384 	rpipe->pipe_state |= PIPE_DIRECTOK;  in pipe_paircreate()
385 	wpipe->pipe_state |= PIPE_DIRECTOK;  in pipe_paircreate()
547 	KASSERT(!(cpipe->pipe_state & PIPE_DIRECTW),  in pipespace_new()
607 	KASSERT(cpipe->pipe_state & PIPE_LOCKFL,  in pipespace()
625 	while (cpipe->pipe_state & PIPE_LOCKFL) {  in pipelock()
636 	cpipe->pipe_state |= PIPE_LOCKFL;  in pipelock()
648 	KASSERT(cpipe->pipe_state & PIPE_LOCKFL,  in pipeunlock()
653 	cpipe->pipe_state &= ~PIPE_LOCKFL;  in pipeunlock()
664 	if (cpipe->pipe_state & PIPE_SEL) {  in pipeselwakeup()
667 			cpipe->pipe_state &= ~PIPE_SEL;  in pipeselwakeup()
669 	if ((cpipe->pipe_state & PIPE_ASYNC) && cpipe->pipe_sigio)  in pipeselwakeup()
713 		if ((rpipe->pipe_state & PIPE_DIRECTW) == 0 &&  in pipe_read()
775 				rpipe->pipe_state &= ~PIPE_WANTW;  in pipe_read()
784 			if (rpipe->pipe_state & PIPE_EOF)  in pipe_read()
790 			if (rpipe->pipe_state & PIPE_WANTW) {  in pipe_read()
791 				rpipe->pipe_state &= ~PIPE_WANTW;  in pipe_read()
815 				rpipe->pipe_state |= PIPE_WANTR;  in pipe_read()
839 	if ((rpipe->pipe_busy == 0) && (rpipe->pipe_state & PIPE_WANT)) {  in pipe_read()
840 		rpipe->pipe_state &= ~(PIPE_WANT|PIPE_WANTW);  in pipe_read()
846 		if (rpipe->pipe_state & PIPE_WANTW) {  in pipe_read()
847 			rpipe->pipe_state &= ~PIPE_WANTW;  in pipe_read()
878 	KASSERT((wpipe->pipe_state & PIPE_DIRECTW) == 0,  in pipe_build_write_buffer()
888 	wpipe->pipe_state |= PIPE_DIRECTW;  in pipe_build_write_buffer()
895 		wpipe->pipe_state &= ~PIPE_DIRECTW;  in pipe_build_write_buffer()
921 	KASSERT((wpipe->pipe_state & PIPE_DIRECTW) != 0,  in pipe_destroy_write_buffer()
926 	wpipe->pipe_state &= ~PIPE_DIRECTW;  in pipe_destroy_write_buffer()
945 	KASSERT((wpipe->pipe_state & PIPE_DIRECTW) != 0,  in pipe_clone_write_buffer()
985 	if ((wpipe->pipe_state & PIPE_EOF) != 0) {  in pipe_direct_write()
989 	if (wpipe->pipe_state & PIPE_DIRECTW) {  in pipe_direct_write()
990 		if (wpipe->pipe_state & PIPE_WANTR) {  in pipe_direct_write()
991 			wpipe->pipe_state &= ~PIPE_WANTR;  in pipe_direct_write()
995 		wpipe->pipe_state |= PIPE_WANTW;  in pipe_direct_write()
1005 		if (wpipe->pipe_state & PIPE_WANTR) {  in pipe_direct_write()
1006 			wpipe->pipe_state &= ~PIPE_WANTR;  in pipe_direct_write()
1010 		wpipe->pipe_state |= PIPE_WANTW;  in pipe_direct_write()
1026 	    (wpipe->pipe_state & PIPE_EOF) == 0) {  in pipe_direct_write()
1027 		if (wpipe->pipe_state & PIPE_WANTR) {  in pipe_direct_write()
1028 			wpipe->pipe_state &= ~PIPE_WANTR;  in pipe_direct_write()
1032 		wpipe->pipe_state |= PIPE_WANTW;  in pipe_direct_write()
1041 	if ((wpipe->pipe_state & PIPE_EOF) != 0) {  in pipe_direct_write()
1051 	KASSERT((wpipe->pipe_state & PIPE_DIRECTW) == 0,  in pipe_direct_write()
1081 	    (wpipe->pipe_state & PIPE_EOF)) {  in pipe_write()
1117 	    (wpipe->pipe_state & PIPE_DIRECTW) == 0) {  in pipe_write()
1129 		if (wpipe->pipe_state & PIPE_EOF) {  in pipe_write()
1162 			if (wpipe->pipe_state & PIPE_WANTR) {  in pipe_write()
1163 				wpipe->pipe_state &= ~PIPE_WANTR;  in pipe_write()
1167 			wpipe->pipe_state |= PIPE_WANTW;  in pipe_write()
1253 			if (wpipe->pipe_state & PIPE_WANTR) {  in pipe_write()
1254 				wpipe->pipe_state &= ~PIPE_WANTR;  in pipe_write()
1272 			wpipe->pipe_state |= PIPE_WANTW;  in pipe_write()
1285 	if ((wpipe->pipe_busy == 0) && (wpipe->pipe_state & PIPE_WANT)) {  in pipe_write()
1286 		wpipe->pipe_state &= ~(PIPE_WANT | PIPE_WANTR);  in pipe_write()
1293 		if (wpipe->pipe_state & PIPE_WANTR) {  in pipe_write()
1294 			wpipe->pipe_state &= ~PIPE_WANTR;  in pipe_write()
1368 			mpipe->pipe_state |= PIPE_ASYNC;  in pipe_ioctl()
1370 			mpipe->pipe_state &= ~PIPE_ASYNC;  in pipe_ioctl()
1441 		    (wpipe->pipe_state & PIPE_EOF) ||  in pipe_poll()
1442 		    ((wpipe->pipe_state & PIPE_DIRECTW) == 0 &&  in pipe_poll()
1454 		if (rpipe->pipe_state & PIPE_EOF) {  in pipe_poll()
1458 			    (wpipe->pipe_state & PIPE_EOF))  in pipe_poll()
1471 				rpipe->pipe_state |= PIPE_SEL;  in pipe_poll()
1478 				wpipe->pipe_state |= PIPE_SEL;  in pipe_poll()
1639 	cpipe->pipe_state |= PIPE_EOF;  in pipeclose()
1642 		cpipe->pipe_state |= PIPE_WANT;  in pipeclose()
1655 		ppipe->pipe_state |= PIPE_EOF;  in pipeclose()
1763 	if ((rpipe->pipe_state & PIPE_EOF) != 0 &&  in filt_piperead()
1787 		if (wpipe->pipe_state & PIPE_DIRECTW) {  in filt_pipewrite()
1798 	    (wpipe->pipe_state & PIPE_EOF)) {  in filt_pipewrite()