2 files changed, 12 insertions, 0 deletions

diff --git a/sys/dev/evdev/evdev.c b/sys/dev/evdev/evdev.c
index 2fd7c2e201ea..a0a039f0b691 100644
--- a/sys/dev/evdev/evdev.c
+++ b/sys/dev/evdev/evdev.c
@@ -1094,6 +1094,17 @@ evdev_release_client(struct evdev_dev *evdev, struct evdev_client *client)
 	return (0);
 }
 
+bool
+evdev_is_grabbed(struct evdev_dev *evdev)
+{
+	/*
+	 * The function is intended to be called from evdev-unrelated parts of
+	 * code like syscons-compatible parts of mouse and keyboard drivers.
+	 * That makes unlocked read-only access acceptable.
+	 */
+	return (evdev->ev_grabber != NULL);
+}
+
 static void
 evdev_repeat_callout(void *arg)
 {
diff --git a/sys/dev/evdev/evdev.h b/sys/dev/evdev/evdev.h
index 90bea09b70c9..892e6b1bc071 100644
--- a/sys/dev/evdev/evdev.h
+++ b/sys/dev/evdev/evdev.h
@@ -154,6 +154,7 @@ void evdev_set_repeat_params(struct evdev_dev *, uint16_t, int);
 int evdev_set_report_size(struct evdev_dev *, size_t);
 void evdev_set_flag(struct evdev_dev *, uint16_t);
 void *evdev_get_softc(struct evdev_dev *);
+bool evdev_is_grabbed(struct evdev_dev *);
 
 /* Multitouch related functions: */
 int evdev_mt_id_to_slot(struct evdev_dev *, int32_t);