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use std::env;
use std::process::{Command, Stdio};
use std::sync::mpsc;
use std::thread;
use std::time::Duration;
use std::io::{BufRead, BufReader, Read};
fn main() {
assert_eq!(env::args().len(), 2);
let status = Command::new("rumprun-bake")
.arg("hw_virtio")
.arg("/tmp/libc-test.img")
.arg(env::args().nth(1).unwrap())
.status()
.expect("failed to run rumprun-bake");
assert!(status.success());
let mut child = Command::new("qemu-system-x86_64")
.arg("-nographic")
.arg("-vga").arg("none")
.arg("-m").arg("64")
.arg("-kernel").arg("/tmp/libc-test.img")
.stdout(Stdio::piped())
.stderr(Stdio::piped())
.spawn()
.expect("failed to spawn qemu");
let mut stdout = child.stdout.take().unwrap();
let mut stderr = child.stderr.take().unwrap();
let (tx, rx) = mpsc::channel();
let tx2 = tx.clone();
let t1 = thread::spawn(move || find_ok(&mut stdout, tx));
let t2 = thread::spawn(move || find_ok(&mut stderr, tx2));
let res = rx.recv_timeout(Duration::new(5, 0));
child.kill().unwrap();
t1.join().unwrap();
t2.join().unwrap();
if res.is_err() {
panic!("didn't find success");
}
}
fn find_ok(input: &mut Read, tx: mpsc::Sender<()>) {
for line in BufReader::new(input).lines() {
let line = line.unwrap();
println!("{}", line);
if line.starts_with("PASSED ") && line.contains(" tests") {
tx.send(()).unwrap();
}
}
}
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