Add CTF-IR visitor interface

[babeltrace.git] / include / babeltrace / ctf-ir / stream-class.h

diff --git a/include/babeltrace/ctf-ir/stream-class.h b/include/babeltrace/ctf-ir/stream-class.h
index 433fc563ba54be17ae3d5de2ceeeae697abf9d58..bc1ece1dc6a6cc93d24d8a8dd6fee53f7700f5a6 100644 (file)
--- a/include/babeltrace/ctf-ir/stream-class.h
+++ b/include/babeltrace/ctf-ir/stream-class.h
@@ -31,6 +31,7 @@
  */
 
 #include <stdint.h>
+#include <babeltrace/ctf-ir/visitor.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -271,6 +272,20 @@ extern int bt_ctf_stream_class_set_event_context_type(
                struct bt_ctf_stream_class *stream_class,
                struct bt_ctf_field_type *event_context_type);
 
+/*
+ * bt_ctf_stream_class_visit: visit a stream class' event classes.
+ *
+ * Call visitor on each of a stream class' event classes.
+ *
+ * @param stream_class Stream class instance.
+ * @param visitor visitor function to invoke for each stream class.
+ * @param data user data passed to the visitor.
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_stream_class_visit(struct bt_ctf_stream_class *stream_class,
+               bt_ctf_ir_visitor visitor, void *data);
+
 #ifdef __cplusplus
 }
 #endif