mutex10k.rs

use std::sync::{Arc, Mutex};
use std::sync::atomic::{AtomicUsize, Ordering};
use std::thread;
use std::net;
use std::io::Read;

fn main() {
    let listener = Arc::new(Mutex::new(0));
    let counter = Arc::new(AtomicUsize::new(0));
    let mut threads: Vec<_> = Vec::with_capacity(10000);
    for i in 0..10000 {
        let listener = listener.clone();
        let counter = counter.clone();
        let t = thread::spawn(move || {
            let _ = listener.lock();
            std::thread::sleep(std::time::Duration::new(1000, 0));
            println!("{}", i);

            counter.fetch_add(1, Ordering::Relaxed);
        });
        threads.push(t);
    }
    std::thread::sleep(std::time::Duration::new(10, 0));
    println!("{:?}", counter);
}