lib: message API: add fast default clock class accessors

[babeltrace.git] / lib / graph / message / stream-activity.c

diff --git a/lib/graph/message/stream-activity.c b/lib/graph/message/stream-activity.c
index ccbe240a812a938ca6ae09ebe1df5ead54195b72..dbf88645ae0a29ff4ba76f3ddc90b20027328404 100644 (file)
--- a/lib/graph/message/stream-activity.c
+++ b/lib/graph/message/stream-activity.c
@@ -269,3 +269,35 @@ void bt_message_stream_activity_end_set_default_clock_snapshot_state(
                BT_MESSAGE_TYPE_STREAM_ACTIVITY_END);
        set_stream_activity_message_default_clock_snapshot_state(msg, state);
 }
+
+static inline
+const struct bt_clock_class *
+borrow_stream_activity_message_stream_class_default_clock_class(
+               const struct bt_message *msg)
+{
+       struct bt_message_stream_activity *stream_act_msg = (void *) msg;
+
+       BT_ASSERT(msg);
+       return stream_act_msg->stream->class->default_clock_class;
+}
+
+const struct bt_clock_class *
+bt_message_stream_activity_beginning_borrow_stream_class_default_clock_class_const(
+               const struct bt_message *msg)
+{
+       BT_ASSERT_PRE_NON_NULL(msg, "Message");
+       BT_ASSERT_PRE_MSG_IS_TYPE(msg,
+               BT_MESSAGE_TYPE_STREAM_ACTIVITY_BEGINNING);
+       return borrow_stream_activity_message_stream_class_default_clock_class(
+               msg);
+}
+
+const struct bt_clock_class *
+bt_message_stream_activity_end_borrow_stream_class_default_clock_class_const(
+               const struct bt_message *msg)
+{
+       BT_ASSERT_PRE_NON_NULL(msg, "Message");
+       BT_ASSERT_PRE_MSG_IS_TYPE(msg, BT_MESSAGE_TYPE_STREAM_ACTIVITY_END);
+       return borrow_stream_activity_message_stream_class_default_clock_class(
+               msg);
+}