nushell/src/signals.rs

use std::sync::{
    atomic::{AtomicBool, Ordering},
    Arc,
};

use nu_protocol::engine::EngineState;

pub(crate) fn ctrlc_protection(engine_state: &mut EngineState, ctrlc: &Arc<AtomicBool>) {
    let handler_ctrlc = ctrlc.clone();
    let engine_state_ctrlc = ctrlc.clone();

    ctrlc::set_handler(move || {
        handler_ctrlc.store(true, Ordering::SeqCst);
    })
    .expect("Error setting Ctrl-C handler");

    engine_state.ctrlc = Some(engine_state_ctrlc);
}