1//
2// detail/socket_types.hpp
3// ~~~~~~~~~~~~~~~~~~~~~~~
4//
5// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
6//
7// Distributed under the Boost Software License, Version 1.0. (See accompanying
8// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
9//
10
11#ifndef BOOST_ASIO_DETAIL_SOCKET_TYPES_HPP
12#define BOOST_ASIO_DETAIL_SOCKET_TYPES_HPP
13
14#if defined(_MSC_VER) && (_MSC_VER >= 1200)
15# pragma once
16#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
17
18#include <boost/asio/detail/config.hpp>
19
20#if defined(BOOST_ASIO_WINDOWS_RUNTIME)
21// Empty.
22#elif defined(BOOST_ASIO_WINDOWS) || defined(__CYGWIN__)
23# if defined(_WINSOCKAPI_) && !defined(_WINSOCK2API_)
24# error WinSock.h has already been included
25# endif // defined(_WINSOCKAPI_) && !defined(_WINSOCK2API_)
26# if defined(__BORLANDC__)
27# include <stdlib.h> // Needed for __errno
28# if !defined(_WSPIAPI_H_)
29# define _WSPIAPI_H_
30# define BOOST_ASIO_WSPIAPI_H_DEFINED
31# endif // !defined(_WSPIAPI_H_)
32# endif // defined(__BORLANDC__)
33# include <winsock2.h>
34# include <ws2tcpip.h>
35# if defined(WINAPI_FAMILY)
36# if ((WINAPI_FAMILY & WINAPI_PARTITION_DESKTOP) != 0)
37# include <windows.h>
38# endif // ((WINAPI_FAMILY & WINAPI_PARTITION_DESKTOP) != 0)
39# endif // defined(WINAPI_FAMILY)
40# if !defined(BOOST_ASIO_WINDOWS_APP)
41# include <mswsock.h>
42# endif // !defined(BOOST_ASIO_WINDOWS_APP)
43# if defined(BOOST_ASIO_WSPIAPI_H_DEFINED)
44# undef _WSPIAPI_H_
45# undef BOOST_ASIO_WSPIAPI_H_DEFINED
46# endif // defined(BOOST_ASIO_WSPIAPI_H_DEFINED)
47# if !defined(BOOST_ASIO_NO_DEFAULT_LINKED_LIBS)
48# if defined(UNDER_CE)
49# pragma comment(lib, "ws2.lib")
50# elif defined(_MSC_VER) || defined(__BORLANDC__)
51# pragma comment(lib, "ws2_32.lib")
52# if !defined(BOOST_ASIO_WINDOWS_APP)
53# pragma comment(lib, "mswsock.lib")
54# endif // !defined(BOOST_ASIO_WINDOWS_APP)
55# endif // defined(_MSC_VER) || defined(__BORLANDC__)
56# endif // !defined(BOOST_ASIO_NO_DEFAULT_LINKED_LIBS)
57# include <boost/asio/detail/old_win_sdk_compat.hpp>
58#else
59# include <sys/ioctl.h>
60# if (defined(__MACH__) && defined(__APPLE__)) \
61 || defined(__FreeBSD__) || defined(__NetBSD__) \
62 || defined(__OpenBSD__) || defined(__linux__) \
63 || defined(__EMSCRIPTEN__)
64# include <poll.h>
65# elif !defined(__SYMBIAN32__)
66# include <sys/poll.h>
67# endif
68# include <sys/types.h>
69# include <sys/stat.h>
70# include <fcntl.h>
71# if defined(__hpux)
72# include <sys/time.h>
73# endif
74# if !defined(__hpux) || defined(__SELECT)
75# include <sys/select.h>
76# endif
77# include <sys/socket.h>
