rust/src/test/run-fail/morestack2.rs
2014-04-04 09:31:44 -07:00

67 lines
1.5 KiB
Rust

// 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 newsched transition
// error-pattern:explicit failure
// This time we're testing that the stack limits are restored
// correctly after calling into the C stack and unwinding.
// See the hack in upcall_call_shim_on_c_stack where it messes
// with the stack limit.
extern crate libc;
use std::task;
mod rustrt {
extern crate libc;
extern {
pub fn rust_get_argc() -> libc::c_int;
}
}
fn getbig_call_c_and_fail(i: int) {
if i != 0 {
getbig_call_c_and_fail(i - 1);
} else {
unsafe {
rustrt::rust_get_argc();
fail!();
}
}
}
struct and_then_get_big_again {
x:int,
}
impl Drop for and_then_get_big_again {
fn drop(&mut self) {
fn getbig(i: int) {
if i != 0 {
getbig(i - 1);
}
}
getbig(10000);
}
}
fn and_then_get_big_again(x:int) -> and_then_get_big_again {
and_then_get_big_again {
x: x
}
}
fn main() {
task::spawn(proc() {
let r = and_then_get_big_again(4);
getbig_call_c_and_fail(10000);
});
}