projects / rustc.git / blame
| Commit | Line | Data |
|---|---|---|
| 9346a6ac AL |
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. | |
| 4 | // | |
| 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. | |
| 10 | ||
| 11 | // ignore-windows | |
| 12 | // ignore-android | |
| abe05a73 | 13 | // ignore-emscripten no processes |
| 9e0c209e | 14 | // ignore-haiku |
| 9346a6ac AL |
15 | |
| 16 | #![feature(libc)] | |
| 17 | ||
| 18 | extern crate libc; | |
| 19 | ||
| 20 | use std::env; | |
| 7453a54e | 21 | use std::fs::File; |
| 9346a6ac AL |
22 | use std::io; |
| 23 | use std::net::{TcpListener, TcpStream, UdpSocket}; | |
| 24 | use std::os::unix::prelude::*; | |
| 7453a54e | 25 | use std::process::{Command, Stdio}; |
| 9346a6ac AL |
26 | use std::thread; |
| 27 | ||
| 28 | fn main() { | |
| 29 | let args = env::args().collect::<Vec<_>>(); | |
| 30 | if args.len() == 1 { | |
| 31 | parent() | |
| 32 | } else { | |
| 33 | child(&args) | |
| 34 | } | |
| 35 | } | |
| 36 | ||
| 37 | fn parent() { | |
| 8bb4bdeb | 38 | let file = File::open(env::current_exe().unwrap()).unwrap(); |
| 9346a6ac AL |
39 | let tcp1 = TcpListener::bind("127.0.0.1:0").unwrap(); |
| 40 | let tcp2 = tcp1.try_clone().unwrap(); | |
| 41 | let addr = tcp1.local_addr().unwrap(); | |
| 42 | let t = thread::spawn(move || TcpStream::connect(addr).unwrap()); | |
| 43 | let tcp3 = tcp1.accept().unwrap().0; | |
| 44 | let tcp4 = t.join().unwrap(); | |
| 45 | let tcp5 = tcp3.try_clone().unwrap(); | |
| 46 | let tcp6 = tcp4.try_clone().unwrap(); | |
| 47 | let udp1 = UdpSocket::bind("127.0.0.1:0").unwrap(); | |
| 48 | let udp2 = udp1.try_clone().unwrap(); | |
| 49 | ||
| 7453a54e SL |
50 | let mut child = Command::new(env::args().next().unwrap()) |
| 51 | .arg("100") | |
| 52 | .stdout(Stdio::piped()) | |
| 53 | .stdin(Stdio::piped()) | |
| 54 | .stderr(Stdio::piped()) | |
| 55 | .spawn().unwrap(); | |
| 56 | let pipe1 = child.stdin.take().unwrap(); | |
| 57 | let pipe2 = child.stdout.take().unwrap(); | |
| 58 | let pipe3 = child.stderr.take().unwrap(); | |
| 59 | ||
| 60 | ||
| 9346a6ac AL |
61 | let status = Command::new(env::args().next().unwrap()) |
| 62 | .arg(file.as_raw_fd().to_string()) | |
| 63 | .arg(tcp1.as_raw_fd().to_string()) | |
| 64 | .arg(tcp2.as_raw_fd().to_string()) | |
| 65 | .arg(tcp3.as_raw_fd().to_string()) | |
| 66 | .arg(tcp4.as_raw_fd().to_string()) | |
| 67 | .arg(tcp5.as_raw_fd().to_string()) | |
| 68 | .arg(tcp6.as_raw_fd().to_string()) | |
| 69 | .arg(udp1.as_raw_fd().to_string()) | |
| 70 | .arg(udp2.as_raw_fd().to_string()) | |
| 7453a54e SL |
71 | .arg(pipe1.as_raw_fd().to_string()) |
| 72 | .arg(pipe2.as_raw_fd().to_string()) | |
| 73 | .arg(pipe3.as_raw_fd().to_string()) | |
| 9346a6ac AL |
74 | .status() |
| 75 | .unwrap(); | |
| 76 | assert!(status.success()); | |
| 7453a54e | 77 | child.wait().unwrap(); |
| 9346a6ac AL |
78 | } |
| 79 | ||
| 80 | fn child(args: &[String]) { | |
| 81 | let mut b = [0u8; 2]; | |
| 82 | for arg in &args[1..] { | |
| 83 | let fd: libc::c_int = arg.parse().unwrap(); | |
| 84 | unsafe { | |
| 85 | assert_eq!(libc::read(fd, b.as_mut_ptr() as *mut _, 2), -1); | |
| 86 | assert_eq!(io::Error::last_os_error().raw_os_error(), | |
| 87 | Some(libc::EBADF)); | |
| 88 | } | |
| 89 | } | |
| 90 | } |