// Copyright (C) 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_CONTINUATION \ && ! defined BOOST_NO_CXX11_LAMBDAS && ! (defined BOOST_MSVC && _MSC_VER < 1700) 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<int> f1 = boost::async(boost::launch::async, []() {return 123;}); int result = f1.get(); BOOST_THREAD_LOG << "f1 " << result << BOOST_THREAD_END_LOG; } { boost::future<int> f1 = boost::async(boost::launch::async, []() {return 123;}); boost::future<int> f2 = f1.then([](boost::future<int> f) {return 2*f.get(); }); int result = f2.get(); BOOST_THREAD_LOG << "f2 " << result << BOOST_THREAD_END_LOG; } #if ! defined BOOST_NO_CXX14_GENERIC_LAMBDAS { boost::future<int> f1 = boost::async(boost::launch::async, []() {return 123;}); boost::future<int> f2 = f1.then([](auto f) {return 2*f.get(); }); int result = f2.get(); BOOST_THREAD_LOG << "f2 " << result << BOOST_THREAD_END_LOG; } #endif } 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