| // |
| // detail/handler_type_requirements.hpp |
| // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| // |
| // Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com) |
| // |
| // 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 ASIO_DETAIL_HANDLER_TYPE_REQUIREMENTS_HPP |
| #define ASIO_DETAIL_HANDLER_TYPE_REQUIREMENTS_HPP |
| |
| #if defined(_MSC_VER) && (_MSC_VER >= 1200) |
| # pragma once |
| #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) |
| |
| #include "asio/detail/config.hpp" |
| |
| // Older versions of gcc have difficulty compiling the sizeof expressions where |
| // we test the handler type requirements. We'll disable checking of handler type |
| // requirements for those compilers, but otherwise enable it by default. |
| #if !defined(ASIO_DISABLE_HANDLER_TYPE_REQUIREMENTS) |
| # if !defined(__GNUC__) || (__GNUC__ >= 4) |
| # define ASIO_ENABLE_HANDLER_TYPE_REQUIREMENTS 1 |
| # endif // !defined(__GNUC__) || (__GNUC__ >= 4) |
| #endif // !defined(ASIO_DISABLE_HANDLER_TYPE_REQUIREMENTS) |
| |
| // With C++0x we can use a combination of enhanced SFINAE and static_assert to |
| // generate better template error messages. As this technique is not yet widely |
| // portable, we'll only enable it for tested compilers. |
| #if !defined(ASIO_DISABLE_HANDLER_TYPE_REQUIREMENTS_ASSERT) |
| # if defined(__GNUC__) |
| # if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 5)) || (__GNUC__ > 4) |
| # if defined(__GXX_EXPERIMENTAL_CXX0X__) |
| # define ASIO_ENABLE_HANDLER_TYPE_REQUIREMENTS_ASSERT 1 |
| # endif // defined(__GXX_EXPERIMENTAL_CXX0X__) |
| # endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 5)) || (__GNUC__ > 4) |
| # endif // defined(__GNUC__) |
| # if defined(ASIO_MSVC) |
| # if (_MSC_VER >= 1600) |
| # define ASIO_ENABLE_HANDLER_TYPE_REQUIREMENTS_ASSERT 1 |
| # endif // (_MSC_VER >= 1600) |
| # endif // defined(ASIO_MSVC) |
| # if defined(__clang__) |
| # if __has_feature(__cxx_static_assert__) |
| # define ASIO_ENABLE_HANDLER_TYPE_REQUIREMENTS_ASSERT 1 |
| # endif // __has_feature(cxx_static_assert) |
| # endif // defined(__clang__) |
| #endif // !defined(ASIO_DISABLE_HANDLER_TYPE_REQUIREMENTS) |
| |
| #if defined(ASIO_ENABLE_HANDLER_TYPE_REQUIREMENTS) |
| # include "asio/async_result.hpp" |
| #endif // defined(ASIO_ENABLE_HANDLER_TYPE_REQUIREMENTS) |
| |
| // Newer gcc, clang need special treatment to suppress unused typedef warnings. |
| #if defined(__clang__) && (__clang_major__ >= 7) |
| # define ASIO_UNUSED_TYPEDEF __attribute__((__unused__)) |
| #elif defined(__GNUC__) |
| # if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 8)) || (__GNUC__ > 4) |
| # define ASIO_UNUSED_TYPEDEF __attribute__((__unused__)) |
| # endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 8)) || (__GNUC__ > 4) |
| #endif // defined(__GNUC__) |
| #if !defined(ASIO_UNUSED_TYPEDEF) |
| # define ASIO_UNUSED_TYPEDEF |
| #endif // !defined(ASIO_UNUSED_TYPEDEF) |
| |
| namespace asio { |
| namespace detail { |
| |
| #if defined(ASIO_ENABLE_HANDLER_TYPE_REQUIREMENTS) |
| |
| # if defined(ASIO_ENABLE_HANDLER_TYPE_REQUIREMENTS_ASSERT) |
