bt2: report errors from Python component and component class callbacks

[babeltrace.git] / include / babeltrace2 / graph / self-component-class-sink.h

diff --git a/include/babeltrace2/graph/self-component-class-sink.h b/include/babeltrace2/graph/self-component-class-sink.h
index e06c6b6f2b7095e0b5bf0be1e5361c53ea298653..00f6841c0b3f5d1ce198f01f3a1403822dd4fac4 100644 (file)
--- a/include/babeltrace2/graph/self-component-class-sink.h
+++ b/include/babeltrace2/graph/self-component-class-sink.h
@@ -2,8 +2,7 @@
 #define BABELTRACE2_GRAPH_SELF_COMPONENT_CLASS_SINK_H
 
 /*
- * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
- * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ * Copyright (c) 2010-2019 EfficiOS Inc. and Linux Foundation
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -24,10 +23,10 @@
  * SOFTWARE.
  */
 
-/*
- * For bt_component_class_sink, bt_self_component_class_sink,
- * __BT_UPCAST_CONST
- */
+#ifndef __BT_IN_BABELTRACE_H
+# error "Please include <babeltrace2/babeltrace.h> instead."
+#endif
+
 #include <babeltrace2/types.h>
 
 #ifdef __cplusplus
@@ -42,6 +41,14 @@ bt_self_component_class_sink_as_component_class_sink(
        return __BT_UPCAST_CONST(bt_component_class_sink, self_comp_cls_sink);
 }
 
+static inline
+bt_self_component_class*
+bt_self_component_class_sink_as_self_component_class(
+               bt_self_component_class_sink *self_comp_cls_sink)
+{
+       return __BT_UPCAST(bt_self_component_class, self_comp_cls_sink);
+}
+
 #ifdef __cplusplus
 }
 #endif