+}
+
+static
+long lttng_event_notifier_group_cmd(int objd, unsigned int cmd, unsigned long arg,
+ union ust_args *uargs, void *owner)
+{
+ switch (cmd) {
+ case LTTNG_UST_EVENT_NOTIFIER_CREATE:
+ {
+ struct lttng_ust_event_notifier *event_notifier_param =
+ (struct lttng_ust_event_notifier *) arg;
+ if (strutils_is_star_glob_pattern(event_notifier_param->event.name)) {
+ /*
+ * If the event name is a star globbing pattern,
+ * we create the special star globbing enabler.
+ */
+ return lttng_ust_event_notifier_enabler_create(objd,
+ owner, event_notifier_param,
+ LTTNG_ENABLER_FORMAT_STAR_GLOB);
+ } else {
+ return lttng_ust_event_notifier_enabler_create(objd,
+ owner, event_notifier_param,
+ LTTNG_ENABLER_FORMAT_EVENT);
+ }
+ }
+ default:
+ return -EINVAL;
+ }
+}
+
+static
+int lttng_event_notifier_enabler_release(int objd)
+{
+ struct lttng_event_notifier_enabler *event_notifier_enabler = objd_private(objd);
+
+ if (event_notifier_enabler)
+ return lttng_ust_objd_unref(event_notifier_enabler->group->objd, 0);
+ return 0;
+}
+
+static const struct lttng_ust_objd_ops lttng_event_notifier_enabler_ops = {
+ .release = lttng_event_notifier_enabler_release,
+ .cmd = lttng_event_notifier_enabler_cmd,
+};
+
+static
+int lttng_release_event_notifier_group(int objd)
+{
+ struct lttng_event_notifier_group *event_notifier_group = objd_private(objd);
+
+ if (event_notifier_group) {
+ lttng_event_notifier_group_destroy(event_notifier_group);
+ return 0;