Method signal_error

src/executor.rs:45–51

(&self, err: ParcodeError)

    W: Write + Send,
{
    fn signal_error(&self, err: ParcodeError) {
        let mut guard = self.error_capture.lock().unwrap_or_else(|p| p.into_inner());
        if guard.is_none() {
            *guard = Some(err);
            self.abort_flag.store(true, Ordering::SeqCst);
        }
    }

    fn should_abort(&self) -> bool {
        self.abort_flag.load(Ordering::Relaxed)