libuv - event loop

do {
    uv__update_time(loop);
    uv__run_timers(loop);
    uv__run_idle(loop);
    uv__run_prepare(loop);
    uv__io_poll(loop, timeout);
    uv__run_check(loop);
    uv__run_closing_handles(loop);
} while (uv_loop_alive(loop))