diff --git a/include/osmocom/core/signal.h b/include/osmocom/core/signal.h
index b3a5aae..19a2688 100644
--- a/include/osmocom/core/signal.h
+++ b/include/osmocom/core/signal.h
@@ -19,6 +19,7 @@
 	SS_L_GLOBAL		= OSMO_SIGNAL_SS_RESERVED,
 	SS_L_INPUT,
 	SS_L_NS,
+	SS_L_VTY,
 };
 
 /* application-defined signal types. */
diff --git a/include/osmocom/vty/vty.h b/include/osmocom/vty/vty.h
index e656abf..ea987bf 100644
--- a/include/osmocom/vty/vty.h
+++ b/include/osmocom/vty/vty.h
@@ -190,6 +190,20 @@
 extern struct cmd_element cfg_description_cmd;
 extern struct cmd_element cfg_no_description_cmd;
 
+
+/**
+ * signal handling
+ */
+enum signal_vty {
+	S_VTY_EVENT,
+};
+
+struct vty_signal_data {
+	enum event event;
+	int sock;
+	struct vty *vty;
+};
+
 /*! @} */
 
 #endif