rust/tests/run-pass/concurrency/disable_data_race_detector.rs

29 lines
649 B
Rust

// ignore-windows: Concurrency on Windows is not supported yet.
// compile-flags: -Zmiri-disable-data-race-detector
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 = 0u32;
let b = &mut a as *mut u32;
let c = EvilSend(b);
unsafe {
let j1 = spawn(move || {
*c.0 = 32;
});
let j2 = spawn(move || {
*c.0 = 64; //~ ERROR Data race (but not detected as the detector is disabled)
});
j1.join().unwrap();
j2.join().unwrap();
}
}