| // Copyright 2017 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. |
| |
| #![allow(stable_features)] |
| // ignore-cloudabi no processes |
| // ignore-emscripten no processes |
| |
| #![feature(process_try_wait)] |
| |
| use std::env; |
| use std::process::Command; |
| use std::thread; |
| use std::time::Duration; |
| |
| fn main() { |
| let args = env::args().collect::<Vec<_>>(); |
| if args.len() != 1 { |
| match &args[1][..] { |
| "sleep" => thread::sleep(Duration::new(1_000, 0)), |
| _ => {} |
| } |
| return |
| } |
| |
| let mut me = Command::new(env::current_exe().unwrap()) |
| .arg("sleep") |
| .spawn() |
| .unwrap(); |
| let maybe_status = me.try_wait().unwrap(); |
| assert!(maybe_status.is_none()); |
| let maybe_status = me.try_wait().unwrap(); |
| assert!(maybe_status.is_none()); |
| |
| me.kill().unwrap(); |
| me.wait().unwrap(); |
| |
| let status = me.try_wait().unwrap().unwrap(); |
| assert!(!status.success()); |
| let status = me.try_wait().unwrap().unwrap(); |
| assert!(!status.success()); |
| |
| let mut me = Command::new(env::current_exe().unwrap()) |
| .arg("return-quickly") |
| .spawn() |
| .unwrap(); |
| loop { |
| match me.try_wait() { |
| Ok(Some(res)) => { |
| assert!(res.success()); |
| break |
| } |
| Ok(None) => { |
| thread::sleep(Duration::from_millis(1)); |
| } |
| Err(e) => panic!("error in try_wait: {}", e), |
| } |
| } |
| |
| let status = me.try_wait().unwrap().unwrap(); |
| assert!(status.success()); |
| } |