// 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. // ignore-cloudabi no processes // ignore-emscripten no processes use std::env; use std::process::{self, Command, Stdio}; fn main() { let args: Vec = env::args().collect(); if args.len() > 1 && args[1] == "child" { child(); } else { parent(); } } fn parent() { let args: Vec = 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); }