| |
| template <typename Handler> |
| auto zero_arg_copyable_handler_test(Handler h, void*) |
| -> decltype( |
| sizeof(Handler(static_cast<const Handler&>(h))), |
| ((h)()), |
| char(0)); |
| |
| template <typename Handler> |
| char (&zero_arg_copyable_handler_test(Handler, ...))[2]; |
| |
| template <typename Handler, typename Arg1> |
| auto one_arg_handler_test(Handler h, Arg1* a1) |
| -> decltype( |
| sizeof(Handler(ASIO_MOVE_CAST(Handler)(h))), |
| ((h)(*a1)), |
| char(0)); |
| |
| template <typename Handler> |
| char (&one_arg_handler_test(Handler h, ...))[2]; |
| |
| template <typename Handler, typename Arg1, typename Arg2> |
| auto two_arg_handler_test(Handler h, Arg1* a1, Arg2* a2) |
| -> decltype( |
| sizeof(Handler(ASIO_MOVE_CAST(Handler)(h))), |
| ((h)(*a1, *a2)), |
| char(0)); |
| |
| template <typename Handler> |
| char (&two_arg_handler_test(Handler, ...))[2]; |
| |
| template <typename Handler, typename Arg1, typename Arg2> |
| auto two_arg_move_handler_test(Handler h, Arg1* a1, Arg2* a2) |
| -> decltype( |
| sizeof(Handler(ASIO_MOVE_CAST(Handler)(h))), |
| ((h)(*a1, ASIO_MOVE_CAST(Arg2)(*a2))), |
| char(0)); |
| |
| template <typename Handler> |
| char (&two_arg_move_handler_test(Handler, ...))[2]; |
| |
| # define ASIO_HANDLER_TYPE_REQUIREMENTS_ASSERT(expr, msg) \ |
| static_assert(expr, msg); |
| |
| # else // defined(ASIO_ENABLE_HANDLER_TYPE_REQUIREMENTS_ASSERT) |
| |
| # define ASIO_HANDLER_TYPE_REQUIREMENTS_ASSERT(expr, msg) |
| |
| # endif // defined(ASIO_ENABLE_HANDLER_TYPE_REQUIREMENTS_ASSERT) |
| |
| template <typename T> T& lvref(); |
| template <typename T> T& lvref(T); |
| template <typename T> const T& clvref(); |
| template <typename T> const T& clvref(T); |
| #if defined(ASIO_HAS_MOVE) |
| template <typename T> T rvref(); |
| template <typename T> T rvref(T); |
| #else // defined(ASIO_HAS_MOVE) |
| template <typename T> const T& rvref(); |
| template <typename T> const T& rvref(T); |
| #endif // defined(ASIO_HAS_MOVE) |
| template <typename T> char argbyv(T); |
| |
| template <int> |
| struct handler_type_requirements |
| { |
| }; |
| |
| #define ASIO_COMPLETION_HANDLER_CHECK( \ |
| handler_type, handler) \ |
| \ |
| typedef ASIO_HANDLER_TYPE(handler_type, \ |
| void()) asio_true_handler_type; \ |
| \ |
| ASIO_HANDLER_TYPE_REQUIREMENTS_ASSERT( \ |
| sizeof(asio::detail::zero_arg_copyable_handler_test( \ |
| asio::detail::clvref< \ |
| asio_true_handler_type>(), 0)) == 1, \ |
| "CompletionHandler type requirements not met") \ |
| \ |
| typedef asio::detail::handler_type_requirements< \ |
| sizeof( \ |
| asio::detail::argbyv( \ |
| asio::detail::clvref< \ |
| asio_true_handler_type>())) + \ |
| sizeof( \ |
| asio::detail::lvref< \ |
| asio_true_handler_type>()(), \ |
| char(0))> ASIO_UNUSED_TYPEDEF |
| |
| #define ASIO_READ_HANDLER_CHECK( \ |
| handler_type, handler) \ |
| \ |
| typedef ASIO_HANDLER_TYPE(handler_type, \ |
| void(asio::error_code, std::size_t)) \ |
| asio_true_handler_type; \ |
| \ |
| ASIO_HANDLER_TYPE_REQUIREMENTS_ASSERT( \ |
| sizeof(asio::detail::two_arg_handler_test( \ |
| asio::detail::rvref< \ |
