pub fn spawn_timeout<F>(
cb: &'static F,
wait_time: Duration,
) -> Box<dyn Fn() + Send + 'static>Examples found in repository?
examples/basic.rs (line 8)
7fn main() {
8 let cancel = spawn_timeout::spawn_timeout(&on_timeout, Duration::from_secs(3));
9 let _ = spawn_timeout::spawn_timeout(&on_timeout, Duration::from_secs(3));
10
11 // Waiting before cancelling this instance of spawn_timeout.
12 thread::sleep(Duration::from_millis(1500));
13
14 cancel();
15
16 println!("The first instance of spawn_timeout has been succesfully stopped");
17
18 // Sleeping for a long time for the sake of this example.
19 thread::sleep(Duration::from_millis(u64::MAX));
20}More examples
examples/inner_function.rs (line 12)
3fn main() {
4 let on_timeout = || {
5 println!("timeout!");
6 };
7
8 // Leaking this inner function to make its lifetime as 'static.
9 // https://doc.rust-lang.org/std/boxed/struct.Box.html#method.leak
10 let static_on_timeout = Box::leak(Box::new(on_timeout));
11
12 let cancel = spawn_timeout::spawn_timeout(static_on_timeout, Duration::from_secs(3));
13 let _ = spawn_timeout::spawn_timeout(static_on_timeout, Duration::from_secs(3));
14
15 // Waiting before cancelling this instance of spawn_timeout.
16 thread::sleep(Duration::from_millis(1500));
17
18 cancel();
19
20 println!("The first instance of spawn_timeout has been succesfully stopped");
21
22 // Sleeping for a long time for the sake of this example.
23 thread::sleep(Duration::from_millis(u64::MAX));
24}examples/capturing_inner_function.rs (line 29)
7fn main() {
8 // The data shared with the given callback has to be thread-safe.
9 // https://doc.rust-lang.org/nomicon/send-and-sync.html
10 let counter = Arc::new(Mutex::new(2));
11 let cancel_first_option: Arc<Mutex<Option<Box<dyn Fn() + Send + 'static>>>> =
12 Arc::new(Mutex::new(None));
13 let cancel_first_option_clone = cancel_first_option.clone();
14
15 let on_timeout = move || {
16 let mut c = counter.lock().unwrap();
17 *c -= 1;
18 println!("{}", c);
19 if *c == 0 {
20 cancel_first_option_clone.lock().unwrap().as_ref().unwrap()();
21 println!("The first instance of spawn_timeout has been succesfully stopped");
22 }
23 };
24
25 // Leaking this inner function to make its lifetime as 'static.
26 // https://doc.rust-lang.org/std/boxed/struct.Box.html#method.leak
27 let static_on_timeout = Box::leak(Box::new(on_timeout));
28
29 let cancel_first = spawn_timeout::spawn_timeout(static_on_timeout, Duration::from_secs(3));
30 let _ = spawn_timeout::spawn_timeout(static_on_timeout, Duration::from_secs(2));
31 let _ = spawn_timeout::spawn_timeout(static_on_timeout, Duration::from_secs(1));
32
33 *cancel_first_option.lock().unwrap() = Some(cancel_first);
34
35 // Sleeping for a long time for the sake of this example.
36 thread::sleep(Duration::from_millis(u64::MAX));
37}