379             for consumer, iec_path in self.DataConsumers.iteritems():

   379             for consumer, iec_path in self.DataConsumers.iteritems():

   380                 self.DataProducer.UnsubscribeDebugIECVariable(iec_path, consumer)

   380                 self.DataProducer.UnsubscribeDebugIECVariable(iec_path, consumer)

   381         self.DataConsumers = {}

   381         self.DataConsumers = {}

   382     

   382     

   383     def ShouldRefresh(self):

   383     def ShouldRefresh(self):

   385         

   386         

   386     def _ShouldRefresh(self):

   387     def _ShouldRefresh(self):

   387         if DEBUG_REFRESH_LOCK.acquire(False):

   388         if DEBUG_REFRESH_LOCK.acquire(False):

   388             self.AccessLock.acquire()

   389             self.AccessLock.acquire()

   389             self.HasAcquiredLock = True

   390             self.HasAcquiredLock = True