78# include <sys/uio.h>
79# include <sys/un.h>
80# include <netinet/in.h>
81# if !defined(__SYMBIAN32__)
82# include <netinet/tcp.h>
83# endif
84# include <arpa/inet.h>
85# include <netdb.h>
86# include <net/if.h>
87# include <limits.h>
88# if defined(__sun)
89# include <sys/filio.h>
90# include <sys/sockio.h>
91# endif
92# include <signal.h>
93#endif
94
95#include <boost/asio/detail/push_options.hpp>
96
97namespace boost {
98namespace asio {
99namespace detail {
100
101#if defined(BOOST_ASIO_WINDOWS_RUNTIME)
102const int max_addr_v4_str_len = 256;
103const int max_addr_v6_str_len = 256;
104typedef unsigned __int32 u_long_type;
105typedef unsigned __int16 u_short_type;
106struct in4_addr_type { u_long_type s_addr; };
107struct in4_mreq_type { in4_addr_type imr_multiaddr, imr_interface; };
108struct in6_addr_type { unsigned char s6_addr[16]; };
109struct in6_mreq_type { in6_addr_type ipv6mr_multiaddr;
110 unsigned long ipv6mr_interface; };
111struct socket_addr_type { int sa_family; };
112struct sockaddr_in4_type { int sin_family;
113 in4_addr_type sin_addr; u_short_type sin_port; };
114struct sockaddr_in6_type { int sin6_family;
115 in6_addr_type sin6_addr; u_short_type sin6_port;
116 u_long_type sin6_flowinfo; u_long_type sin6_scope_id; };
117struct sockaddr_storage_type { int ss_family;
118 unsigned char ss_bytes[128 - sizeof(int)]; };
119struct addrinfo_type { int ai_flags;
120 int ai_family, ai_socktype, ai_protocol;
121 int ai_addrlen; const void* ai_addr;
122 const char* ai_canonname; addrinfo_type* ai_next; };
123struct linger_type { u_short_type l_onoff, l_linger; };
124typedef u_long_type ioctl_arg_type;
125typedef int signed_size_type;
126# define BOOST_ASIO_OS_DEF(c) BOOST_ASIO_OS_DEF_##c
127# define BOOST_ASIO_OS_DEF_AF_UNSPEC 0
128# define BOOST_ASIO_OS_DEF_AF_INET 2
129# define BOOST_ASIO_OS_DEF_AF_INET6 23
130# define BOOST_ASIO_OS_DEF_SOCK_STREAM 1
131# define BOOST_ASIO_OS_DEF_SOCK_DGRAM 2
132# define BOOST_ASIO_OS_DEF_SOCK_RAW 3
133# define BOOST_ASIO_OS_DEF_SOCK_SEQPACKET 5
134# define BOOST_ASIO_OS_DEF_IPPROTO_IP 0
135# define BOOST_ASIO_OS_DEF_IPPROTO_IPV6 41
136# define BOOST_ASIO_OS_DEF_IPPROTO_TCP 6
137# define BOOST_ASIO_OS_DEF_IPPROTO_UDP 17
138# define BOOST_ASIO_OS_DEF_IPPROTO_ICMP 1
139# define BOOST_ASIO_OS_DEF_IPPROTO_ICMPV6 58
140# define BOOST_ASIO_OS_DEF_FIONBIO 1
141# define BOOST_ASIO_OS_DEF_FIONREAD 2
142# define BOOST_ASIO_OS_DEF_INADDR_ANY 0
143# define BOOST_ASIO_OS_DEF_MSG_OOB 0x1
144# define BOOST_ASIO_OS_DEF_MSG_PEEK 0x2
145# define BOOST_ASIO_OS_DEF_MSG_DONTROUTE 0x4
146# define BOOST_ASIO_OS_DEF_MSG_EOR 0 // Not supported.
