Extend kqueue down to the device layer.

Backwards compatible approach suggested by: peter

7 files changed, 21 insertions, 14 deletions

diff --git a/sys/i386/isa/cx.c b/sys/i386/isa/cx.c
index 094dc6f..1ec334b 100644
--- a/sys/i386/isa/cx.c
+++ b/sys/i386/isa/cx.c
@@ -100,8 +100,9 @@ struct cdevsw cx_cdevsw = {
 	/* maj */	CDEV_MAJOR,
 	/* dump */	nodump,
 	/* psize */	nopsize,
-	/* flags */	D_TTY,
-	/* bmaj */	-1
+	/* flags */	D_TTY | D_KQFILTER,
+	/* bmaj */	-1,
+	/* kqfilter */	ttykqfilter,
 };
 #else
 struct tty *cx_tty [NCX*NCHAN];         /* tty data */
diff --git a/sys/i386/isa/cy.c b/sys/i386/isa/cy.c
index 9a56e2d..7d7671d 100644
--- a/sys/i386/isa/cy.c
+++ b/sys/i386/isa/cy.c
@@ -405,8 +405,9 @@ static struct cdevsw sio_cdevsw = {
 	/* maj */	CDEV_MAJOR,
 	/* dump */	nodump,
 	/* psize */	nopsize,
-	/* flags */	D_TTY,
-	/* bmaj */	-1
+	/* flags */	D_TTY | D_KQFILTER,
+	/* bmaj */	-1,
+	/* kqfilter */	ttykqfilter,
 };
 
 static	int	comconsole = -1;
diff --git a/sys/i386/isa/istallion.c b/sys/i386/isa/istallion.c
index 61b7a50..41f66be 100644
--- a/sys/i386/isa/istallion.c
+++ b/sys/i386/isa/istallion.c
@@ -654,8 +654,9 @@ static struct cdevsw stli_cdevsw = {
 	/* maj */	CDEV_MAJOR,
 	/* dump */	nodump,
 	/* psize */	nopsize,
-	/* flags */	D_TTY,
-	/* bmaj */	-1
+	/* flags */	D_TTY | D_KQFILTER,
+	/* bmaj */	-1,
+	/* kqfilter */	ttykqfilter,
 };
 
 #endif
diff --git a/sys/i386/isa/pcvt/pcvt_drv.c b/sys/i386/isa/pcvt/pcvt_drv.c
index 74134bd..eddc14a 100644
--- a/sys/i386/isa/pcvt/pcvt_drv.c
+++ b/sys/i386/isa/pcvt/pcvt_drv.c
@@ -108,8 +108,9 @@ static struct cdevsw vt_cdevsw = {
 	/* maj */	CDEV_MAJOR,
 	/* dump */	nodump,
 	/* psize */	nopsize,
-	/* flags */	D_TTY,
-	/* bmaj */	-1
+	/* flags */	D_TTY | D_KQFILTER,
+	/* bmaj */	-1,
+	/* kqfilter */	ttykqfilter,
 };
 
 static int pcvt_probe(device_t dev);
diff --git a/sys/i386/isa/rc.c b/sys/i386/isa/rc.c
index a7e5ecb..6c1ca5d 100644
--- a/sys/i386/isa/rc.c
+++ b/sys/i386/isa/rc.c
@@ -107,8 +107,9 @@ static struct cdevsw rc_cdevsw = {
 	/* maj */	CDEV_MAJOR,
 	/* dump */	nodump,
 	/* psize */	nopsize,
-	/* flags */	D_TTY,
-	/* bmaj */	-1
+	/* flags */	D_TTY | D_KQFILTER,
+	/* bmaj */	-1,
+	/* kqfilter */	ttykqfilter,
 };
 
 /* Per-board structure */
diff --git a/sys/i386/isa/rp.c b/sys/i386/isa/rp.c
index 21c30cc..2740470 100644
--- a/sys/i386/isa/rp.c
+++ b/sys/i386/isa/rp.c
@@ -816,8 +816,9 @@ static struct cdevsw rp_cdevsw = {
 	/* maj */	CDEV_MAJOR,
 	/* dump */	nodump,
 	/* psize */	nopsize,
-	/* flags */	D_TTY,
-	/* bmaj */	-1
+	/* flags */	D_TTY | D_KQFILTER,
+	/* bmaj */	-1,
+	/* kqfilter */	ttykqfilter,
 };
 
 static int rp_controller_port = 0;
diff --git a/sys/i386/isa/stallion.c b/sys/i386/isa/stallion.c
index 73c2ce1..9a4ee7f 100644
--- a/sys/i386/isa/stallion.c
+++ b/sys/i386/isa/stallion.c
@@ -552,8 +552,9 @@ static struct cdevsw stl_cdevsw = {
 	/* maj */	CDEV_MAJOR,
 	/* dump */	nodump,
 	/* psize */	nopsize,
-	/* flags */	D_TTY,
-	/* bmaj */	-1
+	/* flags */	D_TTY | D_KQFILTER,
+	/* bmaj */	-1,
+	/* kqfilter */	ttykqfilter,
 };
 
 static void stl_drvinit(void *unused)