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[ceph.git] / ceph / src / boost / boost / asio / detail / config.hpp
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7c673cae
FG		 1//
2// detail/config.hpp
3// ~~~~~~~~~~~~~~~~~
4//
1e59de90 5// Copyright (c) 2003-2022 Christopher M. Kohlhoff (chris at kohlhoff dot com)
7c673cae
FG		 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 BOOST_ASIO_DETAIL_CONFIG_HPP
12#define BOOST_ASIO_DETAIL_CONFIG_HPP
13
14#if defined(BOOST_ASIO_STANDALONE)
1e59de90 15# define BOOST_ASIO_DISABLE_BOOST_ALIGN 1
7c673cae
FG		 16# define BOOST_ASIO_DISABLE_BOOST_ARRAY 1
17# define BOOST_ASIO_DISABLE_BOOST_ASSERT 1
18# define BOOST_ASIO_DISABLE_BOOST_BIND 1
19# define BOOST_ASIO_DISABLE_BOOST_CHRONO 1
20# define BOOST_ASIO_DISABLE_BOOST_DATE_TIME 1
21# define BOOST_ASIO_DISABLE_BOOST_LIMITS 1
22# define BOOST_ASIO_DISABLE_BOOST_REGEX 1
23# define BOOST_ASIO_DISABLE_BOOST_STATIC_CONSTANT 1
24# define BOOST_ASIO_DISABLE_BOOST_THROW_EXCEPTION 1
25# define BOOST_ASIO_DISABLE_BOOST_WORKAROUND 1
26#else // defined(BOOST_ASIO_STANDALONE)
1e59de90 27// Boost.Config library is available.
7c673cae
FG		 28# include <boost/config.hpp>
29# include <boost/version.hpp>
30# define BOOST_ASIO_HAS_BOOST_CONFIG 1
31#endif // defined(BOOST_ASIO_STANDALONE)
32
33// Default to a header-only implementation. The user must specifically request
34// separate compilation by defining either BOOST_ASIO_SEPARATE_COMPILATION or
35// BOOST_ASIO_DYN_LINK (as a DLL/shared library implies separate compilation).
36#if !defined(BOOST_ASIO_HEADER_ONLY)
37# if !defined(BOOST_ASIO_SEPARATE_COMPILATION)
38# if !defined(BOOST_ASIO_DYN_LINK)
39# define BOOST_ASIO_HEADER_ONLY 1
40# endif // !defined(BOOST_ASIO_DYN_LINK)
41# endif // !defined(BOOST_ASIO_SEPARATE_COMPILATION)
42#endif // !defined(BOOST_ASIO_HEADER_ONLY)
43
44#if defined(BOOST_ASIO_HEADER_ONLY)
45# define BOOST_ASIO_DECL inline
46#else // defined(BOOST_ASIO_HEADER_ONLY)
47# if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__CODEGEARC__)
48// We need to import/export our code only if the user has specifically asked
49// for it by defining BOOST_ASIO_DYN_LINK.
50# if defined(BOOST_ASIO_DYN_LINK)
51// Export if this is our own source, otherwise import.
52# if defined(BOOST_ASIO_SOURCE)
53# define BOOST_ASIO_DECL __declspec(dllexport)
54# else // defined(BOOST_ASIO_SOURCE)
55# define BOOST_ASIO_DECL __declspec(dllimport)
56# endif // defined(BOOST_ASIO_SOURCE)
57# endif // defined(BOOST_ASIO_DYN_LINK)
58# endif // defined(_MSC_VER) || defined(__BORLANDC__) || defined(__CODEGEARC__)
59#endif // defined(BOOST_ASIO_HEADER_ONLY)
60
61// If BOOST_ASIO_DECL isn't defined yet define it now.
62#if !defined(BOOST_ASIO_DECL)
63# define BOOST_ASIO_DECL
64#endif // !defined(BOOST_ASIO_DECL)
65
20effc67
TL		 66// Helper macro for documentation.
67#define BOOST_ASIO_UNSPECIFIED(e) e
68
7c673cae
FG		 69// Microsoft Visual C++ detection.
70#if !defined(BOOST_ASIO_MSVC)
71# if defined(BOOST_ASIO_HAS_BOOST_CONFIG) && defined(BOOST_MSVC)
72# define BOOST_ASIO_MSVC BOOST_MSVC
b32b8144
FG		 73# elif defined(_MSC_VER) && (defined(__INTELLISENSE__) \
74 || (!defined(__MWERKS__) && !defined(__EDG_VERSION__)))
7c673cae
FG		 75# define BOOST_ASIO_MSVC _MSC_VER
76# endif // defined(BOOST_ASIO_HAS_BOOST_CONFIG) && defined(BOOST_MSVC)
11fdf7f2 77#endif // !defined(BOOST_ASIO_MSVC)
7c673cae
FG		 78
79// Clang / libc++ detection.
80#if defined(__clang__)
81# if (__cplusplus >= 201103)
82# if __has_include(<__config>)
83# include <__config>
84# if defined(_LIBCPP_VERSION)
85# define BOOST_ASIO_HAS_CLANG_LIBCXX 1
86# endif // defined(_LIBCPP_VERSION)
87# endif // __has_include(<__config>)
88# endif // (__cplusplus >= 201103)
89#endif // defined(__clang__)
90
b32b8144
FG		 91// Android platform detection.
92#if defined(__ANDROID__)
93# include <android/api-level.h>
94#endif // defined(__ANDROID__)
95
7c673cae
FG		 96// Support move construction and assignment on compilers known to allow it.
97#if !defined(BOOST_ASIO_HAS_MOVE)
98# if !defined(BOOST_ASIO_DISABLE_MOVE)
99# if defined(__clang__)
100# if __has_feature(__cxx_rvalue_references__)
101# define BOOST_ASIO_HAS_MOVE 1
102# endif // __has_feature(__cxx_rvalue_references__)
1e59de90 103# elif defined(__GNUC__)
20effc67 104# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 8)) || (__GNUC__ > 4)
f67539c2 105# if (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
7c673cae 106# define BOOST_ASIO_HAS_MOVE 1
f67539c2 107# endif // (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
20effc67 108# endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 8)) || (__GNUC__ > 4)
7c673cae
FG		 109# endif // defined(__GNUC__)
110# if defined(BOOST_ASIO_MSVC)
111# if (_MSC_VER >= 1700)
112# define BOOST_ASIO_HAS_MOVE 1
113# endif // (_MSC_VER >= 1700)
114# endif // defined(BOOST_ASIO_MSVC)
92f5a8d4
TL		 115# if defined(__INTEL_CXX11_MODE__)
116# if defined(__INTEL_COMPILER) && (__INTEL_COMPILER >= 1500)
117# define BOOST_ASIO_HAS_MOVE 1
118# endif // defined(__INTEL_COMPILER) && (__INTEL_COMPILER >= 1500)
119# if defined(__ICL) && (__ICL >= 1500)
120# define BOOST_ASIO_HAS_MOVE 1
121# endif // defined(__ICL) && (__ICL >= 1500)
122# endif // defined(__INTEL_CXX11_MODE__)
7c673cae
FG		 123# endif // !defined(BOOST_ASIO_DISABLE_MOVE)
124#endif // !defined(BOOST_ASIO_HAS_MOVE)
125
126// If BOOST_ASIO_MOVE_CAST isn't defined, and move support is available, define
92f5a8d4
TL		 127// * BOOST_ASIO_MOVE_ARG,
128// * BOOST_ASIO_NONDEDUCED_MOVE_ARG, and
129// * BOOST_ASIO_MOVE_CAST
130// to take advantage of rvalue references and perfect forwarding.
7c673cae
FG		 131#if defined(BOOST_ASIO_HAS_MOVE) && !defined(BOOST_ASIO_MOVE_CAST)
132# define BOOST_ASIO_MOVE_ARG(type) type&&
b32b8144 133# define BOOST_ASIO_MOVE_ARG2(type1, type2) type1, type2&&
92f5a8d4 134# define BOOST_ASIO_NONDEDUCED_MOVE_ARG(type) type&
7c673cae
FG		 135# define BOOST_ASIO_MOVE_CAST(type) static_cast<type&&>
136# define BOOST_ASIO_MOVE_CAST2(type1, type2) static_cast<type1, type2&&>
20effc67
TL		 137# define BOOST_ASIO_MOVE_OR_LVALUE(type) static_cast<type&&>
138# define BOOST_ASIO_MOVE_OR_LVALUE_TYPE(type) type
7c673cae
FG		 139#endif // defined(BOOST_ASIO_HAS_MOVE) && !defined(BOOST_ASIO_MOVE_CAST)
140
141// If BOOST_ASIO_MOVE_CAST still isn't defined, default to a C++03-compatible
142// implementation. Note that older g++ and MSVC versions don't like it when you
143// pass a non-member function through a const reference, so for most compilers
144// we'll play it safe and stick with the old approach of passing the handler by
145// value.
146#if !defined(BOOST_ASIO_MOVE_CAST)
147# if defined(__GNUC__)
148# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 1)) || (__GNUC__ > 4)
149# define BOOST_ASIO_MOVE_ARG(type) const type&
150# else // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 1)) || (__GNUC__ > 4)
151# define BOOST_ASIO_MOVE_ARG(type) type
152# endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 1)) || (__GNUC__ > 4)
153# elif defined(BOOST_ASIO_MSVC)
154# if (_MSC_VER >= 1400)
155# define BOOST_ASIO_MOVE_ARG(type) const type&
156# else // (_MSC_VER >= 1400)
157# define BOOST_ASIO_MOVE_ARG(type) type
158# endif // (_MSC_VER >= 1400)
159# else
160# define BOOST_ASIO_MOVE_ARG(type) type
161# endif
92f5a8d4 162# define BOOST_ASIO_NONDEDUCED_MOVE_ARG(type) const type&
7c673cae
FG		 163# define BOOST_ASIO_MOVE_CAST(type) static_cast<const type&>
164# define BOOST_ASIO_MOVE_CAST2(type1, type2) static_cast<const type1, type2&>
20effc67
TL		 165# define BOOST_ASIO_MOVE_OR_LVALUE(type)
166# define BOOST_ASIO_MOVE_OR_LVALUE_TYPE(type) type&
7c673cae
FG		 167#endif // !defined(BOOST_ASIO_MOVE_CAST)
168
169// Support variadic templates on compilers known to allow it.
170#if !defined(BOOST_ASIO_HAS_VARIADIC_TEMPLATES)
171# if !defined(BOOST_ASIO_DISABLE_VARIADIC_TEMPLATES)
172# if defined(__clang__)
173# if __has_feature(__cxx_variadic_templates__)
174# define BOOST_ASIO_HAS_VARIADIC_TEMPLATES 1
175# endif // __has_feature(__cxx_variadic_templates__)
1e59de90 176# elif defined(__GNUC__)
20effc67 177# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 8)) || (__GNUC__ > 4)
f67539c2 178# if (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
7c673cae 179# define BOOST_ASIO_HAS_VARIADIC_TEMPLATES 1
f67539c2 180# endif // (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
20effc67 181# endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 8)) || (__GNUC__ > 4)
7c673cae 182# endif // defined(__GNUC__)
b32b8144
FG		 183# if defined(BOOST_ASIO_MSVC)
184# if (_MSC_VER >= 1900)
185# define BOOST_ASIO_HAS_VARIADIC_TEMPLATES 1
186# endif // (_MSC_VER >= 1900)
187# endif // defined(BOOST_ASIO_MSVC)
7c673cae
FG		 188# endif // !defined(BOOST_ASIO_DISABLE_VARIADIC_TEMPLATES)
189#endif // !defined(BOOST_ASIO_HAS_VARIADIC_TEMPLATES)
20effc67
TL		 190#if !defined(BOOST_ASIO_ELLIPSIS)
191# if defined(BOOST_ASIO_HAS_VARIADIC_TEMPLATES)
192# define BOOST_ASIO_ELLIPSIS ...
193# else // defined(BOOST_ASIO_HAS_VARIADIC_TEMPLATES)
194# define BOOST_ASIO_ELLIPSIS
195# endif // defined(BOOST_ASIO_HAS_VARIADIC_TEMPLATES)
196#endif // !defined(BOOST_ASIO_ELLIPSIS)
7c673cae 197
b32b8144
FG		 198// Support deleted functions on compilers known to allow it.
199#if !defined(BOOST_ASIO_DELETED)
1e59de90
TL		 200# if defined(__clang__)
201# if __has_feature(__cxx_deleted_functions__)
202# define BOOST_ASIO_DELETED = delete
203# endif // __has_feature(__cxx_deleted_functions__)
204# elif defined(__GNUC__)
b32b8144 205# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4)
f67539c2 206# if (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
b32b8144 207# define BOOST_ASIO_DELETED = delete
f67539c2 208# endif // (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
b32b8144
FG		 209# endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4)
210# endif // defined(__GNUC__)
b32b8144
FG		 211# if defined(BOOST_ASIO_MSVC)
212# if (_MSC_VER >= 1900)
213# define BOOST_ASIO_DELETED = delete
214# endif // (_MSC_VER >= 1900)
215# endif // defined(BOOST_ASIO_MSVC)
216# if !defined(BOOST_ASIO_DELETED)
217# define BOOST_ASIO_DELETED
218# endif // !defined(BOOST_ASIO_DELETED)
219#endif // !defined(BOOST_ASIO_DELETED)
220
7c673cae
FG		 221// Support constexpr on compilers known to allow it.
222#if !defined(BOOST_ASIO_HAS_CONSTEXPR)
223# if !defined(BOOST_ASIO_DISABLE_CONSTEXPR)
224# if defined(__clang__)
225# if __has_feature(__cxx_constexpr__)
226# define BOOST_ASIO_HAS_CONSTEXPR 1
20effc67 227# endif // __has_feature(__cxx_constexpr__)
1e59de90 228# elif defined(__GNUC__)
20effc67 229# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 8)) || (__GNUC__ > 4)
f67539c2 230# if (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
7c673cae 231# define BOOST_ASIO_HAS_CONSTEXPR 1
f67539c2 232# endif // (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
20effc67 233# endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 8)) || (__GNUC__ > 4)
7c673cae 234# endif // defined(__GNUC__)
b32b8144
FG		 235# if defined(BOOST_ASIO_MSVC)
236# if (_MSC_VER >= 1900)
237# define BOOST_ASIO_HAS_CONSTEXPR 1
238# endif // (_MSC_VER >= 1900)
239# endif // defined(BOOST_ASIO_MSVC)
7c673cae
FG		 240# endif // !defined(BOOST_ASIO_DISABLE_CONSTEXPR)
241#endif // !defined(BOOST_ASIO_HAS_CONSTEXPR)
242#if !defined(BOOST_ASIO_CONSTEXPR)
243# if defined(BOOST_ASIO_HAS_CONSTEXPR)
244# define BOOST_ASIO_CONSTEXPR constexpr
245# else // defined(BOOST_ASIO_HAS_CONSTEXPR)
246# define BOOST_ASIO_CONSTEXPR
247# endif // defined(BOOST_ASIO_HAS_CONSTEXPR)
248#endif // !defined(BOOST_ASIO_CONSTEXPR)
20effc67
TL		 249#if !defined(BOOST_ASIO_STATIC_CONSTEXPR)
250# if defined(BOOST_ASIO_HAS_CONSTEXPR)
251# define BOOST_ASIO_STATIC_CONSTEXPR(type, assignment) \
252 static constexpr type assignment
253# else // defined(BOOST_ASIO_HAS_CONSTEXPR)
254# define BOOST_ASIO_STATIC_CONSTEXPR(type, assignment) \
255 static const type assignment
256# endif // defined(BOOST_ASIO_HAS_CONSTEXPR)
257#endif // !defined(BOOST_ASIO_STATIC_CONSTEXPR)
258#if !defined(BOOST_ASIO_STATIC_CONSTEXPR_DEFAULT_INIT)
259# if defined(BOOST_ASIO_HAS_CONSTEXPR)
260# if defined(__GNUC__)
261# if (__GNUC__ >= 8)
262# define BOOST_ASIO_STATIC_CONSTEXPR_DEFAULT_INIT(type, name) \
263 static constexpr const type name{}
264# else // (__GNUC__ >= 8)
265# define BOOST_ASIO_STATIC_CONSTEXPR_DEFAULT_INIT(type, name) \
266 static const type name
267# endif // (__GNUC__ >= 8)
268# elif defined(BOOST_ASIO_MSVC)
269# define BOOST_ASIO_STATIC_CONSTEXPR_DEFAULT_INIT(type, name) \
270 static const type name
271# else // defined(BOOST_ASIO_MSVC)
272# define BOOST_ASIO_STATIC_CONSTEXPR_DEFAULT_INIT(type, name) \
273 static constexpr const type name{}
274# endif // defined(BOOST_ASIO_MSVC)
275# else // defined(BOOST_ASIO_HAS_CONSTEXPR)
276# define BOOST_ASIO_STATIC_CONSTEXPR_DEFAULT_INIT(type, name) \
277 static const type name
278# endif // defined(BOOST_ASIO_HAS_CONSTEXPR)
279#endif // !defined(BOOST_ASIO_STATIC_CONSTEXPR_DEFAULT_INIT)
7c673cae 280
b32b8144 281// Support noexcept on compilers known to allow it.
