(self)
Wake up all threads waiting on this condition.

        If the calling thread has not acquired the lock when this method
        is called, a RuntimeError is raised.
Wake up all threads waiting on this condition.
Wake up all threads waiting on this condition .
def notify_all(self):
        """Wake up all threads waiting on this condition.

        If the calling thread has not acquired the lock when this method
        is called, a RuntimeError is raised.

        """
        self.notify(len(self._waiters))
def notify_all ( self ) : self . notify ( len ( self . _waiters ) )