93 lines
2.4 KiB
C++
93 lines
2.4 KiB
C++
// Copyright (C) 2012-2013 Vicente Botet
|
|
//
|
|
// 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)
|
|
|
|
#include <boost/config.hpp>
|
|
#if ! defined BOOST_NO_CXX11_DECLTYPE
|
|
#define BOOST_RESULT_OF_USE_DECLTYPE
|
|
#endif
|
|
|
|
#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/assert.hpp>
|
|
#include <string>
|
|
#include <iostream>
|
|
|
|
#if defined BOOST_THREAD_PROVIDES_FUTURE_UNWRAP
|
|
|
|
#ifdef BOOST_MSVC
|
|
#pragma warning(disable: 4127) // conditional expression is constant
|
|
#endif
|
|
|
|
int p1()
|
|
{
|
|
BOOST_THREAD_LOG << "P1" << BOOST_THREAD_END_LOG;
|
|
return 123;
|
|
}
|
|
|
|
boost::future<int> p2()
|
|
{
|
|
BOOST_THREAD_LOG << "<P2" << BOOST_THREAD_END_LOG;
|
|
boost::future<int> f1 = boost::async(boost::launch::async, &p1);
|
|
BOOST_THREAD_LOG << "P2>" << BOOST_THREAD_END_LOG;
|
|
return boost::move(f1);
|
|
}
|
|
|
|
int main()
|
|
{
|
|
const int number_of_tests = 100;
|
|
BOOST_THREAD_LOG << "<MAIN" << BOOST_THREAD_END_LOG;
|
|
for (int i=0; i< number_of_tests; i++)
|
|
try
|
|
{
|
|
|
|
#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
|
|
{
|
|
boost::future<int> inner_future = boost::async(boost::launch::async, &p2).unwrap();
|
|
inner_future.wait();
|
|
int ii = inner_future.get();
|
|
BOOST_THREAD_LOG << "ii= "<< ii << "" << BOOST_THREAD_END_LOG;
|
|
}
|
|
#endif
|
|
{
|
|
boost::future<boost::future<int> > outer_future = boost::async(boost::launch::async, &p2);
|
|
boost::future<int> inner_future = outer_future.unwrap();
|
|
inner_future.wait();
|
|
int ii = inner_future.get();
|
|
BOOST_THREAD_LOG << "ii= "<< ii << "" << BOOST_THREAD_END_LOG;
|
|
}
|
|
{
|
|
boost::future<boost::future<int> > outer_future = boost::async(boost::launch::async, &p2);
|
|
boost::future<int> inner_future = outer_future.unwrap();
|
|
int ii = inner_future.get();
|
|
BOOST_THREAD_LOG << "ii= "<< ii << "" << BOOST_THREAD_END_LOG;
|
|
}
|
|
}
|
|
catch (std::exception& ex)
|
|
{
|
|
std::cout << "ERRORRRRR "<<ex.what() << "" << std::endl;
|
|
BOOST_THREAD_LOG << "ERRORRRRR "<<ex.what() << "" << BOOST_THREAD_END_LOG;
|
|
return 1;
|
|
}
|
|
catch (...)
|
|
{
|
|
std::cout << " ERRORRRRR exception thrown" << std::endl;
|
|
BOOST_THREAD_LOG << " ERRORRRRR exception thrown" << BOOST_THREAD_END_LOG;
|
|
return 2;
|
|
}
|
|
BOOST_THREAD_LOG << "MAIN>" << BOOST_THREAD_END_LOG;
|
|
return 0;
|
|
}
|
|
#else
|
|
|
|
int main()
|
|
{
|
|
return 0;
|
|
}
|
|
#endif
|