2 // ignore-android needs extra network permissions
3 // ignore-cloudabi no global network namespace access
4 // ignore-emscripten no threads or sockets support
5 // ignore-netbsd system ulimit (Too many open files)
6 // ignore-openbsd system ulimit (Too many open files)
8 use std::io::prelude::*;
9 use std::net::{TcpListener, TcpStream};
11 use std::sync::mpsc::channel;
12 use std::time::Duration;
13 use std::thread::{self, Builder};
15 const TARGET_CNT: usize = 200;
18 // This test has a chance to time out, try to not let it time out
19 thread::spawn(move|| -> () {
20 thread::sleep(Duration::from_secs(30));
24 let listener = TcpListener::bind("127.0.0.1:0").unwrap();
25 let addr = listener.local_addr().unwrap();
26 thread::spawn(move || -> () {
28 let mut stream = match listener.accept() {
29 Ok(stream) => stream.0,
32 let _ = stream.read(&mut [0]);
33 let _ = stream.write(&[2]);
37 let (tx, rx) = channel();
39 let mut spawned_cnt = 0;
40 for _ in 0..TARGET_CNT {
42 let res = Builder::new().stack_size(64 * 1024).spawn(move|| {
43 match TcpStream::connect(addr) {
45 let _ = stream.write(&[1]);
46 let _ = stream.read(&mut [0]);
57 // Wait for all clients to exit, but don't wait for the server to exit. The
58 // server just runs infinitely.
60 for _ in 0..spawned_cnt {
63 assert_eq!(spawned_cnt, TARGET_CNT);