boost/signals2/preprocessed_signal.hpp

0001 /*
0002   A thread-safe version of Boost.Signals.
0003
0004   Author: Frank Mori Hess <fmhess@users.sourceforge.net>
0005   Begin: 2007-01-23
0006 */
0007 // Copyright Frank Mori Hess 2007-2008
0008 // Use, modification and
0009 // distribution is subject to the Boost Software License, Version
0010 // 1.0. (See accompanying file LICENSE_1_0.txt or copy at
0011 // http://www.boost.org/LICENSE_1_0.txt)
0012
0013 // For more information, see http://www.boost.org
0014
0015 #ifndef BOOST_SIGNALS2_PREPROCESSED_SIGNAL_HPP
0016 #define BOOST_SIGNALS2_PREPROCESSED_SIGNAL_HPP
0017
0018 #include <boost/config.hpp>
0019 #include <boost/core/enable_if.hpp>
0020 #include <boost/preprocessor/arithmetic.hpp>
0021 #include <boost/preprocessor/cat.hpp>
0022 #include <boost/preprocessor/control/expr_if.hpp>
0023 #include <boost/preprocessor/iteration.hpp>
0024 #include <boost/preprocessor/repetition.hpp>
0025 #include <boost/signals2/detail/preprocessed_arg_type.hpp>
0026 #include <boost/smart_ptr/make_shared.hpp>
0027 #include <boost/type_traits/add_reference.hpp>
0028 #include <boost/type_traits/is_void.hpp>
0029
0030 #define BOOST_PP_ITERATION_LIMITS (0, BOOST_SIGNALS2_MAX_ARGS)
0031 #define BOOST_PP_FILENAME_1 <boost/signals2/detail/signal_template.hpp>
0032 #include BOOST_PP_ITERATE()
0033
0034 namespace boost
0035 {
0036   namespace signals2
0037   {
0038     template<typename Signature,
0039       typename Combiner = optional_last_value<typename boost::function_traits<Signature>::result_type>,
0040       typename Group = int,
0041       typename GroupCompare = std::less<Group>,
0042       typename SlotFunction = function<Signature>,
0043       typename ExtendedSlotFunction = typename detail::extended_signature<function_traits<Signature>::arity, Signature>::function_type,
0044       typename Mutex = mutex >
0045     class signal: public detail::signalN<function_traits<Signature>::arity,
0046       Signature, Combiner, Group, GroupCompare, SlotFunction, ExtendedSlotFunction, Mutex>::type
0047     {
0048     private:
0049       typedef typename detail::signalN<boost::function_traits<Signature>::arity,
0050         Signature, Combiner, Group, GroupCompare, SlotFunction, ExtendedSlotFunction, Mutex>::type base_type;
0051     public:
0052       signal(const Combiner &combiner_arg = Combiner(), const GroupCompare &group_compare = GroupCompare()):
0053         base_type(combiner_arg, group_compare)
0054       {}
0055 #if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && BOOST_WORKAROUND(BOOST_MSVC, < 1800)
0056       signal(signal && other) BOOST_NOEXCEPT: base_type(std::move(other)) {}
0057       signal & operator=(signal && other) BOOST_NOEXCEPT{ base_type::operator=(std::move(other)); return *this; }
0058 #endif
0059     };
0060   }
0061 }
0062
0063 #endif // BOOST_SIGNALS2_PREPROCESSED_SIGNAL_HPP