watchdog.rs

use std::{thread, time};

fn watchdog<F, T>(f: F) -> ()
    where
        F: Send + 'static + Fn() -> T,
        T: Send + 'static
{
    thread::spawn(move||{
        loop {
            let handle = thread::spawn(f);

            match handle.join() {
                Ok(_) => { println!("thread finished") }
                Err(_) => { println!("thread panicked") }
            }
        }
    });

}

fn main() {
    watchdog(
        move||{
            thread::sleep(time::Duration::from_millis(1000));
        }
    );
    thread::sleep(time::Duration::from_millis(10000000));
}