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future_when_all.cpp
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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/future.hpp>
#include <boost/thread/csbl/vector.hpp>
#include <boost/assert.hpp>
#include <boost/thread/detail/log.hpp>
#include <string>
#if defined BOOST_THREAD_PROVIDES_FUTURE_WHEN_ALL_WHEN_ANY
int p1()
{
BOOST_THREAD_LOG
<< "P1" << BOOST_THREAD_END_LOG;
boost::this_thread::sleep_for(boost::chrono::seconds(1));
return 123;
}
int p1b()
{
BOOST_THREAD_LOG
<< "P1b" << BOOST_THREAD_END_LOG;
boost::this_thread::sleep_for(boost::chrono::seconds(1));
return 321;
}
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_THREAD_LOG << BOOST_THREAD_END_LOG;
boost::future<boost::csbl::tuple<> > all0 = boost::when_all();
BOOST_THREAD_LOG
<< BOOST_THREAD_END_LOG;
}
{
BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
boost::future<int> f1 = boost::async(boost::launch::async, &p1);
boost::future<boost::csbl::tuple<boost::future<int> > > all = boost::when_all(boost::move(f1));
boost::csbl::tuple<boost::future<int> > res = all.get();
BOOST_THREAD_LOG
<< boost::csbl::get<0>(res).get() <<" " << BOOST_THREAD_END_LOG;
}
#if defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
{
BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
boost::future<int> f1 = boost::async(boost::launch::deferred, &p1);
BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
boost::future<boost::csbl::tuple<boost::future<int> > > all = boost::when_all(boost::move(f1));
BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
boost::csbl::tuple<boost::future<int> > res = all.get();
BOOST_THREAD_LOG
<< boost::csbl::get<0>(res).get() <<" " << BOOST_THREAD_END_LOG;
}
#endif
{
BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
boost::future<int> f1 = boost::make_ready_future(1);
boost::future<boost::csbl::tuple<boost::future<int> > > all = boost::when_all(boost::move(f1));
boost::csbl::tuple<boost::future<int> > res = all.get();
BOOST_THREAD_LOG
<< boost::csbl::get<0>(res).get() <<" " << BOOST_THREAD_END_LOG;
}
{
BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
boost::future<int> f1 = boost::async(boost::launch::async, &p1);
boost::future<int> f2 = boost::async(boost::launch::async, &p1b);
boost::future<boost::csbl::tuple<boost::future<int>,boost::future<int> > > all = boost::when_all(boost::move(f1), boost::move(f2));
//(void) all.wait();
boost::csbl::tuple<boost::future<int>,boost::future<int> > res = all.get();
BOOST_THREAD_LOG
<< boost::csbl::get<0>(res).get() <<" " << BOOST_THREAD_END_LOG;
BOOST_THREAD_LOG
<< boost::csbl::get<1>(res).get() <<" " << BOOST_THREAD_END_LOG;
}
{
BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
boost::future<int> f1 = boost::async(boost::launch::async, &p1);
boost::future<std::string> f2 = boost::make_ready_future(std::string("nnnnnnn"));;
boost::future<boost::csbl::tuple<boost::future<int>, boost::future<std::string> > > all = boost::when_all(boost::move(f1), boost::move(f2));
//(void) all.wait();
boost::csbl::tuple<boost::future<int>, boost::future<std::string> > res = all.get();
BOOST_THREAD_LOG
<< boost::csbl::get<0>(res).get() <<" " << BOOST_THREAD_END_LOG;
BOOST_THREAD_LOG
<< boost::csbl::get<1>(res).get() <<" " << BOOST_THREAD_END_LOG;
}
{
BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
boost::csbl::vector<boost::future<int> > v;
BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
v.push_back(boost::async(boost::launch::async, &p1));
BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
v.push_back(boost::async(boost::launch::async, &p1b));
BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
boost::future<boost::csbl::vector<boost::future<int> > > all = boost::when_all(v.begin(), v.end());
BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
boost::csbl::vector<boost::future<int> > res = all.get();
BOOST_THREAD_LOG
<< res[0].get() <<" " << BOOST_THREAD_END_LOG;
BOOST_THREAD_LOG
<< res[1].get() <<" " << BOOST_THREAD_END_LOG;
}
}
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_THREAD_LOG << BOOST_THREAD_END_LOG;
boost::future<boost::csbl::tuple<> > all0 = boost::when_any();
BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
}
{
BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
boost::future<int> f1 = boost::async(boost::launch::async, &p1);
boost::future<boost::csbl::tuple<boost::future<int> > > all = boost::when_any(boost::move(f1));
boost::csbl::tuple<boost::future<int> > res = all.get();
BOOST_THREAD_LOG
<< boost::csbl::get<0>(res).get() <<" " << BOOST_THREAD_END_LOG;
}
#if defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
{
BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
boost::future<int> f1 = boost::async(boost::launch::deferred, &p1);
