TAPE
(void) sigaddset(&maskall, TAPE);
(void) sigdelset(&tapemask, TAPE);
(void) sigaddset(&cmdmask, TAPE);
(void) sigaction(TAPE, &sa, (struct sigaction *)0);
(void) kill(parent, TAPE);
(void) kill(next, TAPE);
(void) kill(next, TAPE);
(void) kill(next, TAPE);
(void) kill(next, TAPE);
(void) kill(next, TAPE);
(void) kill(parent, TAPE);
(void) kill(parent, TAPE);