ir: add weak reference to parent trace to bt_ctf_stream_class

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

diff --git a/include/babeltrace/ctf-ir/stream-class-internal.h b/include/babeltrace/ctf-ir/stream-class-internal.h
index 8301fea019cdd7353c0421afe95102552c583eda..3b368d1de2230bb26619b7a8763f09a052319af2 100644 (file)
--- a/include/babeltrace/ctf-ir/stream-class-internal.h
+++ b/include/babeltrace/ctf-ir/stream-class-internal.h
@@ -31,6 +31,7 @@
 #include <babeltrace/ctf-writer/clock.h>
 #include <babeltrace/ctf-writer/event-fields.h>
 #include <babeltrace/ctf-writer/event-types.h>
+#include <babeltrace/ctf-ir/trace.h>
 #include <babeltrace/babeltrace-internal.h>
 #include <babeltrace/ctf/types.h>
 #include <glib.h>
@@ -44,6 +45,8 @@ struct bt_ctf_stream_class {
        uint32_t id;
        uint32_t next_event_id;
        uint32_t next_stream_id;
+       /* Weak reference; a stream class does not have ownership of a trace */
+       struct bt_ctf_trace *trace;
        struct bt_ctf_field_type *packet_context_type;
        struct bt_ctf_field_type *event_header_type;
        struct bt_ctf_field_type *event_context_type;
@@ -67,4 +70,8 @@ BT_HIDDEN
 int _bt_ctf_stream_class_set_id(struct bt_ctf_stream_class *stream_class,
                uint32_t id);
 
+BT_HIDDEN
+int bt_ctf_stream_class_set_trace(struct bt_ctf_stream_class *stream_class,
+               struct bt_ctf_trace *trace);
+
 #endif /* BABELTRACE_CTF_IR_STREAM_CLASS_INTERNAL_H */