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7c673cae FG |
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_lock_guard.hpp> | |
16 | ||
17 | // template <class Mutex> class shared_lock_guard; | |
18 | ||
19 | // shared_lock_guard(mutex_type& m, adopt_lock_t); | |
20 | ||
21 | #include <boost/thread/shared_lock_guard.hpp> | |
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 | #if defined BOOST_THREAD_USES_CHRONO | |
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; | |
92f5a8d4 TL |
33 | time_point t0; |
34 | time_point t1; | |
7c673cae FG |
35 | #else |
36 | #endif | |
37 | ||
38 | boost::shared_mutex m; | |
39 | ||
92f5a8d4 | 40 | const ms max_diff(BOOST_THREAD_TEST_TIME_MS); |
11fdf7f2 | 41 | |
7c673cae FG |
42 | void f() |
43 | { | |
44 | #if defined BOOST_THREAD_USES_CHRONO | |
92f5a8d4 | 45 | t0 = Clock::now(); |
7c673cae FG |
46 | { |
47 | m.lock_shared(); | |
48 | boost::shared_lock_guard<boost::shared_mutex> lg(m, boost::adopt_lock); | |
49 | t1 = Clock::now(); | |
50 | } | |
7c673cae FG |
51 | #else |
52 | //time_point t0 = Clock::now(); | |
53 | //time_point t1; | |
54 | { | |
55 | m.lock_shared(); | |
56 | boost::shared_lock_guard<boost::shared_mutex> lg(m, boost::adopt_lock); | |
57 | //t1 = Clock::now(); | |
58 | } | |
59 | //ns d = t1 - t0 - ms(250); | |
11fdf7f2 | 60 | //BOOST_TEST(d < max_diff); |
7c673cae FG |
61 | #endif |
62 | } | |
63 | ||
64 | int main() | |
65 | { | |
66 | m.lock(); | |
67 | boost::thread t(f); | |
68 | #if defined BOOST_THREAD_USES_CHRONO | |
92f5a8d4 | 69 | time_point t2 = Clock::now(); |
7c673cae | 70 | boost::this_thread::sleep_for(ms(250)); |
92f5a8d4 | 71 | time_point t3 = Clock::now(); |
7c673cae FG |
72 | #else |
73 | #endif | |
74 | m.unlock(); | |
75 | t.join(); | |
76 | ||
92f5a8d4 TL |
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 | ||
7c673cae FG |
86 | return boost::report_errors(); |
87 | } | |
88 |