1 // Copyright 2015 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
14 use std::process::{self, Command, Stdio};
17 let args: Vec<String> = env::args().collect();
18 if args.len() > 1 && args[1] == "child" {
26 let args: Vec<String> = env::args().collect();
27 let status = Command::new(&args[0]).arg("child").status().unwrap();
28 assert_eq!(status.code(), Some(2));