boost::future<boost::csbl::tuple<boost::future<int> > > all = boost::when_any(boost::move(f1));
boost::csbl::tuple<boost::future<int> > res = all.get();
BOOST_THREAD_LOG
<< boost::csbl::get<0>(res).get() <<" " << BOOST_THREAD_END_LOG;
}
#endif
{
BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
boost::future<int> f1 = boost::async(boost::launch::async, &p1);
boost::future<int> f2 = boost::async(boost::launch::async, &p1b);
boost::future<boost::csbl::tuple<boost::future<int>,boost::future<int> > > all = boost::when_any(boost::move(f1), boost::move(f2));
boost::csbl::tuple<boost::future<int>,boost::future<int> > res = all.get();
BOOST_THREAD_LOG
<< boost::csbl::get<0>(res).get() <<" " << BOOST_THREAD_END_LOG;
BOOST_THREAD_LOG
<< boost::csbl::get<1>(res).get() <<" " << BOOST_THREAD_END_LOG;
}
{
BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
boost::future<int> f1 = boost::make_ready_future(1);
boost::future<int> f2 = boost::async(boost::launch::async, &p1b);
boost::future<boost::csbl::tuple<boost::future<int>,boost::future<int> > > all = boost::when_any(boost::move(f1), boost::move(f2));
boost::csbl::tuple<boost::future<int>,boost::future<int> > res = all.get();
BOOST_THREAD_LOG
<< boost::csbl::get<0>(res).get() <<" " << BOOST_THREAD_END_LOG;
BOOST_THREAD_LOG
<< boost::csbl::get<1>(res).get() <<" " << BOOST_THREAD_END_LOG;
}
{
BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
boost::future<std::string> f1 = boost::make_ready_future(std::string("aaaa"));
boost::future<int> f2 = boost::async(boost::launch::async, &p1b);
boost::future<boost::csbl::tuple<boost::future<std::string>,boost::future<int> > > all = boost::when_any(boost::move(f1), boost::move(f2));
boost::csbl::tuple<boost::future<std::string>,boost::future<int> > res = all.get();
BOOST_THREAD_LOG
<< boost::csbl::get<0>(res).get() <<" " << BOOST_THREAD_END_LOG;
BOOST_THREAD_LOG
<< boost::csbl::get<1>(res).get() <<" " << BOOST_THREAD_END_LOG;
}
{
BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
boost::future<int> f2 = boost::make_ready_future(1);
boost::future<int> f1 = boost::async(boost::launch::async, &p1b);
boost::future<boost::csbl::tuple<boost::future<int>,boost::future<int> > > all = boost::when_any(boost::move(f1), boost::move(f2));
boost::csbl::tuple<boost::future<int>,boost::future<int> > res = all.get();
BOOST_THREAD_LOG
<< boost::csbl::get<0>(res).get() <<" " << BOOST_THREAD_END_LOG;
BOOST_THREAD_LOG
<< boost::csbl::get<1>(res).get() <<" " << BOOST_THREAD_END_LOG;
}
#if defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
{
BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
boost::future<int> f1 = boost::async(boost::launch::deferred, &p1);
boost::future<int> f2 = boost::async(boost::launch::async, &p1b);
boost::future<boost::csbl::tuple<boost::future<int>,boost::future<int> > > all = boost::when_any(boost::move(f1), boost::move(f2));
boost::csbl::tuple<boost::future<int>,boost::future<int> > res = all.get();
BOOST_THREAD_LOG
<< boost::csbl::get<0>(res).get() <<" " << BOOST_THREAD_END_LOG;
BOOST_THREAD_LOG
<< boost::csbl::get<1>(res).get() <<" " << BOOST_THREAD_END_LOG;
}
{
BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
boost::future<int> f1 = boost::async(boost::launch::async, &p1);
boost::future<int> f2 = boost::async(boost::launch::deferred, &p1b);
boost::future<boost::csbl::tuple<boost::future<int>,boost::future<int> > > all = boost::when_any(boost::move(f1), boost::move(f2));
boost::csbl::tuple<boost::future<int>,boost::future<int> > res = all.get();
BOOST_THREAD_LOG
<< boost::csbl::get<0>(res).get() <<" " << BOOST_THREAD_END_LOG;
BOOST_THREAD_LOG
<< boost::csbl::get<1>(res).get() <<" " << BOOST_THREAD_END_LOG;
}
#endif
{
BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
boost::csbl::vector<boost::future<int> > v;
BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
v.push_back(boost::async(boost::launch::async, &p1));
BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
v.push_back(boost::async(boost::launch::async, &p1b));
BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
boost::future<boost::csbl::vector<boost::future<int> > > all = boost::when_any(v.begin(), v.end());
BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
boost::csbl::vector<boost::future<int> > res = all.get();
BOOST_THREAD_LOG
<< res[0].get() <<" " << BOOST_THREAD_END_LOG;
BOOST_THREAD_LOG
<< res[1].get() <<" " << BOOST_THREAD_END_LOG;
}
}
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
#include <boost/thread/csbl/vector.hpp>
using namespace boost;
void f( boost::csbl::vector<future<int> > &//vec
, BOOST_THREAD_RV_REF(future<int>) //f
) {
}
int main()
{
boost::csbl::vector<future<int> > vec;
f(vec, make_ready_future(0));
return 0;
}
#endif