ceph/src/boost/libs/thread/test/sync/mutual_exclusion/recursive_timed_mutex/lock_pass.cpp

   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/recursive_mutex.hpp>
  16
  17 // class recursive_timed_mutex;
  18
  19 // void lock();
  20
  21 #include <boost/thread/recursive_mutex.hpp>
  22 #include <boost/thread/thread.hpp>
  23 #include <boost/detail/lightweight_test.hpp>
  24 #include <iostream>
  25 #include "../../../timming.hpp"
  26
  27 boost::recursive_timed_mutex m;
  28
  29 #if defined BOOST_THREAD_USES_CHRONO
  30 typedef boost::chrono::high_resolution_clock Clock;
  31 typedef Clock::time_point time_point;
  32 typedef Clock::duration duration;
  33 typedef boost::chrono::milliseconds ms;
  34 typedef boost::chrono::nanoseconds ns;
  35 time_point t0;
  36 time_point t1;
  37 #else
  38 #endif
  39
  40 const ms max_diff(BOOST_THREAD_TEST_TIME_MS);
  41
  42 void f()
  43 {
  44 #if defined BOOST_THREAD_USES_CHRONO
  45   t0 = Clock::now();
  46   m.lock();
  47   t1 = Clock::now();
  48   m.lock();
  49   m.unlock();
  50   m.unlock();
  51 #else
  52   //time_point t0 = Clock::now();
  53   m.lock();
  54   //time_point t1 = Clock::now();
  55   m.lock();
  56   m.unlock();
  57   m.unlock();
  58   //ns d = t1 - t0 - ms(250);
  59   //BOOST_TEST(d < max_diff);
  60 #endif
  61 }
  62
  63 int main()
  64 {
  65   m.lock();
  66   boost::thread t(f);
  67 #if defined BOOST_THREAD_USES_CHRONO
  68   time_point t2 = Clock::now();
  69   boost::this_thread::sleep_for(ms(250));
  70   time_point t3 = Clock::now();
  71 #else
  72 #endif
  73   m.unlock();
  74   t.join();
  75
  76 #if defined BOOST_THREAD_USES_CHRONO
  77   ns sleep_time = t3 - t2;
  78   ns d_ns = t1 - t0 - sleep_time;
  79   ms d_ms = boost::chrono::duration_cast<boost::chrono::milliseconds>(d_ns);
  80   // BOOST_TEST_GE(d_ms.count(), 0);
  81   BOOST_THREAD_TEST_IT(d_ms, max_diff);
  82   BOOST_THREAD_TEST_IT(d_ns, ns(max_diff));
  83 #endif
  84
  85   return boost::report_errors();
  86 }
  87
  88