20effc67 282#if !defined(BOOST_ASIO_HAS_NOEXCEPT)
b32b8144 283# if !defined(BOOST_ASIO_DISABLE_NOEXCEPT)
92f5a8d4 284# if defined(BOOST_ASIO_HAS_BOOST_CONFIG) && (BOOST_VERSION >= 105300)
20effc67
TL		 285# if !defined(BOOST_NO_NOEXCEPT)
286# define BOOST_ASIO_HAS_NOEXCEPT 1
287# endif // !defined(BOOST_NO_NOEXCEPT)
b32b8144
FG		 288# define BOOST_ASIO_NOEXCEPT BOOST_NOEXCEPT
289# define BOOST_ASIO_NOEXCEPT_OR_NOTHROW BOOST_NOEXCEPT_OR_NOTHROW
20effc67 290# define BOOST_ASIO_NOEXCEPT_IF(c) BOOST_NOEXCEPT_IF(c)
b32b8144
FG		 291# elif defined(__clang__)
292# if __has_feature(__cxx_noexcept__)
20effc67 293# define BOOST_ASIO_HAS_NOEXCEPT 1
b32b8144
FG		 294# endif // __has_feature(__cxx_noexcept__)
295# elif defined(__GNUC__)
296# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4)
f67539c2 297# if (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
20effc67 298# define BOOST_ASIO_HAS_NOEXCEPT 1
f67539c2 299# endif // (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
b32b8144
FG		 300# endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4)
301# elif defined(BOOST_ASIO_MSVC)
302# if (_MSC_VER >= 1900)
20effc67 303# define BOOST_ASIO_HAS_NOEXCEPT 1
b32b8144
FG		 304# endif // (_MSC_VER >= 1900)
305# endif // defined(BOOST_ASIO_MSVC)
306# endif // !defined(BOOST_ASIO_DISABLE_NOEXCEPT)
307# if !defined(BOOST_ASIO_NOEXCEPT)
b32b8144
FG		 308# endif // !defined(BOOST_ASIO_NOEXCEPT)
309# if !defined(BOOST_ASIO_NOEXCEPT_OR_NOTHROW)
b32b8144 310# endif // !defined(BOOST_ASIO_NOEXCEPT_OR_NOTHROW)
20effc67
TL		 311#endif // !defined(BOOST_ASIO_HAS_NOEXCEPT)
312#if !defined(BOOST_ASIO_NOEXCEPT)
313# if defined(BOOST_ASIO_HAS_NOEXCEPT)
314# define BOOST_ASIO_NOEXCEPT noexcept(true)
315# else // defined(BOOST_ASIO_HAS_NOEXCEPT)
316# define BOOST_ASIO_NOEXCEPT
317# endif // defined(BOOST_ASIO_HAS_NOEXCEPT)
b32b8144 318#endif // !defined(BOOST_ASIO_NOEXCEPT)
20effc67
TL		 319#if !defined(BOOST_ASIO_NOEXCEPT_OR_NOTHROW)
320# if defined(BOOST_ASIO_HAS_NOEXCEPT)
321# define BOOST_ASIO_NOEXCEPT_OR_NOTHROW noexcept(true)
322# else // defined(BOOST_ASIO_HAS_NOEXCEPT)
323# define BOOST_ASIO_NOEXCEPT_OR_NOTHROW throw()
324# endif // defined(BOOST_ASIO_HAS_NOEXCEPT)
325#endif // !defined(BOOST_ASIO_NOEXCEPT_OR_NOTHROW)
326#if !defined(BOOST_ASIO_NOEXCEPT_IF)
327# if defined(BOOST_ASIO_HAS_NOEXCEPT)
328# define BOOST_ASIO_NOEXCEPT_IF(c) noexcept(c)
329# else // defined(BOOST_ASIO_HAS_NOEXCEPT)
330# define BOOST_ASIO_NOEXCEPT_IF(c)
331# endif // defined(BOOST_ASIO_HAS_NOEXCEPT)
332#endif // !defined(BOOST_ASIO_NOEXCEPT_IF)
b32b8144 333
1e59de90
TL		 334// Support noexcept on function types on compilers known to allow it.
335#if !defined(BOOST_ASIO_HAS_NOEXCEPT_FUNCTION_TYPE)
336# if !defined(BOOST_ASIO_DISABLE_NOEXCEPT_FUNCTION_TYPE)
337# if defined(__clang__)
338# if (__cplusplus >= 202002)
339# define BOOST_ASIO_HAS_NOEXCEPT_FUNCTION_TYPE 1
340# endif // (__cplusplus >= 202002)
341# elif defined(__GNUC__)
342# if (__cplusplus >= 202002)
343# define BOOST_ASIO_HAS_NOEXCEPT_FUNCTION_TYPE 1
344# endif // (__cplusplus >= 202002)
345# elif defined(BOOST_ASIO_MSVC)
346# if (_MSC_VER >= 1900 && _MSVC_LANG >= 202002)
347# define BOOST_ASIO_HAS_NOEXCEPT_FUNCTION_TYPE 1
348# endif // (_MSC_VER >= 1900 && _MSVC_LANG >= 202002)
349# endif // defined(BOOST_ASIO_MSVC)
350# endif // !defined(BOOST_ASIO_DISABLE_NOEXCEPT_FUNCTION_TYPE)
351#endif // !defined(BOOST_ASIO_HAS_NOEXCEPT_FUNCTION_TYPE)
352
b32b8144
FG		 353// Support automatic type deduction on compilers known to support it.
354#if !defined(BOOST_ASIO_HAS_DECLTYPE)
355# if !defined(BOOST_ASIO_DISABLE_DECLTYPE)
356# if defined(__clang__)
357# if __has_feature(__cxx_decltype__)
358# define BOOST_ASIO_HAS_DECLTYPE 1
359# endif // __has_feature(__cxx_decltype__)
1e59de90 360# elif defined(__GNUC__)
20effc67 361# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 8)) || (__GNUC__ > 4)
f67539c2 362# if (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
b32b8144 363# define BOOST_ASIO_HAS_DECLTYPE 1
f67539c2 364# endif // (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
20effc67 365# endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 8)) || (__GNUC__ > 4)
b32b8144
FG		 366# endif // defined(__GNUC__)
367# if defined(BOOST_ASIO_MSVC)
92f5a8d4 368# if (_MSC_VER >= 1800)
b32b8144 369# define BOOST_ASIO_HAS_DECLTYPE 1
92f5a8d4 370# endif // (_MSC_VER >= 1800)
b32b8144
FG		 371# endif // defined(BOOST_ASIO_MSVC)
372# endif // !defined(BOOST_ASIO_DISABLE_DECLTYPE)
373#endif // !defined(BOOST_ASIO_HAS_DECLTYPE)
374
375// Support alias templates on compilers known to allow it.
376#if !defined(BOOST_ASIO_HAS_ALIAS_TEMPLATES)
377# if !defined(BOOST_ASIO_DISABLE_ALIAS_TEMPLATES)
378# if defined(__clang__)
379# if __has_feature(__cxx_alias_templates__)
380# define BOOST_ASIO_HAS_ALIAS_TEMPLATES 1
381# endif // __has_feature(__cxx_alias_templates__)
1e59de90 382# elif defined(__GNUC__)
b32b8144 383# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4)
f67539c2 384# if (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
b32b8144 385# define BOOST_ASIO_HAS_ALIAS_TEMPLATES 1
f67539c2 386# endif // (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
b32b8144
FG		 387# endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4)
388# endif // defined(__GNUC__)
389# if defined(BOOST_ASIO_MSVC)
390# if (_MSC_VER >= 1900)
391# define BOOST_ASIO_HAS_ALIAS_TEMPLATES 1
392# endif // (_MSC_VER >= 1900)
393# endif // defined(BOOST_ASIO_MSVC)
394# endif // !defined(BOOST_ASIO_DISABLE_ALIAS_TEMPLATES)
395#endif // !defined(BOOST_ASIO_HAS_ALIAS_TEMPLATES)
396
92f5a8d4
TL		 397// Support return type deduction on compilers known to allow it.
398#if !defined(BOOST_ASIO_HAS_RETURN_TYPE_DEDUCTION)
399# if !defined(BOOST_ASIO_DISABLE_RETURN_TYPE_DEDUCTION)
400# if defined(__clang__)
401# if __has_feature(__cxx_return_type_deduction__)
402# define BOOST_ASIO_HAS_RETURN_TYPE_DEDUCTION 1
20effc67 403# endif // __has_feature(__cxx_return_type_deduction__)
92f5a8d4
TL		 404# elif (__cplusplus >= 201402)
405# define BOOST_ASIO_HAS_RETURN_TYPE_DEDUCTION 1
406# elif defined(__cpp_return_type_deduction)
407# if (__cpp_return_type_deduction >= 201304)
408# define BOOST_ASIO_HAS_RETURN_TYPE_DEDUCTION 1
409# endif // (__cpp_return_type_deduction >= 201304)
410# endif // defined(__cpp_return_type_deduction)
411# endif // !defined(BOOST_ASIO_DISABLE_RETURN_TYPE_DEDUCTION)
412#endif // !defined(BOOST_ASIO_HAS_RETURN_TYPE_DEDUCTION)
413
414// Support default function template arguments on compilers known to allow it.
415#if !defined(BOOST_ASIO_HAS_DEFAULT_FUNCTION_TEMPLATE_ARGUMENTS)
416# if !defined(BOOST_ASIO_DISABLE_DEFAULT_FUNCTION_TEMPLATE_ARGUMENTS)
417# if (__cplusplus >= 201103)
418# define BOOST_ASIO_HAS_DEFAULT_FUNCTION_TEMPLATE_ARGUMENTS 1
1e59de90
TL		 419# elif defined(BOOST_ASIO_MSVC)
420# if (_MSC_VER >= 1900 && _MSVC_LANG >= 201103)
421# define BOOST_ASIO_HAS_DEFAULT_FUNCTION_TEMPLATE_ARGUMENTS 1
422# endif // (_MSC_VER >= 1900 && _MSVC_LANG >= 201103)
423# endif // defined(BOOST_ASIO_MSVC)
92f5a8d4
TL		 424# endif // !defined(BOOST_ASIO_DISABLE_DEFAULT_FUNCTION_TEMPLATE_ARGUMENTS)
425#endif // !defined(BOOST_ASIO_HAS_DEFAULT_FUNCTION_TEMPLATE_ARGUMENTS)
426
1e59de90
TL		 427// Support enum classes on compilers known to allow them.
428#if !defined(BOOST_ASIO_HAS_ENUM_CLASS)
429# if !defined(BOOST_ASIO_DISABLE_ENUM_CLASS)
430# if (__cplusplus >= 201103)
431# define BOOST_ASIO_HAS_ENUM_CLASS 1
432# elif defined(BOOST_ASIO_MSVC)
433# if (_MSC_VER >= 1900 && _MSVC_LANG >= 201103)
434# define BOOST_ASIO_HAS_ENUM_CLASS 1
435# endif // (_MSC_VER >= 1900 && _MSVC_LANG >= 201103)
436# endif // defined(BOOST_ASIO_MSVC)
437# endif // !defined(BOOST_ASIO_DISABLE_ENUM_CLASS)
438#endif // !defined(BOOST_ASIO_HAS_ENUM_CLASS)
439
92f5a8d4
TL		 440// Support concepts on compilers known to allow them.
441#if !defined(BOOST_ASIO_HAS_CONCEPTS)
442# if !defined(BOOST_ASIO_DISABLE_CONCEPTS)
f67539c2 443# if defined(__cpp_concepts)
92f5a8d4 444# define BOOST_ASIO_HAS_CONCEPTS 1
f67539c2
TL		 445# if (__cpp_concepts >= 201707)
446# define BOOST_ASIO_CONCEPT concept
447# else // (__cpp_concepts >= 201707)
448# define BOOST_ASIO_CONCEPT concept bool
449# endif // (__cpp_concepts >= 201707)
450# endif // defined(__cpp_concepts)
92f5a8d4
TL		 451# endif // !defined(BOOST_ASIO_DISABLE_CONCEPTS)
452#endif // !defined(BOOST_ASIO_HAS_CONCEPTS)
453
20effc67
TL		 454// Support template variables on compilers known to allow it.
455#if !defined(BOOST_ASIO_HAS_VARIABLE_TEMPLATES)
456# if !defined(BOOST_ASIO_DISABLE_VARIABLE_TEMPLATES)
457# if defined(__clang__)
458# if (__cplusplus >= 201402)
459# if __has_feature(__cxx_variable_templates__)
460# define BOOST_ASIO_HAS_VARIABLE_TEMPLATES 1
461# endif // __has_feature(__cxx_variable_templates__)
462# endif // (__cplusplus >= 201402)
1e59de90 463# elif defined(__GNUC__) && !defined(__INTEL_COMPILER)
20effc67
TL		 464# if (__GNUC__ >= 6)
465# if (__cplusplus >= 201402)
466# define BOOST_ASIO_HAS_VARIABLE_TEMPLATES 1
467# endif // (__cplusplus >= 201402)
468# endif // (__GNUC__ >= 6)
469# endif // defined(__GNUC__) && !defined(__INTEL_COMPILER)
470# if defined(BOOST_ASIO_MSVC)
471# if (_MSC_VER >= 1901)
472# define BOOST_ASIO_HAS_VARIABLE_TEMPLATES 1
473# endif // (_MSC_VER >= 1901)
474# endif // defined(BOOST_ASIO_MSVC)
475# endif // !defined(BOOST_ASIO_DISABLE_VARIABLE_TEMPLATES)
476#endif // !defined(BOOST_ASIO_HAS_VARIABLE_TEMPLATES)
477
478// Support SFINAEd template variables on compilers known to allow it.
479#if !defined(BOOST_ASIO_HAS_SFINAE_VARIABLE_TEMPLATES)
480# if !defined(BOOST_ASIO_DISABLE_SFINAE_VARIABLE_TEMPLATES)
481# if defined(__clang__)
482# if (__cplusplus >= 201703)
483# if __has_feature(__cxx_variable_templates__)
484# define BOOST_ASIO_HAS_SFINAE_VARIABLE_TEMPLATES 1
485# endif // __has_feature(__cxx_variable_templates__)
486# endif // (__cplusplus >= 201703)
1e59de90 487# elif defined(__GNUC__)
20effc67
TL		 488# if ((__GNUC__ == 8) && (__GNUC_MINOR__ >= 4)) || (__GNUC__ > 8)
489# if (__cplusplus >= 201402)
490# define BOOST_ASIO_HAS_SFINAE_VARIABLE_TEMPLATES 1
491# endif // (__cplusplus >= 201402)
492# endif // ((__GNUC__ == 8) && (__GNUC_MINOR__ >= 4)) || (__GNUC__ > 8)
493# endif // defined(__GNUC__)
494# if defined(BOOST_ASIO_MSVC)
495# if (_MSC_VER >= 1901)
496# define BOOST_ASIO_HAS_SFINAE_VARIABLE_TEMPLATES 1
497# endif // (_MSC_VER >= 1901)
498# endif // defined(BOOST_ASIO_MSVC)
499# endif // !defined(BOOST_ASIO_DISABLE_SFINAE_VARIABLE_TEMPLATES)
500#endif // !defined(BOOST_ASIO_HAS_SFINAE_VARIABLE_TEMPLATES)
501
502// Support SFINAE use of constant expressions on compilers known to allow it.
