TF_SIGNATURE
if (optp || (tp->t_flags & TF_SIGNATURE))
tp->t_flags |= TF_SIGNATURE;
if (tp->t_flags & TF_SIGNATURE) {
if ((sigp ? TF_SIGNATURE : 0) ^ (tp->t_flags & TF_SIGNATURE))
if (tp->t_flags & TF_SIGNATURE) {
if (sigoff && (tp->t_flags & TF_SIGNATURE)) {
if (tp->t_flags & TF_SIGNATURE)
if (tp->t_flags & TF_SIGNATURE)
if (tb.t_flags & TF_SIGNATURE)
tp->t_flags |= TF_SIGNATURE;
if (optp || (tp->t_flags & TF_SIGNATURE))
tb.t_flags |= (tp->t_flags & TF_SIGNATURE);
tp->t_flags |= TF_SIGNATURE;
tp->t_flags &= ~TF_SIGNATURE;
optval = (tp->t_flags & TF_SIGNATURE) ? 1 : 0;