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307 lines
10 KiB
307 lines
10 KiB
//
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// detail/config.hpp
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// ~~~~~~~~~~~~~~~~~
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//
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// Copyright (c) 2003-2015 Christopher M. Kohlhoff (chris at kohlhoff dot com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#ifndef ASIO_DETAIL_CONFIG_HPP
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#define ASIO_DETAIL_CONFIG_HPP
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# define ASIO_DISABLE_BOOST_ARRAY 1
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# define ASIO_DISABLE_BOOST_ASSERT 1
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# define ASIO_DISABLE_BOOST_BIND 1
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# define ASIO_DISABLE_BOOST_CHRONO 1
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# define ASIO_DISABLE_BOOST_DATE_TIME 1
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# define ASIO_DISABLE_BOOST_LIMITS 1
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# define ASIO_DISABLE_BOOST_REGEX 1
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# define ASIO_DISABLE_BOOST_STATIC_CONSTANT 1
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# define ASIO_DISABLE_BOOST_THROW_EXCEPTION 1
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# define ASIO_DISABLE_BOOST_WORKAROUND 1
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// Default to a header-only implementation. The user must specifically request
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// separate compilation by defining either ASIO_SEPARATE_COMPILATION or
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// ASIO_DYN_LINK (as a DLL/shared library implies separate compilation).
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# define ASIO_DECL inline
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// If ASIO_DECL isn't defined yet define it now.
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#if !defined(ASIO_DECL)
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# define ASIO_DECL
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#endif // !defined(ASIO_DECL)
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// Microsoft Visual C++ detection.
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// Clang / libc++ detection.
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# if (__cplusplus >= 201103)
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# if __has_include(<__config>)
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# include <__config>
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# if defined(_LIBCPP_VERSION)
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# define ASIO_HAS_CLANG_LIBCXX 1
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# endif // defined(_LIBCPP_VERSION)
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# endif // __has_include(<__config>)
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# endif // (__cplusplus >= 201103)
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// Support move construction and assignment on compilers known to allow it.
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// If ASIO_MOVE_CAST isn't defined, and move support is available, define
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// ASIO_MOVE_ARG and ASIO_MOVE_CAST to take advantage of rvalue
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// references and perfect forwarding.
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#if !defined(ASIO_MOVE_CAST)
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# define ASIO_MOVE_ARG(type) type&&
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# define ASIO_MOVE_CAST(type) static_cast<type&&>
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# define ASIO_MOVE_CAST2(type1, type2) static_cast<type1, type2&&>
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#endif // defined(ASIO_HAS_MOVE) && !defined(ASIO_MOVE_CAST)
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// If ASIO_MOVE_CAST still isn't defined, default to a C++03-compatible
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// implementation. Note that older g++ and MSVC versions don't like it when you
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// pass a non-member function through a const reference, so for most compilers
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// we'll play it safe and stick with the old approach of passing the handler by
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// value.
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#if !defined(ASIO_MOVE_CAST)
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# if defined(__GNUC__)
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# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 1)) || (__GNUC__ > 4)
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# define ASIO_MOVE_ARG(type) const type&
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# else // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 1)) || (__GNUC__ > 4)
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# define ASIO_MOVE_ARG(type) type
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# endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 1)) || (__GNUC__ > 4)
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# else
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# define ASIO_MOVE_ARG(type) type
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# endif
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# define ASIO_MOVE_CAST(type) static_cast<const type&>
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# define ASIO_MOVE_CAST2(type1, type2) static_cast<const type1, type2&>
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#endif // !defined(ASIO_MOVE_CAST)
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// Support variadic templates on compilers known to allow it.
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// Support constexpr on compilers known to allow it.
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#if !defined(ASIO_CONSTEXPR)
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# define ASIO_CONSTEXPR constexpr
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#endif // !defined(ASIO_CONSTEXPR)
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// Standard library support for system errors.
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// Compliant C++11 compilers put noexcept specifiers on error_category members.
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#if !defined(ASIO_ERROR_CATEGORY_NOEXCEPT)
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# if (BOOST_VERSION >= 105300)
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# define ASIO_ERROR_CATEGORY_NOEXCEPT BOOST_NOEXCEPT
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# else
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# if __has_feature(__cxx_noexcept__)
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# define ASIO_ERROR_CATEGORY_NOEXCEPT noexcept(true)
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# endif // __has_feature(__cxx_noexcept__)
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# endif
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# if !defined(ASIO_ERROR_CATEGORY_NOEXCEPT)
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# define ASIO_ERROR_CATEGORY_NOEXCEPT
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# endif // !defined(ASIO_ERROR_CATEGORY_NOEXCEPT)
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#endif // !defined(ASIO_ERROR_CATEGORY_NOEXCEPT)
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// Standard library support for arrays.
