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 // explicit unique_lock(Mutex& m); 20 21 22 #include <boost/thread/lock_types.hpp> 23 #include <boost/thread/mutex.hpp> 24 #include <boost/thread/thread.hpp> 25 #include <boost/detail/lightweight_test.hpp> 26 #include <iostream> 27 #include "../../../../../timming.hpp" 28 29 30 boost::mutex m; 31 32 #if defined BOOST_THREAD_USES_CHRONO 33 typedef boost::chrono::high_resolution_clock Clock; 34 typedef Clock::time_point time_point; 35 typedef Clock::duration duration; 36 typedef boost::chrono::milliseconds ms; 37 typedef boost::chrono::nanoseconds ns; 38 time_point t0; 39 time_point t1; 40 #else 41 #endif 42 43 const ms max_diff(BOOST_THREAD_TEST_TIME_MS); 44 f()45void f() 46 { 47 #if defined BOOST_THREAD_USES_CHRONO 48 t0 = Clock::now(); 49 { 50 boost::unique_lock<boost::mutex> ul(m); 51 t1 = Clock::now(); 52 } 53 #else 54 //time_point t0 = Clock::now(); 55 //time_point t1; 56 { 57 boost::unique_lock<boost::mutex> ul(m); 58 //t1 = Clock::now(); 59 } 60 //ns d = t1 - t0 - ms(250); 61 //BOOST_TEST(d < max_diff); 62 #endif 63 } 64 main()65int main() 66 { 67 m.lock(); 68 boost::thread t(f); 69 #if defined BOOST_THREAD_USES_CHRONO 70 time_point t2 = Clock::now(); 71 boost::this_thread::sleep_for(ms(250)); 72 time_point t3 = Clock::now(); 73 #else 74 #endif 75 m.unlock(); 76 t.join(); 77 78 #if defined BOOST_THREAD_USES_CHRONO 79 ns sleep_time = t3 - t2; 80 ns d_ns = t1 - t0 - sleep_time; 81 ms d_ms = boost::chrono::duration_cast<boost::chrono::milliseconds>(d_ns); 82 // BOOST_TEST_GE(d_ms.count(), 0); 83 BOOST_THREAD_TEST_IT(d_ms, max_diff); 84 BOOST_THREAD_TEST_IT(d_ns, ns(max_diff)); 85 #endif 86 87 return boost::report_errors(); 88 } 89 90 91