Chris@102: //  (C) Copyright 2008-10 Anthony Williams
Chris@102: //  (C) Copyright 2011-2015 Vicente J. Botet Escriba
Chris@102: //
Chris@102: //  Distributed under the Boost Software License, Version 1.0. (See
Chris@102: //  accompanying file LICENSE_1_0.txt or copy at
Chris@102: //  http://www.boost.org/LICENSE_1_0.txt)
Chris@102: 
Chris@102: #ifndef BOOST_THREAD_FUTURES_WAIT_FOR_ALL_HPP
Chris@102: #define BOOST_THREAD_FUTURES_WAIT_FOR_ALL_HPP
Chris@102: 
Chris@102: #include <boost/thread/detail/config.hpp>
Chris@102: #include <boost/thread/futures/is_future_type.hpp>
Chris@102: 
Chris@102: #include <boost/core/enable_if.hpp>
Chris@102: 
Chris@102: namespace boost
Chris@102: {
Chris@102:   template<typename Iterator>
Chris@102:   typename boost::disable_if<is_future_type<Iterator>,void>::type wait_for_all(Iterator begin,Iterator end)
Chris@102:   {
Chris@102:       for(Iterator current=begin;current!=end;++current)
Chris@102:       {
Chris@102:           current->wait();
Chris@102:       }
Chris@102:   }
Chris@102: 
Chris@102: #ifdef BOOST_NO_CXX11_VARIADIC_TEMPLATES
Chris@102:     template<typename F1,typename F2>
Chris@102:     typename boost::enable_if<is_future_type<F1>,void>::type wait_for_all(F1& f1,F2& f2)
Chris@102:     {
Chris@102:         f1.wait();
Chris@102:         f2.wait();
Chris@102:     }
Chris@102: 
Chris@102:     template<typename F1,typename F2,typename F3>
Chris@102:     void wait_for_all(F1& f1,F2& f2,F3& f3)
Chris@102:     {
Chris@102:         f1.wait();
Chris@102:         f2.wait();
Chris@102:         f3.wait();
Chris@102:     }
Chris@102: 
Chris@102:     template<typename F1,typename F2,typename F3,typename F4>
Chris@102:     void wait_for_all(F1& f1,F2& f2,F3& f3,F4& f4)
Chris@102:     {
Chris@102:         f1.wait();
Chris@102:         f2.wait();
Chris@102:         f3.wait();
Chris@102:         f4.wait();
Chris@102:     }
Chris@102: 
Chris@102:     template<typename F1,typename F2,typename F3,typename F4,typename F5>
Chris@102:     void wait_for_all(F1& f1,F2& f2,F3& f3,F4& f4,F5& f5)
Chris@102:     {
Chris@102:         f1.wait();
Chris@102:         f2.wait();
Chris@102:         f3.wait();
Chris@102:         f4.wait();
Chris@102:         f5.wait();
Chris@102:     }
Chris@102: #else
Chris@102:     template<typename F1, typename... Fs>
Chris@102:     void wait_for_all(F1& f1, Fs&... fs)
Chris@102:     {
Chris@102:         bool dummy[] = { (f1.wait(), true), (fs.wait(), true)... };
Chris@102: 
Chris@102:         // prevent unused parameter warning
Chris@102:         (void) dummy;
Chris@102:     }
Chris@102: #endif // !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)}
Chris@102: 
Chris@102: }
Chris@102: 
Chris@102: #endif // header