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/strict_lock.hpp>
14 #include <boost/thread/mutex.hpp>
15 #include <boost/thread/thread.hpp>
16 
17 #include <boost/detail/lightweight_test.hpp>
18 #include "../../../../timming.hpp"
19 
20 #ifdef BOOST_THREAD_USES_CHRONO
21 typedef boost::chrono::high_resolution_clock Clock;
22 typedef Clock::time_point time_point;
23 typedef Clock::duration duration;
24 typedef boost::chrono::milliseconds ms;
25 typedef boost::chrono::nanoseconds ns;
26 time_point t0;
27 time_point t1;
28 #endif
29 
30 boost::mutex m;
31 
32 #if ! defined(BOOST_NO_CXX11_AUTO_DECLARATIONS) && ! defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && ! defined BOOST_THREAD_NO_MAKE_STRICT_LOCK && defined BOOST_THREAD_USES_CHRONO
33 
34 const ms max_diff(BOOST_THREAD_TEST_TIME_MS);
35 
f()36 void f()
37 {
38   t0 = Clock::now();
39   {
40     const auto&& lg = boost::make_strict_lock(m); (void)lg;
41     t1 = Clock::now();
42   }
43   ns d = t1 - t0 - ms(250);
44   BOOST_THREAD_TEST_IT(d, ns(max_diff));
45 }
46 #endif
47 
main()48 int main()
49 {
50 
51 #if ! defined(BOOST_NO_CXX11_AUTO_DECLARATIONS) && ! defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && ! defined BOOST_THREAD_NO_MAKE_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