
// This checks that preemption works.

io fn starve_main(chan[int] alive) {
  log "signalling main";
  alive <| 1;
  log "starving main";
  let int i = 0;
  while (true) {
    i += 1;
  }
}

io fn main() {
  let port[int] alive = port();
  log "main started";
  let task s = spawn starve_main(chan(alive));
  let int i;
  log "main waiting for alive signal";
  i <- alive;
  log "main got alive signal";
  while (i < 1000) {
    log "main iterated";
    i += 1;
  }
  log "main completed";
}


// This checks that preemption works.

io fn starve_main(chan[int] alive) {
  log "signalling main";
  alive <| 1;
  log "starving main";
  let int i = 0;
  while (true) {
    i += 1;
  }
}

io fn main() {
  let port[int] alive = port();
  log "main started";
  let task s = spawn starve_main(chan(alive));
  let int i;
  log "main waiting for alive signal";
  i <- alive;
  log "main got alive signal";
  while (i < 50) {
    log "main iterated";
    i += 1;
  }
  log "main completed";
}


// This checks that preemption works.

impure fn starve_main(chan[int] alive) {
  log "signalling main";
  alive <| 1;
  log "starving main";
  let int i = 0;
  while (true) {
    i += 1;
  }
}

impure fn main() {
  let port[int] alive = port();
  log "main started";
  let task s = spawn starve_main(chan(alive));
  let int i;
  log "main waiting for alive signal";
  i <- alive;
  log "main got alive signal";
  while (i < 50) {
    log "main iterated";
    i += 1;
  }
  log "main completed";
}


// xfail-stage0
// This checks that preemption works.

impure fn starve_main(chan[int] alive) {
  log "signalling main";
  alive <| 1;
  log "starving main";
  let int i = 0;
  while (true) {
    i += 1;
  }
}

impure fn main() {
  let port[int] alive = port();
  log "main started";
  let task s = spawn starve_main(chan(alive));
  let int i;
  log "main waiting for alive signal";
  i <- alive;
  log "main got alive signal";
  while (i < 50) {
    log "main iterated";
    i += 1;
  }
  log "main completed";
}


// xfail-stage0
// This checks that preemption works.

fn starve_main(chan[int] alive) {
  log "signalling main";
  alive <| 1;
  log "starving main";
  let int i = 0;
  while (true) {
    i += 1;
  }
}

fn main() {
  let port[int] alive = port();
  log "main started";
  let task s = spawn starve_main(chan(alive));
  let int i;
  log "main waiting for alive signal";
  i <- alive;
  log "main got alive signal";
  while (i < 50) {
    log "main iterated";
    i += 1;
  }
  log "main completed";
}


// xfail-stage0
// xfail-stage1
// xfail-stage2
// This checks that preemption works.

fn starve_main(chan[int] alive) {
  log "signalling main";
  alive <| 1;
  log "starving main";
  let int i = 0;
  while (true) {
    i += 1;
  }
}

fn main() {
  let port[int] alive = port();
  log "main started";
  let task s = spawn starve_main(chan(alive));
  let int i;
  log "main waiting for alive signal";
  i <- alive;
  log "main got alive signal";
  while (i < 50) {
    log "main iterated";
    i += 1;
  }
  log "main completed";
}


// xfail-stage0
// xfail-stage1
// xfail-stage2
// This checks that preemption works.

fn starve_main(chan[int] alive) {
  log "signalling main";
  alive <| 1;
  log "starving main";
  let int i = 0;
  while (true) {
    i += 1;
  }
}

fn main() {
  let port[int] alive = port();
  log "main started";
  let task s = spawn starve_main(chan(alive));
  let int i;
  log "main waiting for alive signal";
  alive |> i;
  log "main got alive signal";
  while (i < 50) {
    log "main iterated";
    i += 1;
  }
  log "main completed";
}


// xfail-stage0
// xfail-stage1
// xfail-stage2
// xfail-stage3
// This checks that preemption works.

fn starve_main(chan[int] alive) {
  log "signalling main";
  alive <| 1;
  log "starving main";
  let int i = 0;
  while (true) {
    i += 1;
  }
}

fn main() {
  let port[int] alive = port();
  log "main started";
  let task s = spawn starve_main(chan(alive));
  let int i;
  log "main waiting for alive signal";
  alive |> i;
  log "main got alive signal";
  while (i < 50) {
    log "main iterated";
    i += 1;
  }
  log "main completed";
}


// xfail-stage0
// xfail-stage1
// xfail-stage2
// xfail-stage3
// This checks that preemption works.

