//---------------------------------------------------------------------------//
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// Copyright (c) 2013-2014 Kyle Lutz <kyle.r.lutz@gmail.com>
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//
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// Distributed under the Boost Software License, Version 1.0
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// See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt
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//
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// See http://boostorg.github.com/compute for more information.
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//---------------------------------------------------------------------------//
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#ifndef BOOST_COMPUTE_ASYNC_WAIT_HPP
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#define BOOST_COMPUTE_ASYNC_WAIT_HPP
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#include <boost/compute/config.hpp>
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#include <boost/compute/utility/wait_list.hpp>
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namespace boost {
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namespace compute {
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namespace detail {
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#ifndef BOOST_COMPUTE_NO_VARIADIC_TEMPLATES
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template<class Event>
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inline void insert_events_variadic(wait_list &l, Event&& event)
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{
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l.insert(std::forward<Event>(event));
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}
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template<class Event, class... Rest>
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inline void insert_events_variadic(wait_list &l, Event&& event, Rest&&... rest)
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{
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l.insert(std::forward<Event>(event));
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insert_events_variadic(l, std::forward<Rest>(rest)...);
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}
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#endif // BOOST_COMPUTE_NO_VARIADIC_TEMPLATES
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} // end detail namespace
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#ifndef BOOST_COMPUTE_NO_VARIADIC_TEMPLATES
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/// Blocks until all events have completed. Events can either be \ref event
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/// objects or \ref future "future<T>" objects.
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///
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/// \see event, wait_list
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template<class... Events>
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inline void wait_for_all(Events&&... events)
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{
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wait_list l;
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detail::insert_events_variadic(l, std::forward<Events>(events)...);
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l.wait();
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}
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#endif // BOOST_COMPUTE_NO_VARIADIC_TEMPLATES
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} // end compute namespace
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} // end boost namespace
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#endif // BOOST_COMPUTE_ASYNC_WAIT_HPP
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