rust/src/test/run-pass/task-comm-12.rs
2013-02-15 02:49:55 -08:00

36 lines
993 B
Rust

// Copyright 2012 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.
extern mod std;
pub fn main() { test00(); }
fn start(&&task_number: int) { debug!("Started / Finished task."); }
fn test00() {
let i: int = 0;
let mut result = None;
do task::task().future_result(|+r| { result = Some(r); }).spawn {
start(i)
}
// Sleep long enough for the task to finish.
let mut i = 0;
while i < 10000 {
task::yield();
i += 1;
}
// Try joining tasks that have already finished.
option::unwrap(result).recv();
debug!("Joined task.");
}