ktrpsig
ktrpsig(p, signum, sctx->sig_action, p->p_flag & P_SIGSUSPEND ?
ktrpsig(p, signum, ctx.sig_action,
void ktrpsig(struct proc *, int, sig_t, int, int, siginfo_t *);
static void ktrpsig(struct ktr_psig *);
ktrpsig(m);