adeeadf49f
The constructor for `TaskBuilder` is being changed to an associated function called `new` for consistency with the rest of the standard library. Closes #13666 [breaking-change]
72 lines
1.9 KiB
Rust
72 lines
1.9 KiB
Rust
// Copyright 2012-2014 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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use std::task::TaskBuilder;
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pub fn main() { println!("===== WITHOUT THREADS ====="); test00(); }
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fn test00_start(ch: &Sender<int>, message: int, count: int) {
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println!("Starting test00_start");
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let mut i: int = 0;
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while i < count {
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println!("Sending Message");
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ch.send(message + 0);
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i = i + 1;
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}
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println!("Ending test00_start");
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}
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fn test00() {
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let number_of_tasks: int = 16;
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let number_of_messages: int = 4;
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println!("Creating tasks");
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let (tx, rx) = channel();
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let mut i: int = 0;
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// Create and spawn tasks...
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let mut results = Vec::new();
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while i < number_of_tasks {
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let tx = tx.clone();
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let mut builder = TaskBuilder::new();
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results.push(builder.future_result());
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builder.spawn({
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let i = i;
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proc() {
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test00_start(&tx, i, number_of_messages)
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}
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});
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i = i + 1;
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}
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// Read from spawned tasks...
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let mut sum = 0;
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for _r in results.iter() {
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i = 0;
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while i < number_of_messages {
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let value = rx.recv();
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sum += value;
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i = i + 1;
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}
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}
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// Join spawned tasks...
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for r in results.iter() { r.recv(); }
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println!("Completed: Final number is: ");
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println!("{:?}", sum);
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// assert (sum == (((number_of_tasks * (number_of_tasks - 1)) / 2) *
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// number_of_messages));
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assert_eq!(sum, 480);
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}
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