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/locks.hpp> 16 17 // template <class Mutex> class unique_lock; 18 19 // template <class Clock, class Duration> 20 // unique_lock(mutex_type& m, const chrono::time_point<Clock, Duration>& abs_time); 21 22 #define BOOST_THREAD_PROVIDES_GENERIC_SHARED_MUTEX_ON_WIN 23 24 #include <boost/thread/lock_types.hpp> 25 #include <boost/thread/mutex.hpp> 26 #include <boost/thread/thread.hpp> 27 #include <boost/detail/lightweight_test.hpp> 28 #include "../../../../../timming.hpp" 29 30 #if defined BOOST_THREAD_USES_CHRONO 31 32 boost::timed_mutex m; 33 34 typedef boost::chrono::high_resolution_clock Clock; 35 typedef Clock::time_point time_point; 36 typedef Clock::duration duration; 37 typedef boost::chrono::milliseconds ms; 38 typedef boost::chrono::nanoseconds ns; 39 time_point t0; 40 time_point t1; 41 42 const ms max_diff(BOOST_THREAD_TEST_TIME_MS); 43 f1()44void f1() 45 { 46 t0 = Clock::now(); 47 boost::unique_lock<boost::timed_mutex> lk(m, Clock::now() + ms(750)); 48 BOOST_TEST(lk.owns_lock() == true); 49 t1 = Clock::now(); 50 } 51 f2()52void f2() 53 { 54 t0 = Clock::now(); 55 boost::unique_lock<boost::timed_mutex> lk(m, Clock::now() + ms(250)); 56 BOOST_TEST(lk.owns_lock() == false); 57 t1 = Clock::now(); 58 ns d = t1 - t0 - ms(250); 59 BOOST_TEST(d < max_diff); 60 } 61 main()62int main() 63 { 64 { 65 m.lock(); 66 boost::thread t(f1); 67 time_point t2 = Clock::now(); 68 boost::this_thread::sleep_for(ms(250)); 69 time_point t3 = Clock::now(); 70 m.unlock(); 71 t.join(); 72 73 ns sleep_time = t3 - t2; 74 ns d_ns = t1 - t0 - sleep_time; 75 ms d_ms = boost::chrono::duration_cast<boost::chrono::milliseconds>(d_ns); 76 // BOOST_TEST_GE(d_ms.count(), 0); 77 BOOST_THREAD_TEST_IT(d_ms, max_diff); 78 BOOST_THREAD_TEST_IT(d_ns, ns(max_diff)); 79 } 80 { 81 m.lock(); 82 boost::thread t(f2); 83 boost::this_thread::sleep_for(ms(750)); 84 m.unlock(); 85 t.join(); 86 } 87 88 return boost::report_errors(); 89 } 90 91 #else 92 #error "Test not applicable: BOOST_THREAD_USES_CHRONO not defined for this platform as not supported" 93 #endif 94