dev/rc/rc.c

213 	struct tty *tp;
298 		tp = rc->rc_tp = ttyalloc();
299 		tp->t_sc = rc;
300 		tp->t_oproc   = rc_start;
301 		tp->t_param   = rc_param;
302 		tp->t_modem   = rc_modem;
303 		tp->t_break   = rc_break;
304 		tp->t_close   = rc_close;
305 		tp->t_stop    = rc_stop;
306 		ttycreate(tp, TS_CALLOUT, "m%d", chan + base);
588 rc_start(struct tty *tp)
594 	rc = tp->t_sc;
601 	if (tp->t_state & TS_TTSTOP)
607 	    && (tp->t_state & TS_TBLOCK)
617 	if (tp->t_state & (TS_TIMEOUT|TS_TTSTOP))
622 	ttwwakeup(tp);
625 		tp->t_outq.c_cc, rc->rc_obufend - rc->rc_optr);
627 	if (tp->t_state & TS_BUSY)
630 	if (tp->t_outq.c_cc > 0) {
633 		tp->t_state |= TS_BUSY;
634 		ocnt = q_to_b(&tp->t_outq, rc->rc_obuf, sizeof rc->rc_obuf);
659 	struct tty *tp;
669 			tp = rc->rc_tp;
697 				ttyld_modem(tp, !!(rc->rc_msvr & MSVR_CD));
720 					    && (tp->t_state & TS_ISOPEN)
721 					    && !(tp->t_state & TS_TBLOCK)
732 				if (icnt <= 0 || !(tp->t_state & TS_ISOPEN))
735 				if (   (tp->t_state & TS_CAN_BYPASS_L_RINT)
736 				    && !(tp->t_state & TS_LOCAL)) {
737 					if ((tp->t_rawq.c_cc + icnt) >= RB_I_HIGH_WATER
738 					    && ((rc->rc_flags & RC_RTSFLOW) || (tp->t_iflag & IXOFF))
739 					    && !(tp->t_state & TS_TBLOCK))
740 						ttyblock(tp);
743 					tp->t_rawcc += icnt;
744 					if (b_to_q(tptr, icnt, &tp->t_rawq))
748 					ttwakeup(tp);
749 					if ((tp->t_state & TS_TTSTOP) && ((tp->t_iflag & IXANY)
750 					    || (tp->t_cc[VSTART] == tp->t_cc[VSTOP]))) {
751 						tp->t_state &= ~TS_TTSTOP;
752 						tp->t_lflag &= ~FLUSHO;
753 						rc_start(tp);
757 						ttyld_rint(tp,
769 				ttyld_start(tp);
778 rc_stop(struct tty *tp, int rw)
784 	rc = tp->t_sc;
805 	if (tp->t_state & TS_TTSTOP)
813 rc_close(struct tty *tp)
819 	rc = tp->t_sc;
826 	if (   (tp->t_cflag & HUPCL)
829 	       && !(tp->t_cflag & CLOCAL))
830 	    || !(tp->t_state & TS_ISOPEN)
834 		(void) rc_modem(tp, SER_RTS, 0);
835 		ttydtrwaitstart(tp);
839 	wakeup(TSA_CARR_ON(tp));
870 rc_param(struct tty *tp, struct termios *ts)
885 	rc = tp->t_sc;
896 		(void) rc_modem(tp, 0, SER_DTR);
899 	tp->t_state &= ~TS_CAN_BYPASS_L_RINT;
967 	if (tp->t_state & TS_TTSTOP)
989 	ttyldoptim(tp);
1012 	if (tp->t_state & TS_BUSY)
1015 		rc_modem(tp, SER_DTR, 0);
1039 rc_modem(struct tty *tp, int biton, int bitoff)
1046 	rc = tp->t_sc;
1086 rc_break(struct tty *tp, int brk)
1090 	rc = tp->t_sc;