move_ctor_shared_lock_for_pass.cpp 2.3 KB

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  1. //===----------------------------------------------------------------------===//
  2. //
  3. // The LLVM Compiler Infrastructure
  4. //
  5. // This file is dual licensed under the MIT and the University of Illinois Open
  6. // Source Licenses. See LICENSE.TXT for details.
  7. //
  8. //===----------------------------------------------------------------------===//
  9. // Copyright (C) 2011 Vicente J. Botet Escriba
  10. //
  11. // Distributed under the Boost Software License, Version 1.0. (See accompanying
  12. // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  13. // <boost/thread/locks.hpp>
  14. // template <class Mutex> class upgrade_lock;
  15. // template <class Clock, class Duration>
  16. // upgrade_lock(shared_lock<mutex_type>&&,
  17. // const chrono::duration<Rep, Period>&);
  18. #define BOOST_THREAD_PROVIDES_SHARED_MUTEX_UPWARDS_CONVERSIONS
  19. #define BOOST_THREAD_PROVIDES_EXPLICIT_LOCK_CONVERSION
  20. #define BOOST_THREAD_PROVIDES_GENERIC_SHARED_MUTEX_ON_WIN
  21. #include <boost/thread/lock_types.hpp>
  22. #include <boost/thread/shared_mutex.hpp>
  23. #include <boost/detail/lightweight_test.hpp>
  24. boost::shared_mutex m;
  25. int main()
  26. {
  27. {
  28. boost::shared_lock<boost::shared_mutex> lk0(m);
  29. boost::upgrade_lock<boost::shared_mutex> lk(boost::move(lk0), boost::chrono::milliseconds(1));
  30. BOOST_TEST(lk.mutex() == &m);
  31. BOOST_TEST(lk.owns_lock() == true);
  32. BOOST_TEST(lk0.mutex() == 0);
  33. BOOST_TEST(lk0.owns_lock() == false);
  34. }
  35. {
  36. boost::upgrade_lock<boost::shared_mutex>
  37. lk(boost::shared_lock<boost::shared_mutex>(m), boost::chrono::milliseconds(1));
  38. BOOST_TEST(lk.mutex() == &m);
  39. BOOST_TEST(lk.owns_lock() == true);
  40. }
  41. {
  42. boost::shared_lock<boost::shared_mutex> lk0(m, boost::defer_lock);
  43. boost::upgrade_lock<boost::shared_mutex> lk(boost::move(lk0), boost::chrono::milliseconds(1));
  44. BOOST_TEST(lk.mutex() == &m);
  45. BOOST_TEST(lk.owns_lock() == false);
  46. BOOST_TEST(lk0.mutex() == 0);
  47. BOOST_TEST(lk0.owns_lock() == false);
  48. }
  49. {
  50. boost::shared_lock<boost::shared_mutex> lk0(m, boost::defer_lock);
  51. lk0.release();
  52. boost::upgrade_lock<boost::shared_mutex> lk(boost::move(lk0), boost::chrono::milliseconds(1));
  53. BOOST_TEST(lk.mutex() == 0);
  54. BOOST_TEST(lk.owns_lock() == false);
  55. BOOST_TEST(lk0.mutex() == 0);
  56. BOOST_TEST(lk0.owns_lock() == false);
  57. }
  58. return boost::report_errors();
  59. }