| asio_true_handler_type>(), \ |
| static_cast<const asio::error_code*>(0), \ |
| static_cast<const std::size_t*>(0))) == 1, \ |
| "ReadHandler type requirements not met") \ |
| \ |
| typedef asio::detail::handler_type_requirements< \ |
| sizeof( \ |
| asio::detail::argbyv( \ |
| asio::detail::rvref< \ |
| asio_true_handler_type>())) + \ |
| sizeof( \ |
| asio::detail::lvref< \ |
| asio_true_handler_type>()( \ |
| asio::detail::lvref<const asio::error_code>(), \ |
| asio::detail::lvref<const std::size_t>()), \ |
| char(0))> ASIO_UNUSED_TYPEDEF |
| |
| #define ASIO_WRITE_HANDLER_CHECK( \ |
| handler_type, handler) \ |
| \ |
| typedef ASIO_HANDLER_TYPE(handler_type, \ |
| void(asio::error_code, std::size_t)) \ |
| asio_true_handler_type; \ |
| \ |
| ASIO_HANDLER_TYPE_REQUIREMENTS_ASSERT( \ |
| sizeof(asio::detail::two_arg_handler_test( \ |
| asio::detail::rvref< \ |
| asio_true_handler_type>(), \ |
| static_cast<const asio::error_code*>(0), \ |
| static_cast<const std::size_t*>(0))) == 1, \ |
| "WriteHandler type requirements not met") \ |
| \ |
| typedef asio::detail::handler_type_requirements< \ |
| sizeof( \ |
| asio::detail::argbyv( \ |
| asio::detail::rvref< \ |
| asio_true_handler_type>())) + \ |
| sizeof( \ |
| asio::detail::lvref< \ |
| asio_true_handler_type>()( \ |
| asio::detail::lvref<const asio::error_code>(), \ |
| asio::detail::lvref<const std::size_t>()), \ |
| char(0))> ASIO_UNUSED_TYPEDEF |
| |
| #define ASIO_ACCEPT_HANDLER_CHECK( \ |
| handler_type, handler) \ |
| \ |
| typedef ASIO_HANDLER_TYPE(handler_type, \ |
| void(asio::error_code)) \ |
| asio_true_handler_type; \ |
| \ |
| ASIO_HANDLER_TYPE_REQUIREMENTS_ASSERT( \ |
| sizeof(asio::detail::one_arg_handler_test( \ |
| asio::detail::rvref< \ |
| asio_true_handler_type>(), \ |
| static_cast<const asio::error_code*>(0))) == 1, \ |
| "AcceptHandler type requirements not met") \ |
| \ |
| typedef asio::detail::handler_type_requirements< \ |
| sizeof( \ |
| asio::detail::argbyv( \ |
| asio::detail::rvref< \ |
| asio_true_handler_type>())) + \ |
| sizeof( \ |
| asio::detail::lvref< \ |
| asio_true_handler_type>()( \ |
| asio::detail::lvref<const asio::error_code>()), \ |
| char(0))> ASIO_UNUSED_TYPEDEF |
| |
| #define ASIO_MOVE_ACCEPT_HANDLER_CHECK( \ |
| handler_type, handler, socket_type) \ |
| \ |
| typedef ASIO_HANDLER_TYPE(handler_type, \ |
| void(asio::error_code, socket_type)) \ |
| asio_true_handler_type; \ |
| \ |
| ASIO_HANDLER_TYPE_REQUIREMENTS_ASSERT( \ |
| sizeof(asio::detail::two_arg_move_handler_test( \ |
| asio::detail::rvref< \ |
| asio_true_handler_type>(), \ |
| static_cast<const asio::error_code*>(0), \ |
| static_cast<socket_type*>(0))) == 1, \ |
| "MoveAcceptHandler type requirements not met") \ |
| \ |
| typedef asio::detail::handler_type_requirements< \ |
| sizeof( \ |
| asio::detail::argbyv( \ |
| asio::detail::rvref< \ |
| asio_true_handler_type>())) + \ |
| sizeof( \ |
| asio::detail::lvref< \ |
| asio_true_handler_type>()( \ |
| asio::detail::lvref<const asio::error_code>(), \ |
| asio::detail::rvref<socket_type>()), \ |
| char(0))> ASIO_UNUSED_TYPEDEF |
