]>
Commit | Line | Data |
---|---|---|
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 | // Copyright (C) 2011 Vicente J. Botet Escriba | |
10 | // | |
11 | // Distributed under the Boost Software License, Version 1.0. (See accompanying | |
12 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
13 | ||
14 | // <boost/thread/condition_variable> | |
15 | ||
16 | // class condition_variable; | |
17 | ||
18 | // condition_variable(const condition_variable&) = delete; | |
19 | ||
20 | #include <iostream> | |
21 | #include <boost/thread/condition_variable.hpp> | |
22 | #include <boost/thread/mutex.hpp> | |
23 | #include <boost/thread/thread.hpp> | |
24 | #include <boost/detail/lightweight_test.hpp> | |
b32b8144 | 25 | #include <cassert> |
7c673cae FG |
26 | |
27 | #if defined BOOST_THREAD_USES_CHRONO | |
28 | ||
29 | boost::condition_variable cv; | |
30 | boost::mutex mut; | |
31 | ||
32 | int test1 = 0; | |
33 | int test2 = 0; | |
34 | ||
35 | int runs = 0; | |
36 | ||
11fdf7f2 TL |
37 | typedef boost::chrono::steady_clock Clock; |
38 | typedef boost::chrono::milliseconds milliseconds; | |
39 | typedef boost::chrono::nanoseconds nanoseconds; | |
40 | ||
41 | #ifdef BOOST_THREAD_PLATFORM_WIN32 | |
42 | const milliseconds max_diff(250); | |
43 | #else | |
44 | const milliseconds max_diff(75); | |
45 | #endif | |
46 | ||
7c673cae FG |
47 | void f() |
48 | { | |
b32b8144 | 49 | try { |
b32b8144 FG |
50 | boost::unique_lock<boost::mutex> lk(mut); |
51 | assert(test2 == 0); | |
52 | test1 = 1; | |
53 | cv.notify_one(); | |
54 | Clock::time_point t0 = Clock::now(); | |
11fdf7f2 TL |
55 | Clock::time_point t = t0 + milliseconds(250); |
56 | while (test2 == 0 && cv.wait_for(lk, t - Clock::now()) == boost::cv_status::no_timeout) {} | |
b32b8144 FG |
57 | Clock::time_point t1 = Clock::now(); |
58 | if (runs == 0) | |
59 | { | |
11fdf7f2 | 60 | assert(t1 - t0 < max_diff); |
b32b8144 FG |
61 | assert(test2 != 0); |
62 | } | |
63 | else | |
64 | { | |
11fdf7f2 TL |
65 | nanoseconds d = t1 - t0 - milliseconds(250); |
66 | std::cout << "diff= " << d.count() << std::endl; | |
67 | std::cout << "max_diff= " << max_diff.count() << std::endl; | |
68 | assert( d < max_diff); | |
b32b8144 FG |
69 | assert(test2 == 0); |
70 | } | |
71 | ++runs; | |
72 | } catch(...) { | |
73 | std::cout << "ERROR exception" << __LINE__ << std::endl; | |
74 | assert(false); | |
7c673cae | 75 | } |
7c673cae FG |
76 | } |
77 | ||
78 | int main() | |
79 | { | |
b32b8144 | 80 | try |
7c673cae FG |
81 | { |
82 | boost::unique_lock<boost::mutex> lk(mut); | |
83 | boost::thread t(f); | |
84 | BOOST_TEST(test1 == 0); | |
85 | while (test1 == 0) | |
86 | cv.wait(lk); | |
87 | BOOST_TEST(test1 != 0); | |
88 | test2 = 1; | |
89 | lk.unlock(); | |
90 | cv.notify_one(); | |
91 | t.join(); | |
b32b8144 FG |
92 | } catch(...) { |
93 | std::cout << "ERROR exception" << __LINE__ << std::endl; | |
94 | BOOST_TEST(false); | |
7c673cae FG |
95 | } |
96 | test1 = 0; | |
97 | test2 = 0; | |
b32b8144 | 98 | try |
7c673cae FG |
99 | { |
100 | boost::unique_lock<boost::mutex> lk(mut); | |
101 | boost::thread t(f); | |
102 | BOOST_TEST(test1 == 0); | |
103 | while (test1 == 0) | |
104 | cv.wait(lk); | |
105 | BOOST_TEST(test1 != 0); | |
106 | lk.unlock(); | |
107 | t.join(); | |
b32b8144 FG |
108 | } catch(...) { |
109 | BOOST_TEST(false); | |
110 | std::cout << "ERROR exception" << __LINE__ << std::endl; | |
7c673cae | 111 | } |
7c673cae FG |
112 | return boost::report_errors(); |
113 | } | |
114 | #else | |
115 | #error "Test not applicable: BOOST_THREAD_USES_CHRONO not defined for this platform as not supported" | |
116 | #endif | |
117 |