rust/tests/fail/data_race/atomic_read_na_write_race1.rs

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// ignore-windows: Concurrency on Windows is not supported yet.
#![feature(core_intrinsics)]
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use std::intrinsics;
use std::sync::atomic::AtomicUsize;
use std::thread::spawn;
#[derive(Copy, Clone)]
struct EvilSend<T>(pub T);
unsafe impl<T> Send for EvilSend<T> {}
unsafe impl<T> Sync for EvilSend<T> {}
pub fn main() {
let mut a = AtomicUsize::new(0);
let b = &mut a as *mut AtomicUsize;
let c = EvilSend(b);
unsafe {
let j1 = spawn(move || {
*(c.0 as *mut usize) = 32;
});
let j2 = spawn(move || {
//Equivalent to: (&*c.0).load(Ordering::SeqCst)
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intrinsics::atomic_load_seqcst(c.0 as *mut usize) //~ ERROR Data race detected between Atomic Load on Thread(id = 2) and Write on Thread(id = 1)
});
j1.join().unwrap();
j2.join().unwrap();
}
}