| // Copyright 2015 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-emscripten |
| |
| use std::env; |
| use std::process::{self, Command, Stdio}; |
| |
| fn main() { |
| let args: Vec<String> = env::args().collect(); |
| if args.len() > 1 && args[1] == "child" { |
| child(); |
| } else { |
| parent(); |
| } |
| } |
| |
| fn parent() { |
| let args: Vec<String> = env::args().collect(); |
| let status = Command::new(&args[0]).arg("child").status().unwrap(); |
| assert_eq!(status.code(), Some(2)); |
| } |
| |
| fn child() -> i32 { |
| process::exit(2); |
| } |