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//===----------------------------------------------------------------------===//
//
// 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>
// void wait() const;
//#define BOOST_THREAD_VERSION 3
#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
#ifdef BOOST_MSVC
#pragma warning(disable: 4127) // conditional expression is constant
#endif
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;
}
}
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();
#else
func1(boost::move(p));
#endif
BOOST_TEST(f.valid());
f.wait();
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();
#else
func3(boost::move(p));
#endif
BOOST_TEST(f.valid());
f.wait();
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();
#else
func5(boost::move(p));
#endif
BOOST_TEST(f.valid());
f.wait();
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
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