503#if !defined(BOOST_ASIO_HAS_CONSTANT_EXPRESSION_SFINAE)
504# if !defined(BOOST_ASIO_DISABLE_CONSTANT_EXPRESSION_SFINAE)
505# if defined(__clang__)
506# if (__cplusplus >= 201402)
507# define BOOST_ASIO_HAS_CONSTANT_EXPRESSION_SFINAE 1
508# endif // (__cplusplus >= 201402)
1e59de90 509# elif defined(__GNUC__) && !defined(__INTEL_COMPILER)
20effc67
TL		 510# if (__GNUC__ >= 7)
511# if (__cplusplus >= 201402)
512# define BOOST_ASIO_HAS_CONSTANT_EXPRESSION_SFINAE 1
513# endif // (__cplusplus >= 201402)
514# endif // (__GNUC__ >= 7)
515# endif // defined(__GNUC__) && !defined(__INTEL_COMPILER)
516# if defined(BOOST_ASIO_MSVC)
517# if (_MSC_VER >= 1901)
518# define BOOST_ASIO_HAS_CONSTANT_EXPRESSION_SFINAE 1
519# endif // (_MSC_VER >= 1901)
520# endif // defined(BOOST_ASIO_MSVC)
521# endif // !defined(BOOST_ASIO_DISABLE_CONSTANT_EXPRESSION_SFINAE)
522#endif // !defined(BOOST_ASIO_HAS_CONSTANT_EXPRESSION_SFINAE)
523
524// Enable workarounds for lack of working expression SFINAE.
525#if !defined(BOOST_ASIO_HAS_WORKING_EXPRESSION_SFINAE)
526# if !defined(BOOST_ASIO_DISABLE_WORKING_EXPRESSION_SFINAE)
527# if !defined(BOOST_ASIO_MSVC) && !defined(__INTEL_COMPILER)
528# if (__cplusplus >= 201103)
529# define BOOST_ASIO_HAS_WORKING_EXPRESSION_SFINAE 1
530# endif // (__cplusplus >= 201103)
1e59de90
TL		 531# elif defined(BOOST_ASIO_MSVC) && (_MSC_VER >= 1929)
532# if (_MSVC_LANG >= 202000)
533# define BOOST_ASIO_HAS_WORKING_EXPRESSION_SFINAE 1
534# endif // (_MSVC_LANG >= 202000)
535# endif // defined(BOOST_ASIO_MSVC) && (_MSC_VER >= 1929)
20effc67
TL		 536# endif // !defined(BOOST_ASIO_DISABLE_WORKING_EXPRESSION_SFINAE)
537#endif // !defined(BOOST_ASIO_HAS_WORKING_EXPRESSION_SFINAE)
538
539// Support ref-qualified functions on compilers known to allow it.
540#if !defined(BOOST_ASIO_HAS_REF_QUALIFIED_FUNCTIONS)
541# if !defined(BOOST_ASIO_DISABLE_REF_QUALIFIED_FUNCTIONS)
542# if defined(__clang__)
543# if __has_feature(__cxx_reference_qualified_functions__)
544# define BOOST_ASIO_HAS_REF_QUALIFIED_FUNCTIONS 1
545# endif // __has_feature(__cxx_reference_qualified_functions__)
1e59de90 546# elif defined(__GNUC__)
20effc67
TL		 547# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 9)) || (__GNUC__ > 4)
548# if (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
549# define BOOST_ASIO_HAS_REF_QUALIFIED_FUNCTIONS 1
550# endif // (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
551# endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 9)) || (__GNUC__ > 4)
552# endif // defined(__GNUC__)
553# if defined(BOOST_ASIO_MSVC)
554# if (_MSC_VER >= 1900)
555# define BOOST_ASIO_HAS_REF_QUALIFIED_FUNCTIONS 1
556# endif // (_MSC_VER >= 1900)
557# endif // defined(BOOST_ASIO_MSVC)
558# endif // !defined(BOOST_ASIO_DISABLE_REF_QUALIFIED_FUNCTIONS)
559#endif // !defined(BOOST_ASIO_HAS_REF_QUALIFIED_FUNCTIONS)
560#if defined(BOOST_ASIO_HAS_REF_QUALIFIED_FUNCTIONS)
561# if !defined(BOOST_ASIO_LVALUE_REF_QUAL)
562# define BOOST_ASIO_LVALUE_REF_QUAL &
563# endif // !defined(BOOST_ASIO_LVALUE_REF_QUAL)
564# if !defined(BOOST_ASIO_RVALUE_REF_QUAL)
565# define BOOST_ASIO_RVALUE_REF_QUAL &&
566# endif // !defined(BOOST_ASIO_RVALUE_REF_QUAL)
567#else // defined(BOOST_ASIO_HAS_REF_QUALIFIED_FUNCTIONS)
568# if !defined(BOOST_ASIO_LVALUE_REF_QUAL)
569# define BOOST_ASIO_LVALUE_REF_QUAL
570# endif // !defined(BOOST_ASIO_LVALUE_REF_QUAL)
571# if !defined(BOOST_ASIO_RVALUE_REF_QUAL)
572# define BOOST_ASIO_RVALUE_REF_QUAL
573# endif // !defined(BOOST_ASIO_RVALUE_REF_QUAL)
574#endif // defined(BOOST_ASIO_HAS_REF_QUALIFIED_FUNCTIONS)
575
1e59de90
TL		 576// Support for the alignof operator.
577#if !defined(BOOST_ASIO_HAS_ALIGNOF)
578# if !defined(BOOST_ASIO_DISABLE_ALIGNOF)
579# if (__cplusplus >= 201103)
580# define BOOST_ASIO_HAS_ALIGNOF 1
581# endif // (__cplusplus >= 201103)
582# endif // !defined(BOOST_ASIO_DISABLE_ALIGNOF)
583#endif // !defined(BOOST_ASIO_HAS_ALIGNOF)
584
585#if defined(BOOST_ASIO_HAS_ALIGNOF)
586# define BOOST_ASIO_ALIGNOF(T) alignof(T)
587# if defined(__STDCPP_DEFAULT_NEW_ALIGNMENT__)
588# define BOOST_ASIO_DEFAULT_ALIGN __STDCPP_DEFAULT_NEW_ALIGNMENT__
589# elif defined(__GNUC__)
590# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 9)) || (__GNUC__ > 4)
591# define BOOST_ASIO_DEFAULT_ALIGN alignof(std::max_align_t)
592# else // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 9)) || (__GNUC__ > 4)
593# define BOOST_ASIO_DEFAULT_ALIGN alignof(max_align_t)
594# endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 9)) || (__GNUC__ > 4)
595# else // defined(__GNUC__)
596# define BOOST_ASIO_DEFAULT_ALIGN alignof(std::max_align_t)
597# endif // defined(__GNUC__)
598#else // defined(BOOST_ASIO_HAS_ALIGNOF)
599# define BOOST_ASIO_ALIGNOF(T) 1
600# define BOOST_ASIO_DEFAULT_ALIGN 1
601#endif // defined(BOOST_ASIO_HAS_ALIGNOF)
602
603// Standard library support for aligned allocation.
604#if !defined(BOOST_ASIO_HAS_STD_ALIGNED_ALLOC)
605# if !defined(BOOST_ASIO_DISABLE_STD_ALIGNED_ALLOC)
606# if (__cplusplus >= 201703)
607# if defined(__clang__)
608# if defined(BOOST_ASIO_HAS_CLANG_LIBCXX)
609# if (_LIBCPP_STD_VER > 14) && defined(_LIBCPP_HAS_ALIGNED_ALLOC) \
610 && !defined(_LIBCPP_MSVCRT) && !defined(__MINGW32__)
611# define BOOST_ASIO_HAS_STD_ALIGNED_ALLOC 1
612# endif // (_LIBCPP_STD_VER > 14) && defined(_LIBCPP_HAS_ALIGNED_ALLOC)
613 // && !defined(_LIBCPP_MSVCRT) && !defined(__MINGW32__)
614# elif defined(_GLIBCXX_HAVE_ALIGNED_ALLOC)
615# define BOOST_ASIO_HAS_STD_ALIGNED_ALLOC 1
616# endif // defined(_GLIBCXX_HAVE_ALIGNED_ALLOC)
617# elif defined(__GNUC__)
618# if defined(_GLIBCXX_HAVE_ALIGNED_ALLOC)
619# define BOOST_ASIO_HAS_STD_ALIGNED_ALLOC 1
620# endif // defined(_GLIBCXX_HAVE_ALIGNED_ALLOC)
621# endif // defined(__GNUC__)
622# endif // (__cplusplus >= 201703)
623# endif // !defined(BOOST_ASIO_DISABLE_STD_ALIGNED_ALLOC)
624#endif // !defined(BOOST_ASIO_HAS_STD_ALIGNED_ALLOC)
625
7c673cae
FG		 626// Standard library support for system errors.
627# if !defined(BOOST_ASIO_DISABLE_STD_SYSTEM_ERROR)
628# if defined(__clang__)
629# if defined(BOOST_ASIO_HAS_CLANG_LIBCXX)
630# define BOOST_ASIO_HAS_STD_SYSTEM_ERROR 1
631# elif (__cplusplus >= 201103)
632# if __has_include(<system_error>)
633# define BOOST_ASIO_HAS_STD_SYSTEM_ERROR 1
634# endif // __has_include(<system_error>)
635# endif // (__cplusplus >= 201103)
1e59de90 636# elif defined(__GNUC__)
7c673cae 637# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 6)) || (__GNUC__ > 4)
f67539c2 638# if (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
7c673cae 639# define BOOST_ASIO_HAS_STD_SYSTEM_ERROR 1
f67539c2 640# endif // (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
7c673cae
FG		 641# endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 6)) || (__GNUC__ > 4)
642# endif // defined(__GNUC__)
643# if defined(BOOST_ASIO_MSVC)
644# if (_MSC_VER >= 1700)
645# define BOOST_ASIO_HAS_STD_SYSTEM_ERROR 1
646# endif // (_MSC_VER >= 1700)
647# endif // defined(BOOST_ASIO_MSVC)
648# endif // !defined(BOOST_ASIO_DISABLE_STD_SYSTEM_ERROR)
649
650// Compliant C++11 compilers put noexcept specifiers on error_category members.
651#if !defined(BOOST_ASIO_ERROR_CATEGORY_NOEXCEPT)
92f5a8d4 652# if defined(BOOST_ASIO_HAS_BOOST_CONFIG) && (BOOST_VERSION >= 105300)
7c673cae
FG		 653# define BOOST_ASIO_ERROR_CATEGORY_NOEXCEPT BOOST_NOEXCEPT
654# elif defined(__clang__)
655# if __has_feature(__cxx_noexcept__)
656# define BOOST_ASIO_ERROR_CATEGORY_NOEXCEPT noexcept(true)
657# endif // __has_feature(__cxx_noexcept__)
658# elif defined(__GNUC__)
659# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4)
f67539c2 660# if (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
7c673cae 661# define BOOST_ASIO_ERROR_CATEGORY_NOEXCEPT noexcept(true)
f67539c2 662# endif // (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
7c673cae
FG		 663# endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4)
664# elif defined(BOOST_ASIO_MSVC)
665# if (_MSC_VER >= 1900)
666# define BOOST_ASIO_ERROR_CATEGORY_NOEXCEPT noexcept(true)
667# endif // (_MSC_VER >= 1900)
668# endif // defined(BOOST_ASIO_MSVC)
669# if !defined(BOOST_ASIO_ERROR_CATEGORY_NOEXCEPT)
670# define BOOST_ASIO_ERROR_CATEGORY_NOEXCEPT
671# endif // !defined(BOOST_ASIO_ERROR_CATEGORY_NOEXCEPT)
672#endif // !defined(BOOST_ASIO_ERROR_CATEGORY_NOEXCEPT)
673
674// Standard library support for arrays.
675#if !defined(BOOST_ASIO_HAS_STD_ARRAY)
676# if !defined(BOOST_ASIO_DISABLE_STD_ARRAY)
677# if defined(__clang__)
678# if defined(BOOST_ASIO_HAS_CLANG_LIBCXX)
679# define BOOST_ASIO_HAS_STD_ARRAY 1
680# elif (__cplusplus >= 201103)
681# if __has_include(<array>)
682# define BOOST_ASIO_HAS_STD_ARRAY 1
683# endif // __has_include(<array>)
684# endif // (__cplusplus >= 201103)
1e59de90 685# elif defined(__GNUC__)
7c673cae 686# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 4)
f67539c2 687# if (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
7c673cae 688# define BOOST_ASIO_HAS_STD_ARRAY 1
f67539c2 689# endif // (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
7c673cae
FG		 690# endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 4)
691# endif // defined(__GNUC__)
692# if defined(BOOST_ASIO_MSVC)
693# if (_MSC_VER >= 1600)
694# define BOOST_ASIO_HAS_STD_ARRAY 1
695# endif // (_MSC_VER >= 1600)
696# endif // defined(BOOST_ASIO_MSVC)
697# endif // !defined(BOOST_ASIO_DISABLE_STD_ARRAY)
698#endif // !defined(BOOST_ASIO_HAS_STD_ARRAY)
699
700// Standard library support for shared_ptr and weak_ptr.
701#if !defined(BOOST_ASIO_HAS_STD_SHARED_PTR)
702# if !defined(BOOST_ASIO_DISABLE_STD_SHARED_PTR)
703# if defined(__clang__)
704# if defined(BOOST_ASIO_HAS_CLANG_LIBCXX)
705# define BOOST_ASIO_HAS_STD_SHARED_PTR 1
706# elif (__cplusplus >= 201103)
707# define BOOST_ASIO_HAS_STD_SHARED_PTR 1
708# endif // (__cplusplus >= 201103)
1e59de90 709# elif defined(__GNUC__)
7c673cae 710# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 4)
f67539c2 711# if (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
7c673cae 712# define BOOST_ASIO_HAS_STD_SHARED_PTR 1
f67539c2 713# endif // (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
7c673cae
FG		 714# endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 4)
715# endif // defined(__GNUC__)
716# if defined(BOOST_ASIO_MSVC)
717# if (_MSC_VER >= 1600)
718# define BOOST_ASIO_HAS_STD_SHARED_PTR 1
719# endif // (_MSC_VER >= 1600)
720# endif // defined(BOOST_ASIO_MSVC)
721# endif // !defined(BOOST_ASIO_DISABLE_STD_SHARED_PTR)
722#endif // !defined(BOOST_ASIO_HAS_STD_SHARED_PTR)
723
b32b8144
FG		 724// Standard library support for allocator_arg_t.
