| //===----------------------------------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // Copyright (C) 2013 Vicente J. Botet Escriba |
| // |
| // Distributed under the Boost Software License, Version 1.0. (See accompanying |
| // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| |
| // <boost/thread/future.hpp> |
| |
| // class shared_future<R> |
| |
| // template <class Rep, class Period> |
| // future_status |
| // wait_for(const chrono::duration<Rep, Period>& rel_time) const; |
| |
| #define BOOST_THREAD_VERSION 4 |
| //#define BOOST_THREAD_USES_LOG |
| #define BOOST_THREAD_USES_LOG_THREAD_ID |
| #include <boost/thread/detail/log.hpp> |
| |
| #include <boost/thread/future.hpp> |
| #include <boost/thread/thread.hpp> |
| #include <boost/chrono/chrono_io.hpp> |
| #include <boost/detail/lightweight_test.hpp> |
| |
| #if defined BOOST_THREAD_USES_CHRONO |
| |
| typedef boost::chrono::milliseconds ms; |
| |
| namespace boost |
| { |
| template <typename OStream> |
| OStream& operator<<(OStream& os , boost::future_status st ) |
| { |
| os << underlying_cast<int>(st) << " "; |
| return os; |
| } |
| template <typename T> |
| struct wrap |
| { |
| wrap(T const& v) : |
| value(v) |
| { |
| } |
| T value; |
| |
| }; |
| |
| template <typename T> |
| exception_ptr make_exception_ptr(T v) |
| { |
| return copy_exception(wrap<T> (v)); |
| } |
| } |
| |
| void func1(boost::promise<int> p) |
| { |
| boost::this_thread::sleep_for(ms(500)); |
| p.set_value(3); |
| } |
| |
| int j = 0; |
| |
| void func3(boost::promise<int&> p) |
| { |
| boost::this_thread::sleep_for(ms(500)); |
| j = 5; |
| p.set_value(j); |
| } |
| |
| void func5(boost::promise<void> p) |
| { |
| boost::this_thread::sleep_for(ms(500)); |
| p.set_value(); |
| } |
| |
| int main() |
| { |
| BOOST_THREAD_LOG << BOOST_THREAD_END_LOG; |
| { |
| typedef boost::chrono::high_resolution_clock Clock; |
| { |
| typedef int T; |
| boost::promise<T> p; |
| boost::shared_future<T> f((p.get_future())); |
| #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD) |
| boost::thread(func1, boost::move(p)).detach(); |
| #endif |
| BOOST_TEST(f.valid()); |
| BOOST_TEST_EQ(f.wait_for(ms(300)) , boost::future_status::timeout); |
| #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD) |
| #else |
| func1(boost::move(p)); |
| #endif |
| BOOST_TEST(f.valid()); |
| BOOST_TEST_EQ(f.wait_for(ms(300)) , boost::future_status::ready); |
| BOOST_TEST(f.valid()); |
| Clock::time_point t0 = Clock::now(); |
| f.wait(); |
| Clock::time_point t1 = Clock::now(); |
| BOOST_TEST(f.valid()); |
| BOOST_TEST(t1 - t0 < ms(50)); |
| } |
| { |
| typedef int& T; |
| boost::promise<T> p; |
| boost::shared_future<T> f((p.get_future())); |
| #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD) |
| boost::thread(func3, boost::move(p)).detach(); |
| #endif |
| BOOST_TEST(f.valid()); |
| BOOST_TEST_EQ(f.wait_for(ms(300)) , boost::future_status::timeout); |
| BOOST_TEST(f.valid()); |
| #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD) |
| #else |
| func3(boost::move(p)); |
| #endif |
| BOOST_TEST_EQ(f.wait_for(ms(300)) , boost::future_status::ready); |
| BOOST_TEST(f.valid()); |
| Clock::time_point t0 = Clock::now(); |
| f.wait(); |
| Clock::time_point t1 = Clock::now(); |
| BOOST_TEST(f.valid()); |
| BOOST_TEST(t1 - t0 < ms(50)); |
| } |
| { |
| typedef void T; |
| boost::promise<T> p; |
| boost::shared_future<T> f((p.get_future())); |
| #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD) |
| boost::thread(func5, boost::move(p)).detach(); |
| #endif |
| BOOST_TEST(f.valid()); |
| BOOST_TEST_EQ(f.wait_for(ms(300)) , boost::future_status::timeout); |
| BOOST_TEST(f.valid()); |
| #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD) |
| #else |
| func5(boost::move(p)); |
| #endif |
| BOOST_TEST_EQ(f.wait_for(ms(300)) , boost::future_status::ready); |
| BOOST_TEST(f.valid()); |
| Clock::time_point t0 = Clock::now(); |
| f.wait(); |
| Clock::time_point t1 = Clock::now(); |
| BOOST_TEST(f.valid()); |
| BOOST_TEST(t1 - t0 < ms(50)); |
| } |
| } |
| BOOST_THREAD_LOG << BOOST_THREAD_END_LOG; |
| |
| return boost::report_errors(); |
| } |
| |
| #else |
| #error "Test not applicable: BOOST_THREAD_USES_CHRONO not defined for this platform as not supported" |
| #endif |