func internal/runtime/atomic.Xchg8

4 uses

	internal/runtime/atomic (current package)
		atomic_amd64.go#L61: func Xchg8(ptr *uint8, new uint8) uint8

	runtime
		lock_spinbit.go#L163: 	v8 := atomic.Xchg8(k8, mutexLocked)
		lock_spinbit.go#L198: 				prev8 := atomic.Xchg8(k8, mutexLocked|mutexSleeping)
		lock_spinbit.go#L262: 	prev8 := atomic.Xchg8(key8(&l.key), 0)