设计实现哲学家就餐问题。有五个哲学家围坐在一圆桌旁， 桌中央有一盘通心粉， 每个人面前有一只空盘子， 每俩人之间放一只筷子， 每个哲学家的行为是思考， 感到饥饿， 然后吃通心粉。 为了吃通心粉， 每个哲学家必须拿到两只筷子， 并且每个人只能直接从自己的左边或右边去拿筷子。-Design and implementation of the Dining Philosophers Problem. There are five philosophers sitting around a round table next to the Central Authorities have a pasta table, each person before an empty plate, each two had put a chopstick between each philosopher' s behavior is thinking, feeling hungry, then eat macaroni. In order to eat pasta, each philosopher has to get two chopsticks, and each person can only directly from their own chopsticks to pick up the left or right.