wasmtime_environ::__core::intrinsics

Function atomic_xchg_acquire

Source 
pub unsafe extern "rust-intrinsic" fn atomic_xchg_acquire<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.

The stabilized version of this intrinsic is available on the atomic types via the swap method by passing Ordering::Acquire as the order. For example, AtomicBool::swap.