725#if !defined(BOOST_ASIO_HAS_STD_ALLOCATOR_ARG)
726# if !defined(BOOST_ASIO_DISABLE_STD_ALLOCATOR_ARG)
727# if defined(__clang__)
728# if defined(BOOST_ASIO_HAS_CLANG_LIBCXX)
729# define BOOST_ASIO_HAS_STD_ALLOCATOR_ARG 1
730# elif (__cplusplus >= 201103)
731# define BOOST_ASIO_HAS_STD_ALLOCATOR_ARG 1
732# endif // (__cplusplus >= 201103)
1e59de90 733# elif defined(__GNUC__)
b32b8144 734# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 6)) || (__GNUC__ > 4)
f67539c2 735# if (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
b32b8144 736# define BOOST_ASIO_HAS_STD_ALLOCATOR_ARG 1
f67539c2 737# endif // (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
b32b8144
FG		 738# endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 6)) || (__GNUC__ > 4)
739# endif // defined(__GNUC__)
740# if defined(BOOST_ASIO_MSVC)
741# if (_MSC_VER >= 1600)
742# define BOOST_ASIO_HAS_STD_ALLOCATOR_ARG 1
743# endif // (_MSC_VER >= 1600)
744# endif // defined(BOOST_ASIO_MSVC)
745# endif // !defined(BOOST_ASIO_DISABLE_STD_ALLOCATOR_ARG)
746#endif // !defined(BOOST_ASIO_HAS_STD_ALLOCATOR_ARG)
747
7c673cae
FG		 748// Standard library support for atomic operations.
749#if !defined(BOOST_ASIO_HAS_STD_ATOMIC)
750# if !defined(BOOST_ASIO_DISABLE_STD_ATOMIC)
751# if defined(__clang__)
752# if defined(BOOST_ASIO_HAS_CLANG_LIBCXX)
753# define BOOST_ASIO_HAS_STD_ATOMIC 1
754# elif (__cplusplus >= 201103)
755# if __has_include(<atomic>)
756# define BOOST_ASIO_HAS_STD_ATOMIC 1
757# endif // __has_include(<atomic>)
92f5a8d4
TL		 758# elif defined(__apple_build_version__) && defined(_LIBCPP_VERSION)
759# if (__clang_major__ >= 10)
760# if __has_include(<atomic>)
761# define BOOST_ASIO_HAS_STD_ATOMIC 1
762# endif // __has_include(<atomic>)
763# endif // (__clang_major__ >= 10)
20effc67 764# endif // defined(__apple_build_version__) && defined(_LIBCPP_VERSION)
1e59de90 765# elif defined(__GNUC__)
b32b8144 766# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4)
f67539c2 767# if (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
7c673cae 768# define BOOST_ASIO_HAS_STD_ATOMIC 1
f67539c2 769# endif // (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
b32b8144 770# endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4)
7c673cae
FG		 771# endif // defined(__GNUC__)
772# if defined(BOOST_ASIO_MSVC)
773# if (_MSC_VER >= 1700)
774# define BOOST_ASIO_HAS_STD_ATOMIC 1
775# endif // (_MSC_VER >= 1700)
776# endif // defined(BOOST_ASIO_MSVC)
777# endif // !defined(BOOST_ASIO_DISABLE_STD_ATOMIC)
778#endif // !defined(BOOST_ASIO_HAS_STD_ATOMIC)
779
780// Standard library support for chrono. Some standard libraries (such as the
781// libstdc++ shipped with gcc 4.6) provide monotonic_clock as per early C++0x
782// drafts, rather than the eventually standardised name of steady_clock.
783#if !defined(BOOST_ASIO_HAS_STD_CHRONO)
784# if !defined(BOOST_ASIO_DISABLE_STD_CHRONO)
785# if defined(__clang__)
786# if defined(BOOST_ASIO_HAS_CLANG_LIBCXX)
787# define BOOST_ASIO_HAS_STD_CHRONO 1
788# elif (__cplusplus >= 201103)
789# if __has_include(<chrono>)
790# define BOOST_ASIO_HAS_STD_CHRONO 1
791# endif // __has_include(<chrono>)
792# endif // (__cplusplus >= 201103)
1e59de90 793# elif defined(__GNUC__)
7c673cae 794# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 6)) || (__GNUC__ > 4)
f67539c2 795# if (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
7c673cae
FG		 796# define BOOST_ASIO_HAS_STD_CHRONO 1
797# if ((__GNUC__ == 4) && (__GNUC_MINOR__ == 6))
798# define BOOST_ASIO_HAS_STD_CHRONO_MONOTONIC_CLOCK 1
799# endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ == 6))
f67539c2 800# endif // (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
7c673cae
FG		 801# endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 6)) || (__GNUC__ > 4)
802# endif // defined(__GNUC__)
803# if defined(BOOST_ASIO_MSVC)
804# if (_MSC_VER >= 1700)
805# define BOOST_ASIO_HAS_STD_CHRONO 1
806# endif // (_MSC_VER >= 1700)
807# endif // defined(BOOST_ASIO_MSVC)
808# endif // !defined(BOOST_ASIO_DISABLE_STD_CHRONO)
809#endif // !defined(BOOST_ASIO_HAS_STD_CHRONO)
810
811// Boost support for chrono.
812#if !defined(BOOST_ASIO_HAS_BOOST_CHRONO)
813# if !defined(BOOST_ASIO_DISABLE_BOOST_CHRONO)
92f5a8d4 814# if defined(BOOST_ASIO_HAS_BOOST_CONFIG) && (BOOST_VERSION >= 104700)
7c673cae 815# define BOOST_ASIO_HAS_BOOST_CHRONO 1
92f5a8d4 816# endif // defined(BOOST_ASIO_HAS_BOOST_CONFIG) && (BOOST_VERSION >= 104700)
7c673cae
FG		 817# endif // !defined(BOOST_ASIO_DISABLE_BOOST_CHRONO)
818#endif // !defined(BOOST_ASIO_HAS_BOOST_CHRONO)
819
b32b8144
FG		 820// Some form of chrono library is available.
821#if !defined(BOOST_ASIO_HAS_CHRONO)
822# if defined(BOOST_ASIO_HAS_STD_CHRONO) \
823 || defined(BOOST_ASIO_HAS_BOOST_CHRONO)
824# define BOOST_ASIO_HAS_CHRONO 1
825# endif // defined(BOOST_ASIO_HAS_STD_CHRONO)
826 // || defined(BOOST_ASIO_HAS_BOOST_CHRONO)
827#endif // !defined(BOOST_ASIO_HAS_CHRONO)
828
7c673cae
FG		 829// Boost support for the DateTime library.
830#if !defined(BOOST_ASIO_HAS_BOOST_DATE_TIME)
831# if !defined(BOOST_ASIO_DISABLE_BOOST_DATE_TIME)
832# define BOOST_ASIO_HAS_BOOST_DATE_TIME 1
833# endif // !defined(BOOST_ASIO_DISABLE_BOOST_DATE_TIME)
834#endif // !defined(BOOST_ASIO_HAS_BOOST_DATE_TIME)
835
836// Standard library support for addressof.
837#if !defined(BOOST_ASIO_HAS_STD_ADDRESSOF)
838# if !defined(BOOST_ASIO_DISABLE_STD_ADDRESSOF)
839# if defined(__clang__)
840# if defined(BOOST_ASIO_HAS_CLANG_LIBCXX)
841# define BOOST_ASIO_HAS_STD_ADDRESSOF 1
842# elif (__cplusplus >= 201103)
843# define BOOST_ASIO_HAS_STD_ADDRESSOF 1
844# endif // (__cplusplus >= 201103)
1e59de90 845# elif defined(__GNUC__)
7c673cae 846# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 6)) || (__GNUC__ > 4)
f67539c2 847# if (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
7c673cae 848# define BOOST_ASIO_HAS_STD_ADDRESSOF 1
f67539c2 849# endif // (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
7c673cae
FG		 850# endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 6)) || (__GNUC__ > 4)
851# endif // defined(__GNUC__)
852# if defined(BOOST_ASIO_MSVC)
853# if (_MSC_VER >= 1700)
854# define BOOST_ASIO_HAS_STD_ADDRESSOF 1
855# endif // (_MSC_VER >= 1700)
856# endif // defined(BOOST_ASIO_MSVC)
857# endif // !defined(BOOST_ASIO_DISABLE_STD_ADDRESSOF)
858#endif // !defined(BOOST_ASIO_HAS_STD_ADDRESSOF)
859
860// Standard library support for the function class.
861#if !defined(BOOST_ASIO_HAS_STD_FUNCTION)
862# if !defined(BOOST_ASIO_DISABLE_STD_FUNCTION)
863# if defined(__clang__)
864# if defined(BOOST_ASIO_HAS_CLANG_LIBCXX)
865# define BOOST_ASIO_HAS_STD_FUNCTION 1
866# elif (__cplusplus >= 201103)
867# define BOOST_ASIO_HAS_STD_FUNCTION 1
868# endif // (__cplusplus >= 201103)
1e59de90 869# elif defined(__GNUC__)
7c673cae 870# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 5)) || (__GNUC__ > 4)
f67539c2 871# if (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
7c673cae 872# define BOOST_ASIO_HAS_STD_FUNCTION 1
f67539c2 873# endif // (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
7c673cae
FG		 874# endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 5)) || (__GNUC__ > 4)
875# endif // defined(__GNUC__)
876# if defined(BOOST_ASIO_MSVC)
877# if (_MSC_VER >= 1700)
878# define BOOST_ASIO_HAS_STD_FUNCTION 1
879# endif // (_MSC_VER >= 1700)
880# endif // defined(BOOST_ASIO_MSVC)
881# endif // !defined(BOOST_ASIO_DISABLE_STD_FUNCTION)
882#endif // !defined(BOOST_ASIO_HAS_STD_FUNCTION)
883
1e59de90
TL		 884// Standard library support for the reference_wrapper class.
885#if !defined(BOOST_ASIO_HAS_STD_REFERENCE_WRAPPER)
886# if !defined(BOOST_ASIO_DISABLE_STD_REFERENCE_WRAPPER)
887# if defined(__clang__)
888# if defined(BOOST_ASIO_HAS_CLANG_LIBCXX)
889# define BOOST_ASIO_HAS_STD_REFERENCE_WRAPPER 1
890# elif (__cplusplus >= 201103)
891# define BOOST_ASIO_HAS_STD_REFERENCE_WRAPPER 1
892# endif // (__cplusplus >= 201103)
893# elif defined(__GNUC__)
894# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 5)) || (__GNUC__ > 4)
895# if (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
896# define BOOST_ASIO_HAS_STD_REFERENCE_WRAPPER 1
897# endif // (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
898# endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 5)) || (__GNUC__ > 4)
899# endif // defined(__GNUC__)
900# if defined(BOOST_ASIO_MSVC)
901# if (_MSC_VER >= 1700)
902# define BOOST_ASIO_HAS_STD_REFERENCE_WRAPPER 1
903# endif // (_MSC_VER >= 1700)
904# endif // defined(BOOST_ASIO_MSVC)
905# endif // !defined(BOOST_ASIO_DISABLE_STD_REFERENCE_WRAPPER)
906#endif // !defined(BOOST_ASIO_HAS_STD_REFERENCE_WRAPPER)
907
7c673cae
FG		 908// Standard library support for type traits.
909#if !defined(BOOST_ASIO_HAS_STD_TYPE_TRAITS)
910# if !defined(BOOST_ASIO_DISABLE_STD_TYPE_TRAITS)
911# if defined(__clang__)
912# if defined(BOOST_ASIO_HAS_CLANG_LIBCXX)
913# define BOOST_ASIO_HAS_STD_TYPE_TRAITS 1
914# elif (__cplusplus >= 201103)
915# if __has_include(<type_traits>)
916# define BOOST_ASIO_HAS_STD_TYPE_TRAITS 1
917# endif // __has_include(<type_traits>)
918# endif // (__cplusplus >= 201103)
1e59de90 919# elif defined(__GNUC__)
20effc67 920# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 8)) || (__GNUC__ > 4)
f67539c2 921# if (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
7c673cae 922# define BOOST_ASIO_HAS_STD_TYPE_TRAITS 1
f67539c2 923# endif // (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
20effc67 924# endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 8)) || (__GNUC__ > 4)
7c673cae
FG		 925# endif // defined(__GNUC__)
926# if defined(BOOST_ASIO_MSVC)
927# if (_MSC_VER >= 1700)
928# define BOOST_ASIO_HAS_STD_TYPE_TRAITS 1
929# endif // (_MSC_VER >= 1700)
930# endif // defined(BOOST_ASIO_MSVC)
931# endif // !defined(BOOST_ASIO_DISABLE_STD_TYPE_TRAITS)
932#endif // !defined(BOOST_ASIO_HAS_STD_TYPE_TRAITS)
933
b32b8144
FG		 934// Standard library support for the nullptr_t type.
935#if !defined(BOOST_ASIO_HAS_NULLPTR)
936# if !defined(BOOST_ASIO_DISABLE_NULLPTR)
937# if defined(__clang__)
938# if __has_feature(__cxx_nullptr__)
939# define BOOST_ASIO_HAS_NULLPTR 1
20effc67 940# endif // __has_feature(__cxx_nullptr__)
b32b8144
FG		 941# elif defined(__GNUC__)
942# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 6)) || (__GNUC__ > 4)
f67539c2 943# if (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
b32b8144 944# define BOOST_ASIO_HAS_NULLPTR 1
f67539c2 945# endif // (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
b32b8144
FG		 946# endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 6)) || (__GNUC__ > 4)
947# endif // defined(__GNUC__)
948# if defined(BOOST_ASIO_MSVC)
949# if (_MSC_VER >= 1700)
950# define BOOST_ASIO_HAS_NULLPTR 1
951# endif // (_MSC_VER >= 1700)
952# endif // defined(BOOST_ASIO_MSVC)
953# endif // !defined(BOOST_ASIO_DISABLE_NULLPTR)
954#endif // !defined(BOOST_ASIO_HAS_NULLPTR)
955
956// Standard library support for the C++11 allocator additions.
957#if !defined(BOOST_ASIO_HAS_CXX11_ALLOCATORS)
958# if !defined(BOOST_ASIO_DISABLE_CXX11_ALLOCATORS)
959# if defined(__clang__)
960# if defined(BOOST_ASIO_HAS_CLANG_LIBCXX)
961# define BOOST_ASIO_HAS_CXX11_ALLOCATORS 1
962# elif (__cplusplus >= 201103)
963# define BOOST_ASIO_HAS_CXX11_ALLOCATORS 1
964# endif // (__cplusplus >= 201103)
965# elif defined(__GNUC__)
966# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4)
f67539c2 967# if (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
b32b8144 968# define BOOST_ASIO_HAS_CXX11_ALLOCATORS 1
f67539c2 969# endif // (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
b32b8144
FG		 970# endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4)
971# endif // defined(__GNUC__)
972# if defined(BOOST_ASIO_MSVC)
973# if (_MSC_VER >= 1800)
974# define BOOST_ASIO_HAS_CXX11_ALLOCATORS 1
975# endif // (_MSC_VER >= 1800)
976# endif // defined(BOOST_ASIO_MSVC)
977# endif // !defined(BOOST_ASIO_DISABLE_CXX11_ALLOCATORS)
978#endif // !defined(BOOST_ASIO_HAS_CXX11_ALLOCATORS)
979
7c673cae
FG		 980// Standard library support for the cstdint header.
981#if !defined(BOOST_ASIO_HAS_CSTDINT)
982# if !defined(BOOST_ASIO_DISABLE_CSTDINT)
983# if defined(__clang__)
984# if defined(BOOST_ASIO_HAS_CLANG_LIBCXX)
985# define BOOST_ASIO_HAS_CSTDINT 1
986# elif (__cplusplus >= 201103)
987# define BOOST_ASIO_HAS_CSTDINT 1
988# endif // (__cplusplus >= 201103)
1e59de90 989# elif defined(__GNUC__)
7c673cae 990# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 5)) || (__GNUC__ > 4)
f67539c2 991# if (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
7c673cae 992# define BOOST_ASIO_HAS_CSTDINT 1
f67539c2 993# endif // (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
7c673cae
FG		 994# endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 5)) || (__GNUC__ > 4)
995# endif // defined(__GNUC__)
996# if defined(BOOST_ASIO_MSVC)
997# if (_MSC_VER >= 1700)
998# define BOOST_ASIO_HAS_CSTDINT 1
999# endif // (_MSC_VER >= 1700)
1000# endif // defined(BOOST_ASIO_MSVC)
1001# endif // !defined(BOOST_ASIO_DISABLE_CSTDINT)
1002#endif // !defined(BOOST_ASIO_HAS_CSTDINT)
1003
1004// Standard library support for the thread class.
