| // (C) Copyright 2008-10 Anthony Williams |
| // (C) Copyright 2011-2015 Vicente J. Botet Escriba |
| // |
| // 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) |
| |
| #ifndef BOOST_THREAD_FUTURES_WAIT_FOR_ALL_HPP |
| #define BOOST_THREAD_FUTURES_WAIT_FOR_ALL_HPP |
| |
| #include <boost/thread/detail/config.hpp> |
| #include <boost/thread/futures/is_future_type.hpp> |
| |
| #include <boost/core/enable_if.hpp> |
| |
| namespace boost |
| { |
| template<typename Iterator> |
| typename boost::disable_if<is_future_type<Iterator>,void>::type wait_for_all(Iterator begin,Iterator end) |
| { |
| for(Iterator current=begin;current!=end;++current) |
| { |
| current->wait(); |
| } |
| } |
| |
| #ifdef BOOST_NO_CXX11_VARIADIC_TEMPLATES |
| template<typename F1,typename F2> |
| typename boost::enable_if<is_future_type<F1>,void>::type wait_for_all(F1& f1,F2& f2) |
| { |
| f1.wait(); |
| f2.wait(); |
| } |
| |
| template<typename F1,typename F2,typename F3> |
| void wait_for_all(F1& f1,F2& f2,F3& f3) |
| { |
| f1.wait(); |
| f2.wait(); |
| f3.wait(); |
| } |
| |
| template<typename F1,typename F2,typename F3,typename F4> |
| void wait_for_all(F1& f1,F2& f2,F3& f3,F4& f4) |
| { |
| f1.wait(); |
| f2.wait(); |
| f3.wait(); |
| f4.wait(); |
| } |
| |
| template<typename F1,typename F2,typename F3,typename F4,typename F5> |
| void wait_for_all(F1& f1,F2& f2,F3& f3,F4& f4,F5& f5) |
| { |
| f1.wait(); |
| f2.wait(); |
| f3.wait(); |
| f4.wait(); |
| f5.wait(); |
| } |
| #else |
| template<typename F1, typename... Fs> |
| void wait_for_all(F1& f1, Fs&... fs) |
| { |
| bool dummy[] = { (f1.wait(), true), (fs.wait(), true)... }; |
| |
| // prevent unused parameter warning |
| (void) dummy; |
| } |
| #endif // !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)} |
| |
| } |
| |
| #endif // header |