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// Standard library support for shared_ptr and weak_ptr.
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// Standard library support for atomic operations.
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// Standard library support for chrono. Some standard libraries (such as the
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// libstdc++ shipped with gcc 4.6) provide monotonic_clock as per early C++0x
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// drafts, rather than the eventually standardised name of steady_clock.
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// Boost support for chrono.
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// Boost support for the DateTime library.
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// Standard library support for addressof.
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// Standard library support for the function class.
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// Standard library support for type traits.
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// Standard library support for the cstdint header.
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// Standard library support for the thread class.
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// Standard library support for the mutex and condition variable classes.
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// WinRT target.
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# if defined(__cplusplus_winrt)
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# include <winapifamily.h>
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# if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP) && !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
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# define ASIO_WINDOWS_RUNTIME 1
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# endif // WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP)
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// && !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
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# endif // defined(__cplusplus_winrt)
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// Windows target. Excludes WinRT.
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// Windows: target OS version.
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// Windows: minimise header inclusion.
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// Windows: suppress definition of "min" and "max" macros.
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// Windows: IO Completion Ports.
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// On POSIX (and POSIX-like) platforms we need to include unistd.h in order to
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// get access to the various platform feature macros, e.g. to be able to test
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// for threads support.
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#if !defined(ASIO_HAS_UNISTD_H)
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# if defined(unix) || defined(__unix) || defined(_XOPEN_SOURCE) || defined(_POSIX_SOURCE) || (defined(__MACH__) && defined(__APPLE__)) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__linux__)
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# define ASIO_HAS_UNISTD_H 1
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# endif
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#endif // !defined(ASIO_HAS_UNISTD_H)
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#if defined(ASIO_HAS_UNISTD_H)
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# include <unistd.h>
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#endif // defined(ASIO_HAS_UNISTD_H)
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// Linux: epoll, eventfd and timerfd.
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#if defined(__linux__)
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# include <linux/version.h>
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# if !defined(ASIO_HAS_EPOLL)
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# endif // !defined(ASIO_HAS_EPOLL)
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# if defined(ASIO_HAS_EPOLL)
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# if (__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 8)
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# define ASIO_HAS_TIMERFD 1
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# endif // (__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 8)
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# endif // defined(ASIO_HAS_EPOLL)
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#endif // defined(__linux__)
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// Mac OS X, FreeBSD, NetBSD, OpenBSD: kqueue.
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#if (defined(__MACH__) && defined(__APPLE__)) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
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#endif // (defined(__MACH__) && defined(__APPLE__))
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// || defined(__FreeBSD__)
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// || defined(__NetBSD__)
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// || defined(__OpenBSD__)
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// Solaris: /dev/poll.
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#if defined(__sun)
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# if !defined(ASIO_HAS_DEV_POLL)
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# if !defined(ASIO_DISABLE_DEV_POLL)
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# define ASIO_HAS_DEV_POLL 1
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# endif // !defined(ASIO_DISABLE_DEV_POLL)
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# endif // !defined(ASIO_HAS_DEV_POLL)
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#endif // defined(__sun)
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// Serial ports.
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// || !defined(ASIO_WINDOWS)
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// && !defined(ASIO_WINDOWS_RUNTIME)
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// && !defined(__CYGWIN__)
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// Windows: stream handles.
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# if !defined(ASIO_DISABLE_WINDOWS_STREAM_HANDLE)
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# endif // !defined(ASIO_DISABLE_WINDOWS_STREAM_HANDLE)
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// Windows: random access handles.
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# if !defined(ASIO_DISABLE_WINDOWS_RANDOM_ACCESS_HANDLE)
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# endif // !defined(ASIO_DISABLE_WINDOWS_RANDOM_ACCESS_HANDLE)
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// Windows: object handles.
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# if !defined(ASIO_DISABLE_WINDOWS_OBJECT_HANDLE)
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# endif // !defined(ASIO_DISABLE_WINDOWS_OBJECT_HANDLE)
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// Windows: OVERLAPPED wrapper.
