1 // Copyright (C) 2012 Vicente J. Botet Escriba 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 // <boost/thread/locks.hpp> 7 8 // template <class Mutex> class unlock_guard; 9 10 // unlock_guard(unlock_guard const&) = delete; 11 12 #include <boost/thread/reverse_lock.hpp> 13 #include <boost/thread/lock_types.hpp> 14 #include <boost/thread/mutex.hpp> 15 #include <boost/thread/thread.hpp> 16 #include <boost/detail/lightweight_test.hpp> 17 18 main()19int main() 20 { 21 { 22 boost::mutex m; 23 boost::unique_lock<boost::mutex> lk(m); 24 BOOST_TEST(lk.owns_lock()); 25 BOOST_TEST(lk.mutex()==&m); 26 27 { 28 boost::reverse_lock<boost::unique_lock<boost::mutex> > lg(lk); 29 BOOST_TEST(!lk.owns_lock()); 30 BOOST_TEST(lk.mutex()==0); 31 } 32 BOOST_TEST(lk.owns_lock()); 33 BOOST_TEST(lk.mutex()==&m); 34 } 35 36 { 37 boost::mutex m; 38 boost::unique_lock<boost::mutex> lk(m, boost::defer_lock); 39 BOOST_TEST(! lk.owns_lock()); 40 BOOST_TEST(lk.mutex()==&m); 41 { 42 boost::reverse_lock<boost::unique_lock<boost::mutex> > lg(lk); 43 BOOST_TEST(!lk.owns_lock()); 44 BOOST_TEST(lk.mutex()==0); 45 } 46 BOOST_TEST(lk.owns_lock()); 47 BOOST_TEST(lk.mutex()==&m); 48 } 49 50 51 return boost::report_errors(); 52 } 53