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1 | // Copyright (C) 2010 Vicente Botet |
2 | // | |
3 | // Distributed under the Boost Software License, Version 1.0. (See accompanying | |
4 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
5 | ||
6 | #include <boost/thread/shared_mutex.hpp> | |
7 | #include <boost/thread/locks.hpp> | |
8 | ||
9 | int main() { | |
10 | ||
11 | boost::shared_mutex mtx; boost::upgrade_lock<boost::shared_mutex> lk(mtx); | |
12 | ||
13 | boost::upgrade_to_unique_lock<boost::shared_mutex> lk2(lk); | |
14 | ||
15 | return 0; | |
16 | } |