lib: message API: add fast default clock class accessors

[babeltrace.git] / lib / graph / message / event.c

diff --git a/lib/graph/message/event.c b/lib/graph/message/event.c
index e79eb3de9d58702980780dd5e453bf626d528c8f..33e423e1ed1e6da34449df8b20da3cd5e4211420 100644 (file)
--- a/lib/graph/message/event.c
+++ b/lib/graph/message/event.c
@@ -47,7 +47,7 @@ static inline bool event_class_has_trace(struct bt_event_class *event_class)
 {
        struct bt_stream_class *stream_class;
 
-       stream_class = bt_event_class_borrow_stream_class(event_class);
+       stream_class = bt_event_class_borrow_stream_class_inline(event_class);
        BT_ASSERT(stream_class);
        return bt_stream_class_borrow_trace_class(stream_class) != NULL;
 }
@@ -265,8 +265,7 @@ bt_message_event_borrow_default_clock_snapshot_const(
 
        BT_ASSERT_PRE_NON_NULL(msg, "Message");
        BT_ASSERT_PRE_MSG_IS_TYPE(msg, BT_MESSAGE_TYPE_EVENT);
-       BT_ASSERT(msg);
-       stream_class = bt_event_class_borrow_stream_class(
+       stream_class = bt_event_class_borrow_stream_class_inline(
                event_msg->event->class);
        BT_ASSERT(stream_class);
        BT_ASSERT_PRE(stream_class->default_clock_class,
@@ -276,3 +275,18 @@ bt_message_event_borrow_default_clock_snapshot_const(
        *snapshot = event_msg->default_cs;
        return BT_CLOCK_SNAPSHOT_STATE_KNOWN;
 }
+
+const bt_clock_class *
+bt_message_event_borrow_stream_class_default_clock_class_const(
+               const bt_message *msg)
+{
+       struct bt_message_event *event_msg = (void *) msg;
+       struct bt_stream_class *stream_class;
+
+       BT_ASSERT_PRE_NON_NULL(msg, "Message");
+       BT_ASSERT_PRE_MSG_IS_TYPE(msg, BT_MESSAGE_TYPE_EVENT);
+       stream_class = bt_event_class_borrow_stream_class_inline(
+               event_msg->event->class);
+       BT_ASSERT(stream_class);
+       return stream_class->default_clock_class;
+}