S_SIG
if ((p->p_flags & P_TRACED) || (p->p_stops & S_SIG)) {
int traced = (p->p_flags & P_TRACED) || (p->p_stops & S_SIG);
STOPEVENT(p, S_SIG, sig);
STOPEVENT(p, S_SIG, sig);
((trussinfo->flags & NOSIGS) ? 0 : S_SIG));
case S_SIG: