1 // 2 // detail/config.hpp 3 // ~~~~~~~~~~~~~~~~~ 4 // 5 // Copyright (c) 2003-2015 Christopher M. Kohlhoff (chris at kohlhoff dot com) 6 // 7 // Distributed under the Boost Software License, Version 1.0. (See accompanying 8 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 9 // 10 11 #ifndef ASIO_DETAIL_CONFIG_HPP 12 #define ASIO_DETAIL_CONFIG_HPP 13 14 # define ASIO_DISABLE_BOOST_ARRAY 1 15 # define ASIO_DISABLE_BOOST_ASSERT 1 16 # define ASIO_DISABLE_BOOST_BIND 1 17 # define ASIO_DISABLE_BOOST_CHRONO 1 18 # define ASIO_DISABLE_BOOST_DATE_TIME 1 19 # define ASIO_DISABLE_BOOST_LIMITS 1 20 # define ASIO_DISABLE_BOOST_REGEX 1 21 # define ASIO_DISABLE_BOOST_STATIC_CONSTANT 1 22 # define ASIO_DISABLE_BOOST_THROW_EXCEPTION 1 23 # define ASIO_DISABLE_BOOST_WORKAROUND 1 24 25 // Default to a header-only implementation. The user must specifically request 26 // separate compilation by defining either ASIO_SEPARATE_COMPILATION or 27 // ASIO_DYN_LINK (as a DLL/shared library implies separate compilation). 28 29 # define ASIO_DECL inline 30 31 // If ASIO_DECL isn't defined yet define it now. 32 #if !defined(ASIO_DECL) 33 # define ASIO_DECL 34 #endif // !defined(ASIO_DECL) 35 36 // Microsoft Visual C++ detection. 37 38 // Clang / libc++ detection. 39 # if (__cplusplus >= 201103) 40 # if __has_include(<__config>) 41 # include <__config> 42 # if defined(_LIBCPP_VERSION) 43 # define ASIO_HAS_CLANG_LIBCXX 1 44 # endif // defined(_LIBCPP_VERSION) 45 # endif // __has_include(<__config>) 46 # endif // (__cplusplus >= 201103) 47 48 // Support move construction and assignment on compilers known to allow it. 49 50 // If ASIO_MOVE_CAST isn't defined, and move support is available, define 51 // ASIO_MOVE_ARG and ASIO_MOVE_CAST to take advantage of rvalue 52 // references and perfect forwarding. 53 #if defined(ASIO_HAS_MOVE) && !defined(ASIO_MOVE_CAST) 54 # define ASIO_MOVE_ARG(type) type&& 55 # define ASIO_MOVE_CAST(type) static_cast<type&&> 56 # define ASIO_MOVE_CAST2(type1, type2) static_cast<type1, type2&&> 57 #endif // defined(ASIO_HAS_MOVE) && !defined(ASIO_MOVE_CAST) 58 59 // If ASIO_MOVE_CAST still isn't defined, default to a C++03-compatible 60 // implementation. Note that older g++ and MSVC versions don't like it when you 61 // pass a non-member function through a const reference, so for most compilers 62 // we'll play it safe and stick with the old approach of passing the handler by 63 // value. 64 #if !defined(ASIO_MOVE_CAST) 65 # if defined(__GNUC__) 66 # if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 1)) || (__GNUC__ > 4) 67 # define ASIO_MOVE_ARG(type) const type& 68 # else // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 1)) || (__GNUC__ > 4) 69 # define ASIO_MOVE_ARG(type) type 70 # endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 1)) || (__GNUC__ > 4) 71 # else 72 # define ASIO_MOVE_ARG(type) type 73 # endif 74 # define ASIO_MOVE_CAST(type) static_cast<const type&> 75 # define ASIO_MOVE_CAST2(type1, type2) static_cast<const type1, type2&> 76 #endif // !defined(ASIO_MOVE_CAST) 77 78 // Support variadic templates on compilers known to allow it. 79 80 // Support constexpr on compilers known to allow it. 81 #if !defined(ASIO_CONSTEXPR) 82 # define ASIO_CONSTEXPR constexpr 83 #endif // !defined(ASIO_CONSTEXPR) 84 85 // Standard library support for system errors. 86 87 // Compliant C++11 compilers put noexcept specifiers on error_category members. 