ir: add weak reference to parent stream to bt_ctf_event

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

diff --git a/include/babeltrace/ctf-ir/event-internal.h b/include/babeltrace/ctf-ir/event-internal.h
index 171e7c78474ba91d3b1e5a8b836ad91de18295b7..2a172a94589d33e9970ad439b73e3b6f14573cb5 100644 (file)
--- a/include/babeltrace/ctf-ir/event-internal.h
+++ b/include/babeltrace/ctf-ir/event-internal.h
@@ -33,6 +33,8 @@
 #include <babeltrace/babeltrace-internal.h>
 #include <babeltrace/objects.h>
 #include <babeltrace/ctf/types.h>
+#include <babeltrace/ctf-ir/stream-class.h>
+#include <babeltrace/ctf-ir/stream.h>
 #include <glib.h>
 
 #define BT_CTF_EVENT_CLASS_ATTR_ID_INDEX       0
@@ -41,7 +43,10 @@
 struct bt_ctf_event_class {
        struct bt_ctf_ref ref_count;
        struct bt_object *attributes;
-       /* An event class does not have ownership of a stream class */
+       /*
+        * Weak reference; an event class does not have ownership of a
+        * stream class.
+        */
        struct bt_ctf_stream_class *stream_class;
        /* Structure type containing the event's context */
        struct bt_ctf_field_type *context;
@@ -53,6 +58,8 @@ struct bt_ctf_event_class {
 struct bt_ctf_event {
        struct bt_ctf_ref ref_count;
        struct bt_ctf_event_class *event_class;
+       /* Weak reference; an event does not have ownership of a stream */
+       struct bt_ctf_stream *stream;
        struct bt_ctf_field *event_header;
        struct bt_ctf_field *context_payload;
        struct bt_ctf_field *fields_payload;
@@ -81,6 +88,10 @@ BT_HIDDEN
 int bt_ctf_event_serialize(struct bt_ctf_event *event,
                struct ctf_stream_pos *pos);
 
+BT_HIDDEN
+int bt_ctf_event_set_stream(struct bt_ctf_event *event,
+               struct bt_ctf_stream *stream);
+
 /*
  * Attempt to populate the "id" and "timestamp" fields of the event header if
  * they are present, unset and their types are integers.