1 | #![warn (rust_2018_idioms)] |
2 | #![cfg (feature = "full" )] |
3 | #![cfg (unix)] |
4 | |
5 | mod support { |
6 | pub mod signal; |
7 | } |
8 | use support::signal::send_signal; |
9 | |
10 | use tokio::runtime::Runtime; |
11 | use tokio::signal::unix::{signal, SignalKind}; |
12 | |
13 | use std::sync::mpsc::channel; |
14 | use std::thread; |
15 | |
16 | #[test] |
17 | fn multi_loop() { |
18 | // An "ordinary" (non-future) channel |
19 | let (sender, receiver) = channel(); |
20 | // Run multiple times, to make sure there are no race conditions |
21 | for _ in 0..10 { |
22 | // Run multiple event loops, each one in its own thread |
23 | let threads: Vec<_> = (0..4) |
24 | .map(|_| { |
25 | let sender = sender.clone(); |
26 | thread::spawn(move || { |
27 | let rt = rt(); |
28 | let _ = rt.block_on(async { |
29 | let mut signal = signal(SignalKind::hangup()).unwrap(); |
30 | sender.send(()).unwrap(); |
31 | signal.recv().await |
32 | }); |
33 | }) |
34 | }) |
35 | .collect(); |
36 | // Wait for them to declare they're ready |
37 | for &_ in threads.iter() { |
38 | receiver.recv().unwrap(); |
39 | } |
40 | // Send a signal |
41 | send_signal(libc::SIGHUP); |
42 | // Make sure the threads terminated correctly |
43 | for t in threads { |
44 | t.join().unwrap(); |
45 | } |
46 | } |
47 | } |
48 | |
49 | fn rt() -> Runtime { |
50 | tokio::runtime::Builder::new_current_thread() |
51 | .enable_all() |
52 | .build() |
53 | .unwrap() |
54 | } |
55 | |