+ server->io_wait_count.timeouts++;
+ return memcached_set_error(*server, MEMCACHED_TIMEOUT, MEMCACHED_AT);
+ }
+
+ if (fds[0].revents & POLLERR or
+ fds[0].revents & POLLHUP or
+ fds[0].revents & POLLNVAL)
+ {
+ int err;
+ socklen_t len= sizeof (err);
+ if (getsockopt(fds[0].fd, SOL_SOCKET, SO_ERROR, &err, &len) == 0)
+ {
+ // We check the value to see what happened wth the socket.
+ if (err == 0)
+ {
+ return MEMCACHED_SUCCESS;
+ }
+ errno= err;