2 #![warn(clippy::missing_spin_loop)]
3 #![allow(clippy::bool_comparison)]
4 #![allow(unused_braces)]
6 use core::sync::atomic::{AtomicBool, Ordering};
9 let b = AtomicBool::new(true);
11 while b.load(Ordering::Acquire) { std::hint::spin_loop() }
13 while !b.load(Ordering::SeqCst) { std::hint::spin_loop() }
15 while b.load(Ordering::Acquire) == false { std::hint::spin_loop() }
17 while { true == b.load(Ordering::Acquire) } { std::hint::spin_loop() }
19 while b.compare_exchange(true, false, Ordering::Acquire, Ordering::Relaxed) != Ok(true) { std::hint::spin_loop() }
21 while Ok(false) != b.compare_exchange(false, true, Ordering::Acquire, Ordering::Relaxed) { std::hint::spin_loop() }
23 // This is OK, as the body is not empty
24 while b.load(Ordering::Acquire) {
25 std::hint::spin_loop()
27 // TODO: also match on loop+match or while let