func runtime/internal/atomic.Xchg

9 uses

	runtime/internal/atomic (current package)
		atomic_amd64.go#L60: func Xchg(ptr *uint32, new uint32) uint32
		types.go#L191: 	return Xchg(&u.value, value)

	runtime
		lock_futex.go#L59: 	v := atomic.Xchg(key32(&l.key), mutex_locked)
		lock_futex.go#L101: 		v = atomic.Xchg(key32(&l.key), mutex_sleeping)
		lock_futex.go#L115: 	v := atomic.Xchg(key32(&l.key), mutex_unlocked)
		lock_futex.go#L139: 	old := atomic.Xchg(key32(&n.key), 1)
		mstats.go#L899: 	atomic.Xchg(&m.gen, (currGen+1)%3)
		proc.go#L1873: 	c := atomic.Xchg(&extraMWaiters, 0)
		sigqueue.go#L164: 			sig.recv[i] = atomic.Xchg(&sig.mask[i], 0)