528 			if ((async) && (async->async_flags & ASYNC_ISOPEN))  in asyattach()
945 	if (!(async->async_flags & ASYNC_ISOPEN)) {  in asyopen()
1000 	} else if ((*dev & OUTLINE) && !(async->async_flags & ASYNC_OUT)) {  in asyopen()
1007 		async->async_flags |= ASYNC_OUT;  in asyopen()
1020 		async->async_flags |= ASYNC_CARR_ON;  in asyopen()
1022 		async->async_flags &= ~ASYNC_CARR_ON;  in asyopen()
1031 		if (!(async->async_flags & (ASYNC_CARR_ON|ASYNC_OUT)) ||  in asyopen()
1032 		    ((async->async_flags & ASYNC_OUT) &&  in asyopen()
1034 				async->async_flags |= ASYNC_WOPEN;  in asyopen()
1037 					async->async_flags &= ~ASYNC_WOPEN;  in asyopen()
1041 				async->async_flags &= ~ASYNC_WOPEN;  in asyopen()
1044 	} else if ((async->async_flags & ASYNC_OUT) && !(*dev & OUTLINE)) {  in asyopen()
1060 	async->async_flags |= ASYNC_ISOPEN;  in asyopen()
1079 	if (!(async->async_flags & (ASYNC_BREAK|ASYNC_DELAY|ASYNC_PROGRESS))) {  in async_progress_check()
1081 		async->async_flags &= ~ASYNC_BUSY;  in async_progress_check()
1097 		async->async_flags &= ~ASYNC_PROGRESS;  in async_progress_check()
1130 	async->async_flags |= ASYNC_CLOSING;  in asyclose()
1149 	if (!(async->async_flags & ASYNC_BREAK)) {  in asyclose()
1171 	    (async->async_flags & ASYNC_STOPPED)) {  in asyclose()
1194 		async->async_flags &= ~ASYNC_PROGRESS;  in asyclose()
1201 	    (async->async_flags & (ASYNC_BUSY|ASYNC_BREAK|ASYNC_DELAY))) {  in asyclose()
1232 	    (async->async_flags & ASYNC_WOPEN))) {  in asyclose()
1249 	if ((async->async_flags & (ASYNC_WOPEN|ASYNC_ISOPEN)) == 0) {  in asyclose()
1258 	async->async_flags = 0;  in asyclose()
1642 	    !(async->async_flags & (ASYNC_ISOPEN|ASYNC_WOPEN))) {  in asyintr()
1747 	if (async->async_flags & ASYNC_BREAK)  in async_txint()
1760 	    !(async->async_flags & (ASYNC_HW_OUT_FLW|ASYNC_STOPPED))) {  in async_txint()
1778 			async->async_flags |= ASYNC_PROGRESS;  in async_txint()
1901 			async->async_flags |= ASYNC_HW_IN_FLOW;  in async_rxint()
1906 	if ((async->async_flags & ASYNC_SERVICEIMM) || needsoft ||  in async_rxint()
2003 		async->async_flags |= ASYNC_HW_OUT_FLW;  in async_msint()
2105 		if ((val & CTS) && (async->async_flags & ASYNC_HW_OUT_FLW)) {  in async_softint()
2111 			async->async_flags &= ~ASYNC_HW_OUT_FLW;  in async_softint()
2128 			if ((async->async_flags & ASYNC_CARR_ON) == 0) {  in async_softint()
2129 				async->async_flags |= ASYNC_CARR_ON;  in async_softint()
2132 				if (async->async_flags & ASYNC_ISOPEN)  in async_softint()
2139 			if ((async->async_flags & ASYNC_CARR_ON) &&  in async_softint()
2156 				flushflag = (async->async_flags &  in async_softint()
2165 				if (async->async_flags & ASYNC_BUSY) {  in async_softint()
2167 					async->async_flags &= ~ASYNC_BUSY;  in async_softint()
2169 				async->async_flags &= ~ASYNC_STOPPED;  in async_softint()
2170 				if (async->async_flags & ASYNC_ISOPEN) {  in async_softint()