147# define BOOST_ASIO_OS_DEF_SHUT_RD 0x0
148# define BOOST_ASIO_OS_DEF_SHUT_WR 0x1
149# define BOOST_ASIO_OS_DEF_SHUT_RDWR 0x2
150# define BOOST_ASIO_OS_DEF_SOMAXCONN 0x7fffffff
151# define BOOST_ASIO_OS_DEF_SOL_SOCKET 0xffff
152# define BOOST_ASIO_OS_DEF_SO_BROADCAST 0x20
153# define BOOST_ASIO_OS_DEF_SO_DEBUG 0x1
154# define BOOST_ASIO_OS_DEF_SO_DONTROUTE 0x10
155# define BOOST_ASIO_OS_DEF_SO_KEEPALIVE 0x8
156# define BOOST_ASIO_OS_DEF_SO_LINGER 0x80
157# define BOOST_ASIO_OS_DEF_SO_OOBINLINE 0x100
158# define BOOST_ASIO_OS_DEF_SO_SNDBUF 0x1001
159# define BOOST_ASIO_OS_DEF_SO_RCVBUF 0x1002
160# define BOOST_ASIO_OS_DEF_SO_SNDLOWAT 0x1003
161# define BOOST_ASIO_OS_DEF_SO_RCVLOWAT 0x1004
162# define BOOST_ASIO_OS_DEF_SO_REUSEADDR 0x4
163# define BOOST_ASIO_OS_DEF_TCP_NODELAY 0x1
164# define BOOST_ASIO_OS_DEF_IP_MULTICAST_IF 2
165# define BOOST_ASIO_OS_DEF_IP_MULTICAST_TTL 3
166# define BOOST_ASIO_OS_DEF_IP_MULTICAST_LOOP 4
167# define BOOST_ASIO_OS_DEF_IP_ADD_MEMBERSHIP 5
168# define BOOST_ASIO_OS_DEF_IP_DROP_MEMBERSHIP 6
169# define BOOST_ASIO_OS_DEF_IP_TTL 7
170# define BOOST_ASIO_OS_DEF_IPV6_UNICAST_HOPS 4
171# define BOOST_ASIO_OS_DEF_IPV6_MULTICAST_IF 9
172# define BOOST_ASIO_OS_DEF_IPV6_MULTICAST_HOPS 10
173# define BOOST_ASIO_OS_DEF_IPV6_MULTICAST_LOOP 11
174# define BOOST_ASIO_OS_DEF_IPV6_JOIN_GROUP 12
175# define BOOST_ASIO_OS_DEF_IPV6_LEAVE_GROUP 13
176# define BOOST_ASIO_OS_DEF_AI_CANONNAME 0x2
177# define BOOST_ASIO_OS_DEF_AI_PASSIVE 0x1
178# define BOOST_ASIO_OS_DEF_AI_NUMERICHOST 0x4
179# define BOOST_ASIO_OS_DEF_AI_NUMERICSERV 0x8
180# define BOOST_ASIO_OS_DEF_AI_V4MAPPED 0x800
181# define BOOST_ASIO_OS_DEF_AI_ALL 0x100
182# define BOOST_ASIO_OS_DEF_AI_ADDRCONFIG 0x400
183# define BOOST_ASIO_OS_DEF_SA_RESTART 0x1
184# define BOOST_ASIO_OS_DEF_SA_NOCLDSTOP 0x2
185# define BOOST_ASIO_OS_DEF_SA_NOCLDWAIT 0x4
186#elif defined(BOOST_ASIO_WINDOWS) || defined(__CYGWIN__)
187typedef SOCKET socket_type;
188const SOCKET invalid_socket = INVALID_SOCKET;
189const int socket_error_retval = SOCKET_ERROR;
190const int max_addr_v4_str_len = 256;
191const int max_addr_v6_str_len = 256;
192typedef sockaddr socket_addr_type;
193typedef in_addr in4_addr_type;
194typedef ip_mreq in4_mreq_type;
195typedef sockaddr_in sockaddr_in4_type;
196# if defined(BOOST_ASIO_HAS_OLD_WIN_SDK)
197typedef in6_addr_emulation in6_addr_type;
198typedef ipv6_mreq_emulation in6_mreq_type;
199typedef sockaddr_in6_emulation sockaddr_in6_type;
200typedef sockaddr_storage_emulation sockaddr_storage_type;
201typedef addrinfo_emulation addrinfo_type;
202# else
203typedef in6_addr in6_addr_type;
204typedef ipv6_mreq in6_mreq_type;
205typedef sockaddr_in6 sockaddr_in6_type;
206typedef sockaddr_storage sockaddr_storage_type;
207typedef addrinfo addrinfo_type;
208# endif
209typedef ::linger linger_type;
