datafusion-server 0.21.0

Web server library for session-based queries using Arrow and other large datasets as data sources.
Documentation 
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// signal_handler.rs

use tokio::signal;

pub async fn register_shutdown_signal() {
    let ctrl_c = async {
        signal::ctrl_c()
            .await
            .expect("failed to install CTRL+C handler");
    };

    #[cfg(unix)]
    let terminate = async {
        signal::unix::signal(signal::unix::SignalKind::terminate())
            .expect("failed to install signal handler")
            .recv()
            .await;
    };

    #[cfg(not(unix))]
    let terminate = std::future::pending::<()>();

    tokio::select! {
        () = ctrl_c => {},
        () = terminate => {},
    }

    log::debug!("signal received, starting graceful shutdown");
}