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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) 2013 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/future.hpp> | |
16 | ||
17 | // class future<R> | |
18 | ||
19 | // template <class Rep, class Period> | |
20 | // future_status | |
21 | // wait_until(const chrono::time_point<Clock, Duration>& abs_time) const; | |
22 | ||
23 | //#define BOOST_THREAD_VERSION 3 | |
24 | #define BOOST_THREAD_VERSION 4 | |
25 | //#define BOOST_THREAD_USES_LOG | |
26 | #define BOOST_THREAD_USES_LOG_THREAD_ID | |
27 | #include <boost/thread/detail/log.hpp> | |
28 | ||
29 | #include <boost/thread/future.hpp> | |
30 | #include <boost/thread/thread.hpp> | |
31 | #include <boost/chrono/chrono_io.hpp> | |
32 | #include <boost/detail/lightweight_test.hpp> | |
33 | ||
34 | #if defined BOOST_THREAD_USES_CHRONO | |
35 | ||
36 | #ifdef BOOST_MSVC | |
37 | #pragma warning(disable: 4127) // conditional expression is constant | |
38 | #endif | |
39 | ||
40 | typedef boost::chrono::milliseconds ms; | |
41 | ||
42 | namespace boost | |
43 | { | |
44 | template <typename OStream> | |
45 | OStream& operator<<(OStream& os , boost::future_status st ) | |
46 | { | |
47 | os << underlying_cast<int>(st) << " "; | |
48 | return os; | |
49 | } | |
50 | template <typename T> | |
51 | struct wrap | |
52 | { | |
53 | wrap(T const& v) : | |
54 | value(v) | |
55 | { | |
56 | } | |
57 | T value; | |
58 | ||
59 | }; | |
60 | ||
61 | template <typename T> | |
62 | exception_ptr make_exception_ptr(T v) | |
63 | { | |
64 | return copy_exception(wrap<T> (v)); | |
65 | } | |
66 | } | |
67 | ||
68 | void func1(boost::promise<int> p) | |
69 | { | |
70 | boost::this_thread::sleep_for(ms(500)); | |
71 | p.set_value(3); | |
72 | } | |
73 | ||
74 | int j = 0; | |
75 | ||
76 | void func3(boost::promise<int&> p) | |
77 | { | |
78 | boost::this_thread::sleep_for(ms(500)); | |
79 | j = 5; | |
80 | p.set_value(j); | |
81 | } | |
82 | ||
83 | void func5(boost::promise<void> p) | |
84 | { | |
85 | boost::this_thread::sleep_for(ms(500)); | |
86 | p.set_value(); | |
87 | } | |
88 | ||
89 | int main() | |
90 | { | |
91 | BOOST_THREAD_LOG << BOOST_THREAD_END_LOG; | |
92 | { | |
93 | typedef boost::chrono::high_resolution_clock Clock; | |
94 | { | |
95 | typedef int T; | |
96 | boost::promise<T> p; | |
97 | boost::future<T> f = p.get_future(); | |
98 | #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD) | |
99 | boost::thread(func1, boost::move(p)).detach(); | |
100 | #endif | |
101 | BOOST_TEST(f.valid()); | |
102 | BOOST_TEST_EQ(f.wait_until(Clock::now() + ms(300)) , boost::future_status::timeout); | |
103 | #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD) | |
104 | #else | |
105 | func1(boost::move(p)); | |
106 | #endif | |
107 | BOOST_TEST(f.valid()); | |
108 | BOOST_TEST_EQ(f.wait_until(Clock::now() + ms(300)) , boost::future_status::ready); | |
109 | BOOST_TEST(f.valid()); | |
110 | Clock::time_point t0 = Clock::now(); | |
111 | f.wait(); | |
112 | Clock::time_point t1 = Clock::now(); | |
113 | BOOST_TEST(f.valid()); | |
114 | BOOST_TEST(t1 - t0 < ms(50)); | |
115 | } | |
116 | { | |
117 | typedef int& T; | |
118 | boost::promise<T> p; | |
119 | boost::future<T> f = p.get_future(); | |
120 | #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD) | |
121 | boost::thread(func3, boost::move(p)).detach(); | |
122 | #endif | |
123 | BOOST_TEST(f.valid()); | |
124 | BOOST_TEST_EQ(f.wait_until(Clock::now() + ms(300)) , boost::future_status::timeout); | |
125 | BOOST_TEST(f.valid()); | |
126 | #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD) | |
127 | #else | |
128 | func3(boost::move(p)); | |
129 | #endif | |
130 | BOOST_TEST_EQ(f.wait_until(Clock::now() + ms(300)) , boost::future_status::ready); | |
131 | BOOST_TEST(f.valid()); | |
132 | Clock::time_point t0 = Clock::now(); | |
133 | f.wait(); | |
134 | Clock::time_point t1 = Clock::now(); | |
135 | BOOST_TEST(f.valid()); | |
136 | BOOST_TEST(t1 - t0 < ms(50)); | |
137 | } | |
138 | { | |
139 | typedef void T; | |
140 | boost::promise<T> p; | |
141 | boost::future<T> f = p.get_future(); | |
142 | #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD) | |
143 | boost::thread(func5, boost::move(p)).detach(); | |
144 | #endif | |
145 | BOOST_TEST(f.valid()); | |
146 | BOOST_TEST_EQ(f.wait_until(Clock::now() + ms(300)) , boost::future_status::timeout); | |
147 | BOOST_TEST(f.valid()); | |
148 | #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD) | |
149 | #else | |
150 | func5(boost::move(p)); | |
151 | #endif | |
152 | BOOST_TEST_EQ(f.wait_until(Clock::now() + ms(300)) , boost::future_status::ready); | |
153 | BOOST_TEST(f.valid()); | |
154 | Clock::time_point t0 = Clock::now(); | |
155 | f.wait(); | |
156 | Clock::time_point t1 = Clock::now(); | |
157 | BOOST_TEST(f.valid()); | |
158 | BOOST_TEST(t1 - t0 < ms(50)); | |
159 | } | |
160 | } | |
161 | BOOST_THREAD_LOG << BOOST_THREAD_END_LOG; | |
162 | ||
163 | return boost::report_errors(); | |
164 | } | |
165 | ||
166 | #else | |
167 | #error "Test not applicable: BOOST_THREAD_USES_CHRONO not defined for this platform as not supported" | |
168 | #endif |