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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 shared_future<R> | |
18 | ||
19 | // template <class Rep, class Period> | |
20 | // void wait() const; | |
21 | ||
22 | //#define BOOST_THREAD_VERSION 3 | |
23 | #define BOOST_THREAD_VERSION 4 | |
24 | //#define BOOST_THREAD_USES_LOG | |
25 | #define BOOST_THREAD_USES_LOG_THREAD_ID | |
26 | #include <boost/thread/detail/log.hpp> | |
27 | ||
28 | #include <boost/thread/future.hpp> | |
29 | #include <boost/thread/thread.hpp> | |
30 | #include <boost/chrono/chrono_io.hpp> | |
31 | #include <boost/detail/lightweight_test.hpp> | |
32 | ||
33 | #if defined BOOST_THREAD_USES_CHRONO | |
34 | ||
b32b8144 FG |
35 | #ifdef BOOST_MSVC |
36 | #pragma warning(disable: 4127) // conditional expression is constant | |
37 | #endif | |
38 | ||
7c673cae FG |
39 | typedef boost::chrono::milliseconds ms; |
40 | ||
41 | namespace boost | |
42 | { | |
43 | template <typename OStream> | |
44 | OStream& operator<<(OStream& os , boost::future_status st ) | |
45 | { | |
46 | os << underlying_cast<int>(st) << " "; | |
47 | return os; | |
48 | } | |
49 | template <typename T> | |
50 | struct wrap | |
51 | { | |
52 | wrap(T const& v) : | |
53 | value(v) | |
54 | { | |
55 | } | |
56 | T value; | |
57 | ||
58 | }; | |
59 | ||
60 | template <typename T> | |
61 | exception_ptr make_exception_ptr(T v) | |
62 | { | |
63 | return copy_exception(wrap<T> (v)); | |
64 | } | |
65 | } | |
66 | ||
67 | void func1(boost::promise<int> p) | |
68 | { | |
69 | boost::this_thread::sleep_for(ms(500)); | |
70 | p.set_value(3); | |
71 | } | |
72 | ||
73 | int j = 0; | |
74 | ||
75 | void func3(boost::promise<int&> p) | |
76 | { | |
77 | boost::this_thread::sleep_for(ms(500)); | |
78 | j = 5; | |
79 | p.set_value(j); | |
80 | } | |
81 | ||
82 | void func5(boost::promise<void> p) | |
83 | { | |
84 | boost::this_thread::sleep_for(ms(500)); | |
85 | p.set_value(); | |
86 | } | |
87 | ||
88 | int main() | |
89 | { | |
90 | BOOST_THREAD_LOG << BOOST_THREAD_END_LOG; | |
91 | { | |
92 | typedef boost::chrono::high_resolution_clock Clock; | |
93 | { | |
94 | typedef int T; | |
95 | boost::promise<T> p; | |
96 | boost::shared_future<T> f((p.get_future())); | |
97 | #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD) | |
98 | boost::thread(func1, boost::move(p)).detach(); | |
99 | #else | |
100 | func1(boost::move(p)); | |
101 | #endif | |
102 | BOOST_TEST(f.valid()); | |
103 | f.wait(); | |
104 | BOOST_TEST(f.valid()); | |
105 | Clock::time_point t0 = Clock::now(); | |
106 | f.wait(); | |
107 | Clock::time_point t1 = Clock::now(); | |
108 | BOOST_TEST(f.valid()); | |
109 | BOOST_TEST(t1 - t0 < ms(50)); | |
110 | } | |
111 | { | |
112 | typedef int& T; | |
113 | boost::promise<T> p; | |
114 | boost::shared_future<T> f((p.get_future())); | |
115 | #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD) | |
116 | boost::thread(func3, boost::move(p)).detach(); | |
117 | #else | |
118 | func3(boost::move(p)); | |
119 | #endif | |
120 | BOOST_TEST(f.valid()); | |
121 | f.wait(); | |
122 | BOOST_TEST(f.valid()); | |
123 | Clock::time_point t0 = Clock::now(); | |
124 | f.wait(); | |
125 | Clock::time_point t1 = Clock::now(); | |
126 | BOOST_TEST(f.valid()); | |
127 | BOOST_TEST(t1 - t0 < ms(50)); | |
128 | } | |
129 | { | |
130 | typedef void T; | |
131 | boost::promise<T> p; | |
132 | boost::shared_future<T> f((p.get_future())); | |
133 | #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD) | |
134 | boost::thread(func5, boost::move(p)).detach(); | |
135 | #else | |
136 | func5(boost::move(p)); | |
137 | #endif | |
138 | BOOST_TEST(f.valid()); | |
139 | f.wait(); | |
140 | BOOST_TEST(f.valid()); | |
141 | Clock::time_point t0 = Clock::now(); | |
142 | f.wait(); | |
143 | Clock::time_point t1 = Clock::now(); | |
144 | BOOST_TEST(f.valid()); | |
145 | BOOST_TEST(t1 - t0 < ms(50)); | |
146 | } | |
147 | } | |
148 | BOOST_THREAD_LOG << BOOST_THREAD_END_LOG; | |
149 | ||
150 | return boost::report_errors(); | |
151 | } | |
152 | ||
153 | #else | |
154 | #error "Test not applicable: BOOST_THREAD_USES_CHRONO not defined for this platform as not supported" | |
155 | #endif |