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 14 // <boost/thread/condition_variable_any> 15 16 // class condition_variable_any; 17 18 // condition_variable_any(const condition_variable_any&) = delete; 19 20 #include <boost/thread/condition_variable.hpp> 21 #include <boost/thread/mutex.hpp> 22 #include <boost/thread/thread.hpp> 23 #include <boost/detail/lightweight_test.hpp> 24 #include "../../../timming.hpp" 25 26 #if defined BOOST_THREAD_USES_CHRONO 27 typedef boost::chrono::milliseconds ms; 28 typedef boost::chrono::nanoseconds ns; 29 struct Clock 30 { 31 typedef boost::chrono::milliseconds duration; 32 typedef duration::rep rep; 33 typedef duration::period period; 34 typedef boost::chrono::time_point<Clock> time_point; 35 static const bool is_steady = true; 36 nowClock37 static time_point now() 38 { 39 using namespace boost::chrono; 40 return time_point(duration_cast<duration> (steady_clock::now().time_since_epoch())); 41 } 42 }; 43 44 boost::condition_variable_any cv; 45 46 typedef boost::timed_mutex L0; 47 typedef boost::unique_lock<L0> L1; 48 49 L0 m0; 50 51 int test1 = 0; 52 int test2 = 0; 53 54 int runs = 0; 55 56 const ms max_diff(BOOST_THREAD_TEST_TIME_MS); 57 f()58void f() 59 { 60 L1 lk(m0); 61 BOOST_TEST(test2 == 0); 62 test1 = 1; 63 cv.notify_one(); 64 Clock::time_point t0 = Clock::now(); 65 Clock::time_point t = t0 + Clock::duration(250); 66 while (test2 == 0 && cv.wait_until(lk, t) == boost::cv_status::no_timeout) {} 67 Clock::time_point t1 = Clock::now(); 68 if (runs == 0) 69 { 70 ns d = t1 - t0; 71 BOOST_THREAD_TEST_IT(d, ns(max_diff)); 72 BOOST_TEST(test2 != 0); 73 } 74 else 75 { 76 ns d = t1 - t0 - ms(250); 77 BOOST_THREAD_TEST_IT(d, ns(max_diff)); 78 BOOST_TEST(test2 == 0); 79 } 80 ++runs; 81 } 82 main()83int main() 84 { 85 { 86 L1 lk(m0); 87 boost::thread t(f); 88 BOOST_TEST(test1 == 0); 89 while (test1 == 0) 90 cv.wait(lk); 91 BOOST_TEST(test1 != 0); 92 test2 = 1; 93 lk.unlock(); 94 cv.notify_one(); 95 t.join(); 96 } 97 test1 = 0; 98 test2 = 0; 99 { 100 L1 lk(m0); 101 boost::thread t(f); 102 BOOST_TEST(test1 == 0); 103 while (test1 == 0) 104 cv.wait(lk); 105 BOOST_TEST(test1 != 0); 106 lk.unlock(); 107 t.join(); 108 } 109 110 return boost::report_errors(); 111 } 112 113 #else 114 #error "Test not applicable: BOOST_THREAD_USES_CHRONO not defined for this platform as not supported" 115 #endif 116