[BusyBox] ifup, ifdown applets

[Uwe Beutin]

On Mon, 18 Nov 2002, Steven Scholz wrote:

> > Uh, a question: How else can one app send a signal to another app, if
> > not via the PID file?! Is there another way?!
> > 
> Using pidof!?
> 
> I know it's a problem if you have more than one process with the same app name,
> e.g. multi threads.
> 
> I used " kill -s SIGUSR1 `pidof myapp` " ...

Well, I meant "From inside another application", meaning: kill(2). Can I 
do the same thing without [v]forking and system()?

Cheers,

	Uwe