fn starve_main(alive: chan[int]) {
    log "signalling main";
    alive <| 1;
    log "starving main";
    let i: int = 0;
    while true { i += 1; }
}

fn main() {
    let alive: port[int] = port();
    log "main started";
    let s: task = spawn starve_main(chan(alive));
    let i: int;
    log "main waiting for alive signal";
    alive |> i;
    log "main got alive signal";
    while i < 50 { log "main iterated"; i += 1; }
    log "main completed";
}


// xfail-stage1
// xfail-stage2
// xfail-stage3
// This checks that preemption works.

fn starve_main(alive: chan[int]) {
    log "signalling main";
    alive <| 1;
    log "starving main";
    let i: int = 0;
    while true { i += 1; }
}

fn main() {
    let alive: port[int] = port();
    log "main started";
    let s: task = spawn starve_main(chan(alive));
    let i: int;
    log "main waiting for alive signal";
    alive |> i;
    log "main got alive signal";
    while i < 50 { log "main iterated"; i += 1; }
    log "main completed";
}


// xfail-stage1
// xfail-stage2
// xfail-stage3
// This checks that preemption works.

fn starve_main(alive: chan<int>) {
    log "signalling main";
    alive <| 1;
    log "starving main";
    let i: int = 0;
    while true { i += 1; }
}

fn main() {
    let alive: port<int> = port();
    log "main started";
    let s: task = spawn starve_main(chan(alive));
    let i: int;
    log "main waiting for alive signal";
    alive |> i;
    log "main got alive signal";
    while i < 50 { log "main iterated"; i += 1; }
    log "main completed";
}


// xfail-test
// This checks that preemption works.

fn starve_main(alive: chan<int>) {
    log "signalling main";
    alive <| 1;
    log "starving main";
    let i: int = 0;
    while true { i += 1; }
}

fn main() {
    let alive: port<int> = port();
    log "main started";
    let s: task = spawn starve_main(chan(alive));
    let i: int;
    log "main waiting for alive signal";
    alive |> i;
    log "main got alive signal";
    while i < 50 { log "main iterated"; i += 1; }
    log "main completed";
}


// xfail-stage1
// xfail-stage2
// xfail-stage3
// This checks that preemption works.

fn starve_main(alive: chan<int>) {
    log "signalling main";
    alive <| 1;
    log "starving main";
    let i: int = 0;
    while true { i += 1; }
}

fn main() {
    let alive: port<int> = port();
    log "main started";
    let s: task = spawn starve_main(chan(alive));
    let i: int;
    log "main waiting for alive signal";
    alive |> i;
    log "main got alive signal";
    while i < 50 { log "main iterated"; i += 1; }
    log "main completed";
}


// xfail-test
// This checks that preemption works.

fn starve_main(alive: chan<int>) {
    log "signalling main";
    alive <| 1;
    log "starving main";
    let i: int = 0;
    while true { i += 1; }
}

fn main() {
    let alive: port<int> = port();
    log "main started";
    let s: task = spawn starve_main(chan(alive));
    let i: int;
    log "main waiting for alive signal";
    alive |> i;
    log "main got alive signal";
    while i < 50 { log "main iterated"; i += 1; }
    log "main completed";
}


// xfail-test
// This checks that preemption works.

fn starve_main(alive: chan<int>) {
    #debug("signalling main");
    alive <| 1;
    #debug("starving main");
    let i: int = 0;
    while true { i += 1; }
}

fn main() {
    let alive: port<int> = port();
    #debug("main started");
    let s: task = spawn starve_main(chan(alive));
    let i: int;
    #debug("main waiting for alive signal");
    alive |> i;
    #debug("main got alive signal");
    while i < 50 { #debug("main iterated"); i += 1; }
    #debug("main completed");
}


// xfail-test
// This checks that preemption works.

fn starve_main(alive: chan<int>) {
    #debug("signalling main");
    alive <| 1;
    #debug("starving main");
    let i: int = 0;
    loop { i += 1; }
}

fn main() {
    let alive: port<int> = port();
    #debug("main started");
    let s: task = spawn starve_main(chan(alive));
    let i: int;
    #debug("main waiting for alive signal");
    alive |> i;
    #debug("main got alive signal");
    while i < 50 { #debug("main iterated"); i += 1; }
    #debug("main completed");
}


// xfail-test
// This checks that preemption works.

