sys/kern/sys_sig.c

90 		syscallarg(const struct sigaction *)	nsa;
95 	struct sigaction nsa, osa;
98 	if (SCARG(uap, nsa)) {
99 		error = copyin(SCARG(uap, nsa), &nsa, sizeof(nsa));
104 	    SCARG(uap, nsa) ? &nsa : 0, SCARG(uap, osa) ? &osa : 0,
373 sigaction1(struct lwp *l, int signum, const struct sigaction *nsa,
403 	if (nsa != NULL) {
460 	if (!nsa)
464 	if ((nsa->sa_flags & ~SA_ALLBITS) || (prop & SA_CANTMASK)) {
469 	SIGACTION_PS(ps, signum) = *nsa;
478 		if (nsa->sa_flags & SA_NOCLDSTOP)
482 		if (nsa->sa_flags & SA_NOCLDWAIT) {
496 		if (nsa->sa_handler == SIG_IGN) {
508 	if ((nsa->sa_flags & SA_NODEFER) == 0)
519 	if (nsa->sa_handler == SIG_IGN ||
520 	    (nsa->sa_handler == SIG_DFL && (prop & SA_IGNORE) != 0)) {
532 		if (nsa->sa_handler == SIG_DFL)