156 lines
3.8 KiB
C++
156 lines
3.8 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// Copyright (C) 2013 Vicente J. Botet Escriba
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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// <boost/thread/future.hpp>
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// class future<R>
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// template <class Rep, class Period>
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// void wait() const;
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//#define BOOST_THREAD_VERSION 3
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#define BOOST_THREAD_VERSION 4
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//#define BOOST_THREAD_USES_LOG
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#define BOOST_THREAD_USES_LOG_THREAD_ID
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#include <boost/thread/detail/log.hpp>
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#include <boost/thread/future.hpp>
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#include <boost/thread/thread.hpp>
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#include <boost/chrono/chrono_io.hpp>
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#include <boost/detail/lightweight_test.hpp>
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#if defined BOOST_THREAD_USES_CHRONO
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#ifdef BOOST_MSVC
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#pragma warning(disable: 4127) // conditional expression is constant
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#endif
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typedef boost::chrono::milliseconds ms;
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namespace boost
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{
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template <typename OStream>
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OStream& operator<<(OStream& os , boost::future_status st )
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{
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os << underlying_cast<int>(st) << " ";
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return os;
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}
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template <typename T>
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struct wrap
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{
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wrap(T const& v) :
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value(v)
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{
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}
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T value;
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};
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template <typename T>
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exception_ptr make_exception_ptr(T v)
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{
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return copy_exception(wrap<T> (v));
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}
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}
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void func1(boost::promise<int> p)
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{
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boost::this_thread::sleep_for(ms(500));
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p.set_value(3);
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}
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int j = 0;
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void func3(boost::promise<int&> p)
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{
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boost::this_thread::sleep_for(ms(500));
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j = 5;
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p.set_value(j);
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}
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void func5(boost::promise<void> p)
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{
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boost::this_thread::sleep_for(ms(500));
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p.set_value();
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}
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int main()
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{
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BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
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{
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typedef boost::chrono::high_resolution_clock Clock;
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{
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typedef int T;
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boost::promise<T> p;
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boost::future<T> f = p.get_future();
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#if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
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boost::thread(func1, boost::move(p)).detach();
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#else
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func1(boost::move(p));
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#endif
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BOOST_TEST(f.valid());
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f.wait();
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BOOST_TEST(f.valid());
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Clock::time_point t0 = Clock::now();
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f.wait();
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Clock::time_point t1 = Clock::now();
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BOOST_TEST(f.valid());
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BOOST_TEST(t1 - t0 < ms(50));
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}
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{
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typedef int& T;
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boost::promise<T> p;
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boost::future<T> f = p.get_future();
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#if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
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boost::thread(func3, boost::move(p)).detach();
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#else
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func3(boost::move(p));
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#endif
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BOOST_TEST(f.valid());
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f.wait();
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BOOST_TEST(f.valid());
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Clock::time_point t0 = Clock::now();
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f.wait();
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Clock::time_point t1 = Clock::now();
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BOOST_TEST(f.valid());
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BOOST_TEST(t1 - t0 < ms(50));
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}
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{
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typedef void T;
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boost::promise<T> p;
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boost::future<T> f = p.get_future();
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#if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
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boost::thread(func5, boost::move(p)).detach();
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#else
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func5(boost::move(p));
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#endif
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BOOST_TEST(f.valid());
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f.wait();
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BOOST_TEST(f.valid());
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Clock::time_point t0 = Clock::now();
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f.wait();
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Clock::time_point t1 = Clock::now();
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BOOST_TEST(f.valid());
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BOOST_TEST(t1 - t0 < ms(50));
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}
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}
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BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
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return boost::report_errors();
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}
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#else
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#error "Test not applicable: BOOST_THREAD_USES_CHRONO not defined for this platform as not supported"
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#endif
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