| // Copyright 2012-2014 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| // ignore-emscripten no threads support |
| |
| #![feature(std_misc)] |
| #![allow(dead_assignment)] |
| |
| use std::sync::mpsc::{channel, Sender}; |
| use std::thread; |
| |
| pub fn main() { test00(); } |
| |
| fn test00_start(c: &Sender<isize>, start: isize, |
| number_of_messages: isize) { |
| let mut i: isize = 0; |
| while i < number_of_messages { c.send(start + i).unwrap(); i += 1; } |
| } |
| |
| fn test00() { |
| let mut r: isize = 0; |
| let mut sum: isize = 0; |
| let (tx, rx) = channel(); |
| let number_of_messages: isize = 10; |
| |
| let tx2 = tx.clone(); |
| let t1 = thread::spawn(move|| { |
| test00_start(&tx2, number_of_messages * 0, number_of_messages); |
| }); |
| let tx2 = tx.clone(); |
| let t2 = thread::spawn(move|| { |
| test00_start(&tx2, number_of_messages * 1, number_of_messages); |
| }); |
| let tx2 = tx.clone(); |
| let t3 = thread::spawn(move|| { |
| test00_start(&tx2, number_of_messages * 2, number_of_messages); |
| }); |
| let tx2 = tx.clone(); |
| let t4 = thread::spawn(move|| { |
| test00_start(&tx2, number_of_messages * 3, number_of_messages); |
| }); |
| |
| let mut i: isize = 0; |
| while i < number_of_messages { |
| r = rx.recv().unwrap(); |
| sum += r; |
| r = rx.recv().unwrap(); |
| sum += r; |
| r = rx.recv().unwrap(); |
| sum += r; |
| r = rx.recv().unwrap(); |
| sum += r; |
| i += 1; |
| } |
| |
| assert_eq!(sum, number_of_messages * 4 * (number_of_messages * 4 - 1) / 2); |
| |
| t1.join(); |
| t2.join(); |
| t3.join(); |
| t4.join(); |
| } |