lib: make trace IR API const-correct

[babeltrace.git] / include / babeltrace / graph / notification-stream.h

diff --git a/include/babeltrace/graph/notification-stream.h b/include/babeltrace/graph/notification-stream.h
index d4a97dc356cfaca98ee556b889da9b701318e006..2dea094cf790135b9dc74cb7dd2fecf0d5f270de 100644 (file)
--- a/include/babeltrace/graph/notification-stream.h
+++ b/include/babeltrace/graph/notification-stream.h
@@ -34,16 +34,18 @@ struct bt_self_notification_iterator;
 struct bt_clock_value;
 struct bt_stream;
 
-extern struct bt_stream *bt_notification_stream_begin_borrow_stream(
+extern const struct bt_stream *bt_notification_stream_begin_borrow_stream(
                struct bt_notification *notification);
 
-extern struct bt_clock_value *bt_notification_stream_begin_borrow_default_clock_value(
+extern const struct bt_clock_value *
+bt_notification_stream_begin_borrow_default_clock_value(
                struct bt_notification *notif);
 
-extern struct bt_stream *bt_notification_stream_end_borrow_stream(
+extern const struct bt_stream *bt_notification_stream_end_borrow_stream(
                struct bt_notification *notification);
 
-extern struct bt_clock_value *bt_notification_stream_end_borrow_default_clock_value(
+extern const struct bt_clock_value *
+bt_notification_stream_end_borrow_default_clock_value(
                struct bt_notification *notif);
 
 #ifdef __cplusplus