-static memcached_return_t ping_callback(const memcached_st *, const memcached_instance_st *instance, void *) {
- memcached_return_t rc;
-
- REQUIRE(libmemcached_util_ping(memcached_server_name(instance), memcached_server_port(instance), &rc));
- REQUIRE(rc == MEMCACHED_SUCCESS);
- return MEMCACHED_SUCCESS;
-}
-