PHP_PG_ASYNC_REQUEST_CANCEL 4616 ext/pgsql/pgsql.c case PHP_PG_ASYNC_REQUEST_CANCEL: PHP_PG_ASYNC_REQUEST_CANCEL 4638 ext/pgsql/pgsql.c php_pgsql_do_async(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_PG_ASYNC_REQUEST_CANCEL);