make_unique_lock_defer_lock_pass.cpp 848 B

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  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. // <boost/thread/lock_factories.hpp>
  6. // template <class Mutex> class unique_lock;
  7. // unique_lock<Mutex> make_unique_lock(Mutex&, defer_lock_t);
  8. // unique_lock(mutex_type& m, adopt_lock_t);
  9. #define BOOST_THREAD_VERSION 4
  10. #include <boost/thread/lock_factories.hpp>
  11. #include <boost/thread/mutex.hpp>
  12. #include <boost/detail/lightweight_test.hpp>
  13. int main()
  14. {
  15. boost::mutex m;
  16. #if ! defined(BOOST_NO_CXX11_AUTO_DECLARATIONS)
  17. auto
  18. #else
  19. boost::unique_lock<boost::mutex>
  20. #endif
  21. lk = boost::make_unique_lock(m, boost::defer_lock);
  22. BOOST_TEST(lk.mutex() == &m);
  23. BOOST_TEST(lk.owns_lock() == false);
  24. return boost::report_errors();
  25. }