source: benchmark/mutexC/rust.rs @ 5c473c9

use std::env;
use std::process;
use std::sync::Mutex;
use std::time::Instant;

fn call( lock : & Mutex<u32> ) {
        let _ = lock.lock();
}

fn main() {
        let mut times : u32 = 50000000;
        let args: Vec<String> = env::args().collect();
        if args.len() > 2 { process::exit( 1 ); }
        if args.len() == 2 { times = args[1].parse().unwrap(); }

        let lock = Mutex::new(0);

        let start = Instant::now();
        for _ in 1..times {
                call( &lock );
        }
        let duration = start.elapsed() / times;
        println!( "{:?}", duration.as_nanos() )
}

// rustc -C opt-level=3 rust.rs