| |
| #define ASIO_CONNECT_HANDLER_CHECK( \ |
| handler_type, handler) \ |
| \ |
| typedef ASIO_HANDLER_TYPE(handler_type, \ |
| void(asio::error_code)) \ |
| asio_true_handler_type; \ |
| \ |
| ASIO_HANDLER_TYPE_REQUIREMENTS_ASSERT( \ |
| sizeof(asio::detail::one_arg_handler_test( \ |
| asio::detail::rvref< \ |
| asio_true_handler_type>(), \ |
| static_cast<const asio::error_code*>(0))) == 1, \ |
| "ConnectHandler type requirements not met") \ |
| \ |
| typedef asio::detail::handler_type_requirements< \ |
| sizeof( \ |
| asio::detail::argbyv( \ |
| asio::detail::rvref< \ |
| asio_true_handler_type>())) + \ |
| sizeof( \ |
| asio::detail::lvref< \ |
| asio_true_handler_type>()( \ |
| asio::detail::lvref<const asio::error_code>()), \ |
| char(0))> ASIO_UNUSED_TYPEDEF |
| |
| #define ASIO_RANGE_CONNECT_HANDLER_CHECK( \ |
| handler_type, handler, endpoint_type) \ |
| \ |
| typedef ASIO_HANDLER_TYPE(handler_type, \ |
| void(asio::error_code, endpoint_type)) \ |
| asio_true_handler_type; \ |
| \ |
| ASIO_HANDLER_TYPE_REQUIREMENTS_ASSERT( \ |
| sizeof(asio::detail::two_arg_handler_test( \ |
| asio::detail::rvref< \ |
| asio_true_handler_type>(), \ |
| static_cast<const asio::error_code*>(0), \ |
| static_cast<const endpoint_type*>(0))) == 1, \ |
| "RangeConnectHandler type requirements not met") \ |
| \ |
| typedef asio::detail::handler_type_requirements< \ |
| sizeof( \ |
| asio::detail::argbyv( \ |
| asio::detail::rvref< \ |
| asio_true_handler_type>())) + \ |
| sizeof( \ |
| asio::detail::lvref< \ |
| asio_true_handler_type>()( \ |
| asio::detail::lvref<const asio::error_code>(), \ |
| asio::detail::lvref<const endpoint_type>()), \ |
| char(0))> ASIO_UNUSED_TYPEDEF |
| |
| #define ASIO_ITERATOR_CONNECT_HANDLER_CHECK( \ |
| handler_type, handler, iter_type) \ |
| \ |
| typedef ASIO_HANDLER_TYPE(handler_type, \ |
| void(asio::error_code, iter_type)) \ |
| asio_true_handler_type; \ |
| \ |
| ASIO_HANDLER_TYPE_REQUIREMENTS_ASSERT( \ |
| sizeof(asio::detail::two_arg_handler_test( \ |
| asio::detail::rvref< \ |
| asio_true_handler_type>(), \ |
| static_cast<const asio::error_code*>(0), \ |
| static_cast<const iter_type*>(0))) == 1, \ |
| "IteratorConnectHandler type requirements not met") \ |
| \ |
| typedef asio::detail::handler_type_requirements< \ |
| sizeof( \ |
| asio::detail::argbyv( \ |
| asio::detail::rvref< \ |
| asio_true_handler_type>())) + \ |
| sizeof( \ |
| asio::detail::lvref< \ |
| asio_true_handler_type>()( \ |
| asio::detail::lvref<const asio::error_code>(), \ |
| asio::detail::lvref<const iter_type>()), \ |
| char(0))> ASIO_UNUSED_TYPEDEF |
| |
| #define ASIO_RESOLVE_HANDLER_CHECK( \ |
| handler_type, handler, range_type) \ |
| \ |
| typedef ASIO_HANDLER_TYPE(handler_type, \ |
| void(asio::error_code, range_type)) \ |
| asio_true_handler_type; \ |
| \ |
| ASIO_HANDLER_TYPE_REQUIREMENTS_ASSERT( \ |
| sizeof(asio::detail::two_arg_handler_test( \ |
| asio::detail::rvref< \ |
| asio_true_handler_type>(), \ |
| static_cast<const asio::error_code*>(0), \ |
| static_cast<const range_type*>(0))) == 1, \ |
| "ResolveHandler type requirements not met") \ |
