263 	struct ptmx_ioctl *pti = pty_get_ioctl(dev, PF_OPEN_S, &driver);  in ptsopen()  local
264 	if (pti == NULL) {  in ptsopen()
267 	if (!(pti->pt_flags & PF_UNLOCKED)) {  in ptsopen()
272 	struct tty *tp = pti->pt_tty;  in ptsopen()
334 	struct ptmx_ioctl *pti = pty_get_ioctl(dev, 0, &driver);  in ptsclose()  local
337 	if (pti == NULL) {  in ptsclose()
341 	tp = pti->pt_tty;  in ptsclose()
374 	struct ptmx_ioctl *pti = pty_get_ioctl(dev, 0, NULL);  in ptsread()  local
379 	if (pti == NULL) {  in ptsread()
382 	tp = pti->pt_tty;  in ptsread()
402 	struct ptmx_ioctl *pti = pty_get_ioctl(dev, 0, NULL);  in ptswrite()  local
406 	if (pti == NULL) {  in ptswrite()
409 	tp = pti->pt_tty;  in ptswrite()
434 	struct ptmx_ioctl *pti = pty_get_ioctl(tp->t_dev, 0, NULL);  in ptsstart()  local
435 	if (pti == NULL) {  in ptsstart()
441 	if (pti->pt_flags & PF_STOPPED) {  in ptsstart()
442 		pti->pt_flags &= ~PF_STOPPED;  in ptsstart()
443 		pti->pt_send = TIOCPKT_START;  in ptsstart()
466 	struct ptmx_ioctl *pti = pty_get_ioctl(tp->t_dev, 0, NULL);  in ptcwakeup()  local
467 	if (pti == NULL) {  in ptcwakeup()
472 		selwakeup(&pti->pt_selr);  in ptcwakeup()
474 		ptcwakeup_knote(&pti->pt_selr, 1);  in ptcwakeup()
477 		selwakeup(&pti->pt_selw);  in ptcwakeup()
479 		ptcwakeup_knote(&pti->pt_selw, 1);  in ptcwakeup()
487 	struct ptmx_ioctl *pti = pty_get_ioctl(dev, PF_OPEN_M, &driver);  in ptcopen()  local
488 	if (pti == NULL) {  in ptcopen()
490 	} else if (pti == (struct ptmx_ioctl*)-1) {  in ptcopen()
494 	struct tty *tp = pti->pt_tty;  in ptcopen()
519 		pti->pt_flags = PF_UNLOCKED;  in ptcopen()
520 		pti->pt_send = 0;  in ptcopen()
521 		pti->pt_ucntl = 0;  in ptcopen()
532 	struct ptmx_ioctl *pti = pty_get_ioctl(dev, 0, &driver);  in ptcclose()  local
537 	if (!pti) {  in ptcclose()
541 	tp = pti->pt_tty;  in ptcclose()
599 	knote(&pti->pt_selr.si_note, NOTE_REVOKE, true);  in ptcclose()
600 	selthreadclear(&pti->pt_selr);  in ptcclose()
601 	knote(&pti->pt_selw.si_note, NOTE_REVOKE, true);  in ptcclose()
602 	selthreadclear(&pti->pt_selw);  in ptcclose()
619 	struct ptmx_ioctl *pti = pty_get_ioctl(dev, 0, NULL);  local
624 	if (pti == NULL) {
627 	tp = pti->pt_tty;
638 			if (pti->pt_flags & PF_PKT && pti->pt_send) {
639 				error = ureadc((int)pti->pt_send, uio);
643 				if (pti->pt_send & TIOCPKT_IOCTL) {
664 				pti->pt_send = 0;
667 			if (pti->pt_flags & PF_UCNTL && pti->pt_ucntl) {
668 				error = ureadc((int)pti->pt_ucntl, uio);
672 				pti->pt_ucntl = 0;
691 	if (pti->pt_flags & (PF_PKT | PF_UCNTL)) {
717 	struct ptmx_ioctl *pti = pty_get_ioctl(tp->t_dev, 0, NULL);  local
720 	if (pti == NULL) {
727 		pti->pt_flags |= PF_STOPPED;
729 		pti->pt_flags &= ~PF_STOPPED;
731 	pti->pt_send |= flush;
753 	struct ptmx_ioctl *pti = pty_get_ioctl(dev, 0, NULL);  local
757 	if (pti == NULL) {
760 	tp = pti->pt_tty;
805 	struct ptmx_ioctl *pti = pty_get_ioctl(dev, 0, &driver);  local
809 	if (pti == NULL) {
812 	tp = pti->pt_tty;
833 		    (((pti->pt_flags & PF_PKT) && pti->pt_send) ||
834 		    ((pti->pt_flags & PF_UCNTL) && pti->pt_ucntl))) {
838 		selrecord(p, &pti->pt_selr, wql);
855 		selrecord(p, &pti->pt_selw, wql);
879 	struct ptmx_ioctl *pti = pty_get_ioctl(dev, 0, NULL);  local
887 	if (pti == NULL) {
890 	tp = pti->pt_tty;
965 	struct ptmx_ioctl *pti = pty_get_ioctl(dev, 0, &driver);  local
970 	if (pti == NULL || pti->pt_tty == NULL) {
978 	tp = pti->pt_tty;
1004 			if (pti->pt_flags & PF_PKT) {
1005 				pti->pt_send |= TIOCPKT_IOCTL;
1011 			    (pti->pt_flags & PF_PKT)) {
1012 				pti->pt_send |= TIOCPKT_IOCTL;
1030 				if (pti->pt_flags & PF_UCNTL) {
1034 				pti->pt_flags |= PF_PKT;
1036 				pti->pt_flags &= ~PF_PKT;
1042 				if (pti->pt_flags & PF_PKT) {
1046 				pti->pt_flags |= PF_UCNTL;
1048 				pti->pt_flags &= ~PF_UCNTL;
1093 			error = _devfs_setattr(pti->pt_devhandle, 0620, kauth_getuid(), GID_TTY);
1125 				pti->pt_flags |= PF_UNLOCKED;
1145 			if (pti->pt_flags & PF_UCNTL && (cmd & ~0xff) == UIOCCMD(0)) {
1148 					pti->pt_ucntl = (u_char)cmd;
1171 	if ((tp->t_lflag & EXTPROC) && (pti->pt_flags & PF_PKT)) {
1186 			pti->pt_send |= TIOCPKT_IOCTL;
1195 	if (pti->pt_flags & PF_NOSTOP) {
1197 			pti->pt_send &= ~TIOCPKT_NOSTOP;
1198 			pti->pt_send |= TIOCPKT_DOSTOP;
1199 			pti->pt_flags &= ~PF_NOSTOP;
1204 			pti->pt_send &= ~TIOCPKT_DOSTOP;
1205 			pti->pt_send |= TIOCPKT_NOSTOP;
1206 			pti->pt_flags |= PF_NOSTOP;