return pinState.isPinned()
}

// setPinned marks or unmarks a Go pointer as pinned, when the ptr is a Go pointer.
// It will be ignored while try to pin a non-Go pointer,
// and it will be panic while try to unpin a non-Go pointer,
// which should not happen in normal usage.
func setPinned(ptr unsafe.Pointer, pin bool) bool {
	span := spanOfHeap(uintptr(ptr))
	if span == nil {