lib: Add functions to borrow specialized component classes from specialized components

[babeltrace.git] / include / babeltrace / graph / component-source-const.h

diff --git a/include/babeltrace/graph/component-source-const.h b/include/babeltrace/graph/component-source-const.h
index 628f22dbf77b98a47d70ca2815e1a31c7ecd6f39..8604359abe048efb72e46f95f6b218a021a6fbe4 100644 (file)
--- a/include/babeltrace/graph/component-source-const.h
+++ b/include/babeltrace/graph/component-source-const.h
@@ -28,7 +28,7 @@
 
 /*
  * For bt_component, bt_component_filter, bt_port_output,
- * __BT_UPCAST_CONST
+ * __BT_UPCAST_CONST, bt_component_class_source
  */
 #include <babeltrace/types.h>
 
@@ -43,6 +43,10 @@ const bt_component *bt_component_source_as_component_const(
        return __BT_UPCAST_CONST(bt_component, component);
 }
 
+extern const bt_component_class_source *
+bt_component_source_borrow_class_const(
+               const bt_component_source *component);
+
 extern uint64_t bt_component_source_get_output_port_count(
                const bt_component_source *component);