Call for release testing

[Damien Miller]

Jim Basney wrote:
> -ps -p $MASTER_PID >/dev/null && fail "exit command failed" 
> +kill -0 $MASTER_PID >/dev/null 2>&1 && fail "exit command failed" 

Is "kill -0" standard? (it works on BSD, at least) Otherwise we could
use grep -q "$PID"

-d