210typedef unsigned long ioctl_arg_type;
211typedef u_long u_long_type;
212typedef u_short u_short_type;
213typedef int signed_size_type;
214struct sockaddr_un_type { u_short sun_family; char sun_path[108]; };
215# define BOOST_ASIO_OS_DEF(c) BOOST_ASIO_OS_DEF_##c
216# define BOOST_ASIO_OS_DEF_AF_UNSPEC AF_UNSPEC
217# define BOOST_ASIO_OS_DEF_AF_INET AF_INET
218# define BOOST_ASIO_OS_DEF_AF_INET6 AF_INET6
219# define BOOST_ASIO_OS_DEF_SOCK_STREAM SOCK_STREAM
220# define BOOST_ASIO_OS_DEF_SOCK_DGRAM SOCK_DGRAM
221# define BOOST_ASIO_OS_DEF_SOCK_RAW SOCK_RAW
222# define BOOST_ASIO_OS_DEF_SOCK_SEQPACKET SOCK_SEQPACKET
223# define BOOST_ASIO_OS_DEF_IPPROTO_IP IPPROTO_IP
224# define BOOST_ASIO_OS_DEF_IPPROTO_IPV6 IPPROTO_IPV6
225# define BOOST_ASIO_OS_DEF_IPPROTO_TCP IPPROTO_TCP
226# define BOOST_ASIO_OS_DEF_IPPROTO_UDP IPPROTO_UDP
227# define BOOST_ASIO_OS_DEF_IPPROTO_ICMP IPPROTO_ICMP
228# define BOOST_ASIO_OS_DEF_IPPROTO_ICMPV6 IPPROTO_ICMPV6
229# define BOOST_ASIO_OS_DEF_FIONBIO FIONBIO
230# define BOOST_ASIO_OS_DEF_FIONREAD FIONREAD
231# define BOOST_ASIO_OS_DEF_INADDR_ANY INADDR_ANY
232# define BOOST_ASIO_OS_DEF_MSG_OOB MSG_OOB
233# define BOOST_ASIO_OS_DEF_MSG_PEEK MSG_PEEK
234# define BOOST_ASIO_OS_DEF_MSG_DONTROUTE MSG_DONTROUTE
235# define BOOST_ASIO_OS_DEF_MSG_EOR 0 // Not supported on Windows.
236# define BOOST_ASIO_OS_DEF_SHUT_RD SD_RECEIVE
237# define BOOST_ASIO_OS_DEF_SHUT_WR SD_SEND
238# define BOOST_ASIO_OS_DEF_SHUT_RDWR SD_BOTH
239# define BOOST_ASIO_OS_DEF_SOMAXCONN SOMAXCONN
240# define BOOST_ASIO_OS_DEF_SOL_SOCKET SOL_SOCKET
241# define BOOST_ASIO_OS_DEF_SO_BROADCAST SO_BROADCAST
242# define BOOST_ASIO_OS_DEF_SO_DEBUG SO_DEBUG
243# define BOOST_ASIO_OS_DEF_SO_DONTROUTE SO_DONTROUTE
244# define BOOST_ASIO_OS_DEF_SO_KEEPALIVE SO_KEEPALIVE
245# define BOOST_ASIO_OS_DEF_SO_LINGER SO_LINGER
246# define BOOST_ASIO_OS_DEF_SO_OOBINLINE SO_OOBINLINE
247# define BOOST_ASIO_OS_DEF_SO_SNDBUF SO_SNDBUF
248# define BOOST_ASIO_OS_DEF_SO_RCVBUF SO_RCVBUF
249# define BOOST_ASIO_OS_DEF_SO_SNDLOWAT SO_SNDLOWAT
250# define BOOST_ASIO_OS_DEF_SO_RCVLOWAT SO_RCVLOWAT
251# define BOOST_ASIO_OS_DEF_SO_REUSEADDR SO_REUSEADDR
252# define BOOST_ASIO_OS_DEF_TCP_NODELAY TCP_NODELAY
253# define BOOST_ASIO_OS_DEF_IP_MULTICAST_IF IP_MULTICAST_IF
254# define BOOST_ASIO_OS_DEF_IP_MULTICAST_TTL IP_MULTICAST_TTL
255# define BOOST_ASIO_OS_DEF_IP_MULTICAST_LOOP IP_MULTICAST_LOOP
256# define BOOST_ASIO_OS_DEF_IP_ADD_MEMBERSHIP IP_ADD_MEMBERSHIP
257# define BOOST_ASIO_OS_DEF_IP_DROP_MEMBERSHIP IP_DROP_MEMBERSHIP
258# define BOOST_ASIO_OS_DEF_IP_TTL IP_TTL
259# define BOOST_ASIO_OS_DEF_IPV6_UNICAST_HOPS IPV6_UNICAST_HOPS
260# define BOOST_ASIO_OS_DEF_IPV6_MULTICAST_IF IPV6_MULTICAST_IF
261# define BOOST_ASIO_OS_DEF_IPV6_MULTICAST_HOPS IPV6_MULTICAST_HOPS
262# define BOOST_ASIO_OS_DEF_IPV6_MULTICAST_LOOP IPV6_MULTICAST_LOOP
