readers priority. Operating restrictions : a) write
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读者优先问题。操作限制:1)写-写互斥;2)读-写互斥;3)读-读允许; 读者优先的附加限制:如果一个读者申请进行读操作时已有另一读者正在进行读操作,则该读者可直接开始读操作。-readers priority. Operating restrictions : a) write-write contradict; 2) read-write mutually exclusive; 3) Reading-Reading allowed; Readers priority to the additional restrictions : If an application for readers read another operation has been under way readers read operation, the reader can directly read operation began.
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read-first.cpp
www.pudn.com.txt