ceph/src/boost/libs/thread/test/sync/mutual_exclusion/locks/unique_lock/cons/make_unique_locks_mutex_pass.cpp

   1 // Copyright (C) 2012 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/lock_factories.hpp>
   7
   8 // template <class Mutex>
   9 // unique_lock<Mutex> make_unique_lock(Mutex&);
  10
  11 #define BOOST_THREAD_VERSION 4
  12
  13 #include <boost/thread/lock_factories.hpp>
  14 #include <boost/thread/mutex.hpp>
  15 #include <boost/thread/thread.hpp>
  16 #include <boost/detail/lightweight_test.hpp>
  17 #include "../../../../../timming.hpp"
  18
  19 #if ! defined(BOOST_NO_CXX11_AUTO_DECLARATIONS) && ! defined BOOST_THREAD_NO_MAKE_UNIQUE_LOCKS && ! defined BOOST_NO_CXX11_RVALUE_REFERENCES
  20
  21 boost::mutex m1;
  22 boost::mutex m2;
  23 boost::mutex m3;
  24
  25
  26 #if defined BOOST_THREAD_USES_CHRONO
  27
  28 typedef boost::chrono::high_resolution_clock Clock;
  29 typedef Clock::time_point time_point;
  30 typedef Clock::duration duration;
  31 typedef boost::chrono::milliseconds ms;
  32 typedef boost::chrono::nanoseconds ns;
  33 time_point t0;
  34 time_point t1;
  35 #else
  36 #endif
  37
  38 const ms max_diff(BOOST_THREAD_TEST_TIME_MS);
  39
  40 void f()
  41 {
  42 #if defined BOOST_THREAD_USES_CHRONO
  43   t0 = Clock::now();
  44   {
  45     auto&& _ = boost::make_unique_locks(m1,m2,m3); (void)_;
  46     t1 = Clock::now();
  47   }
  48 #else
  49   //time_point t0 = Clock::now();
  50   //time_point t1;
  51   {
  52     auto&& _ = boost::make_unique_locks(m1,m2,m3); (void)_;
  53     //t1 = Clock::now();
  54   }
  55   //ns d = t1 - t0 - ms(250);
  56   //BOOST_TEST(d < max_diff);
  57 #endif
  58 }
  59
  60 int main()
  61 {
  62   m1.lock();
  63   m2.lock();
  64   m3.lock();
  65   boost::thread t(f);
  66 #if defined BOOST_THREAD_USES_CHRONO
  67   time_point t2 = Clock::now();
  68   boost::this_thread::sleep_for(ms(250));
  69   time_point t3 = Clock::now();
  70 #else
  71 #endif
  72   m1.unlock();
  73   m2.unlock();
  74   m3.unlock();
  75   t.join();
  76
  77 #if defined BOOST_THREAD_USES_CHRONO
  78   ns sleep_time = t3 - t2;
  79   ns d_ns = t1 - t0 - sleep_time;
  80   ms d_ms = boost::chrono::duration_cast<boost::chrono::milliseconds>(d_ns);
  81   // BOOST_TEST_GE(d_ms.count(), 0);
  82   BOOST_THREAD_TEST_IT(d_ms, max_diff);
  83   BOOST_THREAD_TEST_IT(d_ns, ns(max_diff));
  84 #endif
  85
  86   return boost::report_errors();
  87 }
  88 #else
  89 int main()
  90 {
  91   return boost::report_errors();
  92 }
  93 #endif
  94