CS452 Lab04 - Sample 1 (Rust)

sample1a.rs

use nix::unistd::sleep;
use std::process;
use std::thread;

fn main() {
    println!(
        "From PID {} thread id {:?}",
        process::id(),
        thread::current().id()
    );
    thread::spawn(do_greeting); // Panic if failed to create thread
}

fn do_greeting() {
    sleep(1);
    println!(
        "Thread version of Hello, world. PID={} TID={:?}",
        process::id(),
        thread::current().id()
    )
}

sample1b.rs

use nix::unistd::sleep;
use std::{process, thread};

fn main() {
  let thread_builder = thread::Builder::new();
  println!(
    "From PID {} thread id {:?}",
    process::id(),
    thread::current().id()
  );

  thread_builder
    .spawn(do_greeting)
    .expect("Unable to create thread");
  sleep(2);
}

fn do_greeting() {
  sleep(1);
  println!(
    "Thread version of Hello, world. PID={} TID={:?}",
    process::id(),
    thread::current().id()
  )
}