1005#if !defined(BOOST_ASIO_HAS_STD_THREAD)
1006# if !defined(BOOST_ASIO_DISABLE_STD_THREAD)
1007# if defined(__clang__)
1008# if defined(BOOST_ASIO_HAS_CLANG_LIBCXX)
1009# define BOOST_ASIO_HAS_STD_THREAD 1
1010# elif (__cplusplus >= 201103)
1011# if __has_include(<thread>)
1012# define BOOST_ASIO_HAS_STD_THREAD 1
1013# endif // __has_include(<thread>)
1014# endif // (__cplusplus >= 201103)
1e59de90 1015# elif defined(__GNUC__)
7c673cae 1016# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4)
f67539c2 1017# if (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
7c673cae 1018# define BOOST_ASIO_HAS_STD_THREAD 1
f67539c2 1019# endif // (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
7c673cae
FG		 1020# endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4)
1021# endif // defined(__GNUC__)
1022# if defined(BOOST_ASIO_MSVC)
1023# if (_MSC_VER >= 1700)
1024# define BOOST_ASIO_HAS_STD_THREAD 1
1025# endif // (_MSC_VER >= 1700)
1026# endif // defined(BOOST_ASIO_MSVC)
1027# endif // !defined(BOOST_ASIO_DISABLE_STD_THREAD)
1028#endif // !defined(BOOST_ASIO_HAS_STD_THREAD)
1029
1030// Standard library support for the mutex and condition variable classes.
1031#if !defined(BOOST_ASIO_HAS_STD_MUTEX_AND_CONDVAR)
1032# if !defined(BOOST_ASIO_DISABLE_STD_MUTEX_AND_CONDVAR)
1033# if defined(__clang__)
1034# if defined(BOOST_ASIO_HAS_CLANG_LIBCXX)
1035# define BOOST_ASIO_HAS_STD_MUTEX_AND_CONDVAR 1
1036# elif (__cplusplus >= 201103)
1037# if __has_include(<mutex>)
1038# define BOOST_ASIO_HAS_STD_MUTEX_AND_CONDVAR 1
1039# endif // __has_include(<mutex>)
1040# endif // (__cplusplus >= 201103)
1e59de90 1041# elif defined(__GNUC__)
7c673cae 1042# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4)
f67539c2 1043# if (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
7c673cae 1044# define BOOST_ASIO_HAS_STD_MUTEX_AND_CONDVAR 1
f67539c2 1045# endif // (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
7c673cae
FG		 1046# endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4)
1047# endif // defined(__GNUC__)
1048# if defined(BOOST_ASIO_MSVC)
1049# if (_MSC_VER >= 1700)
1050# define BOOST_ASIO_HAS_STD_MUTEX_AND_CONDVAR 1
1051# endif // (_MSC_VER >= 1700)
1052# endif // defined(BOOST_ASIO_MSVC)
1053# endif // !defined(BOOST_ASIO_DISABLE_STD_MUTEX_AND_CONDVAR)
1054#endif // !defined(BOOST_ASIO_HAS_STD_MUTEX_AND_CONDVAR)
1055
b32b8144
FG		 1056// Standard library support for the call_once function.
1057#if !defined(BOOST_ASIO_HAS_STD_CALL_ONCE)
1058# if !defined(BOOST_ASIO_DISABLE_STD_CALL_ONCE)
1059# if defined(__clang__)
1060# if defined(BOOST_ASIO_HAS_CLANG_LIBCXX)
1061# define BOOST_ASIO_HAS_STD_CALL_ONCE 1
1062# elif (__cplusplus >= 201103)
1063# if __has_include(<mutex>)
1064# define BOOST_ASIO_HAS_STD_CALL_ONCE 1
1065# endif // __has_include(<mutex>)
1066# endif // (__cplusplus >= 201103)
1e59de90 1067# elif defined(__GNUC__)
b32b8144 1068# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4)
f67539c2 1069# if (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
b32b8144 1070# define BOOST_ASIO_HAS_STD_CALL_ONCE 1
f67539c2 1071# endif // (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
b32b8144
FG		 1072# endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4)
1073# endif // defined(__GNUC__)
1074# if defined(BOOST_ASIO_MSVC)
1075# if (_MSC_VER >= 1700)
1076# define BOOST_ASIO_HAS_STD_CALL_ONCE 1
1077# endif // (_MSC_VER >= 1700)
1078# endif // defined(BOOST_ASIO_MSVC)
1079# endif // !defined(BOOST_ASIO_DISABLE_STD_CALL_ONCE)
1080#endif // !defined(BOOST_ASIO_HAS_STD_CALL_ONCE)
1081
1082// Standard library support for futures.
1083#if !defined(BOOST_ASIO_HAS_STD_FUTURE)
1084# if !defined(BOOST_ASIO_DISABLE_STD_FUTURE)
1085# if defined(__clang__)
1086# if defined(BOOST_ASIO_HAS_CLANG_LIBCXX)
1087# define BOOST_ASIO_HAS_STD_FUTURE 1
1088# elif (__cplusplus >= 201103)
1089# if __has_include(<future>)
1090# define BOOST_ASIO_HAS_STD_FUTURE 1
20effc67 1091# endif // __has_include(<future>)
b32b8144 1092# endif // (__cplusplus >= 201103)
1e59de90 1093# elif defined(__GNUC__)
b32b8144 1094# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4)
f67539c2 1095# if (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
92f5a8d4 1096# define BOOST_ASIO_HAS_STD_FUTURE 1
f67539c2 1097# endif // (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
b32b8144
FG		 1098# endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4)
1099# endif // defined(__GNUC__)
1100# if defined(BOOST_ASIO_MSVC)
1101# if (_MSC_VER >= 1700)
1102# define BOOST_ASIO_HAS_STD_FUTURE 1
1103# endif // (_MSC_VER >= 1700)
1104# endif // defined(BOOST_ASIO_MSVC)
1105# endif // !defined(BOOST_ASIO_DISABLE_STD_FUTURE)
1106#endif // !defined(BOOST_ASIO_HAS_STD_FUTURE)
1107
11fdf7f2 1108// Standard library support for std::string_view.
b32b8144
FG		 1109#if !defined(BOOST_ASIO_HAS_STD_STRING_VIEW)
1110# if !defined(BOOST_ASIO_DISABLE_STD_STRING_VIEW)
1111# if defined(__clang__)
92f5a8d4
TL		 1112# if defined(BOOST_ASIO_HAS_CLANG_LIBCXX)
1113# if (__cplusplus >= 201402)
1114# if __has_include(<string_view>)
1115# define BOOST_ASIO_HAS_STD_STRING_VIEW 1
1116# endif // __has_include(<string_view>)
1117# endif // (__cplusplus >= 201402)
1118# else // defined(BOOST_ASIO_HAS_CLANG_LIBCXX)
1119# if (__cplusplus >= 201703)
1120# if __has_include(<string_view>)
1121# define BOOST_ASIO_HAS_STD_STRING_VIEW 1
1122# endif // __has_include(<string_view>)
1123# endif // (__cplusplus >= 201703)
1124# endif // defined(BOOST_ASIO_HAS_CLANG_LIBCXX)
1125# elif defined(__GNUC__)
11fdf7f2
TL		 1126# if (__GNUC__ >= 7)
1127# if (__cplusplus >= 201703)
1128# define BOOST_ASIO_HAS_STD_STRING_VIEW 1
1129# endif // (__cplusplus >= 201703)
1130# endif // (__GNUC__ >= 7)
92f5a8d4
TL		 1131# elif defined(BOOST_ASIO_MSVC)
1132# if (_MSC_VER >= 1910 && _MSVC_LANG >= 201703)
1133# define BOOST_ASIO_HAS_STD_STRING_VIEW 1
1134# endif // (_MSC_VER >= 1910 && _MSVC_LANG >= 201703)
11fdf7f2
TL		 1135# endif // defined(BOOST_ASIO_MSVC)
1136# endif // !defined(BOOST_ASIO_DISABLE_STD_STRING_VIEW)
1137#endif // !defined(BOOST_ASIO_HAS_STD_STRING_VIEW)
1138
1139// Standard library support for std::experimental::string_view.
1140#if !defined(BOOST_ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
1141# if !defined(BOOST_ASIO_DISABLE_STD_EXPERIMENTAL_STRING_VIEW)
1142# if defined(__clang__)
92f5a8d4
TL		 1143# if defined(BOOST_ASIO_HAS_CLANG_LIBCXX)
1144# if (_LIBCPP_VERSION < 7000)
1145# if (__cplusplus >= 201402)
1146# if __has_include(<experimental/string_view>)
1147# define BOOST_ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW 1
1148# endif // __has_include(<experimental/string_view>)
1149# endif // (__cplusplus >= 201402)
1150# endif // (_LIBCPP_VERSION < 7000)
1151# else // defined(BOOST_ASIO_HAS_CLANG_LIBCXX)
1152# if (__cplusplus >= 201402)
1153# if __has_include(<experimental/string_view>)
1154# define BOOST_ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW 1
1155# endif // __has_include(<experimental/string_view>)
1156# endif // (__cplusplus >= 201402)
1157# endif // // defined(BOOST_ASIO_HAS_CLANG_LIBCXX)
1e59de90 1158# elif defined(__GNUC__)
b32b8144
FG		 1159# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 9)) || (__GNUC__ > 4)
1160# if (__cplusplus >= 201402)
b32b8144
FG		 1161# define BOOST_ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW 1
1162# endif // (__cplusplus >= 201402)
11fdf7f2 1163# endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 9)) || (__GNUC__ > 4)
b32b8144 1164# endif // defined(__GNUC__)
11fdf7f2
TL		 1165# endif // !defined(BOOST_ASIO_DISABLE_STD_EXPERIMENTAL_STRING_VIEW)
1166#endif // !defined(BOOST_ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
1167
1168// Standard library has a string_view that we can use.
1169#if !defined(BOOST_ASIO_HAS_STRING_VIEW)
1170# if !defined(BOOST_ASIO_DISABLE_STRING_VIEW)
1171# if defined(BOOST_ASIO_HAS_STD_STRING_VIEW)
1172# define BOOST_ASIO_HAS_STRING_VIEW 1
1173# elif defined(BOOST_ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
1174# define BOOST_ASIO_HAS_STRING_VIEW 1
1175# endif // defined(BOOST_ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
1176# endif // !defined(BOOST_ASIO_DISABLE_STRING_VIEW)
1177#endif // !defined(BOOST_ASIO_HAS_STRING_VIEW)
b32b8144
FG		 1178
1179// Standard library support for iostream move construction and assignment.
1180#if !defined(BOOST_ASIO_HAS_STD_IOSTREAM_MOVE)
1181# if !defined(BOOST_ASIO_DISABLE_STD_IOSTREAM_MOVE)
1e59de90
TL		 1182# if defined(__clang__)
1183# if (__cplusplus >= 201103)
1184# define BOOST_ASIO_HAS_STD_IOSTREAM_MOVE 1
1185# endif // (__cplusplus >= 201103)
1186# elif defined(__GNUC__)
b32b8144 1187# if (__GNUC__ > 4)
f67539c2 1188# if (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
b32b8144 1189# define BOOST_ASIO_HAS_STD_IOSTREAM_MOVE 1
f67539c2 1190# endif // (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
b32b8144 1191# endif // (__GNUC__ > 4)
1e59de90 1192# elif defined(BOOST_ASIO_MSVC)
b32b8144
FG		 1193# if (_MSC_VER >= 1700)
1194# define BOOST_ASIO_HAS_STD_IOSTREAM_MOVE 1
1195# endif // (_MSC_VER >= 1700)
1196# endif // defined(BOOST_ASIO_MSVC)
1197# endif // !defined(BOOST_ASIO_DISABLE_STD_IOSTREAM_MOVE)
1198#endif // !defined(BOOST_ASIO_HAS_STD_IOSTREAM_MOVE)
1199
11fdf7f2
TL		 1200// Standard library has invoke_result (which supersedes result_of).
1201#if !defined(BOOST_ASIO_HAS_STD_INVOKE_RESULT)
1202# if !defined(BOOST_ASIO_DISABLE_STD_INVOKE_RESULT)
1203# if defined(BOOST_ASIO_MSVC)
92f5a8d4 1204# if (_MSC_VER >= 1911 && _MSVC_LANG >= 201703)
11fdf7f2 1205# define BOOST_ASIO_HAS_STD_INVOKE_RESULT 1
92f5a8d4 1206# endif // (_MSC_VER >= 1911 && _MSVC_LANG >= 201703)
11fdf7f2 1207# endif // defined(BOOST_ASIO_MSVC)
1e59de90
TL		 1208# if defined(BOOST_ASIO_HAS_CLANG_LIBCXX)
1209# if (_LIBCPP_VERSION >= 13000)
1210# if (__cplusplus >= 202002)
1211# define BOOST_ASIO_HAS_STD_INVOKE_RESULT 1
1212# endif // (__cplusplus >= 202002)
1213# endif // (_LIBCPP_VERSION >= 13000)
1214# endif // defined(BOOST_ASIO_HAS_CLANG_LIBCXX)
11fdf7f2
TL		 1215# endif // !defined(BOOST_ASIO_DISABLE_STD_INVOKE_RESULT)
1216#endif // !defined(BOOST_ASIO_HAS_STD_INVOKE_RESULT)
1217
20effc67
TL		 1218// Standard library support for std::exception_ptr and std::current_exception.
1219#if !defined(BOOST_ASIO_HAS_STD_EXCEPTION_PTR)
1220# if !defined(BOOST_ASIO_DISABLE_STD_EXCEPTION_PTR)
1221# if defined(__clang__)
1222# if defined(BOOST_ASIO_HAS_CLANG_LIBCXX)
1223# define BOOST_ASIO_HAS_STD_EXCEPTION_PTR 1
1224# elif (__cplusplus >= 201103)
1225# define BOOST_ASIO_HAS_STD_EXCEPTION_PTR 1
1226# endif // (__cplusplus >= 201103)
1227# elif defined(__GNUC__)
1228# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4)
1229# if (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
1230# define BOOST_ASIO_HAS_STD_EXCEPTION_PTR 1
1231# endif // (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
1232# endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4)
1233# endif // defined(__GNUC__)
1234# if defined(BOOST_ASIO_MSVC)
1235# if (_MSC_VER >= 1800)
1236# define BOOST_ASIO_HAS_STD_EXCEPTION_PTR 1
1237# endif // (_MSC_VER >= 1800)
1238# endif // defined(BOOST_ASIO_MSVC)
1239# endif // !defined(BOOST_ASIO_DISABLE_STD_EXCEPTION_PTR)
1240#endif // !defined(BOOST_ASIO_HAS_STD_EXCEPTION_PTR)
1241
1242// Standard library support for std::nested_exception.
1243#if !defined(BOOST_ASIO_HAS_STD_NESTED_EXCEPTION)
1244# if !defined(BOOST_ASIO_DISABLE_STD_NESTED_EXCEPTION)
1245# if defined(__clang__)
1246# if defined(BOOST_ASIO_HAS_CLANG_LIBCXX)
1247# define BOOST_ASIO_HAS_STD_NESTED_EXCEPTION 1
1248# elif (__cplusplus >= 201103)
1249# define BOOST_ASIO_HAS_STD_NESTED_EXCEPTION 1
1250# endif // (__cplusplus >= 201103)
1251# elif defined(__GNUC__)
1252# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4)
1253# if (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
1254# define BOOST_ASIO_HAS_STD_NESTED_EXCEPTION 1
1255# endif // (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
1256# endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4)
1257# endif // defined(__GNUC__)
1258# if defined(BOOST_ASIO_MSVC)
1259# if (_MSC_VER >= 1900)
1260# define BOOST_ASIO_HAS_STD_NESTED_EXCEPTION 1
1261# endif // (_MSC_VER >= 1900)
1262# endif // defined(BOOST_ASIO_MSVC)
1263# endif // !defined(BOOST_ASIO_DISABLE_STD_NESTED_EXCEPTION)
1264#endif // !defined(BOOST_ASIO_HAS_STD_NESTED_EXCEPTION)
1265
1266// Standard library support for std::any.
