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

37 lines
668 B
Rust

// xfail-stage0
// -*- rust -*-
impure fn f(chan[int] c)
{
type t = tup(int,int,int);
// Allocate a box.
let @t x = @tup(1,2,3);
// Signal parent that we've allocated a box.
c <| 1;
while (true) {
// spin waiting for the parent to kill us.
log "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
c <| 1;
}
}
impure fn main() {
let port[int] p = port();
spawn f(chan(p));
let int i;
// synchronize on event from child.
i <- p;
log "parent exiting, killing child";
}