88 #if !defined(ASIO_ERROR_CATEGORY_NOEXCEPT) 89 # if (BOOST_VERSION >= 105300) 90 # define ASIO_ERROR_CATEGORY_NOEXCEPT BOOST_NOEXCEPT 91 # else 92 # if __has_feature(__cxx_noexcept__) 93 # define ASIO_ERROR_CATEGORY_NOEXCEPT noexcept(true) 94 # endif // __has_feature(__cxx_noexcept__) 95 # endif 96 # if !defined(ASIO_ERROR_CATEGORY_NOEXCEPT) 97 # define ASIO_ERROR_CATEGORY_NOEXCEPT 98 # endif // !defined(ASIO_ERROR_CATEGORY_NOEXCEPT) 99 #endif // !defined(ASIO_ERROR_CATEGORY_NOEXCEPT) 100 101 // Standard library support for arrays. 102 103 // Standard library support for shared_ptr and weak_ptr. 104 105 // Standard library support for atomic operations. 106 107 // Standard library support for chrono. Some standard libraries (such as the 108 // libstdc++ shipped with gcc 4.6) provide monotonic_clock as per early C++0x 109 // drafts, rather than the eventually standardised name of steady_clock. 110 111 // Boost support for chrono. 112 113 // Boost support for the DateTime library. 114 115 // Standard library support for addressof. 116 117 // Standard library support for the function class. 118 119 // Standard library support for type traits. 120 121 // Standard library support for the cstdint header. 122 123 // Standard library support for the thread class. 124 125 // Standard library support for the mutex and condition variable classes. 126 127 // WinRT target. 128 # if defined(__cplusplus_winrt) 129 # include <winapifamily.h> 130 # if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP) && !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) 131 # define ASIO_WINDOWS_RUNTIME 1 132 # endif // WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP) 133 // && !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) 134 # endif // defined(__cplusplus_winrt) 135 136 // Windows target. Excludes WinRT. 137 138 // Windows: target OS version. 139 140 // Windows: minimise header inclusion. 141 142 // Windows: suppress definition of "min" and "max" macros. 143 144 // Windows: IO Completion Ports. 145 146 // On POSIX (and POSIX-like) platforms we need to include unistd.h in order to 147 // get access to the various platform feature macros, e.g. to be able to test 148 // for threads support. 149 #if !defined(ASIO_HAS_UNISTD_H) 150 # if defined(unix) || defined(__unix) || defined(_XOPEN_SOURCE) || defined(_POSIX_SOURCE) || (defined(__MACH__) && defined(__APPLE__)) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__linux__) 151 # define ASIO_HAS_UNISTD_H 1 152 # endif 153 #endif // !defined(ASIO_HAS_UNISTD_H) 154 #if defined(ASIO_HAS_UNISTD_H) 155 # include <unistd.h> 156 #endif // defined(ASIO_HAS_UNISTD_H) 157 158 // Linux: epoll, eventfd and timerfd. 159 #if defined(__linux__) 160 # include <linux/version.h> 161 # if !defined(ASIO_HAS_EPOLL) 162 # endif // !defined(ASIO_HAS_EPOLL) 163 # if defined(ASIO_HAS_EPOLL) 164 # if (__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 8) 165 # define ASIO_HAS_TIMERFD 1 166 # endif // (__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 8) 167 # endif // defined(ASIO_HAS_EPOLL) 168 #endif // defined(__linux__) 169 170 // Mac OS X, FreeBSD, NetBSD, OpenBSD: kqueue. 171 #if (defined(__MACH__) && defined(__APPLE__)) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) 172 #endif // (defined(__MACH__) && defined(__APPLE__)) 173 // || defined(__FreeBSD__) 174 // || defined(__NetBSD__) 175 // || defined(__OpenBSD__) 176 177 // Solaris: /dev/poll. 178 #if defined(__sun) 179 # if !defined(ASIO_HAS_DEV_POLL) 180 # if !defined(ASIO_DISABLE_DEV_POLL) 181 # define ASIO_HAS_DEV_POLL 1 182 # endif // !defined(ASIO_DISABLE_DEV_POLL) 183 # endif // !defined(ASIO_HAS_DEV_POLL) 184 #endif // defined(__sun) 185 186 // Serial ports. 187 // || !defined(ASIO_WINDOWS) 188 // && !defined(ASIO_WINDOWS_RUNTIME) 189 // && !defined(__CYGWIN__) 190 191 // Windows: stream handles. 192 # if !defined(ASIO_DISABLE_WINDOWS_STREAM_HANDLE) 193 # endif // !defined(ASIO_DISABLE_WINDOWS_STREAM_HANDLE) 194 195 // Windows: random access handles. 