1267#if !defined(BOOST_ASIO_HAS_STD_ANY)
1268# if !defined(BOOST_ASIO_DISABLE_STD_ANY)
1269# if defined(__clang__)
1270# if (__cplusplus >= 201703)
1271# if __has_include(<any>)
1272# define BOOST_ASIO_HAS_STD_ANY 1
1273# endif // __has_include(<any>)
1274# endif // (__cplusplus >= 201703)
1275# elif defined(__GNUC__)
1276# if (__GNUC__ >= 7)
1277# if (__cplusplus >= 201703)
1278# define BOOST_ASIO_HAS_STD_ANY 1
1279# endif // (__cplusplus >= 201703)
1280# endif // (__GNUC__ >= 7)
1281# endif // defined(__GNUC__)
1282# if defined(BOOST_ASIO_MSVC)
1283# if (_MSC_VER >= 1910) && (_MSVC_LANG >= 201703)
1284# define BOOST_ASIO_HAS_STD_ANY 1
1285# endif // (_MSC_VER >= 1910) && (_MSVC_LANG >= 201703)
1286# endif // defined(BOOST_ASIO_MSVC)
1287# endif // !defined(BOOST_ASIO_DISABLE_STD_ANY)
1288#endif // !defined(BOOST_ASIO_HAS_STD_ANY)
1289
1290// Standard library support for std::source_location.
1291#if !defined(BOOST_ASIO_HAS_STD_SOURCE_LOCATION)
1292# if !defined(BOOST_ASIO_DISABLE_STD_SOURCE_LOCATION)
1293// ...
1294# endif // !defined(BOOST_ASIO_DISABLE_STD_SOURCE_LOCATION)
1295#endif // !defined(BOOST_ASIO_HAS_STD_SOURCE_LOCATION)
1296
1297// Standard library support for std::experimental::source_location.
1298#if !defined(BOOST_ASIO_HAS_STD_EXPERIMENTAL_SOURCE_LOCATION)
1299# if !defined(BOOST_ASIO_DISABLE_STD_EXPERIMENTAL_SOURCE_LOCATION)
1300# if defined(__GNUC__)
1301# if (__cplusplus >= 201709)
1302# if __has_include(<experimental/source_location>)
1303# define BOOST_ASIO_HAS_STD_EXPERIMENTAL_SOURCE_LOCATION 1
1304# endif // __has_include(<experimental/source_location>)
1305# endif // (__cplusplus >= 201709)
1306# endif // defined(__GNUC__)
1307# endif // !defined(BOOST_ASIO_DISABLE_STD_EXPERIMENTAL_SOURCE_LOCATION)
1308#endif // !defined(BOOST_ASIO_HAS_STD_EXPERIMENTAL_SOURCE_LOCATION)
1309
1310// Standard library has a source_location that we can use.
1311#if !defined(BOOST_ASIO_HAS_SOURCE_LOCATION)
1312# if !defined(BOOST_ASIO_DISABLE_SOURCE_LOCATION)
1313# if defined(BOOST_ASIO_HAS_STD_SOURCE_LOCATION)
1314# define BOOST_ASIO_HAS_SOURCE_LOCATION 1
1315# elif defined(BOOST_ASIO_HAS_STD_EXPERIMENTAL_SOURCE_LOCATION)
1316# define BOOST_ASIO_HAS_SOURCE_LOCATION 1
1317# endif // defined(BOOST_ASIO_HAS_STD_EXPERIMENTAL_SOURCE_LOCATION)
1318# endif // !defined(BOOST_ASIO_DISABLE_SOURCE_LOCATION)
1319#endif // !defined(BOOST_ASIO_HAS_SOURCE_LOCATION)
1320
7c673cae
FG		 1321// Windows App target. Windows but with a limited API.
1322#if !defined(BOOST_ASIO_WINDOWS_APP)
1323# if defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0603)
1324# include <winapifamily.h>
f67539c2
TL		 1325# if (WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP) \
1326 || WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_TV_TITLE)) \
7c673cae
FG		 1327 && !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
1328# define BOOST_ASIO_WINDOWS_APP 1
1329# endif // WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP)
1330 // && !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
1331# endif // defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0603)
1332#endif // !defined(BOOST_ASIO_WINDOWS_APP)
1333
1334// Legacy WinRT target. Windows App is preferred.
1335#if !defined(BOOST_ASIO_WINDOWS_RUNTIME)
1336# if !defined(BOOST_ASIO_WINDOWS_APP)
1337# if defined(__cplusplus_winrt)
1338# include <winapifamily.h>
1339# if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP) \
1340 && !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
1341# define BOOST_ASIO_WINDOWS_RUNTIME 1
1342# endif // WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP)
1343 // && !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
1344# endif // defined(__cplusplus_winrt)
1345# endif // !defined(BOOST_ASIO_WINDOWS_APP)
1346#endif // !defined(BOOST_ASIO_WINDOWS_RUNTIME)
1347
1348// Windows target. Excludes WinRT but includes Windows App targets.
1349#if !defined(BOOST_ASIO_WINDOWS)
1350# if !defined(BOOST_ASIO_WINDOWS_RUNTIME)
1351# if defined(BOOST_ASIO_HAS_BOOST_CONFIG) && defined(BOOST_WINDOWS)
1352# define BOOST_ASIO_WINDOWS 1
1353# elif defined(WIN32) || defined(_WIN32) || defined(__WIN32__)
1354# define BOOST_ASIO_WINDOWS 1
1355# elif defined(BOOST_ASIO_WINDOWS_APP)
1356# define BOOST_ASIO_WINDOWS 1
1357# endif // defined(BOOST_ASIO_HAS_BOOST_CONFIG) && defined(BOOST_WINDOWS)
1358# endif // !defined(BOOST_ASIO_WINDOWS_RUNTIME)
1359#endif // !defined(BOOST_ASIO_WINDOWS)
1360
1361// Windows: target OS version.
1362#if defined(BOOST_ASIO_WINDOWS) || defined(__CYGWIN__)
1363# if !defined(_WIN32_WINNT) && !defined(_WIN32_WINDOWS)
20effc67 1364# if defined(_MSC_VER) || (defined(__BORLANDC__) && !defined(__clang__))
7c673cae
FG		 1365# pragma message( \
1366 "Please define _WIN32_WINNT or _WIN32_WINDOWS appropriately. For example:\n"\
92f5a8d4
TL		 1367 "- add -D_WIN32_WINNT=0x0601 to the compiler command line; or\n"\
1368 "- add _WIN32_WINNT=0x0601 to your project's Preprocessor Definitions.\n"\
1369 "Assuming _WIN32_WINNT=0x0601 (i.e. Windows 7 target).")
20effc67 1370# else // defined(_MSC_VER) || (defined(__BORLANDC__) && !defined(__clang__))
7c673cae 1371# warning Please define _WIN32_WINNT or _WIN32_WINDOWS appropriately.
92f5a8d4
TL		 1372# warning For example, add -D_WIN32_WINNT=0x0601 to the compiler command line.
1373# warning Assuming _WIN32_WINNT=0x0601 (i.e. Windows 7 target).
20effc67 1374# endif // defined(_MSC_VER) || (defined(__BORLANDC__) && !defined(__clang__))
92f5a8d4 1375# define _WIN32_WINNT 0x0601
7c673cae
FG		 1376# endif // !defined(_WIN32_WINNT) && !defined(_WIN32_WINDOWS)
1377# if defined(_MSC_VER)
1378# if defined(_WIN32) && !defined(WIN32)
1379# if !defined(_WINSOCK2API_)
1380# define WIN32 // Needed for correct types in winsock2.h
1381# else // !defined(_WINSOCK2API_)
1382# error Please define the macro WIN32 in your compiler options
1383# endif // !defined(_WINSOCK2API_)
1384# endif // defined(_WIN32) && !defined(WIN32)
1385# endif // defined(_MSC_VER)
1386# if defined(__BORLANDC__)
1387# if defined(__WIN32__) && !defined(WIN32)
1388# if !defined(_WINSOCK2API_)
1389# define WIN32 // Needed for correct types in winsock2.h
1390# else // !defined(_WINSOCK2API_)
1391# error Please define the macro WIN32 in your compiler options
1392# endif // !defined(_WINSOCK2API_)
1393# endif // defined(__WIN32__) && !defined(WIN32)
1394# endif // defined(__BORLANDC__)
1395# if defined(__CYGWIN__)
1396# if !defined(__USE_W32_SOCKETS)
1397# error You must add -D__USE_W32_SOCKETS to your compiler options.
1398# endif // !defined(__USE_W32_SOCKETS)
1399# endif // defined(__CYGWIN__)
1400#endif // defined(BOOST_ASIO_WINDOWS) || defined(__CYGWIN__)
1401
1402// Windows: minimise header inclusion.
1403#if defined(BOOST_ASIO_WINDOWS) || defined(__CYGWIN__)
1404# if !defined(BOOST_ASIO_NO_WIN32_LEAN_AND_MEAN)
1405# if !defined(WIN32_LEAN_AND_MEAN)
1406# define WIN32_LEAN_AND_MEAN
1407# endif // !defined(WIN32_LEAN_AND_MEAN)
1408# endif // !defined(BOOST_ASIO_NO_WIN32_LEAN_AND_MEAN)
1409#endif // defined(BOOST_ASIO_WINDOWS) || defined(__CYGWIN__)
1410
1411// Windows: suppress definition of "min" and "max" macros.
1412#if defined(BOOST_ASIO_WINDOWS) || defined(__CYGWIN__)
1413# if !defined(BOOST_ASIO_NO_NOMINMAX)
1414# if !defined(NOMINMAX)
1415# define NOMINMAX 1
1416# endif // !defined(NOMINMAX)
1417# endif // !defined(BOOST_ASIO_NO_NOMINMAX)
1418#endif // defined(BOOST_ASIO_WINDOWS) || defined(__CYGWIN__)
1419
1420// Windows: IO Completion Ports.
1421#if !defined(BOOST_ASIO_HAS_IOCP)
1422# if defined(BOOST_ASIO_WINDOWS) || defined(__CYGWIN__)
1423# if defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0400)
1424# if !defined(UNDER_CE) && !defined(BOOST_ASIO_WINDOWS_APP)
1425# if !defined(BOOST_ASIO_DISABLE_IOCP)
1426# define BOOST_ASIO_HAS_IOCP 1
1427# endif // !defined(BOOST_ASIO_DISABLE_IOCP)
1428# endif // !defined(UNDER_CE) && !defined(BOOST_ASIO_WINDOWS_APP)
1429# endif // defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0400)
1430# endif // defined(BOOST_ASIO_WINDOWS) || defined(__CYGWIN__)
1431#endif // !defined(BOOST_ASIO_HAS_IOCP)
1432
1433// On POSIX (and POSIX-like) platforms we need to include unistd.h in order to
1434// get access to the various platform feature macros, e.g. to be able to test
1435// for threads support.
1436#if !defined(BOOST_ASIO_HAS_UNISTD_H)
1437# if !defined(BOOST_ASIO_HAS_BOOST_CONFIG)
1438# if defined(unix) \
1439 || defined(__unix) \
1440 || defined(_XOPEN_SOURCE) \
1441 || defined(_POSIX_SOURCE) \
1442 || (defined(__MACH__) && defined(__APPLE__)) \
1443 || defined(__FreeBSD__) \
1444 || defined(__NetBSD__) \
1445 || defined(__OpenBSD__) \
92f5a8d4
TL		 1446 || defined(__linux__) \
1447 || defined(__HAIKU__)
7c673cae
FG		 1448# define BOOST_ASIO_HAS_UNISTD_H 1
1449# endif
1450# endif // !defined(BOOST_ASIO_HAS_BOOST_CONFIG)
1451#endif // !defined(BOOST_ASIO_HAS_UNISTD_H)
1452#if defined(BOOST_ASIO_HAS_UNISTD_H)
1453# include <unistd.h>
1454#endif // defined(BOOST_ASIO_HAS_UNISTD_H)
1455
1456// Linux: epoll, eventfd and timerfd.
1457#if defined(__linux__)
1458# include <linux/version.h>
1459# if !defined(BOOST_ASIO_HAS_EPOLL)
1460# if !defined(BOOST_ASIO_DISABLE_EPOLL)
1461# if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,45)
1462# define BOOST_ASIO_HAS_EPOLL 1
1463# endif // LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,45)
1464# endif // !defined(BOOST_ASIO_DISABLE_EPOLL)
1465# endif // !defined(BOOST_ASIO_HAS_EPOLL)
1466# if !defined(BOOST_ASIO_HAS_EVENTFD)
1467# if !defined(BOOST_ASIO_DISABLE_EVENTFD)
1468# if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
1469# define BOOST_ASIO_HAS_EVENTFD 1
1470# endif // LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
1471# endif // !defined(BOOST_ASIO_DISABLE_EVENTFD)
1472# endif // !defined(BOOST_ASIO_HAS_EVENTFD)
1473# if !defined(BOOST_ASIO_HAS_TIMERFD)
1474# if defined(BOOST_ASIO_HAS_EPOLL)
1475# if (__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 8)
1476# define BOOST_ASIO_HAS_TIMERFD 1
1477# endif // (__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 8)
1478# endif // defined(BOOST_ASIO_HAS_EPOLL)
1479# endif // !defined(BOOST_ASIO_HAS_TIMERFD)
1480#endif // defined(__linux__)
1481
1e59de90
TL		 1482// Linux: io_uring is used instead of epoll.
1483#if !defined(BOOST_ASIO_HAS_IO_URING_AS_DEFAULT)
1484# if !defined(BOOST_ASIO_HAS_EPOLL) && defined(BOOST_ASIO_HAS_IO_URING)
1485# define BOOST_ASIO_HAS_IO_URING_AS_DEFAULT 1
1486# endif // !defined(BOOST_ASIO_HAS_EPOLL) && defined(BOOST_ASIO_HAS_IO_URING)
1487#endif // !defined(BOOST_ASIO_HAS_IO_URING_AS_DEFAULT)
1488
7c673cae
FG		 1489// Mac OS X, FreeBSD, NetBSD, OpenBSD: kqueue.
1490#if (defined(__MACH__) && defined(__APPLE__)) \
1491 || defined(__FreeBSD__) \
1492 || defined(__NetBSD__) \
1493 || defined(__OpenBSD__)
1494# if !defined(BOOST_ASIO_HAS_KQUEUE)
1495# if !defined(BOOST_ASIO_DISABLE_KQUEUE)
1496# define BOOST_ASIO_HAS_KQUEUE 1
1497# endif // !defined(BOOST_ASIO_DISABLE_KQUEUE)
1498# endif // !defined(BOOST_ASIO_HAS_KQUEUE)
1499#endif // (defined(__MACH__) && defined(__APPLE__))
1500 // || defined(__FreeBSD__)
1501 // || defined(__NetBSD__)
1502 // || defined(__OpenBSD__)
1503
1504// Solaris: /dev/poll.
1505#if defined(__sun)
1506# if !defined(BOOST_ASIO_HAS_DEV_POLL)
1507# if !defined(BOOST_ASIO_DISABLE_DEV_POLL)
1508# define BOOST_ASIO_HAS_DEV_POLL 1
1509# endif // !defined(BOOST_ASIO_DISABLE_DEV_POLL)
1510# endif // !defined(BOOST_ASIO_HAS_DEV_POLL)
1511#endif // defined(__sun)
1512
1513// Serial ports.