fn starve_main(alive: chan<int>) {
    debug!{"signalling main"};
    alive <| 1;
    debug!{"starving main"};
    let i: int = 0;
    loop { i += 1; }
}

fn main() {
    let alive: port<int> = port();
    debug!{"main started"};
    let s: task = spawn starve_main(chan(alive));
    let i: int;
    debug!{"main waiting for alive signal"};
    alive |> i;
    debug!{"main got alive signal"};
    while i < 50 { debug!{"main iterated"}; i += 1; }
    debug!{"main completed"};
}


// xfail-test
// This checks that preemption works.

fn starve_main(alive: chan<int>) {
    debug!("signalling main");
    alive <| 1;
    debug!("starving main");
    let i: int = 0;
    loop { i += 1; }
}

fn main() {
    let alive: port<int> = port();
    debug!("main started");
    let s: task = spawn starve_main(chan(alive));
    let i: int;
    debug!("main waiting for alive signal");
    alive |> i;
    debug!("main got alive signal");
    while i < 50 { debug!("main iterated"); i += 1; }
    debug!("main completed");
}


// 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
// This checks that preemption works.

fn starve_main(alive: chan<int>) {
    debug!("signalling main");
    alive <| 1;
    debug!("starving main");
    let i: int = 0;
    loop { i += 1; }
}

fn main() {
    let alive: port<int> = port();
    debug!("main started");
    let s: task = spawn starve_main(chan(alive));
    let i: int;
    debug!("main waiting for alive signal");
    alive |> i;
    debug!("main got alive signal");
    while i < 50 { debug!("main iterated"); i += 1; }
    debug!("main completed");
}


// 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
// This checks that preemption works.

fn starve_main(alive: chan<int>) {
    debug!("signalling main");
    alive <| 1;
    debug!("starving main");
    let i: int = 0;
    loop { i += 1; }
}

pub fn main() {
    let alive: port<int> = port();
    debug!("main started");
    let s: task = spawn starve_main(chan(alive));
    let i: int;
    debug!("main waiting for alive signal");
    alive |> i;
    debug!("main got alive signal");
    while i < 50 { debug!("main iterated"); i += 1; }
    debug!("main completed");
}


// 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
// This checks that preemption works.

fn starve_main(alive: chan<int>) {
    debug!("signalling main");
    alive.recv(1);
    debug!("starving main");
    let i: int = 0;
    loop { i += 1; }
}

pub fn main() {
    let alive: port<int> = port();
    debug!("main started");
    let s: task = do task::spawn {
        starve_main(chan(alive));
    };
    let i: int;
    debug!("main waiting for alive signal");
    alive.send(i);
    debug!("main got alive signal");
    while i < 50 { debug!("main iterated"); i += 1; }
    debug!("main completed");
}


// 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
// This checks that preemption works.

// note: halfway done porting to modern rust
extern mod extra;

use std::comm;
use extra::comm;

fn starve_main(alive: Port<int>) {
    debug!("signalling main");
    alive.recv();
    debug!("starving main");
    let mut i: int = 0;
    loop { i += 1; }
}

pub fn main() {
    let (port, chan) = stream();

    debug!("main started");
    do spawn {
        starve_main(port);
    };
    let mut i: int = 0;
    debug!("main waiting for alive signal");
    chan.send(i);
    debug!("main got alive signal");
    while i < 50 { debug!("main iterated"); i += 1; }
    debug!("main completed");
}


// 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
// This checks that preemption works.

// note: halfway done porting to modern rust
extern mod extra;

use std::comm;
use extra::comm;

fn starve_main(alive: Port<int>) {
    info!("signalling main");
    alive.recv();
    info!("starving main");
    let mut i: int = 0;
    loop { i += 1; }
}

pub fn main() {
    let (port, chan) = stream();

    info!("main started");
    do spawn {
        starve_main(port);
    };
    let mut i: int = 0;
    info!("main waiting for alive signal");
    chan.send(i);
    info!("main got alive signal");
    while i < 50 { info!("main iterated"); i += 1; }
    info!("main completed");
}


// 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
// This checks that preemption works.

// note: halfway done porting to modern rust
extern mod extra;

use std::comm;
use extra::comm;

fn starve_main(alive: Port<int>) {
    info!("signalling main");
    alive.recv();
    info!("starving main");
    let mut i: int = 0;
    loop { i += 1; }
}

pub fn main() {
    let (port, chan) = stream();

    info!("main started");
    spawn(proc() {
        starve_main(port);
    });
    let mut i: int = 0;
    info!("main waiting for alive signal");
    chan.send(i);
    info!("main got alive signal");
    while i < 50 { info!("main iterated"); i += 1; }
    info!("main completed");
}


// 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-test
// This checks that preemption works.

