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 10 // Copyright (C) 2011 Vicente J. Botet Escriba 11 // 12 // Distributed under the Boost Software License, Version 1.0. (See accompanying 13 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 14 15 // <boost/thread/shared_mutex.hpp> 16 17 // template <class Mutex> class shared_lock; 18 19 // shared_lock(shared_lock const&) = delete; 20 21 22 #include <boost/thread/lock_types.hpp> 23 #include <boost/thread/shared_mutex.hpp> 24 #include <boost/detail/lightweight_test.hpp> 25 26 boost::shared_mutex m0; 27 boost::shared_mutex m1; 28 main()29int main() 30 { 31 { 32 boost::shared_lock<boost::shared_mutex> lk0(m0); 33 boost::shared_lock<boost::shared_mutex> lk1(m1); 34 lk1 = boost::move(lk0); 35 BOOST_TEST(lk1.mutex() == &m0); 36 BOOST_TEST(lk1.owns_lock() == true); 37 BOOST_TEST(lk0.mutex() == 0); 38 BOOST_TEST(lk0.owns_lock() == false); 39 } 40 { 41 42 boost::shared_lock<boost::shared_mutex> lk1; 43 lk1 = BOOST_THREAD_MAKE_RV_REF(boost::shared_lock<boost::shared_mutex>(m0)); 44 BOOST_TEST(lk1.mutex() == &m0); 45 BOOST_TEST(lk1.owns_lock() == true); 46 } 47 { 48 boost::unique_lock<boost::shared_mutex> lk0(m0); 49 boost::shared_lock<boost::shared_mutex> lk1(m1); 50 lk1 = BOOST_THREAD_MAKE_RV_REF(boost::shared_lock<boost::shared_mutex>(boost::move(lk0))); 51 BOOST_TEST(lk1.mutex() == &m0); 52 BOOST_TEST(lk1.owns_lock() == true); 53 BOOST_TEST(lk0.mutex() == 0); 54 BOOST_TEST(lk0.owns_lock() == false); 55 } 56 { 57 58 boost::shared_lock<boost::shared_mutex> lk1; 59 lk1 = BOOST_THREAD_MAKE_RV_REF(boost::shared_lock<boost::shared_mutex>(boost::unique_lock<boost::shared_mutex>(m0))); 60 BOOST_TEST(lk1.mutex() == &m0); 61 BOOST_TEST(lk1.owns_lock() == true); 62 } 63 { 64 boost::upgrade_lock<boost::shared_mutex> lk0(m0); 65 boost::shared_lock<boost::shared_mutex> lk1(m1); 66 lk1 = BOOST_THREAD_MAKE_RV_REF(boost::shared_lock<boost::shared_mutex>(boost::move(lk0))); 67 BOOST_TEST(lk1.mutex() == &m0); 68 BOOST_TEST(lk1.owns_lock() == true); 69 BOOST_TEST(lk0.mutex() == 0); 70 BOOST_TEST(lk0.owns_lock() == false); 71 } 72 { 73 74 boost::shared_lock<boost::shared_mutex> lk1; 75 lk1 = BOOST_THREAD_MAKE_RV_REF(boost::shared_lock<boost::shared_mutex>(boost::upgrade_lock<boost::shared_mutex>(m0))); 76 BOOST_TEST(lk1.mutex() == &m0); 77 BOOST_TEST(lk1.owns_lock() == true); 78 } 79 return boost::report_errors(); 80 81 } 82 83