code: def hand_shake(self, actor, run=True):
          '''Perform the hand shake for ``actor``
  
          The hand shake occurs when the ``actor`` is in starting state.
          It performs the following actions:
  
          * set the ``actor`` as the actor of the current thread
          * bind two additional callbacks to the ``start`` event
          * fire the ``start`` event
  
          If the hand shake is successful, the actor will eventually
          results in a running state.
          '''
          try:
              assert actor.state == ACTOR_STATES.STARTING
              if actor.cfg.debug:
                  actor.logger.debug('starting handshake')
              actor.event('start').fire()
              if run:
                  self._switch_to_run(actor)
          except Exception as exc:
              actor.stop(excf hand_shake(self, actor, run=True):
          '''Perform the hand shake for ``actor``
  
          The hand shake occurs when the ``actor`` is in starting state.
          It performs the following actions:
  
          * set the ``actor`` as the actor of the current thread
          * bind two additional callbacks to the ``start`` event
          * fire the ``start`` event
  
          If the hand shake is successful, the actor will eventually
          results in a running state.
          '''
          try:
              assert actor.state == ACTOR_STATES.STARTING
              if actor.cfg.debug:
                  actor.logger.debug('starting handshake')
              actor.event('start').fire()
              if run:
                  self._switch_to_run(actor)
          except Exception as exc:
              actor.stop(exc)
docs: Perform the hand shake for ``actor``
  
          The hand shake occurs when the ``actor`` is in starting state.
          It performs the following actions:
  
          * set the ``actor`` as the actor of the current thread
          * bind two additional callbacks to the ``start`` event
          * fire the ``start`` event
  
          If the hand shake is successful, the actor will eventually
          results in a running state.