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 // future_status
21 // wait_for(const chrono::duration<Rep, Period>& rel_time) const;
22
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 #include "../../../timming.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 typedef boost::chrono::nanoseconds ns;
42
43 namespace boost
44 {
45 template <typename OStream>
operator <<(OStream & os,boost::future_status st)46 OStream& operator<<(OStream& os , boost::future_status st )
47 {
48 os << underlying_cast<int>(st) << " ";
49 return os;
50 }
51 template <typename T>
52 struct wrap
53 {
wrapboost::wrap54 wrap(T const& v) :
55 value(v)
56 {
57 }
58 T value;
59
60 };
61
62 template <typename T>
make_exception_ptr(T v)63 exception_ptr make_exception_ptr(T v)
64 {
65 return copy_exception(wrap<T> (v));
66 }
67 }
68
func1(boost::promise<int> p)69 void func1(boost::promise<int> p)
70 {
71 boost::this_thread::sleep_for(ms(500));
72 p.set_value(3);
73 }
74
75 int j = 0;
76
func3(boost::promise<int &> p)77 void func3(boost::promise<int&> p)
78 {
79 boost::this_thread::sleep_for(ms(500));
80 j = 5;
81 p.set_value(j);
82 }
83
func5(boost::promise<void> p)84 void func5(boost::promise<void> p)
85 {
86 boost::this_thread::sleep_for(ms(500));
87 p.set_value();
88 }
89
90 const ms max_diff(BOOST_THREAD_TEST_TIME_MS);
91
main()92 int main()
93 {
94 BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
95 {
96 typedef boost::chrono::high_resolution_clock Clock;
97 {
98 typedef int T;
99 boost::promise<T> p;
100 boost::shared_future<T> f((p.get_future()));
101 #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
102 boost::thread(func1, boost::move(p)).detach();
103 #endif
104 BOOST_TEST(f.valid());
105 BOOST_TEST_EQ(f.wait_for(ms(250)) , boost::future_status::timeout);
106 #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
107 #else
108 func1(boost::move(p));
109 #endif
110 BOOST_TEST(f.valid());
111 BOOST_TEST_EQ(f.wait_for(ms(750)) , boost::future_status::ready);
112 BOOST_TEST(f.valid());
113 Clock::time_point t0 = Clock::now();
114 f.wait();
115 Clock::time_point t1 = Clock::now();
116 BOOST_TEST(f.valid());
117 ns d = t1 - t0;
118 BOOST_THREAD_TEST_IT(d, ns(max_diff));
119 }
120 {
121 typedef int& T;
122 boost::promise<T> p;
123 boost::shared_future<T> f((p.get_future()));
124 #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
125 boost::thread(func3, boost::move(p)).detach();
126 #endif
127 BOOST_TEST(f.valid());
128 BOOST_TEST_EQ(f.wait_for(ms(250)) , boost::future_status::timeout);
129 BOOST_TEST(f.valid());
130 #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
131 #else
132 func3(boost::move(p));
133 #endif
134 BOOST_TEST_EQ(f.wait_for(ms(750)) , boost::future_status::ready);
135 BOOST_TEST(f.valid());
136 Clock::time_point t0 = Clock::now();
137 f.wait();
138 Clock::time_point t1 = Clock::now();
139 BOOST_TEST(f.valid());
140 ns d = t1 - t0;
141 BOOST_THREAD_TEST_IT(d, ns(max_diff));
142 }
143 {
144 typedef void T;
145 boost::promise<T> p;
146 boost::shared_future<T> f((p.get_future()));
147 #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
148 boost::thread(func5, boost::move(p)).detach();
149 #endif
150 BOOST_TEST(f.valid());
151 BOOST_TEST_EQ(f.wait_for(ms(250)) , boost::future_status::timeout);
152 BOOST_TEST(f.valid());
153 #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
154 #else
155 func5(boost::move(p));
156 #endif
157 BOOST_TEST_EQ(f.wait_for(ms(750)) , boost::future_status::ready);
158 BOOST_TEST(f.valid());
159 Clock::time_point t0 = Clock::now();
160 f.wait();
161 Clock::time_point t1 = Clock::now();
162 BOOST_TEST(f.valid());
163 ns d = t1 - t0;
164 BOOST_THREAD_TEST_IT(d, ns(max_diff));
165 }
166 }
167 BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
168
169 return boost::report_errors();
170 }
171
172 #else
173 #error "Test not applicable: BOOST_THREAD_USES_CHRONO not defined for this platform as not supported"
174 #endif
175