mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-18 10:48:36 +00:00
28 lines
746 B
Rust
28 lines
746 B
Rust
|
#![warn(clippy::invalid_atomic_ordering)]
|
||
|
|
|
||
|
|
use std::sync::atomic::{AtomicPtr, Ordering};
|
||
|
|
|
||
|
|
fn main() {
|
||
|
|
let ptr = &mut 5;
|
||
|
|
let other_ptr = &mut 10;
|
||
|
|
let x = AtomicPtr::new(ptr);
|
||
|
|
|
||
|
|
// Allowed load ordering modes
|
||
|
|
let _ = x.load(Ordering::Acquire);
|
||
|
|
let _ = x.load(Ordering::SeqCst);
|
||
|
|
let _ = x.load(Ordering::Relaxed);
|
||
|
|
|
||
|
|
// Disallowed load ordering modes
|
||
|
|
let _ = x.load(Ordering::Release);
|
||
|
|
let _ = x.load(Ordering::AcqRel);
|
||
|
|
|
||
|
|
// Allowed store ordering modes
|
||
|
|
x.store(other_ptr, Ordering::Release);
|
||
|
|
x.store(other_ptr, Ordering::SeqCst);
|
||
|
|
x.store(other_ptr, Ordering::Relaxed);
|
||
|
|
|
||
|
|
// Disallowed store ordering modes
|
||
|
|
x.store(other_ptr, Ordering::Acquire);
|
||
|
|
x.store(other_ptr, Ordering::AcqRel);
|
||
|
|
}
|