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- // 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
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