1 // Copyright 2014 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.
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.
11 // ignore-macos osx really doesn't like cycling through large numbers of
12 // sockets as calls to connect() will start returning EADDRNOTAVAIL
13 // quite quickly and it takes a few seconds for the sockets to get
16 use std::io::{TcpListener, Listener, Acceptor, EndOfFile, TcpStream};
18 use std::sync::atomic::{AtomicUint, Ordering};
19 use std::sync::mpsc::channel;
20 use std::thread::Thread;
30 let mut l = TcpListener::bind("127.0.0.1:0").unwrap();
31 let addr = l.socket_name().unwrap();
32 let mut a = l.listen().unwrap();
33 let cnt = Arc::new(AtomicUint::new(0));
35 let (srv_tx, srv_rx) = channel();
36 let (cli_tx, cli_rx) = channel();
37 for _ in range(0, N) {
39 let cnt = cnt.clone();
40 let srv_tx = srv_tx.clone();
41 Thread::spawn(move|| {
46 if cnt.fetch_add(1, Ordering::SeqCst) == N * M - 1 {
50 Err(ref e) if e.kind == EndOfFile => break,
51 Err(e) => panic!("{}", e),
58 for _ in range(0, N) {
59 let cli_tx = cli_tx.clone();
60 Thread::spawn(move|| {
61 for _ in range(0, M) {
62 let _s = TcpStream::connect(addr).unwrap();
67 drop((cli_tx, srv_tx));
70 if cli_rx.iter().take(N).count() != N {
71 a.close_accept().unwrap();
72 panic!("clients panicked");
75 // wait for one acceptor to die
76 let _ = srv_rx.recv();
78 // Notify other receivers should die
79 a.close_accept().unwrap();
82 assert_eq!(srv_rx.iter().take(N - 1).count(), N - 1);
84 // Everything should have been accepted.
85 assert_eq!(cnt.load(Ordering::SeqCst), N * M);