mirror of https://github.com/rust-lang/rust
22 lines
615 B
Rust
22 lines
615 B
Rust
//@ only-x86_64
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use std::sync::atomic::{compiler_fence, fence, Ordering};
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fn main() {
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// Allowed ordering modes
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fence(Ordering::Acquire);
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fence(Ordering::Release);
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fence(Ordering::AcqRel);
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fence(Ordering::SeqCst);
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compiler_fence(Ordering::Acquire);
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compiler_fence(Ordering::Release);
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compiler_fence(Ordering::AcqRel);
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compiler_fence(Ordering::SeqCst);
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// Disallowed ordering modes
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fence(Ordering::Relaxed);
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//~^ ERROR memory fences cannot have `Relaxed` ordering
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compiler_fence(Ordering::Relaxed);
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//~^ ERROR memory fences cannot have `Relaxed` ordering
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}
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