| // 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 |
| |
| 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 |
| { |
| 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 |