rust/src/test/run-pass/send-iloop.rs

// 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.

// xfail-test linked failure
extern mod extra;

use std::comm;
use std::task;

fn die() {
    fail!();
}

fn iloop() {
    task::spawn(|| die() );
    let (p, c) = comm::stream::<()>();
    loop {
        // Sending and receiving here because these actions deschedule,
        // at which point our child can kill us.
        c.send(());
        p.recv();
        // The above comment no longer makes sense but I'm
        // reluctant to remove a linked failure test case.
        task::deschedule();
    }
}

pub fn main() {
    for _ in range(0u, 16u) {
        task::spawn_unlinked(|| iloop() );
    }
}