Mercurial > hg > Members > kono > rust-tutorial
annotate src/t16thread/src/racecondition.rs @ 7:8768d36c3b69
thread test
| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Tue, 12 Jan 2021 14:34:05 +0900 |
| parents | |
| children | 2c6285996268 |
| rev | line source |
|---|---|
| 7 | 1 use std::sync::Mutex; |
| 2 use std::thread; | |
| 3 pub fn mainr() { | |
| 4 let counter = Mutex::new(0); | |
| 5 let mut handles = vec![]; | |
| 6 for _ in 0..10 { | |
| 7 let handle = thread::spawn(move || { | |
| 8 let mut num = counter.lock().unwrap(); | |
| 9 | |
| 10 *num += 1; | |
| 11 }); | |
| 12 handles.push(handle); | |
| 13 } | |
| 14 | |
| 15 for handle in handles { | |
| 16 handle.join().unwrap(); | |
| 17 } | |
| 18 | |
| 19 println!("Result: {}", *counter.lock().unwrap()); | |
| 20 } |