| \ |
| typedef asio::detail::handler_type_requirements< \ |
| sizeof( \ |
| asio::detail::argbyv( \ |
| asio::detail::rvref< \ |
| asio_true_handler_type>())) + \ |
| sizeof( \ |
| asio::detail::lvref< \ |
| asio_true_handler_type>()( \ |
| asio::detail::lvref<const asio::error_code>(), \ |
| asio::detail::lvref<const range_type>()), \ |
| char(0))> ASIO_UNUSED_TYPEDEF |
| |
| #define ASIO_WAIT_HANDLER_CHECK( \ |
| handler_type, handler) \ |
| \ |
| typedef ASIO_HANDLER_TYPE(handler_type, \ |
| void(asio::error_code)) \ |
| asio_true_handler_type; \ |
| \ |
| ASIO_HANDLER_TYPE_REQUIREMENTS_ASSERT( \ |
| sizeof(asio::detail::one_arg_handler_test( \ |
| asio::detail::rvref< \ |
| asio_true_handler_type>(), \ |
| static_cast<const asio::error_code*>(0))) == 1, \ |
| "WaitHandler type requirements not met") \ |
| \ |
| typedef asio::detail::handler_type_requirements< \ |
| sizeof( \ |
| asio::detail::argbyv( \ |
| asio::detail::rvref< \ |
| asio_true_handler_type>())) + \ |
| sizeof( \ |
| asio::detail::lvref< \ |
| asio_true_handler_type>()( \ |
| asio::detail::lvref<const asio::error_code>()), \ |
| char(0))> ASIO_UNUSED_TYPEDEF |
| |
| #define ASIO_SIGNAL_HANDLER_CHECK( \ |
| handler_type, handler) \ |
| \ |
| typedef ASIO_HANDLER_TYPE(handler_type, \ |
| void(asio::error_code, int)) \ |
| asio_true_handler_type; \ |
| \ |
| ASIO_HANDLER_TYPE_REQUIREMENTS_ASSERT( \ |
| sizeof(asio::detail::two_arg_handler_test( \ |
| asio::detail::rvref< \ |
| asio_true_handler_type>(), \ |
| static_cast<const asio::error_code*>(0), \ |
| static_cast<const int*>(0))) == 1, \ |
| "SignalHandler type requirements not met") \ |
| \ |
| typedef asio::detail::handler_type_requirements< \ |
| sizeof( \ |
| asio::detail::argbyv( \ |
| asio::detail::rvref< \ |
| asio_true_handler_type>())) + \ |
| sizeof( \ |
| asio::detail::lvref< \ |
| asio_true_handler_type>()( \ |
| asio::detail::lvref<const asio::error_code>(), \ |
| asio::detail::lvref<const int>()), \ |
| char(0))> ASIO_UNUSED_TYPEDEF |
| |
| #define ASIO_HANDSHAKE_HANDLER_CHECK( \ |
| handler_type, handler) \ |
| \ |
| typedef ASIO_HANDLER_TYPE(handler_type, \ |
| void(asio::error_code)) \ |
| asio_true_handler_type; \ |
| \ |
| ASIO_HANDLER_TYPE_REQUIREMENTS_ASSERT( \ |
| sizeof(asio::detail::one_arg_handler_test( \ |
| asio::detail::rvref< \ |
| asio_true_handler_type>(), \ |
| static_cast<const asio::error_code*>(0))) == 1, \ |
| "HandshakeHandler type requirements not met") \ |
| \ |
| typedef asio::detail::handler_type_requirements< \ |
| sizeof( \ |
| asio::detail::argbyv( \ |
| asio::detail::rvref< \ |
| asio_true_handler_type>())) + \ |
| sizeof( \ |
| asio::detail::lvref< \ |
| asio_true_handler_type>()( \ |
| asio::detail::lvref<const asio::error_code>()), \ |
| char(0))> ASIO_UNUSED_TYPEDEF |
| |
| #define ASIO_BUFFERED_HANDSHAKE_HANDLER_CHECK( \ |
| handler_type, handler) \ |
| \ |
| typedef ASIO_HANDLER_TYPE(handler_type, \ |
| void(asio::error_code, std::size_t)) \ |
| asio_true_handler_type; \ |
| \ |
| ASIO_HANDLER_TYPE_REQUIREMENTS_ASSERT( \ |
| sizeof(asio::detail::two_arg_handler_test( \ |
