MIT6.830 simple-db
同学好，我也是在做mit6.830 的同学，lab 4 里面实现的 读写锁，在BufferPool.getPage() 函数中，使用synchronized 代码块那里是不是有点问题？ 想来探讨一下， 因为这里不是要实现一个读写锁么，如果你用synchronized 代码块的话，你实现的读写锁就没有意义了，如果按照你的实现方法就变成了，所有的访问同一个页的 都需要先竞争这个锁，竞争到了 然后才会分读锁和写锁 ，而传统意义的读写锁是 读写竞争，读读不竞争，你看看是不是这样有问题？ 还是我没读懂你的代码 还请交流指教 谢谢！ 我的邮箱 [email protected]
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