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Diffstat (limited to 'boost/thread/futures/wait_for_all.hpp')
-rw-r--r-- | boost/thread/futures/wait_for_all.hpp | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/boost/thread/futures/wait_for_all.hpp b/boost/thread/futures/wait_for_all.hpp new file mode 100644 index 0000000000..90cc2b77cb --- /dev/null +++ b/boost/thread/futures/wait_for_all.hpp @@ -0,0 +1,74 @@ +// (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 |