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74 lines
1.7 KiB
C++
74 lines
1.7 KiB
C++
// Copyright (C) 2012 Vicente Botet
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//#define BOOST_THREAD_VERSION 4
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//#define BOOST_THREAD_USES_LOG
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#define BOOST_THREAD_USES_LOG_THREAD_ID
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//#define BOOST_THREAD_DONT_PROVIDE_FUTURE_INVALID_AFTER_GET
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#include <boost/thread/detail/log.hpp>
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#include <boost/thread/future.hpp>
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#include <boost/assert.hpp>
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#include <string>
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#if defined BOOST_THREAD_PROVIDES_FUTURE_CONTINUATION
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int p1()
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{
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BOOST_THREAD_LOG << "P1" << BOOST_THREAD_END_LOG;
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return 123;
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}
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int p2(boost::future<int>& f)
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{
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BOOST_THREAD_LOG << "<P2" << BOOST_THREAD_END_LOG;
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try
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{
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return 2 * f.get();
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}
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catch (std::exception& ex)
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{
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BOOST_THREAD_LOG << "ERRORRRRR "<<ex.what() << "" << BOOST_THREAD_END_LOG;
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BOOST_ASSERT(false);
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}
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catch (...)
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{
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BOOST_THREAD_LOG << " ERRORRRRR exception thrown" << BOOST_THREAD_END_LOG;
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BOOST_ASSERT(false);
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}
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BOOST_THREAD_LOG << "P2>" << BOOST_THREAD_END_LOG;
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}
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int main()
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{
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BOOST_THREAD_LOG << "<MAIN" << BOOST_THREAD_END_LOG;
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try
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{
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boost::future<int> f1 = boost::async(&p1);
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BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
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boost::future<int> f2 = f1.then(&p2);
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BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
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BOOST_THREAD_LOG << f2.get() << BOOST_THREAD_END_LOG;
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}
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catch (std::exception& ex)
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{
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BOOST_THREAD_LOG << "ERRORRRRR "<<ex.what() << "" << BOOST_THREAD_END_LOG;
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return 1;
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}
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catch (...)
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{
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BOOST_THREAD_LOG << " ERRORRRRR exception thrown" << BOOST_THREAD_END_LOG;
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return 2;
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}
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BOOST_THREAD_LOG << "MAIN>" << BOOST_THREAD_END_LOG;
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return 0;
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}
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#else
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int main()
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{
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return 0;
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}
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#endif
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