| asio::detail::rvref< \ |
| asio_true_handler_type>(), \ |
| static_cast<const asio::error_code*>(0), \ |
| static_cast<const std::size_t*>(0))) == 1, \ |
| "BufferedHandshakeHandler type requirements not met") \ |
| \ |
| typedef asio::detail::handler_type_requirements< \ |
| sizeof( \ |
| asio::detail::argbyv( \ |
| asio::detail::rvref< \ |
| asio_true_handler_type>())) + \ |
| sizeof( \ |
| asio::detail::lvref< \ |
| asio_true_handler_type>()( \ |
| asio::detail::lvref<const asio::error_code>(), \ |
| asio::detail::lvref<const std::size_t>()), \ |
| char(0))> ASIO_UNUSED_TYPEDEF |
| |
| #define ASIO_SHUTDOWN_HANDLER_CHECK( \ |
| handler_type, handler) \ |
| \ |
| typedef ASIO_HANDLER_TYPE(handler_type, \ |
| void(asio::error_code)) \ |
| asio_true_handler_type; \ |
| \ |
| ASIO_HANDLER_TYPE_REQUIREMENTS_ASSERT( \ |
| sizeof(asio::detail::one_arg_handler_test( \ |
| asio::detail::rvref< \ |
| asio_true_handler_type>(), \ |
| static_cast<const asio::error_code*>(0))) == 1, \ |
| "ShutdownHandler type requirements not met") \ |
| \ |
| typedef asio::detail::handler_type_requirements< \ |
| sizeof( \ |
| asio::detail::argbyv( \ |
| asio::detail::rvref< \ |
| asio_true_handler_type>())) + \ |
| sizeof( \ |
| asio::detail::lvref< \ |
| asio_true_handler_type>()( \ |
| asio::detail::lvref<const asio::error_code>()), \ |
| char(0))> ASIO_UNUSED_TYPEDEF |
| |
| #else // !defined(ASIO_ENABLE_HANDLER_TYPE_REQUIREMENTS) |
| |
| #define ASIO_COMPLETION_HANDLER_CHECK( \ |
| handler_type, handler) \ |
| typedef int ASIO_UNUSED_TYPEDEF |
| |
| #define ASIO_READ_HANDLER_CHECK( \ |
| handler_type, handler) \ |
| typedef int ASIO_UNUSED_TYPEDEF |
| |
| #define ASIO_WRITE_HANDLER_CHECK( \ |
| handler_type, handler) \ |
| typedef int ASIO_UNUSED_TYPEDEF |
| |
| #define ASIO_ACCEPT_HANDLER_CHECK( \ |
| handler_type, handler) \ |
| typedef int ASIO_UNUSED_TYPEDEF |
| |
| #define ASIO_CONNECT_HANDLER_CHECK( \ |
| handler_type, handler) \ |
| typedef int ASIO_UNUSED_TYPEDEF |
| |
| #define ASIO_RANGE_CONNECT_HANDLER_CHECK( \ |
| handler_type, handler, iter_type) \ |
| typedef int ASIO_UNUSED_TYPEDEF |
| |
| #define ASIO_ITERATOR_CONNECT_HANDLER_CHECK( \ |
| handler_type, handler, iter_type) \ |
| typedef int ASIO_UNUSED_TYPEDEF |
| |
| #define ASIO_RESOLVE_HANDLER_CHECK( \ |
| handler_type, handler, iter_type) \ |
| typedef int ASIO_UNUSED_TYPEDEF |
| |
| #define ASIO_WAIT_HANDLER_CHECK( \ |
| handler_type, handler) \ |
| typedef int ASIO_UNUSED_TYPEDEF |
| |
| #define ASIO_SIGNAL_HANDLER_CHECK( \ |
| handler_type, handler) \ |
| typedef int ASIO_UNUSED_TYPEDEF |
| |
| #define ASIO_HANDSHAKE_HANDLER_CHECK( \ |
| handler_type, handler) \ |
| typedef int ASIO_UNUSED_TYPEDEF |
| |
| #define ASIO_BUFFERED_HANDSHAKE_HANDLER_CHECK( \ |
| handler_type, handler) \ |
| typedef int ASIO_UNUSED_TYPEDEF |
| |
| #define ASIO_SHUTDOWN_HANDLER_CHECK( \ |
| handler_type, handler) \ |
| typedef int ASIO_UNUSED_TYPEDEF |
| |
| #endif // !defined(ASIO_ENABLE_HANDLER_TYPE_REQUIREMENTS) |
| |
| } // namespace detail |
| } // namespace asio |
| |
| #endif // ASIO_DETAIL_HANDLER_TYPE_REQUIREMENTS_HPP |