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/locks.hpp>
16
17 // template <class Mutex> class upgrade_lock;
18
19 // template <class Rep, class Period>
20 // upgrade_lock(mutex_type& m, const chrono::duration<Rep, Period>& rel_time);
21
22 #define BOOST_THREAD_PROVIDES_GENERIC_SHARED_MUTEX_ON_WIN
23
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>
28 #include <boost/chrono/chrono_io.hpp>
29 #include "../../../../../timming.hpp"
30
31 boost::shared_mutex m;
32
33 typedef boost::chrono::high_resolution_clock Clock;
34 typedef Clock::time_point time_point;
35 typedef Clock::duration duration;
36 typedef boost::chrono::milliseconds ms;
37 typedef boost::chrono::nanoseconds ns;
38 time_point t0;
39 time_point t1;
40
41 const ms max_diff(BOOST_THREAD_TEST_TIME_MS);
42
f1()43 void f1()
44 {
45 t0 = Clock::now();
46 boost::upgrade_lock<boost::shared_mutex> lk(m, ms(750));
47 BOOST_TEST(lk.owns_lock() == true);
48 t1 = Clock::now();
49 }
50
f2()51 void f2()
52 {
53 t0 = Clock::now();
54 boost::upgrade_lock<boost::shared_mutex> lk(m, ms(250));
55 BOOST_TEST(lk.owns_lock() == false);
56 t1 = Clock::now();
57 ns d = t1 - t0 - ms(250);
58 BOOST_THREAD_TEST_IT(d, ns(max_diff));
59 }
60
main()61 int main()
62 {
63 {
64 m.lock();
65 boost::thread t(f1);
66 time_point t2 = Clock::now();
67 boost::this_thread::sleep_for(ms(250));
68 time_point t3 = Clock::now();
69 m.unlock();
70 t.join();
71
72 ns sleep_time = t3 - t2;
73 ns d_ns = t1 - t0 - sleep_time;
74 ms d_ms = boost::chrono::duration_cast<boost::chrono::milliseconds>(d_ns);
75 // BOOST_TEST_GE(d_ms.count(), 0);
76 BOOST_THREAD_TEST_IT(d_ms, max_diff);
77 BOOST_THREAD_TEST_IT(d_ns, ns(max_diff));
78 }
79 {
80 m.lock();
81 boost::thread t(f2);
82 boost::this_thread::sleep_for(ms(750));
83 m.unlock();
84 t.join();
85 }
86
87 return boost::report_errors();
88 }
89
90