X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=include%2Fbabeltrace%2Fctf-ir%2Fevent.h;h=948747a929a3d1b9d7359d0cbdba1e84e894c4d9;hb=f655a84dcc6d5f38206e8ed083e5ea4007032486;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..948747a9 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 +275,32 @@ 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_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.