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# if !defined(ASIO_DISABLE_WINDOWS_OVERLAPPED_PTR)
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# endif // !defined(ASIO_DISABLE_WINDOWS_OVERLAPPED_PTR)
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// POSIX: stream-oriented file descriptors.
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// UNIX domain sockets.
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// Can use sigaction() instead of signal().
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#if !defined(ASIO_HAS_SIGACTION)
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# if !defined(ASIO_DISABLE_SIGACTION)
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# define ASIO_HAS_SIGACTION 1
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// && !defined(ASIO_WINDOWS_RUNTIME)
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// && !defined(__CYGWIN__)
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# endif // !defined(ASIO_DISABLE_SIGACTION)
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#endif // !defined(ASIO_HAS_SIGACTION)
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// Can use signal().
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#if !defined(ASIO_HAS_SIGNAL)
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# if !defined(ASIO_DISABLE_SIGNAL)
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# if !defined(UNDER_CE)
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# define ASIO_HAS_SIGNAL 1
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# endif // !defined(UNDER_CE)
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# endif // !defined(ASIO_DISABLE_SIGNAL)
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#endif // !defined(ASIO_HAS_SIGNAL)
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// Can use getaddrinfo() and getnameinfo().
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// Whether standard iostreams are disabled.
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// Whether exception handling is disabled.
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#if !defined(ASIO_NO_EXCEPTIONS)
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#endif // !defined(ASIO_NO_EXCEPTIONS)
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// Whether the typeid operator is supported.
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#if !defined(ASIO_NO_TYPEID)
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#endif // !defined(ASIO_NO_TYPEID)
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// Threads.
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// POSIX threads.
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#if !defined(ASIO_HAS_PTHREADS)
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# if defined(_POSIX_THREADS)
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# define ASIO_HAS_PTHREADS 1
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# endif // defined(ASIO_HAS_BOOST_CONFIG) && defined(BOOST_HAS_PTHREADS)
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#endif // !defined(ASIO_HAS_PTHREADS)
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// Helper to prevent macro expansion.
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#define ASIO_PREVENT_MACRO_SUBSTITUTION
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// Helper to define in-class constants.
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#if !defined(ASIO_STATIC_CONSTANT)
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# define ASIO_STATIC_CONSTANT(type, assignment) static const type assignment
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#endif // !defined(ASIO_STATIC_CONSTANT)
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// Boost array library.
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// Boost assert macro.
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// Boost limits header.
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// Boost throw_exception function.
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// Boost regex library.
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// Boost bind function.
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// Boost's BOOST_WORKAROUND macro.
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// Microsoft Visual C++'s secure C runtime library.
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#if !defined(ASIO_HAS_SECURE_RTL)
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# if !defined(ASIO_DISABLE_SECURE_RTL)
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// && (ASIO_MSVC >= 1400)
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// && !defined(UNDER_CE)
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# endif // !defined(ASIO_DISABLE_SECURE_RTL)
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#endif // !defined(ASIO_HAS_SECURE_RTL)
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// Handler hooking. Disabled for ancient Borland C++ and gcc compilers.
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#if !defined(ASIO_HAS_HANDLER_HOOKS)
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# if !defined(ASIO_DISABLE_HANDLER_HOOKS)
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# if defined(__GNUC__)
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# if (__GNUC__ >= 3)
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# define ASIO_HAS_HANDLER_HOOKS 1
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# endif // (__GNUC__ >= 3)
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# else
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# define ASIO_HAS_HANDLER_HOOKS 1
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# endif // !defined(__BORLANDC__)
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# endif // !defined(ASIO_DISABLE_HANDLER_HOOKS)
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#endif // !defined(ASIO_HAS_HANDLER_HOOKS)
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// Support for the __thread keyword extension.
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#if !defined(ASIO_THREAD_KEYWORD)
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# define ASIO_THREAD_KEYWORD __thread
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#endif // !defined(ASIO_THREAD_KEYWORD)
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// Support for POSIX ssize_t typedef.
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#if !defined(ASIO_DISABLE_SSIZE_T)
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# if defined(__linux__) || (defined(__MACH__) && defined(__APPLE__))
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# define ASIO_HAS_SSIZE_T 1
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# endif // defined(__linux__)
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// || (defined(__MACH__) && defined(__APPLE__))
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#endif // !defined(ASIO_DISABLE_SSIZE_T)
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#endif // ASIO_DETAIL_CONFIG_HPP
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