p4raw-id: //depot/perl@27047
kill 9, @goners;
If SIGNAL is zero, no signal is sent to the process, but the kill(2)
-system call will check whether it's possible so send a signal to it (that
+system call will check whether it's possible to send a signal to it (that
means, to be brief, that the process is owned by the same user, or we are
the super-user). This is a useful way to check that a child process is
alive and hasn't changed its UID. See L<perlport> for notes on the