text: __test__ = False
  
  
  def aaa(lock, e1, e2):
      e1.set()
      with lock:
          e2.wait()
  
  
  def bbb(lock, e1, e2):
      e1.wait()
      e2.set()
      with lock:
          pass
  
  
  if __name__ == '__main__':
      import threading
      import eventlet
      eventlet.monkey_patch()
      test_lock = threading.RLock()
  
      e1, e2 = threading.Event(), threading.Event()
      a = eventlet.spawn(aaa, test_lock, e1, e2)
      b = eventlet.spawn(bbb, test_lock, e1, e2)
      a.wait()
      b.wait()
      print('pass')
  