rust/tests/run-pass/concurrency/barrier.rs
2020-05-25 00:02:54 +02:00

27 lines
733 B
Rust

// ignore-windows: Concurrency on Windows is not supported yet.
//! Check if Rust barriers are working.
use std::sync::{Arc, Barrier};
use std::thread;
/// This test is taken from the Rust documentation.
fn main() {
let mut handles = Vec::with_capacity(10);
let barrier = Arc::new(Barrier::new(10));
for _ in 0..10 {
let c = barrier.clone();
// The same messages will be printed together.
// You will NOT see any interleaving.
handles.push(thread::spawn(move|| {
println!("before wait");
c.wait();
println!("after wait");
}));
}
// Wait for other threads to finish.
for handle in handles {
handle.join().unwrap();
}
}