bsd/kern/tty.c

78  *	o Move EXTPROC and/or PENDIN to t_state?
353 	if (!ISSET(tp->t_state, TS_ISOPEN)) {
354 		SET(tp->t_state, TS_ISOPEN);
356 			SET(tp->t_state, TS_CONNECTED); }
466 	tp->t_state = 0;
533 	    !ISSET(tp->t_state, TS_TBLOCK))
574 	if (!ISSET(tp->t_state, TS_TYPEN) && ISSET(iflag, ISTRIP))
580 		if (ISSET(tp->t_state, TS_LNCH)) {
582 			CLR(tp->t_state, TS_LNCH);
605 				SET(tp->t_state, TS_LNCH);
660 				if (!ISSET(tp->t_state, TS_TTSTOP)) {
661 					SET(tp->t_state, TS_TTSTOP);
725 			CLR(tp->t_state, TS_LOCAL);
821 		if (ISSET(tp->t_state, TS_ERASE)) {
825 			CLR(tp->t_state, TS_ERASE);
846 	if (ISSET(tp->t_state, TS_TTSTOP) &&
853 	CLR(tp->t_state, TS_TTSTOP);
1127 			SET(tp->t_state, TS_ASYNC);
1129 			CLR(tp->t_state, TS_ASYNC);
1137 		SET(tp->t_state, TS_XCLUDE);
1159 			    ISSET(constty->t_state, TS_CONNECTED)) {
1216 		CLR(tp->t_state, TS_XCLUDE);
1275 				CLR(tp->t_state, TS_ZOMBIE);
1281 			if ((ISSET(tp->t_state, TS_CARR_ON) ||
1283 			    !ISSET(tp->t_state, TS_ZOMBIE))
1284 				SET(tp->t_state, TS_CONNECTED);
1286 				CLR(tp->t_state, TS_CONNECTED);
1356 		if (ISSET(tp->t_state, TS_TTSTOP) ||
1359 			CLR(tp->t_state, TS_TTSTOP);
1375 		if (!ISSET(tp->t_state, TS_TTSTOP)) {
1376 			SET(tp->t_state, TS_TTSTOP);
1521 		if (ISSET(tp->t_state, TS_ZOMBIE)) {
1533 		if (ISSET(tp->t_state, TS_ZOMBIE)) {
1538 				ISSET(tp->t_state, TS_CONNECTED)) {
1618 	while ((tp->t_outq.c_cc || ISSET(tp->t_state, TS_BUSY)) &&
1619 	       ISSET(tp->t_state, TS_CONNECTED) && tp->t_oproc) {
1621 		if ((tp->t_outq.c_cc || ISSET(tp->t_state, TS_BUSY)) &&
1622 		    ISSET(tp->t_state, TS_CONNECTED)) {
1623 			SET(tp->t_state, TS_SO_OCOMPLETE);
1635 	if (!error && (tp->t_outq.c_cc || ISSET(tp->t_state, TS_BUSY)))
1685 		CLR(tp->t_state, TS_TTSTOP);
1694 		CLR(tp->t_state, TS_LOCAL);
1696 		if (ISSET(tp->t_state, TS_TBLOCK)) {
1708 			CLR(tp->t_state, TS_TBLOCK);
1721 				SET(tp->t_state, TS_SO_OCOMPLETE);
1727 				CLR(tp->t_state, TS_TBLOCK);
1765 	SET(tp->t_state, TS_TBLOCK);
1768 		CLR(tp->t_state, TS_TBLOCK);	/* try again later */
1785 	CLR(tp->t_state, TS_TBLOCK);
1788 		SET(tp->t_state, TS_TBLOCK);	/* try again later */
1856 	if (ISSET(tp->t_state, TS_CARR_ON) && ISSET(tp->t_cflag, MDMBUF)) {
1863 			CLR(tp->t_state, TS_CAR_OFLOW);
1864 			CLR(tp->t_state, TS_TTSTOP);
1866 		} else if (!ISSET(tp->t_state, TS_CAR_OFLOW)) {
1867 			SET(tp->t_state, TS_CAR_OFLOW);
1868 			SET(tp->t_state, TS_TTSTOP);
1875 		CLR(tp->t_state, TS_CARR_ON);
1876 		if (ISSET(tp->t_state, TS_ISOPEN) &&
1878 			SET(tp->t_state, TS_ZOMBIE);
1879 			CLR(tp->t_state, TS_CONNECTED);
1890 		SET(tp->t_state, TS_CARR_ON);
1891 		if (!ISSET(tp->t_state, TS_ZOMBIE))
1892 			SET(tp->t_state, TS_CONNECTED);
1918 	SET(tp->t_state, TS_TYPEN);
1924 	CLR(tp->t_state, TS_TYPEN);
2002 	if (ISSET(tp->t_state, TS_ZOMBIE)) {
2120 				 ISSET(tp->t_state, TS_CONNECTED) ?
2225 	if (ISSET(tp->t_state, TS_TBLOCK) &&
2266 			SET(tp->t_state, TS_SO_OLOWAT);
2300 	if (ISSET(tp->t_state, TS_ZOMBIE)) {
2305 	if (!ISSET(tp->t_state, TS_CONNECTED)) {
2466 	SET(tp->t_state, TS_SO_OLOWAT);
2527 				SET(tp->t_state, TS_CNTTB);
2534 				CLR(tp->t_state, TS_CNTTB);
2553 		if (!ISSET(tp->t_state, TS_ERASE)) {
2554 			SET(tp->t_state, TS_ERASE);
2612 	CLR(tp->t_state, TS_ERASE);
2629 	if (!ISSET(tp->t_state, TS_CNTTB))
2661 	if (ISSET(tp->t_state, TS_ASYNC)) {
2694 	if (ISSET(tp->t_state, TS_BUSY | TS_SO_OCOMPLETE) ==
2696 		CLR(tp->t_state, TS_SO_OCOMPLETE);
2699 	if (ISSET(tp->t_state, TS_SO_OLOWAT) &&
2701 		CLR(tp->t_state, TS_SO_OLOWAT);
2969 	if (!ISSET(tp->t_state, TS_CONNECTED)) {