KILL!

[Federico Voges]

Matthew Carpenter wrote:
> Any C programmers out there have a good understanding of the ins and outs of 
> GLIB's "kill" function?
> 
> Specifically, it indicates that if the SIGNAL sent is 0, no signal is actually 
> sent but error checking is processed.  Quoted from the man page:
> 
> 	int kill(pid_t pid, int sig);
> <snip>
>  "If sig is 0, then no signal is sent, but error checking is still performed."
> 
> What the freak does that mean!?  Why would you call kill without actually 
> wanting to send a signal!?  Why did the chicken cross the road!?  Was it just 
> to see if he could!  little prick.  er...  chick.
> 
Basically, to test if the pid still exists ;)