1514#if !defined(BOOST_ASIO_HAS_SERIAL_PORT)
1515# if defined(BOOST_ASIO_HAS_IOCP) \
1516 || !defined(BOOST_ASIO_WINDOWS) \
1517 && !defined(BOOST_ASIO_WINDOWS_RUNTIME) \
1518 && !defined(__CYGWIN__)
1519# if !defined(__SYMBIAN32__)
1520# if !defined(BOOST_ASIO_DISABLE_SERIAL_PORT)
1521# define BOOST_ASIO_HAS_SERIAL_PORT 1
1522# endif // !defined(BOOST_ASIO_DISABLE_SERIAL_PORT)
1523# endif // !defined(__SYMBIAN32__)
1524# endif // defined(BOOST_ASIO_HAS_IOCP)
1525 // || !defined(BOOST_ASIO_WINDOWS)
1526 // && !defined(BOOST_ASIO_WINDOWS_RUNTIME)
1527 // && !defined(__CYGWIN__)
1528#endif // !defined(BOOST_ASIO_HAS_SERIAL_PORT)
1529
1530// Windows: stream handles.
1531#if !defined(BOOST_ASIO_HAS_WINDOWS_STREAM_HANDLE)
1532# if !defined(BOOST_ASIO_DISABLE_WINDOWS_STREAM_HANDLE)
1533# if defined(BOOST_ASIO_HAS_IOCP)
1534# define BOOST_ASIO_HAS_WINDOWS_STREAM_HANDLE 1
1535# endif // defined(BOOST_ASIO_HAS_IOCP)
1536# endif // !defined(BOOST_ASIO_DISABLE_WINDOWS_STREAM_HANDLE)
1537#endif // !defined(BOOST_ASIO_HAS_WINDOWS_STREAM_HANDLE)
1538
1539// Windows: random access handles.
1540#if !defined(BOOST_ASIO_HAS_WINDOWS_RANDOM_ACCESS_HANDLE)
1541# if !defined(BOOST_ASIO_DISABLE_WINDOWS_RANDOM_ACCESS_HANDLE)
1542# if defined(BOOST_ASIO_HAS_IOCP)
1543# define BOOST_ASIO_HAS_WINDOWS_RANDOM_ACCESS_HANDLE 1
1544# endif // defined(BOOST_ASIO_HAS_IOCP)
1545# endif // !defined(BOOST_ASIO_DISABLE_WINDOWS_RANDOM_ACCESS_HANDLE)
1546#endif // !defined(BOOST_ASIO_HAS_WINDOWS_RANDOM_ACCESS_HANDLE)
1547
1548// Windows: object handles.
1549#if !defined(BOOST_ASIO_HAS_WINDOWS_OBJECT_HANDLE)
1550# if !defined(BOOST_ASIO_DISABLE_WINDOWS_OBJECT_HANDLE)
1551# if defined(BOOST_ASIO_WINDOWS) || defined(__CYGWIN__)
1552# if !defined(UNDER_CE) && !defined(BOOST_ASIO_WINDOWS_APP)
1553# define BOOST_ASIO_HAS_WINDOWS_OBJECT_HANDLE 1
1554# endif // !defined(UNDER_CE) && !defined(BOOST_ASIO_WINDOWS_APP)
1555# endif // defined(BOOST_ASIO_WINDOWS) || defined(__CYGWIN__)
1556# endif // !defined(BOOST_ASIO_DISABLE_WINDOWS_OBJECT_HANDLE)
1557#endif // !defined(BOOST_ASIO_HAS_WINDOWS_OBJECT_HANDLE)
1558
1559// Windows: OVERLAPPED wrapper.
1560#if !defined(BOOST_ASIO_HAS_WINDOWS_OVERLAPPED_PTR)
1561# if !defined(BOOST_ASIO_DISABLE_WINDOWS_OVERLAPPED_PTR)
1562# if defined(BOOST_ASIO_HAS_IOCP)
1563# define BOOST_ASIO_HAS_WINDOWS_OVERLAPPED_PTR 1
1564# endif // defined(BOOST_ASIO_HAS_IOCP)
1565# endif // !defined(BOOST_ASIO_DISABLE_WINDOWS_OVERLAPPED_PTR)
1566#endif // !defined(BOOST_ASIO_HAS_WINDOWS_OVERLAPPED_PTR)
1567
1568// POSIX: stream-oriented file descriptors.
1569#if !defined(BOOST_ASIO_HAS_POSIX_STREAM_DESCRIPTOR)
1570# if !defined(BOOST_ASIO_DISABLE_POSIX_STREAM_DESCRIPTOR)
1571# if !defined(BOOST_ASIO_WINDOWS) \
1572 && !defined(BOOST_ASIO_WINDOWS_RUNTIME) \
1573 && !defined(__CYGWIN__)
1574# define BOOST_ASIO_HAS_POSIX_STREAM_DESCRIPTOR 1
1575# endif // !defined(BOOST_ASIO_WINDOWS)
1576 // && !defined(BOOST_ASIO_WINDOWS_RUNTIME)
1577 // && !defined(__CYGWIN__)
1578# endif // !defined(BOOST_ASIO_DISABLE_POSIX_STREAM_DESCRIPTOR)
1579#endif // !defined(BOOST_ASIO_HAS_POSIX_STREAM_DESCRIPTOR)
1580
1581// UNIX domain sockets.
1582#if !defined(BOOST_ASIO_HAS_LOCAL_SOCKETS)
1583# if !defined(BOOST_ASIO_DISABLE_LOCAL_SOCKETS)
20effc67 1584# if !defined(BOOST_ASIO_WINDOWS_RUNTIME)
7c673cae 1585# define BOOST_ASIO_HAS_LOCAL_SOCKETS 1
20effc67 1586# endif // !defined(BOOST_ASIO_WINDOWS_RUNTIME)
7c673cae
FG		 1587# endif // !defined(BOOST_ASIO_DISABLE_LOCAL_SOCKETS)
1588#endif // !defined(BOOST_ASIO_HAS_LOCAL_SOCKETS)
1589
1e59de90
TL		 1590// Files.
1591#if !defined(BOOST_ASIO_HAS_FILE)
1592# if !defined(BOOST_ASIO_DISABLE_FILE)
1593# if defined(BOOST_ASIO_HAS_WINDOWS_RANDOM_ACCESS_HANDLE)
1594# define BOOST_ASIO_HAS_FILE 1
1595# elif defined(BOOST_ASIO_HAS_IO_URING)
1596# define BOOST_ASIO_HAS_FILE 1
1597# endif // defined(BOOST_ASIO_HAS_IO_URING)
1598# endif // !defined(BOOST_ASIO_DISABLE_FILE)
1599#endif // !defined(BOOST_ASIO_HAS_FILE)
1600
1601// Pipes.
1602#if !defined(BOOST_ASIO_HAS_PIPE)
1603# if defined(BOOST_ASIO_HAS_IOCP) \
1604 || !defined(BOOST_ASIO_WINDOWS) \
1605 && !defined(BOOST_ASIO_WINDOWS_RUNTIME) \
1606 && !defined(__CYGWIN__)
1607# if !defined(__SYMBIAN32__)
1608# if !defined(BOOST_ASIO_DISABLE_PIPE)
1609# define BOOST_ASIO_HAS_PIPE 1
1610# endif // !defined(BOOST_ASIO_DISABLE_PIPE)
1611# endif // !defined(__SYMBIAN32__)
1612# endif // defined(BOOST_ASIO_HAS_IOCP)
1613 // || !defined(BOOST_ASIO_WINDOWS)
1614 // && !defined(BOOST_ASIO_WINDOWS_RUNTIME)
1615 // && !defined(__CYGWIN__)
1616#endif // !defined(BOOST_ASIO_HAS_PIPE)
1617
7c673cae
FG		 1618// Can use sigaction() instead of signal().
1619#if !defined(BOOST_ASIO_HAS_SIGACTION)
1620# if !defined(BOOST_ASIO_DISABLE_SIGACTION)
1621# if !defined(BOOST_ASIO_WINDOWS) \
1622 && !defined(BOOST_ASIO_WINDOWS_RUNTIME) \
1623 && !defined(__CYGWIN__)
1624# define BOOST_ASIO_HAS_SIGACTION 1
1625# endif // !defined(BOOST_ASIO_WINDOWS)
1626 // && !defined(BOOST_ASIO_WINDOWS_RUNTIME)
1627 // && !defined(__CYGWIN__)
1628# endif // !defined(BOOST_ASIO_DISABLE_SIGACTION)
1629#endif // !defined(BOOST_ASIO_HAS_SIGACTION)
1630
1631// Can use signal().
1632#if !defined(BOOST_ASIO_HAS_SIGNAL)
1633# if !defined(BOOST_ASIO_DISABLE_SIGNAL)
1634# if !defined(UNDER_CE)
1635# define BOOST_ASIO_HAS_SIGNAL 1
1636# endif // !defined(UNDER_CE)
1637# endif // !defined(BOOST_ASIO_DISABLE_SIGNAL)
1638#endif // !defined(BOOST_ASIO_HAS_SIGNAL)
1639
1640// Can use getaddrinfo() and getnameinfo().
1641#if !defined(BOOST_ASIO_HAS_GETADDRINFO)
1642# if !defined(BOOST_ASIO_DISABLE_GETADDRINFO)
1643# if defined(BOOST_ASIO_WINDOWS) || defined(__CYGWIN__)
1644# if defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0501)
1645# define BOOST_ASIO_HAS_GETADDRINFO 1
1646# elif defined(UNDER_CE)
1647# define BOOST_ASIO_HAS_GETADDRINFO 1
1648# endif // defined(UNDER_CE)
1649# elif defined(__MACH__) && defined(__APPLE__)
1650# if defined(__MAC_OS_X_VERSION_MIN_REQUIRED)
1651# if (__MAC_OS_X_VERSION_MIN_REQUIRED >= 1050)
1652# define BOOST_ASIO_HAS_GETADDRINFO 1
1653# endif // (__MAC_OS_X_VERSION_MIN_REQUIRED >= 1050)
1654# else // defined(__MAC_OS_X_VERSION_MIN_REQUIRED)
1655# define BOOST_ASIO_HAS_GETADDRINFO 1
1656# endif // defined(__MAC_OS_X_VERSION_MIN_REQUIRED)
1657# else // defined(__MACH__) && defined(__APPLE__)
1658# define BOOST_ASIO_HAS_GETADDRINFO 1
1659# endif // defined(__MACH__) && defined(__APPLE__)
1660# endif // !defined(BOOST_ASIO_DISABLE_GETADDRINFO)
1661#endif // !defined(BOOST_ASIO_HAS_GETADDRINFO)
1662
1663// Whether standard iostreams are disabled.
1664#if !defined(BOOST_ASIO_NO_IOSTREAM)
1665# if defined(BOOST_ASIO_HAS_BOOST_CONFIG) && defined(BOOST_NO_IOSTREAM)
1666# define BOOST_ASIO_NO_IOSTREAM 1
1667# endif // !defined(BOOST_NO_IOSTREAM)
1668#endif // !defined(BOOST_ASIO_NO_IOSTREAM)
1669
1670// Whether exception handling is disabled.
1671#if !defined(BOOST_ASIO_NO_EXCEPTIONS)
1672# if defined(BOOST_ASIO_HAS_BOOST_CONFIG) && defined(BOOST_NO_EXCEPTIONS)
1673# define BOOST_ASIO_NO_EXCEPTIONS 1
1674# endif // !defined(BOOST_NO_EXCEPTIONS)
1675#endif // !defined(BOOST_ASIO_NO_EXCEPTIONS)
1676
1677// Whether the typeid operator is supported.
1678#if !defined(BOOST_ASIO_NO_TYPEID)
1679# if defined(BOOST_ASIO_HAS_BOOST_CONFIG) && defined(BOOST_NO_TYPEID)
1680# define BOOST_ASIO_NO_TYPEID 1
1681# endif // !defined(BOOST_NO_TYPEID)
1682#endif // !defined(BOOST_ASIO_NO_TYPEID)
1683
1684// Threads.
1685#if !defined(BOOST_ASIO_HAS_THREADS)
1686# if !defined(BOOST_ASIO_DISABLE_THREADS)
1687# if defined(BOOST_ASIO_HAS_BOOST_CONFIG) && defined(BOOST_HAS_THREADS)
1688# define BOOST_ASIO_HAS_THREADS 1
b32b8144
FG		 1689# elif defined(__GNUC__) && !defined(__MINGW32__) \
1690 && !defined(linux) && !defined(__linux) && !defined(__linux__)
1691# define BOOST_ASIO_HAS_THREADS 1
1692# elif defined(_MT) || defined(__MT__)
7c673cae 1693# define BOOST_ASIO_HAS_THREADS 1
b32b8144 1694# elif defined(_REENTRANT)
7c673cae 1695# define BOOST_ASIO_HAS_THREADS 1
b32b8144
FG		 1696# elif defined(__APPLE__)
1697# define BOOST_ASIO_HAS_THREADS 1
92f5a8d4
TL		 1698# elif defined(__HAIKU__)
1699# define BOOST_ASIO_HAS_THREADS 1
b32b8144
FG		 1700# elif defined(_POSIX_THREADS) && (_POSIX_THREADS + 0 >= 0)
1701# define BOOST_ASIO_HAS_THREADS 1
1702# elif defined(_PTHREADS)
7c673cae
FG		 1703# define BOOST_ASIO_HAS_THREADS 1
1704# endif // defined(BOOST_ASIO_HAS_BOOST_CONFIG) && defined(BOOST_HAS_THREADS)
1705# endif // !defined(BOOST_ASIO_DISABLE_THREADS)
1706#endif // !defined(BOOST_ASIO_HAS_THREADS)
1707
1708// POSIX threads.
1709#if !defined(BOOST_ASIO_HAS_PTHREADS)
1710# if defined(BOOST_ASIO_HAS_THREADS)
1711# if defined(BOOST_ASIO_HAS_BOOST_CONFIG) && defined(BOOST_HAS_PTHREADS)
1712# define BOOST_ASIO_HAS_PTHREADS 1
b32b8144 1713# elif defined(_POSIX_THREADS) && (_POSIX_THREADS + 0 >= 0)
7c673cae 1714# define BOOST_ASIO_HAS_PTHREADS 1
92f5a8d4
TL		 1715# elif defined(__HAIKU__)
1716# define BOOST_ASIO_HAS_PTHREADS 1
7c673cae
FG		 1717# endif // defined(BOOST_ASIO_HAS_BOOST_CONFIG) && defined(BOOST_HAS_PTHREADS)
1718# endif // defined(BOOST_ASIO_HAS_THREADS)
1719#endif // !defined(BOOST_ASIO_HAS_PTHREADS)
1720
1721// Helper to prevent macro expansion.
1722#define BOOST_ASIO_PREVENT_MACRO_SUBSTITUTION
1723
1724// Helper to define in-class constants.
1725#if !defined(BOOST_ASIO_STATIC_CONSTANT)
1726# if !defined(BOOST_ASIO_DISABLE_BOOST_STATIC_CONSTANT)
1727# define BOOST_ASIO_STATIC_CONSTANT(type, assignment) \
1728 BOOST_STATIC_CONSTANT(type, assignment)
1729# else // !defined(BOOST_ASIO_DISABLE_BOOST_STATIC_CONSTANT)
1730# define BOOST_ASIO_STATIC_CONSTANT(type, assignment) \
1731 static const type assignment
1732# endif // !defined(BOOST_ASIO_DISABLE_BOOST_STATIC_CONSTANT)
1733#endif // !defined(BOOST_ASIO_STATIC_CONSTANT)
1734
1e59de90
TL		 1735// Boost align library.
1736#if !defined(BOOST_ASIO_HAS_BOOST_ALIGN)
1737# if !defined(BOOST_ASIO_DISABLE_BOOST_ALIGN)
1738# if defined(BOOST_ASIO_HAS_BOOST_CONFIG) && (BOOST_VERSION >= 105600)
1739# define BOOST_ASIO_HAS_BOOST_ALIGN 1
1740# endif // defined(BOOST_ASIO_HAS_BOOST_CONFIG) && (BOOST_VERSION >= 105600)
1741# endif // !defined(BOOST_ASIO_DISABLE_BOOST_ALIGN)
1742#endif // !defined(BOOST_ASIO_HAS_BOOST_ALIGN)
1743
7c673cae
FG		 1744// Boost array library.
