// 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) #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> #if defined BOOST_THREAD_PROVIDES_FUTURE_CONTINUATION int p1() { BOOST_THREAD_LOG << "P1" << BOOST_THREAD_END_LOG; return 123; } int p2(boost::future<int> f) { BOOST_THREAD_LOG << "<P2" << BOOST_THREAD_END_LOG; try { return 2 * f.get(); } catch (std::exception& ex) { BOOST_THREAD_LOG << "ERRORRRRR "<<ex.what() << "" << BOOST_THREAD_END_LOG; BOOST_ASSERT(false); } catch (...) { BOOST_THREAD_LOG << " ERRORRRRR exception thrown" << BOOST_THREAD_END_LOG; BOOST_ASSERT(false); } BOOST_THREAD_LOG << "P2>" << BOOST_THREAD_END_LOG; } int p2s(boost::shared_future<int> f) { BOOST_THREAD_LOG << "<P2" << BOOST_THREAD_END_LOG; try { return 2 * f.get(); } catch (std::exception& ex) { BOOST_THREAD_LOG << "ERRORRRRR "<<ex.what() << "" << BOOST_THREAD_END_LOG; BOOST_ASSERT(false); } catch (...) { BOOST_THREAD_LOG << " ERRORRRRR exception thrown" << BOOST_THREAD_END_LOG; BOOST_ASSERT(false); } BOOST_THREAD_LOG << "P2>" << BOOST_THREAD_END_LOG; } int main() { BOOST_THREAD_LOG << "<MAIN" << BOOST_THREAD_END_LOG; { try { boost::future<int> f1 = boost::async(boost::launch::async, &p1); boost::future<int> f2 = f1.then(&p2); (void)f2.get(); } catch (std::exception& ex) { BOOST_THREAD_LOG << "ERRORRRRR "<<ex.what() << "" << BOOST_THREAD_END_LOG; return 1; } catch (...) { BOOST_THREAD_LOG << " ERRORRRRR exception thrown" << BOOST_THREAD_END_LOG; return 2; } } { try { boost::shared_future<int> f1 = boost::async(boost::launch::async, &p1).share(); boost::future<int> f2 = f1.then(&p2s); (void)f2.get(); } catch (std::exception& ex) { BOOST_THREAD_LOG << "ERRORRRRR "<<ex.what() << "" << BOOST_THREAD_END_LOG; return 1; } catch (...) { 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