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I’m looking for a good reader/writer lock in C++. We have a use case of a single infrequent writer and many frequent readers and would like to optimize for this. Preferable I would like a cross-platform solution, however a Windows only one would be acceptable.
Newer versions of boost::thread have read/write locks (1.35.0 and later, apparently the previous versions did not work correctly).
They have the names
shared_lock,unique_lock, andupgrade_lockand operate on ashared_mutex.