diningPhilosophers.py 文件源码

def run(self):
    print("{} has started thinking".format(threading.currentThread().getName()))
    while True:
      time.sleep(random.randint(1,5))
      print("{} has finished thinking".format(threading.currentThread().getName()))
      self.leftFork.acquire()
      time.sleep(random.randint(1,5))
      try:
        print("{} has acquired the left fork".format(threading.currentThread().getName()))

        self.rightFork.acquire()
        try:
          print("{} has attained both forks, currently eating".format(threading.currentThread().getName()))
        finally:
          self.rightFork.release()   
          print("{} has released the right fork".format(threading.currentThread().getName()))
      finally:
        self.leftFork.release()
        print("{} has released the left fork".format(threading.currentThread().getName()))