in flood_socket_keepalive.c [549:559]
apr_status_t keepalive_end_conn(socket_t *sock, request_t *req, response_t *resp)
{
keepalive_socket_t *ksock = (keepalive_socket_t *)sock;
if (resp->keepalive == 0) {
ksock_close_socket(ksock);
ksock->reopen_socket = 1; /* we just closed it */
}
return APR_SUCCESS;
}