atomic_xchg_relaxed in std::intrinsics - Rust (original) (raw)

std::intrinsics

Function atomic_xchg_relaxed

Source

pub unsafe fn atomic_xchg_relaxed<T>(dst: *mut T, src: T) -> T

where
    T: Copy,

🔬This is a nightly-only experimental API. (core_intrinsics)

Expand description

Stores the value at the specified memory location, returning the old value.T must be an integer or pointer type.

The stabilized version of this intrinsic is available on theatomic types via the swap method by passingOrdering::Relaxed as the order. For example, AtomicBool::swap.