bsd/kern/tty_ptmx.c

559 	struct ptmx_ioctl *pti;
562 	if ((pti = ptmx_get_ioctl(minor(dev), 0)) == NULL) {
566 	if (!(pti->pt_flags & PF_UNLOCKED)) {
570 	tp = pti->pt_tty;
597 	pti->pt_flags |= PF_OPEN_S;
612 	struct ptmx_ioctl *pti;
624 	pti = ptmx_get_ioctl(minor(dev), 0);
626 	tp = pti->pt_tty;
656 	struct ptmx_ioctl *pti;
661 	pti = ptmx_get_ioctl(minor(dev), 0);
663 	tp = pti->pt_tty;
668 	if (pti->pt_flags & PF_REMOTE) {
746 	struct ptmx_ioctl *pti;
749 	pti = ptmx_get_ioctl(minor(dev), 0);
751 	tp = pti->pt_tty;
774 	struct ptmx_ioctl *pti;
776 	pti = ptmx_get_ioctl(minor(tp->t_dev), 0);
780 	if (pti->pt_flags & PF_STOPPED) {
781 		pti->pt_flags &= ~PF_STOPPED;
782 		pti->pt_send = TIOCPKT_START;
795 	struct ptmx_ioctl *pti;
797 	pti = ptmx_get_ioctl(minor(tp->t_dev), 0);
800 		selwakeup(&pti->pt_selr);
804 		selwakeup(&pti->pt_selw);
813 	struct ptmx_ioctl *pti;
816 	pti = ptmx_get_ioctl(minor(dev), PF_OPEN_M);
817 	if (pti == NULL) {
819 	} else if (pti == (struct ptmx_ioctl*)-1) {
823 	tp = pti->pt_tty;
856 	struct ptmx_ioctl *pti;
858 	pti = ptmx_get_ioctl(minor(dev), 0);
860 	tp = pti->pt_tty;
892 	struct ptmx_ioctl *pti;
896 	pti = ptmx_get_ioctl(minor(dev), 0);
898 	tp = pti->pt_tty;
909 			if (pti->pt_flags & PF_PKT && pti->pt_send) {
910 				error = ureadc((int)pti->pt_send, uio);
913 				if (pti->pt_send & TIOCPKT_IOCTL) {
919 				pti->pt_send = 0;
922 			if (pti->pt_flags & PF_UCNTL && pti->pt_ucntl) {
923 				error = ureadc((int)pti->pt_ucntl, uio);
926 				pti->pt_ucntl = 0;
942 	if (pti->pt_flags & (PF_PKT|PF_UCNTL))
965 	struct ptmx_ioctl *pti;
968 	pti = ptmx_get_ioctl(minor(tp->t_dev), 0);
973 		pti->pt_flags |= PF_STOPPED;
975 		pti->pt_flags &= ~PF_STOPPED;
976 	pti->pt_send |= flush;
1040 	struct ptmx_ioctl *pti;
1044 	pti = ptmx_get_ioctl(minor(dev), 0);
1046 	tp = pti->pt_tty;
1091 	struct ptmx_ioctl *pti;
1094 	pti = ptmx_get_ioctl(minor(dev), 0);
1096 	tp = pti->pt_tty;
1117 		    ((pti->pt_flags & PF_PKT && pti->pt_send) ||
1118 		     (pti->pt_flags & PF_UCNTL && pti->pt_ucntl))) {
1122 		selrecord(p, &pti->pt_selr, wql);
1127 			if (pti->pt_flags & PF_REMOTE) {
1144 		selrecord(p, &pti->pt_selw, wql);
1169 	struct ptmx_ioctl *pti;
1176 	pti = ptmx_get_ioctl(minor(dev), 0);
1178 	tp = pti->pt_tty;
1184 	if (pti->pt_flags & PF_REMOTE) {
1289 	struct ptmx_ioctl *pti;
1294 	pti = ptmx_get_ioctl(minor(dev), 0);
1296 	tp = pti->pt_tty;
1319 			if (pti->pt_flags & PF_PKT) {
1320 				pti->pt_send |= TIOCPKT_IOCTL;
1326 			    (pti->pt_flags & PF_PKT)) {
1327 				pti->pt_send |= TIOCPKT_IOCTL;
1347 			        if (pti->pt_flags & PF_UCNTL) {
1351 				pti->pt_flags |= PF_PKT;
1353 				pti->pt_flags &= ~PF_PKT;
1358 			        if (pti->pt_flags & PF_PKT) {
1362 				pti->pt_flags |= PF_UCNTL;
1364 				pti->pt_flags &= ~PF_UCNTL;
1369 				pti->pt_flags |= PF_REMOTE;
1371 				pti->pt_flags &= ~PF_REMOTE;
1416 				error = _devfs_setattr(pti->pt_devhandle, 0620, kauth_getuid(), GID_TTY);
1434 			pti->pt_flags |= PF_UNLOCKED;
1453 			if (pti->pt_flags & PF_UCNTL && (cmd & ~0xff) == UIOCCMD(0)) {
1456 					pti->pt_ucntl = (u_char)cmd;
1479 	if ((tp->t_lflag&EXTPROC) && (pti->pt_flags & PF_PKT)) {
1494 			pti->pt_send |= TIOCPKT_IOCTL;
1502 	if (pti->pt_flags & PF_NOSTOP) {
1504 			pti->pt_send &= ~TIOCPKT_NOSTOP;
1505 			pti->pt_send |= TIOCPKT_DOSTOP;
1506 			pti->pt_flags &= ~PF_NOSTOP;
1511 			pti->pt_send &= ~TIOCPKT_DOSTOP;
1512 			pti->pt_send |= TIOCPKT_NOSTOP;
1513 			pti->pt_flags |= PF_NOSTOP;
1550 	struct ptmx_ioctl *pti;
1557 		pti = ptmx_get_ioctl(minor(dev), 0);
1558 		if (pti != NULL && (tp = pti->pt_tty) != NULL) {
1575 	struct ptmx_ioctl *pti;
1591 		pti = ptmx_get_ioctl(minor(dev), 0);
1592 		if (pti == NULL || (tp = pti->pt_tty) == NULL) {
1634 	struct ptmx_ioctl *pti = NULL;
1642 	if ((pti = ptmx_get_ioctl(minor(dev), 0)) == NULL) {
1646 	tp = pti->pt_tty;