83 lines
2.7 KiB
Rust
83 lines
2.7 KiB
Rust
//@ run-pass
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//@ ignore-windows
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//@ ignore-android
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//@ ignore-emscripten no processes
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//@ ignore-haiku
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//@ ignore-sgx no processes
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#![feature(rustc_private)]
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extern crate libc;
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use std::env;
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use std::fs::File;
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use std::io;
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use std::net::{TcpListener, TcpStream, UdpSocket};
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use std::os::unix::prelude::*;
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use std::process::{Command, Stdio};
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use std::thread;
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fn main() {
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let args = env::args().collect::<Vec<_>>();
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if args.len() == 1 {
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parent()
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} else {
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child(&args)
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}
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}
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fn parent() {
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let file = File::open(env::current_exe().unwrap()).unwrap();
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let tcp1 = TcpListener::bind("127.0.0.1:0").unwrap();
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let tcp2 = tcp1.try_clone().unwrap();
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let addr = tcp1.local_addr().unwrap();
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let t = thread::spawn(move || TcpStream::connect(addr).unwrap());
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let tcp3 = tcp1.accept().unwrap().0;
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let tcp4 = t.join().unwrap();
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let tcp5 = tcp3.try_clone().unwrap();
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let tcp6 = tcp4.try_clone().unwrap();
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let udp1 = UdpSocket::bind("127.0.0.1:0").unwrap();
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let udp2 = udp1.try_clone().unwrap();
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let mut child = Command::new(env::args().next().unwrap())
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.arg("100")
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.stdout(Stdio::piped())
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.stdin(Stdio::piped())
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.stderr(Stdio::piped())
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.spawn().unwrap();
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let pipe1 = child.stdin.take().unwrap();
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let pipe2 = child.stdout.take().unwrap();
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let pipe3 = child.stderr.take().unwrap();
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let status = Command::new(env::args().next().unwrap())
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.arg(file.as_raw_fd().to_string())
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.arg(tcp1.as_raw_fd().to_string())
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.arg(tcp2.as_raw_fd().to_string())
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.arg(tcp3.as_raw_fd().to_string())
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.arg(tcp4.as_raw_fd().to_string())
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.arg(tcp5.as_raw_fd().to_string())
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.arg(tcp6.as_raw_fd().to_string())
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.arg(udp1.as_raw_fd().to_string())
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.arg(udp2.as_raw_fd().to_string())
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.arg(pipe1.as_raw_fd().to_string())
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.arg(pipe2.as_raw_fd().to_string())
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.arg(pipe3.as_raw_fd().to_string())
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.status()
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.unwrap();
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assert!(status.success());
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child.wait().unwrap();
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}
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fn child(args: &[String]) {
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let mut b = [0u8; 2];
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for arg in &args[1..] {
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let fd: libc::c_int = arg.parse().unwrap();
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unsafe {
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assert_eq!(libc::read(fd, b.as_mut_ptr() as *mut _, 2), -1);
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assert_eq!(io::Error::last_os_error().raw_os_error(),
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Some(libc::EBADF));
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}
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}
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}
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