2177 				async->async_flags &= ~ASYNC_CARR_ON;  in async_softint()
2192 	if (!(async->async_flags & ASYNC_ISOPEN)) {  in async_softint()
2202 		if ((async->async_flags & ASYNC_HW_IN_FLOW) == 0) {  in async_softint()
2214 			async->async_flags |= ASYNC_HW_IN_FLOW;  in async_softint()
2221 		if ((async->async_flags & ASYNC_HW_IN_FLOW) &&  in async_softint()
2229 			async->async_flags &= ~ASYNC_HW_IN_FLOW;  in async_softint()
2246 		if ((async->async_flags & ASYNC_HW_IN_FLOW) == 0) {  in async_softint()
2247 			async->async_flags |= ASYNC_HW_IN_FLOW;  in async_softint()
2259 		if (async->async_flags & ASYNC_HW_IN_FLOW) {  in async_softint()
2260 			async->async_flags &= ~ASYNC_HW_IN_FLOW;  in async_softint()
2299 				if ((async->async_flags &  in async_softint()
2301 					async->async_flags |=  in async_softint()
2334 		if (async->async_flags & ASYNC_ISOPEN) {  in async_softint()
2342 	if ((async->async_ocnt <= 0 && (async->async_flags & ASYNC_BUSY)) ||  in async_softint()
2344 		async->async_flags &= ~ASYNC_BUSY;  in async_softint()
2349 		if (async->async_flags & ASYNC_ISOPEN) {  in async_softint()
2363 		if ((asy->inperim) && (async->async_flags & ASYNC_ISOPEN)) {  in async_softint()
2369 		if (!(async->async_flags & ASYNC_BUSY))  in async_softint()
2381 		if (async->async_flags & ASYNC_ISOPEN) {  in async_softint()
2395 		if (async->async_flags & ASYNC_ISOPEN) {  in async_softint()
2435 	if (async->async_flags & ASYNC_BREAK) {  in async_restart()
2461 	async->async_flags &= ~(ASYNC_DELAY|ASYNC_BREAK|ASYNC_DRAINING);  in async_restart()
2513 	if (async->async_flags & (ASYNC_BREAK|ASYNC_BUSY|ASYNC_DRAINING)) {  in async_nstart()
2519 			    async->async_flags & ASYNC_BREAK  in async_nstart()
2537 	if (async->async_flags & ASYNC_DELAY) {  in async_nstart()
2578 			async->async_flags |= ASYNC_BREAK;  in async_nstart()
2591 			async->async_flags |= ASYNC_DELAY;  in async_nstart()
2622 				async->async_flags |= ASYNC_DRAINING;  in async_nstart()
2668 	if (async->async_flags & (ASYNC_HW_OUT_FLW|ASYNC_STOPPED)) {  in async_nstart()
2671 		    async->async_flags & ASYNC_HW_OUT_FLW)  in async_nstart()
2727 		async->async_flags |= ASYNC_PROGRESS;  in async_nstart()
2728 	async->async_flags |= ASYNC_BUSY;  in async_nstart()
2754 			async->async_flags |= ASYNC_PROGRESS;  in async_resume()
3056 				async->async_flags |= ASYNC_BREAK;  in async_ioctl()
3304 		async->async_flags |= ASYNC_STOPPED;  in asywput()
3311 		if (async->async_flags & ASYNC_STOPPED) {  in asywput()
3312 			async->async_flags &= ~ASYNC_STOPPED;  in asywput()
3388 			if (async->async_flags & ASYNC_BUSY) {  in asywput()
3390 				async->async_flags &= ~ASYNC_BUSY;  in asywput()
3481 				async->async_flags |= ASYNC_SERVICEIMM;  in asywput()
3485 				async->async_flags &= ~ASYNC_SERVICEIMM;  in asywput()
3698 		flag = (async->async_flags & ASYNC_HW_IN_FLOW) ? 0 : RTS;  in asycheckflowcontrol_hw()
3727 			async->async_flags |= ASYNC_BUSY;  in asycheckflowcontrol_sw()