id summary reporter owner description type status milestone component version severity resolution keywords cc 1039 read_write_mutex docs don't clearly specify that the functionality is not present Anthony Williams Anthony Williams "read_write_mutex is not provided in boost 1.34 since the existing version is broken. Even though this is mentioned in the documentation for the ReadWriteMutex concept, in the actual documentation for read_write_mutex there is no mention that it's not included. Links: http://www.boost.org/doc/html/boost/read_write_mutex.html http://www.boost.org/doc/html/boost/try_read_write_mutex.html http://www.boost.org/doc/html/boost/timed_read_write_mutex.html " Bugs closed Boost 1.34.1 thread Boost 1.34.0 Problem fixed