mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-26 08:44:35 +00:00
27 lines
678 B
Rust
27 lines
678 B
Rust
//@ run-pass
|
|
#![allow(unused_must_use)]
|
|
//@ needs-threads
|
|
//@ pretty-expanded FIXME #23616
|
|
|
|
use std::sync::mpsc::{channel, Sender};
|
|
use std::thread;
|
|
|
|
fn start(tx: &Sender<isize>, i0: isize) {
|
|
let mut i = i0;
|
|
while i > 0 {
|
|
tx.send(0).unwrap();
|
|
i = i - 1;
|
|
}
|
|
}
|
|
|
|
pub fn main() {
|
|
// Spawn a thread that sends us back messages. The parent thread
|
|
// is likely to terminate before the child completes, so from
|
|
// the child's point of view the receiver may die. We should
|
|
// drop messages on the floor in this case, and not crash!
|
|
let (tx, rx) = channel();
|
|
let t = thread::spawn(move || start(&tx, 10));
|
|
rx.recv();
|
|
t.join();
|
|
}
|