sys/kern/kern_sig.c

279 	SIGEMPTYSET(list->sq_kill);
303 	if (SIGISMEMBER(sq->sq_kill, signo)) {
305 		SIGDELSET(sq->sq_kill, signo);
349 	if (kp == NULL && !SIGISMEMBER(sq->sq_kill, ksi->ksi_signo))
363 		SIGADDSET(sq->sq_kill, signo);
378 		SIGADDSET(sq->sq_kill, signo);
403 			SIGADDSET(sq->sq_kill, signo);
435 	SIGEMPTYSET(sq->sq_kill);
463 	tmp = src->sq_kill;
465 	SIGSETOR(dst->sq_kill, tmp);
466 	SIGSETNAND(src->sq_kill, tmp);
503 	SIGSETNAND(sq->sq_kill, *set);