196 # if !defined(ASIO_DISABLE_WINDOWS_RANDOM_ACCESS_HANDLE) 197 # endif // !defined(ASIO_DISABLE_WINDOWS_RANDOM_ACCESS_HANDLE) 198 199 // Windows: object handles. 200 # if !defined(ASIO_DISABLE_WINDOWS_OBJECT_HANDLE) 201 # endif // !defined(ASIO_DISABLE_WINDOWS_OBJECT_HANDLE) 202 203 // Windows: OVERLAPPED wrapper. 204 # if !defined(ASIO_DISABLE_WINDOWS_OVERLAPPED_PTR) 205 # endif // !defined(ASIO_DISABLE_WINDOWS_OVERLAPPED_PTR) 206 207 // POSIX: stream-oriented file descriptors. 208 209 // UNIX domain sockets. 210 211 // Can use sigaction() instead of signal(). 212 #if !defined(ASIO_HAS_SIGACTION) 213 # if !defined(ASIO_DISABLE_SIGACTION) 214 # define ASIO_HAS_SIGACTION 1 215 // && !defined(ASIO_WINDOWS_RUNTIME) 216 // && !defined(__CYGWIN__) 217 # endif // !defined(ASIO_DISABLE_SIGACTION) 218 #endif // !defined(ASIO_HAS_SIGACTION) 219 220 // Can use signal(). 221 #if !defined(ASIO_HAS_SIGNAL) 222 # if !defined(ASIO_DISABLE_SIGNAL) 223 # if !defined(UNDER_CE) 224 # define ASIO_HAS_SIGNAL 1 225 # endif // !defined(UNDER_CE) 226 # endif // !defined(ASIO_DISABLE_SIGNAL) 227 #endif // !defined(ASIO_HAS_SIGNAL) 228 229 // Can use getaddrinfo() and getnameinfo(). 230 231 // Whether standard iostreams are disabled. 232 233 // Whether exception handling is disabled. 234 #if !defined(ASIO_NO_EXCEPTIONS) 235 #endif // !defined(ASIO_NO_EXCEPTIONS) 236 237 // Whether the typeid operator is supported. 238 #if !defined(ASIO_NO_TYPEID) 239 #endif // !defined(ASIO_NO_TYPEID) 240 241 // Threads. 242 243 // POSIX threads. 244 #if !defined(ASIO_HAS_PTHREADS) 245 # if defined(_POSIX_THREADS) 246 # define ASIO_HAS_PTHREADS 1 247 # endif // defined(ASIO_HAS_BOOST_CONFIG) && defined(BOOST_HAS_PTHREADS) 248 #endif // !defined(ASIO_HAS_PTHREADS) 249 250 // Helper to prevent macro expansion. 251 #define ASIO_PREVENT_MACRO_SUBSTITUTION 252 253 // Helper to define in-class constants. 254 #if !defined(ASIO_STATIC_CONSTANT) 255 # define ASIO_STATIC_CONSTANT(type, assignment) static const type assignment 256 #endif // !defined(ASIO_STATIC_CONSTANT) 257 258 // Boost array library. 259 260 // Boost assert macro. 261 262 // Boost limits header. 263 264 // Boost throw_exception function. 265 266 // Boost regex library. 267 268 // Boost bind function. 269 270 // Boost's BOOST_WORKAROUND macro. 271 272 // Microsoft Visual C++'s secure C runtime library. 273 #if !defined(ASIO_HAS_SECURE_RTL) 274 # if !defined(ASIO_DISABLE_SECURE_RTL) 275 // && (ASIO_MSVC >= 1400) 276 // && !defined(UNDER_CE) 277 # endif // !defined(ASIO_DISABLE_SECURE_RTL) 278 #endif // !defined(ASIO_HAS_SECURE_RTL) 279 280 // Handler hooking. Disabled for ancient Borland C++ and gcc compilers. 281 #if !defined(ASIO_HAS_HANDLER_HOOKS) 282 # if !defined(ASIO_DISABLE_HANDLER_HOOKS) 283 # if defined(__GNUC__) 284 # if (__GNUC__ >= 3) 285 # define ASIO_HAS_HANDLER_HOOKS 1 286 # endif // (__GNUC__ >= 3) 287 # else 288 # define ASIO_HAS_HANDLER_HOOKS 1 289 # endif // !defined(__BORLANDC__) 290 # endif // !defined(ASIO_DISABLE_HANDLER_HOOKS) 291 #endif // !defined(ASIO_HAS_HANDLER_HOOKS) 292 293 // Support for the __thread keyword extension. 294 #if !defined(ASIO_THREAD_KEYWORD) 295 # define ASIO_THREAD_KEYWORD __thread 296 #endif // !defined(ASIO_THREAD_KEYWORD) 297 298 // Support for POSIX ssize_t typedef. 299 #if !defined(ASIO_DISABLE_SSIZE_T) 300 # if defined(__linux__) || (defined(__MACH__) && defined(__APPLE__)) 301 # define ASIO_HAS_SSIZE_T 1 302 # endif // defined(__linux__) 303 // || (defined(__MACH__) && defined(__APPLE__)) 304 #endif // !defined(ASIO_DISABLE_SSIZE_T) 305 306 #endif // ASIO_DETAIL_CONFIG_HPP 307