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 | } |
17 |