EVENTHANDLER_DECLARE
EVENTHANDLER_DECLARE(ifaddr_event, ifaddr_event_handler_t);
EVENTHANDLER_DECLARE(ifnet_arrival_event, ifnet_arrival_event_handler_t);
EVENTHANDLER_DECLARE(ifnet_departure_event, ifnet_departure_event_handler_t);
EVENTHANDLER_DECLARE(shutdown_pre_sync, shutdown_fn); /* before fs sync */
EVENTHANDLER_DECLARE(shutdown_post_sync, shutdown_fn); /* after fs sync */
EVENTHANDLER_DECLARE(shutdown_final, shutdown_fn);
EVENTHANDLER_DECLARE(vm_lowmem, vm_lowmem_handler_t);
EVENTHANDLER_DECLARE(process_exit, exitlist_fn);
EVENTHANDLER_DECLARE(process_fork, forklist_fn);
EVENTHANDLER_DECLARE(process_exec, execlist_fn);
EVENTHANDLER_DECLARE(nmbclusters_change, uma_zone_chfn);
EVENTHANDLER_DECLARE(maxsockets_change, uma_zone_chfn);