1 // Copyright (C) 2011 Vicente J. Botet Escriba 2 // 3 // Distributed under the Boost Software License, Version 1.0. (See accompanying 4 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 5 6 // <boost/thread/strict_lock.hpp> 7 8 // template <class Lockable> 9 // strict_lock<Lockable> make_strict_lock(Lockable &); 10 11 #define BOOST_THREAD_VERSION 4 12 13 #include <boost/thread/lock_types.hpp> 14 #include <boost/thread/strict_lock.hpp> 15 #include <boost/thread/mutex.hpp> 16 #include <boost/thread/thread.hpp> 17 18 #include <boost/detail/lightweight_test.hpp> 19 #include "../../../../timming.hpp" 20 21 #ifdef BOOST_THREAD_USES_CHRONO 22 typedef boost::chrono::high_resolution_clock Clock; 23 typedef Clock::time_point time_point; 24 typedef Clock::duration duration; 25 typedef boost::chrono::milliseconds ms; 26 typedef boost::chrono::nanoseconds ns; 27 time_point t0; 28 time_point t1; 29 #endif 30 31 boost::mutex m; 32 33 #if ! defined(BOOST_NO_CXX11_AUTO_DECLARATIONS) && ! defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && ! defined BOOST_THREAD_NO_MAKE_NESTED_STRICT_LOCK && defined BOOST_THREAD_USES_CHRONO 34 35 const ms max_diff(BOOST_THREAD_TEST_TIME_MS); 36 f()37void f() 38 { 39 t0 = Clock::now(); 40 boost::unique_lock<boost::mutex> lg(m); 41 { 42 const auto&& nlg = boost::make_nested_strict_lock(lg); (void)nlg; 43 t1 = Clock::now(); 44 } 45 } 46 #endif 47 main()48int main() 49 { 50 51 #if ! defined(BOOST_NO_CXX11_AUTO_DECLARATIONS) && ! defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && ! defined BOOST_THREAD_NO_MAKE_NESTED_STRICT_LOCK && defined BOOST_THREAD_USES_CHRONO 52 { 53 m.lock(); 54 boost::thread t(f); 55 time_point t2 = Clock::now(); 56 boost::this_thread::sleep_for(ms(250)); 57 time_point t3 = Clock::now(); 58 m.unlock(); 59 t.join(); 60 61 ns sleep_time = t3 - t2; 62 ns d_ns = t1 - t0 - sleep_time; 63 ms d_ms = boost::chrono::duration_cast<boost::chrono::milliseconds>(d_ns); 64 // BOOST_TEST_GE(d_ms.count(), 0); 65 BOOST_THREAD_TEST_IT(d_ms, max_diff); 66 BOOST_THREAD_TEST_IT(d_ns, ns(max_diff)); 67 } 68 #endif 69 return boost::report_errors(); 70 } 71