1745#if !defined(BOOST_ASIO_HAS_BOOST_ARRAY)
1746# if !defined(BOOST_ASIO_DISABLE_BOOST_ARRAY)
1747# define BOOST_ASIO_HAS_BOOST_ARRAY 1
1748# endif // !defined(BOOST_ASIO_DISABLE_BOOST_ARRAY)
1749#endif // !defined(BOOST_ASIO_HAS_BOOST_ARRAY)
1750
1751// Boost assert macro.
1752#if !defined(BOOST_ASIO_HAS_BOOST_ASSERT)
1753# if !defined(BOOST_ASIO_DISABLE_BOOST_ASSERT)
1754# define BOOST_ASIO_HAS_BOOST_ASSERT 1
1755# endif // !defined(BOOST_ASIO_DISABLE_BOOST_ASSERT)
1756#endif // !defined(BOOST_ASIO_HAS_BOOST_ASSERT)
1757
1758// Boost limits header.
1759#if !defined(BOOST_ASIO_HAS_BOOST_LIMITS)
1760# if !defined(BOOST_ASIO_DISABLE_BOOST_LIMITS)
1761# define BOOST_ASIO_HAS_BOOST_LIMITS 1
1762# endif // !defined(BOOST_ASIO_DISABLE_BOOST_LIMITS)
1763#endif // !defined(BOOST_ASIO_HAS_BOOST_LIMITS)
1764
1765// Boost throw_exception function.
1766#if !defined(BOOST_ASIO_HAS_BOOST_THROW_EXCEPTION)
1767# if !defined(BOOST_ASIO_DISABLE_BOOST_THROW_EXCEPTION)
1768# define BOOST_ASIO_HAS_BOOST_THROW_EXCEPTION 1
1769# endif // !defined(BOOST_ASIO_DISABLE_BOOST_THROW_EXCEPTION)
1770#endif // !defined(BOOST_ASIO_HAS_BOOST_THROW_EXCEPTION)
1771
1772// Boost regex library.
1773#if !defined(BOOST_ASIO_HAS_BOOST_REGEX)
1774# if !defined(BOOST_ASIO_DISABLE_BOOST_REGEX)
1775# define BOOST_ASIO_HAS_BOOST_REGEX 1
1776# endif // !defined(BOOST_ASIO_DISABLE_BOOST_REGEX)
1777#endif // !defined(BOOST_ASIO_HAS_BOOST_REGEX)
1778
1779// Boost bind function.
1780#if !defined(BOOST_ASIO_HAS_BOOST_BIND)
1781# if !defined(BOOST_ASIO_DISABLE_BOOST_BIND)
1782# define BOOST_ASIO_HAS_BOOST_BIND 1
1783# endif // !defined(BOOST_ASIO_DISABLE_BOOST_BIND)
1784#endif // !defined(BOOST_ASIO_HAS_BOOST_BIND)
1785
1786// Boost's BOOST_WORKAROUND macro.
1787#if !defined(BOOST_ASIO_HAS_BOOST_WORKAROUND)
1788# if !defined(BOOST_ASIO_DISABLE_BOOST_WORKAROUND)
1789# define BOOST_ASIO_HAS_BOOST_WORKAROUND 1
1790# endif // !defined(BOOST_ASIO_DISABLE_BOOST_WORKAROUND)
1791#endif // !defined(BOOST_ASIO_HAS_BOOST_WORKAROUND)
1792
1793// Microsoft Visual C++'s secure C runtime library.
1794#if !defined(BOOST_ASIO_HAS_SECURE_RTL)
1795# if !defined(BOOST_ASIO_DISABLE_SECURE_RTL)
1796# if defined(BOOST_ASIO_MSVC) \
1797 && (BOOST_ASIO_MSVC >= 1400) \
1798 && !defined(UNDER_CE)
1799# define BOOST_ASIO_HAS_SECURE_RTL 1
1800# endif // defined(BOOST_ASIO_MSVC)
1801 // && (BOOST_ASIO_MSVC >= 1400)
1802 // && !defined(UNDER_CE)
1803# endif // !defined(BOOST_ASIO_DISABLE_SECURE_RTL)
1804#endif // !defined(BOOST_ASIO_HAS_SECURE_RTL)
1805
1806// Handler hooking. Disabled for ancient Borland C++ and gcc compilers.
1807#if !defined(BOOST_ASIO_HAS_HANDLER_HOOKS)
1808# if !defined(BOOST_ASIO_DISABLE_HANDLER_HOOKS)
1809# if defined(__GNUC__)
1810# if (__GNUC__ >= 3)
1811# define BOOST_ASIO_HAS_HANDLER_HOOKS 1
1812# endif // (__GNUC__ >= 3)
20effc67 1813# elif !defined(__BORLANDC__) || defined(__clang__)
7c673cae 1814# define BOOST_ASIO_HAS_HANDLER_HOOKS 1
20effc67 1815# endif // !defined(__BORLANDC__) || defined(__clang__)
7c673cae
FG		 1816# endif // !defined(BOOST_ASIO_DISABLE_HANDLER_HOOKS)
1817#endif // !defined(BOOST_ASIO_HAS_HANDLER_HOOKS)
1818
1819// Support for the __thread keyword extension.
1820#if !defined(BOOST_ASIO_DISABLE_THREAD_KEYWORD_EXTENSION)
1821# if defined(__linux__)
1822# if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
1823# if ((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3)
b32b8144
FG		 1824# if !defined(__INTEL_COMPILER) && !defined(__ICL) \
1825 && !(defined(__clang__) && defined(__ANDROID__))
7c673cae
FG		 1826# define BOOST_ASIO_HAS_THREAD_KEYWORD_EXTENSION 1
1827# define BOOST_ASIO_THREAD_KEYWORD __thread
1828# elif defined(__INTEL_COMPILER) && (__INTEL_COMPILER >= 1100)
1829# define BOOST_ASIO_HAS_THREAD_KEYWORD_EXTENSION 1
1830# endif // defined(__INTEL_COMPILER) && (__INTEL_COMPILER >= 1100)
b32b8144 1831 // && !(defined(__clang__) && defined(__ANDROID__))
7c673cae
FG		 1832# endif // ((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3)
1833# endif // defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
1834# endif // defined(__linux__)
1835# if defined(BOOST_ASIO_MSVC) && defined(BOOST_ASIO_WINDOWS_RUNTIME)
1836# if (_MSC_VER >= 1700)
1837# define BOOST_ASIO_HAS_THREAD_KEYWORD_EXTENSION 1
1838# define BOOST_ASIO_THREAD_KEYWORD __declspec(thread)
1839# endif // (_MSC_VER >= 1700)
1840# endif // defined(BOOST_ASIO_MSVC) && defined(BOOST_ASIO_WINDOWS_RUNTIME)
1841#endif // !defined(BOOST_ASIO_DISABLE_THREAD_KEYWORD_EXTENSION)
1842#if !defined(BOOST_ASIO_THREAD_KEYWORD)
1843# define BOOST_ASIO_THREAD_KEYWORD __thread
1844#endif // !defined(BOOST_ASIO_THREAD_KEYWORD)
1845
1846// Support for POSIX ssize_t typedef.
1847#if !defined(BOOST_ASIO_DISABLE_SSIZE_T)
1848# if defined(__linux__) \
1849 || (defined(__MACH__) && defined(__APPLE__))
1850# define BOOST_ASIO_HAS_SSIZE_T 1
1851# endif // defined(__linux__)
1852 // || (defined(__MACH__) && defined(__APPLE__))
1853#endif // !defined(BOOST_ASIO_DISABLE_SSIZE_T)
1854
b32b8144
FG		 1855// Helper macros to manage transition away from error_code return values.
1856#if defined(BOOST_ASIO_NO_DEPRECATED)
1857# define BOOST_ASIO_SYNC_OP_VOID void
1858# define BOOST_ASIO_SYNC_OP_VOID_RETURN(e) return
1859#else // defined(BOOST_ASIO_NO_DEPRECATED)
1860# define BOOST_ASIO_SYNC_OP_VOID boost::system::error_code
1861# define BOOST_ASIO_SYNC_OP_VOID_RETURN(e) return e
1862#endif // defined(BOOST_ASIO_NO_DEPRECATED)
1863
1864// Newer gcc, clang need special treatment to suppress unused typedef warnings.
1865#if defined(__clang__)
1866# if defined(__apple_build_version__)
1867# if (__clang_major__ >= 7)
1868# define BOOST_ASIO_UNUSED_TYPEDEF __attribute__((__unused__))
1869# endif // (__clang_major__ >= 7)
1870# elif ((__clang_major__ == 3) && (__clang_minor__ >= 6)) \
1871 || (__clang_major__ > 3)
1872# define BOOST_ASIO_UNUSED_TYPEDEF __attribute__((__unused__))
1873# endif // ((__clang_major__ == 3) && (__clang_minor__ >= 6))
1874 // || (__clang_major__ > 3)
1875#elif defined(__GNUC__)
1876# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 8)) || (__GNUC__ > 4)
1877# define BOOST_ASIO_UNUSED_TYPEDEF __attribute__((__unused__))
1878# endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 8)) || (__GNUC__ > 4)
1879#endif // defined(__GNUC__)
1880#if !defined(BOOST_ASIO_UNUSED_TYPEDEF)
1881# define BOOST_ASIO_UNUSED_TYPEDEF
1882#endif // !defined(BOOST_ASIO_UNUSED_TYPEDEF)
1883
1884// Some versions of gcc generate spurious warnings about unused variables.
1885#if defined(__GNUC__)
1886# if (__GNUC__ >= 4)
1887# define BOOST_ASIO_UNUSED_VARIABLE __attribute__((__unused__))
1888# endif // (__GNUC__ >= 4)
1889#endif // defined(__GNUC__)
1890#if !defined(BOOST_ASIO_UNUSED_VARIABLE)
1891# define BOOST_ASIO_UNUSED_VARIABLE
1892#endif // !defined(BOOST_ASIO_UNUSED_VARIABLE)
1893
20effc67 1894// Support the co_await keyword on compilers known to allow it.
11fdf7f2
TL		 1895#if !defined(BOOST_ASIO_HAS_CO_AWAIT)
1896# if !defined(BOOST_ASIO_DISABLE_CO_AWAIT)
1897# if defined(BOOST_ASIO_MSVC)
1e59de90 1898# if (_MSC_VER >= 1928) && (_MSVC_LANG >= 201705) && !defined(__clang__)
20effc67
TL		 1899# define BOOST_ASIO_HAS_CO_AWAIT 1
1900# elif (_MSC_FULL_VER >= 190023506)
11fdf7f2
TL		 1901# if defined(_RESUMABLE_FUNCTIONS_SUPPORTED)
1902# define BOOST_ASIO_HAS_CO_AWAIT 1
1903# endif // defined(_RESUMABLE_FUNCTIONS_SUPPORTED)
1904# endif // (_MSC_FULL_VER >= 190023506)
1e59de90 1905# elif defined(__clang__)
20effc67
TL		 1906# if (__cplusplus >= 201703) && (__cpp_coroutines >= 201703)
1907# if __has_include(<experimental/coroutine>)
1908# define BOOST_ASIO_HAS_CO_AWAIT 1
1909# endif // __has_include(<experimental/coroutine>)
1910# endif // (__cplusplus >= 201703) && (__cpp_coroutines >= 201703)
1911# elif defined(__GNUC__)
1912# if (__cplusplus >= 201709) && (__cpp_impl_coroutine >= 201902)
1913# if __has_include(<coroutine>)
1914# define BOOST_ASIO_HAS_CO_AWAIT 1
1915# endif // __has_include(<coroutine>)
1916# endif // (__cplusplus >= 201709) && (__cpp_impl_coroutine >= 201902)
1917# endif // defined(__GNUC__)
11fdf7f2 1918# endif // !defined(BOOST_ASIO_DISABLE_CO_AWAIT)
11fdf7f2
TL		 1919#endif // !defined(BOOST_ASIO_HAS_CO_AWAIT)
1920
20effc67
TL		 1921// Standard library support for coroutines.
1922#if !defined(BOOST_ASIO_HAS_STD_COROUTINE)
1923# if !defined(BOOST_ASIO_DISABLE_STD_COROUTINE)
1924# if defined(BOOST_ASIO_MSVC)
1925# if (_MSC_VER >= 1928) && (_MSVC_LANG >= 201705)
1926# define BOOST_ASIO_HAS_STD_COROUTINE 1
1927# endif // (_MSC_VER >= 1928) && (_MSVC_LANG >= 201705)
1928# endif // defined(BOOST_ASIO_MSVC)
1929# if defined(__GNUC__)
1930# if (__cplusplus >= 201709) && (__cpp_impl_coroutine >= 201902)
1931# if __has_include(<coroutine>)
1932# define BOOST_ASIO_HAS_STD_COROUTINE 1
1933# endif // __has_include(<coroutine>)
1934# endif // (__cplusplus >= 201709) && (__cpp_impl_coroutine >= 201902)
1935# endif // defined(__GNUC__)
1936# endif // !defined(BOOST_ASIO_DISABLE_STD_COROUTINE)
1937#endif // !defined(BOOST_ASIO_HAS_STD_COROUTINE)
1938
1939// Compiler support for the the [[nodiscard]] attribute.
1940#if !defined(BOOST_ASIO_NODISCARD)
1941# if defined(__has_cpp_attribute)
1942# if __has_cpp_attribute(nodiscard)
1943# if (__cplusplus >= 201703)
1944# define BOOST_ASIO_NODISCARD [[nodiscard]]
1945# endif // (__cplusplus >= 201703)
1946# endif // __has_cpp_attribute(nodiscard)
1947# endif // defined(__has_cpp_attribute)
1948#endif // !defined(BOOST_ASIO_NODISCARD)
1949#if !defined(BOOST_ASIO_NODISCARD)
1950# define BOOST_ASIO_NODISCARD
1951#endif // !defined(BOOST_ASIO_NODISCARD)
1952
1953// Kernel support for MSG_NOSIGNAL.
1954#if !defined(BOOST_ASIO_HAS_MSG_NOSIGNAL)
1955# if defined(__linux__)
1956# define BOOST_ASIO_HAS_MSG_NOSIGNAL 1
1957# elif defined(_POSIX_VERSION)
1958# if (_POSIX_VERSION >= 200809L)
1959# define BOOST_ASIO_HAS_MSG_NOSIGNAL 1
1960# endif // _POSIX_VERSION >= 200809L
1961# endif // defined(_POSIX_VERSION)
1962#endif // !defined(BOOST_ASIO_HAS_MSG_NOSIGNAL)
1963
1e59de90
TL		 1964// Standard library support for std::hash.
1965#if !defined(BOOST_ASIO_HAS_STD_HASH)
1966# if !defined(BOOST_ASIO_DISABLE_STD_HASH)
1967# if defined(__clang__)
1968# if defined(BOOST_ASIO_HAS_CLANG_LIBCXX)
1969# define BOOST_ASIO_HAS_STD_HASH 1
1970# elif (__cplusplus >= 201103)
1971# define BOOST_ASIO_HAS_STD_HASH 1
1972# endif // (__cplusplus >= 201103)
1973# elif defined(__GNUC__)
1974# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4)
1975# if (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
1976# define BOOST_ASIO_HAS_STD_HASH 1
1977# endif // (__cplusplus >= 201103) || defined(__GXX_EXPERIMENTAL_CXX0X__)
1978# endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4)
1979# endif // defined(__GNUC__)
1980# if defined(BOOST_ASIO_MSVC)
1981# if (_MSC_VER >= 1700)
1982# define BOOST_ASIO_HAS_STD_HASH 1
1983# endif // (_MSC_VER >= 1700)
1984# endif // defined(BOOST_ASIO_MSVC)
1985# endif // !defined(BOOST_ASIO_DISABLE_STD_HASH)
1986#endif // !defined(BOOST_ASIO_HAS_STD_HASH)
1987
7c673cae 1988#endif // BOOST_ASIO_DETAIL_CONFIG_HPP
Ceph