mirror of https://github.com/rust-lang/rust
31 lines
1005 B
Rust
31 lines
1005 B
Rust
//@ only-x86_64
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use std::sync::atomic::{AtomicPtr, Ordering};
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fn main() {
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let ptr = &mut 5;
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let other_ptr = &mut 10;
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let x = AtomicPtr::new(ptr);
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// Allowed load ordering modes
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let _ = x.load(Ordering::Acquire);
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let _ = x.load(Ordering::SeqCst);
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let _ = x.load(Ordering::Relaxed);
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// Disallowed load ordering modes
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let _ = x.load(Ordering::Release);
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//~^ ERROR atomic loads cannot have `Release` or `AcqRel` ordering
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let _ = x.load(Ordering::AcqRel);
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//~^ ERROR atomic loads cannot have `Release` or `AcqRel` ordering
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// Allowed store ordering modes
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x.store(other_ptr, Ordering::Release);
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x.store(other_ptr, Ordering::SeqCst);
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x.store(other_ptr, Ordering::Relaxed);
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// Disallowed store ordering modes
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x.store(other_ptr, Ordering::Acquire);
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//~^ ERROR atomic stores cannot have `Acquire` or `AcqRel` ordering
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x.store(other_ptr, Ordering::AcqRel);
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//~^ ERROR atomic stores cannot have `Acquire` or `AcqRel` ordering
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}
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