#[cfg(unix)]
pub async fn wait_for_shutdown_signal() -> Result<(), std::io::Error> {
    use tokio::signal::unix::{signal, SignalKind};

    let mut terminate = signal(SignalKind::terminate())?;
    tokio::select! {
        _ = tokio::signal::ctrl_c() => Ok(()),
        _ = terminate.recv() => Ok(()),
    }
}

#[cfg(not(unix))]
pub async fn wait_for_shutdown_signal() -> Result<(), std::io::Error> {
    tokio::signal::ctrl_c().await
}