1 //===----------------------------------------------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // Copyright (C) 2011 Vicente J. Botet Escriba
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)
15 // <boost/thread/locks.hpp>
17 // template <class Mutex> class upgrade_lock;
19 // template <class Clock, class Duration>
20 // upgrade_lock(mutex_type& m, const chrono::time_point<Clock, Duration>& abs_time);
22 #define BOOST_THREAD_PROVIDES_GENERIC_SHARED_MUTEX_ON_WIN
24 #include <boost/thread/lock_types.hpp>
25 #include <boost/thread/shared_mutex.hpp>
26 #include <boost/thread/thread.hpp>
27 #include <boost/detail/lightweight_test.hpp>
29 boost::shared_mutex m;
31 typedef boost::chrono::steady_clock Clock;
32 typedef Clock::time_point time_point;
33 typedef Clock::duration duration;
34 typedef boost::chrono::milliseconds ms;
35 typedef boost::chrono::nanoseconds ns;
39 time_point t0 = Clock::now();
40 // This test is spurious as it depends on the time the thread system switches the threads
41 boost::upgrade_lock<boost::shared_mutex> lk(m, Clock::now() + ms(300)+ms(1000));
42 BOOST_TEST(lk.owns_lock() == true);
43 time_point t1 = Clock::now();
44 ns d = t1 - t0 - ms(250);
45 // This test is spurious as it depends on the time the thread system switches the threads
46 BOOST_TEST(d < ns(50000000)+ms(1000)); // within 50ms
51 time_point t0 = Clock::now();
52 boost::upgrade_lock<boost::shared_mutex> lk(m, Clock::now() + ms(250));
53 BOOST_TEST(lk.owns_lock() == false);
54 time_point t1 = Clock::now();
55 ns d = t1 - t0 - ms(250);
56 // This test is spurious as it depends on the time the thread system switches the threads
57 BOOST_TEST(d < ns(5000000)+ms(1000)); // within 5ms
65 boost::this_thread::sleep_for(ms(250));
72 boost::this_thread::sleep_for(ms(300));
77 return boost::report_errors();