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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) 2012 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/shared_mutex.hpp> | |
16 | ||
17 | // class shared_mutex; | |
18 | ||
19 | // template <class Clock, class Duration> | |
20 | // bool try_lock_until(const chrono::time_point<Clock, Duration>& abs_time); | |
21 | ||
22 | #include <boost/thread/shared_mutex.hpp> | |
23 | #include <boost/thread/thread.hpp> | |
24 | #include <boost/detail/lightweight_test.hpp> | |
92f5a8d4 | 25 | #include "../../../timming.hpp" |
7c673cae FG |
26 | |
27 | boost::shared_mutex m; | |
28 | ||
92f5a8d4 | 29 | typedef boost::chrono::high_resolution_clock Clock; |
7c673cae FG |
30 | typedef Clock::time_point time_point; |
31 | typedef Clock::duration duration; | |
32 | typedef boost::chrono::milliseconds ms; | |
33 | typedef boost::chrono::nanoseconds ns; | |
92f5a8d4 TL |
34 | time_point t0; |
35 | time_point t1; | |
7c673cae | 36 | |
92f5a8d4 | 37 | const ms max_diff(BOOST_THREAD_TEST_TIME_MS); |
11fdf7f2 | 38 | |
7c673cae FG |
39 | void f1() |
40 | { | |
92f5a8d4 | 41 | t0 = Clock::now(); |
11fdf7f2 | 42 | BOOST_TEST(m.try_lock_until(Clock::now() + ms(750)) == true); |
92f5a8d4 | 43 | t1 = Clock::now(); |
7c673cae | 44 | m.unlock(); |
7c673cae FG |
45 | } |
46 | ||
47 | void f2() | |
48 | { | |
92f5a8d4 | 49 | t0 = Clock::now(); |
7c673cae | 50 | BOOST_TEST(m.try_lock_until(Clock::now() + ms(250)) == false); |
92f5a8d4 | 51 | t1 = Clock::now(); |
7c673cae | 52 | ns d = t1 - t0 - ms(250); |
92f5a8d4 | 53 | BOOST_THREAD_TEST_IT(d, ns(max_diff)); |
7c673cae FG |
54 | } |
55 | ||
56 | int main() | |
57 | { | |
58 | { | |
59 | m.lock(); | |
60 | boost::thread t(f1); | |
92f5a8d4 | 61 | time_point t2 = Clock::now(); |
7c673cae | 62 | boost::this_thread::sleep_for(ms(250)); |
92f5a8d4 | 63 | time_point t3 = Clock::now(); |
7c673cae FG |
64 | m.unlock(); |
65 | t.join(); | |
92f5a8d4 TL |
66 | |
67 | ns sleep_time = t3 - t2; | |
68 | ns d_ns = t1 - t0 - sleep_time; | |
69 | ms d_ms = boost::chrono::duration_cast<boost::chrono::milliseconds>(d_ns); | |
70 | // BOOST_TEST_GE(d_ms.count(), 0); | |
71 | BOOST_THREAD_TEST_IT(d_ms, max_diff); | |
72 | BOOST_THREAD_TEST_IT(d_ns, ns(max_diff)); | |
7c673cae FG |
73 | } |
74 | { | |
75 | m.lock(); | |
76 | boost::thread t(f2); | |
11fdf7f2 | 77 | boost::this_thread::sleep_for(ms(750)); |
7c673cae FG |
78 | m.unlock(); |
79 | t.join(); | |
80 | } | |
81 | ||
82 | return boost::report_errors(); | |
83 | } | |
84 |