black box" that is program A and B/C will still stay up.
> 
> How can I achieve the desired behavior?

You'll probably need to take a look at the `signal' and `atexit' modules. 
These will allow you to write hooks that will get called when your A script
is terminated either by a signal or by reaching one of the "natural"
endpoints.

-- 
Steve Juranich
Tucson, AZ
USA