def __init__(self, state, meta=None):
super(Ref, self).__init__(meta)
self._id = refids.next()
self._faults = AtomicInteger(0)
self._tinfo = None
self._maxHistory = 10
self._minHistory = 0
# NOTE SharedLock is also re-entrant.
self._lock = SharedLock(None, False)
self._tvals = TVal(state, 0, time() * 1000)
def __init__(self, v=0):
self._v = v
self._lock = SharedLock()
