1 //---------------------------------------------------------------------------//
2 // Copyright (c) 2013-2014 Kyle Lutz <kyle.r.lutz@gmail.com>
3 //
4 // Distributed under the Boost Software License, Version 1.0
5 // See accompanying file LICENSE_1_0.txt or copy at
6 // http://www.boost.org/LICENSE_1_0.txt
7 //
8 // See http://boostorg.github.com/compute for more information.
9 //---------------------------------------------------------------------------//
10
11 #ifndef BOOST_COMPUTE_ASYNC_WAIT_HPP
12 #define BOOST_COMPUTE_ASYNC_WAIT_HPP
13
14 #include <boost/compute/config.hpp>
15 #include <boost/compute/utility/wait_list.hpp>
16
17 namespace boost {
18 namespace compute {
19 namespace detail {
20
21 #ifndef BOOST_COMPUTE_NO_VARIADIC_TEMPLATES
22 template<class Event>
insert_events_variadic(wait_list & l,Event && event)23 inline void insert_events_variadic(wait_list &l, Event&& event)
24 {
25 l.insert(std::forward<Event>(event));
26 }
27
28 template<class Event, class... Rest>
insert_events_variadic(wait_list & l,Event && event,Rest &&...rest)29 inline void insert_events_variadic(wait_list &l, Event&& event, Rest&&... rest)
30 {
31 l.insert(std::forward<Event>(event));
32
33 insert_events_variadic(l, std::forward<Rest>(rest)...);
34 }
35 #endif // BOOST_COMPUTE_NO_VARIADIC_TEMPLATES
36
37 } // end detail namespace
38
39 #ifndef BOOST_COMPUTE_NO_VARIADIC_TEMPLATES
40 /// Blocks until all events have completed. Events can either be \ref event
41 /// objects or \ref future "future<T>" objects.
42 ///
43 /// \see event, wait_list
44 template<class... Events>
wait_for_all(Events &&...events)45 inline void wait_for_all(Events&&... events)
46 {
47 wait_list l;
48 detail::insert_events_variadic(l, std::forward<Events>(events)...);
49 l.wait();
50 }
51 #endif // BOOST_COMPUTE_NO_VARIADIC_TEMPLATES
52
53 } // end compute namespace
54 } // end boost namespace
55
56 #endif // BOOST_COMPUTE_ASYNC_WAIT_HPP
57