+int bus_unit_append_cgroup_attrs(DBusMessageIter *i, const char *property, void *data) {
+ Unit *u = data;
+ CGroupAttribute *a;
+ DBusMessageIter sub, sub2;
+
+ if (!dbus_message_iter_open_container(i, DBUS_TYPE_ARRAY, "(sss)", &sub))
+ return -ENOMEM;
+
+ LIST_FOREACH(by_unit, a, u->meta.cgroup_attributes) {
+ char *v = NULL;
+ bool success;
+
+ if (a->map_callback)
+ a->map_callback(a->controller, a->name, a->value, &v);
+
+ success =
+ dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2) &&
+ dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &a->controller) &&
+ dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &a->name) &&
+ dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, v ? &v : &a->value) &&
+ dbus_message_iter_close_container(&sub, &sub2);
+
+ free(v);
+
+ if (!success)
+ return -ENOMEM;
+ }
+
+ if (!dbus_message_iter_close_container(i, &sub))
+ return -ENOMEM;
+
+ return 0;
+}
+
+int bus_unit_append_need_daemon_reload(DBusMessageIter *i, const char *property, void *data) {
+ Unit *u = data;
+ dbus_bool_t b;
+
+ assert(i);
+ assert(property);
+ assert(u);
+
+ b = unit_need_daemon_reload(u);
+
+ if (!dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &b))
+ return -ENOMEM;
+
+ return 0;
+}
+
+int bus_unit_append_load_error(DBusMessageIter *i, const char *property, void *data) {
+ Unit *u = data;
+ const char *name, *message;
+ DBusMessageIter sub;
+
+ assert(i);
+ assert(property);
+ assert(u);
+
+ if (u->meta.load_error != 0) {
+ name = bus_errno_to_dbus(u->meta.load_error);
+ message = strempty(strerror(-u->meta.load_error));
+ } else
+ name = message = "";
+
+ if (!dbus_message_iter_open_container(i, DBUS_TYPE_STRUCT, NULL, &sub) ||
+ !dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &name) ||
+ !dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &message) ||
+ !dbus_message_iter_close_container(i, &sub))
+ return -ENOMEM;
+
+ return 0;
+}
+