rust/src/test/run-pass/acyclic-unwind.rs

38 lines
797 B
Rust

// xfail-test
// -*- rust -*-
extern mod std;
fn f(c: comm::_chan<int>) {
type t = {_0: int, _1: int, _2: int};
// Allocate a box.
let x: @t = @{_0: 1, _1: 2, _2: 3};
// Signal parent that we've allocated a box.
comm::send(c, 1);
loop {
// spin waiting for the parent to kill us.
debug!("child waiting to die...");
// while waiting to die, the messages we are
// sending to the channel are never received
// by the parent, therefore this test cases drops
// messages on the floor
comm::send(c, 1);
}
}
fn main() {
let p = comm::mk_port();
task::_spawn(bind f(p.mk_chan()));
let i: int;
// synchronize on event from child.
i = p.recv();
debug!("parent exiting, killing child");
}