+ ret_code = lttng_error_query_execute(
+ query, lttng_session_daemon_command_endpoint, results);
+ if (ret_code != LTTNG_OK) {
+ enum lttng_trigger_status trigger_status;
+ const char *trigger_name;
+ uid_t trigger_uid;
+
+ trigger_status = lttng_trigger_get_name(trigger, &trigger_name);
+ assert(trigger_status == LTTNG_TRIGGER_STATUS_OK);
+
+ trigger_status = lttng_trigger_get_owner_uid(
+ trigger, &trigger_uid);
+ assert(trigger_status == LTTNG_TRIGGER_STATUS_OK);
+
+ ERR("Failed to query errors of of condition for condition of trigger '%s' (owner uid: %d): %s",
+ trigger_name, (int) trigger_uid,
+ lttng_strerror(-ret_code));
+ }
+
+ lttng_error_query_destroy(query);
+ return ret_code;
+}
+
+int cmd_list_triggers(int argc, const char **argv)
+{
+ int ret;
+ struct argpar_iter *argpar_iter = NULL;
+ const struct argpar_item *argpar_item = NULL;
+ struct lttng_triggers *triggers = NULL;
+ struct mi_writer *mi_writer = NULL;
+
+ argc--;
+ argv++;
+
+ argpar_iter = argpar_iter_create(argc, argv, list_trigger_options);
+ if (!argpar_iter) {
+ ERR("Failed to allocate an argpar iter.");
+ goto error;
+ }
+
+ while (true) {
+ enum parse_next_item_status status;
+
+ status = parse_next_item(argpar_iter, &argpar_item, 1, argv,
+ true, NULL, NULL);
+ if (status == PARSE_NEXT_ITEM_STATUS_ERROR ||
+ status == PARSE_NEXT_ITEM_STATUS_ERROR_MEMORY) {
+ goto error;
+ } else if (status == PARSE_NEXT_ITEM_STATUS_END) {
+ break;
+ }
+
+ assert(status == PARSE_NEXT_ITEM_STATUS_OK);
+
+ if (argpar_item_type(argpar_item) == ARGPAR_ITEM_TYPE_OPT) {
+ const struct argpar_opt_descr *descr =
+ argpar_item_opt_descr(argpar_item);
+
+ switch (descr->id) {
+ case OPT_HELP:
+ SHOW_HELP();
+ ret = 0;
+ goto end;
+
+ case OPT_LIST_OPTIONS:
+ list_cmd_options_argpar(
+ stdout, list_trigger_options);
+ ret = 0;
+ goto end;
+
+ default:
+ abort();
+ }
+
+ } else {
+ ERR("Unexpected argument: %s",
+ argpar_item_non_opt_arg(argpar_item));
+ }
+ }
+
+ ret = lttng_list_triggers(&triggers);
+ if (ret != LTTNG_OK) {
+ ERR("Error listing triggers: %s.", lttng_strerror(-ret));
+ goto error;
+ }
+
+ if (lttng_opt_mi) {
+ mi_writer = mi_lttng_writer_create(
+ fileno(stdout), lttng_opt_mi);
+ if (!mi_writer) {
+ ret = CMD_ERROR;
+ goto end;
+ }
+
+ /* Open command element. */
+ ret = mi_lttng_writer_command_open(mi_writer,
+ mi_lttng_element_command_list_trigger);
+ if (ret) {
+ ret = CMD_ERROR;
+ goto end;
+ }
+
+ /* Open output element. */
+ ret = mi_lttng_writer_open_element(
+ mi_writer, mi_lttng_element_command_output);
+ if (ret) {
+ ret = CMD_ERROR;
+ goto end;
+ }
+ }
+
+ if (lttng_opt_mi) {
+ const struct mi_lttng_error_query_callbacks callbacks = {
+ .trigger_cb = mi_error_query_trigger_callback,
+ .action_cb = mi_error_query_action_callback,
+ .condition_cb = mi_error_query_condition_callback,
+ };
+
+ ret = lttng_triggers_mi_serialize(
+ triggers, mi_writer, &callbacks);
+ if (ret != LTTNG_OK) {
+ ERR("Error printing MI triggers: %s.",
+ lttng_strerror(-ret));
+ goto error;
+ }
+ } else {
+ ret = print_sorted_triggers(triggers);
+ if (ret) {
+ ERR("Error printing triggers");
+ goto error;
+ }
+ }
+
+ /* Mi closing. */
+ if (lttng_opt_mi) {
+ /* Close output element. */
+ ret = mi_lttng_writer_close_element(mi_writer);
+ if (ret) {
+ ret = CMD_ERROR;
+ goto end;
+ }
+
+ /* Command element close. */
+ ret = mi_lttng_writer_command_close(mi_writer);
+ if (ret) {
+ ret = CMD_ERROR;
+ goto end;
+ }
+ }
+
+ ret = 0;
+ goto end;
+
+error:
+ ret = 1;
+
+end:
+ argpar_item_destroy(argpar_item);
+ argpar_iter_destroy(argpar_iter);
+ lttng_triggers_destroy(triggers);
+ /* Mi clean-up. */
+ if (mi_writer && mi_lttng_writer_destroy(mi_writer)) {
+ /* Preserve original error code. */
+ ret = ret ? ret : CMD_ERROR;
+ }