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 }
52
func1(boost::promise<int> p)53 void func1(boost::promise<int> p)
54 {
55 boost::this_thread::sleep_for(ms(500));
56 p.set_value(3);
57 }
58
59 int j = 0;
60
func3(boost::promise<int &> p)61 void func3(boost::promise<int&> p)
62 {
63 boost::this_thread::sleep_for(ms(500));
64 j = 5;
65 p.set_value(j);
66 }
67
func5(boost::promise<void> p)68 void func5(boost::promise<void> p)
69 {
70 boost::this_thread::sleep_for(ms(500));
71 p.set_value();
72 }
73
74 const ms max_diff(BOOST_THREAD_TEST_TIME_MS);
75
main()76 int main()
77 {
78 BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
79 {
80 typedef boost::chrono::high_resolution_clock Clock;
81 {
82 typedef int T;
83 boost::promise<T> p;
84 boost::shared_future<T> f((p.get_future()));
85 #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
86 boost::thread(func1, boost::move(p)).detach();
87 #endif
88 BOOST_TEST(f.valid());
89 BOOST_TEST_EQ(f.wait_for(ms(250)) , boost::future_status::timeout);
90 #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
91 #else
92 func1(boost::move(p));
93 #endif
94 BOOST_TEST(f.valid());
95 BOOST_TEST_EQ(f.wait_for(ms(750)) , boost::future_status::ready);
96 BOOST_TEST(f.valid());
97 Clock::time_point t0 = Clock::now();
98 f.wait();
99 Clock::time_point t1 = Clock::now();
100 BOOST_TEST(f.valid());
101 ns d = t1 - t0;
102 BOOST_THREAD_TEST_IT(d, ns(max_diff));
103 }
104 {
105 typedef int& T;
106 boost::promise<T> p;
107 boost::shared_future<T> f((p.get_future()));
108 #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
109 boost::thread(func3, boost::move(p)).detach();
110 #endif
111 BOOST_TEST(f.valid());
112 BOOST_TEST_EQ(f.wait_for(ms(250)) , boost::future_status::timeout);
113 BOOST_TEST(f.valid());
114 #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
115 #else
116 func3(boost::move(p));
117 #endif
118 BOOST_TEST_EQ(f.wait_for(ms(750)) , boost::future_status::ready);
119 BOOST_TEST(f.valid());
120 Clock::time_point t0 = Clock::now();
121 f.wait();
122 Clock::time_point t1 = Clock::now();
123 BOOST_TEST(f.valid());
124 ns d = t1 - t0;
125 BOOST_THREAD_TEST_IT(d, ns(max_diff));
126 }
127 {
128 typedef void T;
129 boost::promise<T> p;
130 boost::shared_future<T> f((p.get_future()));
131 #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
132 boost::thread(func5, boost::move(p)).detach();
133 #endif
134 BOOST_TEST(f.valid());
135 BOOST_TEST_EQ(f.wait_for(ms(250)) , boost::future_status::timeout);
136 BOOST_TEST(f.valid());
137 #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
138 #else
139 func5(boost::move(p));
140 #endif
141 BOOST_TEST_EQ(f.wait_for(ms(750)) , boost::future_status::ready);
142 BOOST_TEST(f.valid());
143 Clock::time_point t0 = Clock::now();
144 f.wait();
145 Clock::time_point t1 = Clock::now();
146 BOOST_TEST(f.valid());
147 ns d = t1 - t0;
148 BOOST_THREAD_TEST_IT(d, ns(max_diff));
149 }
150 }
151 BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
152
153 return boost::report_errors();
154 }
155
156 #else
157 #error "Test not applicable: BOOST_THREAD_USES_CHRONO not defined for this platform as not supported"
158 #endif
159