thread/test/test_ml2.cpp
2013-04-14 12:40:44 +00:00

61 lines
1.1 KiB
C++

// Copyright (C) 2010 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
#include <cassert>
#include <vector>
#include <future>
#include <functional>
#include <boost/thread/future.hpp>
int TRUC = 42;
int main()
{
std::vector< std::function<void()> > work_queue;
auto do_some_work = [&]()-> boost::future<int*>
{
auto promise = std::make_shared<boost::promise<int*>>();
#if 0
work_queue.push_back( [=]
{
promise->set_value( &TRUC );
});
#else
auto inner = [=]()
{
promise->set_value( &TRUC );
};
work_queue.push_back(inner);
#endif
return promise->get_future();
};
auto ft_value = do_some_work();
while( !work_queue.empty() )
{
#if 0
auto work = work_queue.back();
#else
std::function<void()> work;
work = work_queue.back();
#endif
work_queue.pop_back();
work();
}
auto value = ft_value.get();
assert( value == &TRUC );
return 0;
}