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- // Copyright (C) 2010 Vicente Botet
- //
- // Distributed under the Boost Software License, Version 1.0. (See accompanying
- // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
- #include <boost/thread/shared_mutex.hpp>
- #include <boost/thread/locks.hpp>
- int main() {
- boost::shared_mutex mtx; boost::upgrade_lock<boost::shared_mutex> lk(mtx);
- boost::upgrade_to_unique_lock<boost::shared_mutex> lk2(lk);
- return 0;
- }
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