X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=include%2Fbabeltrace%2Fctf-ir%2Fevent.h;h=c6b30960cb6a023eda08c46d10f0be1f52a59592;hb=9f476966aa40bd0de2cd0654623ea03f8a3254eb;hp=fcf82629fec85ef5da46fdfe3aa479f643594564;hpb=25faeb22290bacf0913c3179ab9fe846e8786042;p=babeltrace.git

diff --git a/include/babeltrace/ctf-ir/event.h b/include/babeltrace/ctf-ir/event.h
index fcf82629..c6b30960 100644
--- a/include/babeltrace/ctf-ir/event.h
+++ b/include/babeltrace/ctf-ir/event.h
@@ -156,6 +156,28 @@ extern int bt_ctf_event_class_get_field(struct bt_ctf_event_class *event_class,
 extern struct bt_ctf_field_type *bt_ctf_event_class_get_field_by_name(
 		struct bt_ctf_event_class *event_class, const char *name);
 
+/*
+ * bt_ctf_event_class_get_context_type: Get an event class's context type
+ *
+ * @param event_class Event class.
+ *
+ * Returns a field type (a structure) on success, NULL on error.
+ */
+extern struct bt_ctf_field_type *bt_ctf_event_class_get_context_type(
+		struct bt_ctf_event_class *event_class);
+
+/*
+ * bt_ctf_event_class_set_context_type: Set an event class's context type
+ *
+ * @param event_class Event class.
+ * @param context Event context field type (must be a structure).
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_event_class_set_context_type(
+		struct bt_ctf_event_class *event_class,
+		struct bt_ctf_field_type *context);
+
 /*
  * bt_ctf_event_class_get and bt_ctf_event_class_put: increment and decrement
  * the event class' reference count.
@@ -253,6 +275,57 @@ extern int bt_ctf_event_set_payload(struct bt_ctf_event *event,
 extern struct bt_ctf_field *bt_ctf_event_get_payload_by_index(
 		struct bt_ctf_event *event, int index);
 
+/*
+ * bt_ctf_event_get_header: get an event's header.
+ *
+ * @param event Event instance.
+ *
+ * Returns a field instance on success, NULL on error.
+ */
+extern struct bt_ctf_field *bt_ctf_event_get_header(
+		struct bt_ctf_event *event);
+
+/*
+ * bt_ctf_event_set_header: set an event's header.
+ *
+ * The event header's type must match the stream class' event
+ * header type.
+ *
+ * @param event Event instance.
+ * @param header Event header field instance.
+ *
+ * Returns a field instance on success, NULL on error.
+ */
+extern int bt_ctf_event_set_header(
+		struct bt_ctf_event *event,
+		struct bt_ctf_field *header);
+
+/*
+ * bt_ctf_event_get_event_context: Get an event's context
+ *
+ * @param event_class Event class.
+ *
+ * Returns a field on success (a structure), NULL on error.
+ *
+ * Note: This function is named this way instead of the expected
+ * "bt_ctf_event_get_context" in order to work around a name clash with
+ * an unrelated function bearing this name in context.h.
+ */
+extern struct bt_ctf_field *bt_ctf_event_get_event_context(
+		struct bt_ctf_event *event);
+
+/*
+ * bt_ctf_event_set_event_context: Set an event's context
+ *
+ * @param event Event.
+ * @param context Event context field (must match the event class'
+ * 	context type).
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_event_set_event_context(struct bt_ctf_event *event,
+		struct bt_ctf_field *context);
+
 /*
  * bt_ctf_event_get and bt_ctf_event_put: increment and decrement
  * the event's reference count.