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-rw-r--r--include/linux/notifier.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/notifier.h b/include/linux/notifier.h
index 6ec7e21a3699..0c40cc0b4a36 100644
--- a/include/linux/notifier.h
+++ b/include/linux/notifier.h
@@ -242,5 +242,11 @@ static inline int notifier_to_errno(int ret)
extern struct blocking_notifier_head reboot_notifier_list;
+/* Virtual Terminal events. */
+#define VT_ALLOCATE 0x0001 /* Console got allocated */
+#define VT_DEALLOCATE 0x0002 /* Console will be deallocated */
+#define VT_WRITE 0x0003 /* A char got output */
+#define VT_UPDATE 0x0004 /* A bigger update occurred */
+
#endif /* __KERNEL__ */
#endif /* _LINUX_NOTIFIER_H */