// note: halfway done porting to modern rust
extern mod extra;

use std::comm;
use extra::comm;

fn starve_main(alive: Port<int>) {
    info!("signalling main");
    alive.recv();
    info!("starving main");
    let mut i: int = 0;
    loop { i += 1; }
}

pub fn main() {
    let (port, chan) = stream();

    info!("main started");
    spawn(proc() {
        starve_main(port);
    });
    let mut i: int = 0;
    info!("main waiting for alive signal");
    chan.send(i);
    info!("main got alive signal");
    while i < 50 { info!("main iterated"); i += 1; }
    info!("main completed");
}


// 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-test
// This checks that preemption works.

// note: halfway done porting to modern rust
extern crate extra;

use std::comm;
use extra::comm;

fn starve_main(alive: Port<int>) {
    info!("signalling main");
    alive.recv();
    info!("starving main");
    let mut i: int = 0;
    loop { i += 1; }
}

pub fn main() {
    let (port, chan) = stream();

    info!("main started");
    spawn(proc() {
        starve_main(port);
    });
    let mut i: int = 0;
    info!("main waiting for alive signal");
    chan.send(i);
    info!("main got alive signal");
    while i < 50 { info!("main iterated"); i += 1; }
    info!("main completed");
}


// 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-test
// This checks that preemption works.

// note: halfway done porting to modern rust
extern crate extra;

use std::comm;
use extra::comm;

fn starve_main(alive: Receiver<int>) {
    info!("signalling main");
    alive.recv();
    info!("starving main");
    let mut i: int = 0;
    loop { i += 1; }
}

pub fn main() {
    let (port, chan) = stream();

    info!("main started");
    spawn(proc() {
        starve_main(port);
    });
    let mut i: int = 0;
    info!("main waiting for alive signal");
    chan.send(i);
    info!("main got alive signal");
    while i < 50 { info!("main iterated"); i += 1; }
    info!("main completed");
}


// 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-test
// This checks that preemption works.

// note: halfway done porting to modern rust
use std::comm;

fn starve_main(alive: Receiver<int>) {
    info!("signalling main");
    alive.recv();
    info!("starving main");
    let mut i: int = 0;
    loop { i += 1; }
}

pub fn main() {
    let (port, chan) = stream();

    info!("main started");
    spawn(proc() {
        starve_main(port);
    });
    let mut i: int = 0;
    info!("main waiting for alive signal");
    chan.send(i);
    info!("main got alive signal");
    while i < 50 { info!("main iterated"); i += 1; }
    info!("main completed");
}


// 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-test
// This checks that preemption works.

// note: halfway done porting to modern rust
use std::comm;

fn starve_main(alive: Receiver<int>) {
    println!("signalling main");
    alive.recv();
    println!("starving main");
    let mut i: int = 0;
    loop { i += 1; }
}

pub fn main() {
    let (port, chan) = stream();

    println!("main started");
    spawn(proc() {
        starve_main(port);
    });
    let mut i: int = 0;
    println!("main waiting for alive signal");
    chan.send(i);
    println!("main got alive signal");
    while i < 50 { println!("main iterated"); i += 1; }
    println!("main completed");
}


// 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-test
// This checks that preemption works.

// note: halfway done porting to modern rust
use std::comm;

fn starve_main(alive: Receiver<int>) {
    println!("signalling main");
    alive.recv();
    println!("starving main");
    let mut i: int = 0;
    loop { i += 1; }
}

pub fn main() {
    let (port, chan) = stream();

    println!("main started");
    spawn(move|| {
        starve_main(port);
    });
    let mut i: int = 0;
    println!("main waiting for alive signal");
    chan.send(i);
    println!("main got alive signal");
    while i < 50 { println!("main iterated"); i += 1; }
    println!("main completed");
}


// 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-test
// This checks that preemption works.

// note: halfway done porting to modern rust
use std::comm;

fn starve_main(alive: Receiver<isize>) {
    println!("signalling main");
    alive.recv();
    println!("starving main");
    let mut i: isize = 0;
    loop { i += 1; }
}

pub fn main() {
    let (port, chan) = stream();

    println!("main started");
    spawn(move|| {
        starve_main(port);
    });
    let mut i: isize = 0;
    println!("main waiting for alive signal");
    chan.send(i);
    println!("main got alive signal");
    while i < 50 { println!("main iterated"); i += 1; }
    println!("main completed");
}