boost 读写锁

typedef boost::shared_lock<boost::shared_mutex> boost_share_lock;  typedef boost::unique_lock<boost::shared_mutex> boost_unique_lock;boost::shared_mutex lock;void reader(){          boost_share_lock bsl(lock);     //read something......}<pre name="code" class="cpp">void writer(){          boost_uniq_lock bsl(lock);     //read something......}

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