RECV
(void) sigaddset(&maskall, RECV);
(void) sigaction(RECV, &sa, (struct sigaction *)0);
(void) kill(next, RECV);
(void) kill(next, RECV);
(void) kill(next, RECV);
(void) kill(next, RECV);
(void) kill(next, RECV);
(void) kill(parent, RECV);
(void) kill(next, RECV);