263# define BOOST_ASIO_OS_DEF_IPV6_JOIN_GROUP IPV6_JOIN_GROUP
264# define BOOST_ASIO_OS_DEF_IPV6_LEAVE_GROUP IPV6_LEAVE_GROUP
265# define BOOST_ASIO_OS_DEF_AI_CANONNAME AI_CANONNAME
266# define BOOST_ASIO_OS_DEF_AI_PASSIVE AI_PASSIVE
267# define BOOST_ASIO_OS_DEF_AI_NUMERICHOST AI_NUMERICHOST
268# if defined(AI_NUMERICSERV)
269# define BOOST_ASIO_OS_DEF_AI_NUMERICSERV AI_NUMERICSERV
270# else
271# define BOOST_ASIO_OS_DEF_AI_NUMERICSERV 0
272# endif
273# if defined(AI_V4MAPPED)
274# define BOOST_ASIO_OS_DEF_AI_V4MAPPED AI_V4MAPPED
275# else
276# define BOOST_ASIO_OS_DEF_AI_V4MAPPED 0
277# endif
278# if defined(AI_ALL)
279# define BOOST_ASIO_OS_DEF_AI_ALL AI_ALL
280# else
281# define BOOST_ASIO_OS_DEF_AI_ALL 0
282# endif
283# if defined(AI_ADDRCONFIG)
284# define BOOST_ASIO_OS_DEF_AI_ADDRCONFIG AI_ADDRCONFIG
285# else
286# define BOOST_ASIO_OS_DEF_AI_ADDRCONFIG 0
287# endif
288# if defined (_WIN32_WINNT)
289const int max_iov_len = 64;
290# else
291const int max_iov_len = 16;
292# endif
293# define BOOST_ASIO_OS_DEF_SA_RESTART 0x1
294# define BOOST_ASIO_OS_DEF_SA_NOCLDSTOP 0x2
295# define BOOST_ASIO_OS_DEF_SA_NOCLDWAIT 0x4
296#else
297typedef int socket_type;
298const int invalid_socket = -1;
299const int socket_error_retval = -1;
300const int max_addr_v4_str_len = INET_ADDRSTRLEN;
301#if defined(INET6_ADDRSTRLEN)
302const int max_addr_v6_str_len = INET6_ADDRSTRLEN + 1 + IF_NAMESIZE;
303#else // defined(INET6_ADDRSTRLEN)
304const int max_addr_v6_str_len = 256;
305#endif // defined(INET6_ADDRSTRLEN)
306typedef sockaddr socket_addr_type;
307typedef in_addr in4_addr_type;
308# if defined(__hpux)
309// HP-UX doesn't provide ip_mreq when _XOPEN_SOURCE_EXTENDED is defined.
310struct in4_mreq_type
311{
312 struct in_addr imr_multiaddr;
313 struct in_addr imr_interface;
314};
315# else
316typedef ip_mreq in4_mreq_type;
317# endif
318typedef sockaddr_in sockaddr_in4_type;
319typedef in6_addr in6_addr_type;
320typedef ipv6_mreq in6_mreq_type;
321typedef sockaddr_in6 sockaddr_in6_type;
322typedef sockaddr_storage sockaddr_storage_type;
323typedef sockaddr_un sockaddr_un_type;
324typedef addrinfo addrinfo_type;
325typedef ::linger linger_type;
326typedef int ioctl_arg_type;
327typedef uint32_t u_long_type;
328typedef uint16_t u_short_type;
329#if defined(BOOST_ASIO_HAS_SSIZE_T)
330typedef ssize_t signed_size_type;
331#else // defined(BOOST_ASIO_HAS_SSIZE_T)
332typedef int signed_size_type;
333#endif // defined(BOOST_ASIO_HAS_SSIZE_T)
334# define BOOST_ASIO_OS_DEF(c) BOOST_ASIO_OS_DEF_##c
335# define BOOST_ASIO_OS_DEF_AF_UNSPEC AF_UNSPEC
336# define BOOST_ASIO_OS_DEF_AF_INET AF_INET
337# define BOOST_ASIO_OS_DEF_AF_INET6 AF_INET6
338# define BOOST_ASIO_OS_DEF_SOCK_STREAM SOCK_STREAM
339# define BOOST_ASIO_OS_DEF_SOCK_DGRAM SOCK_DGRAM
340# define BOOST_ASIO_OS_DEF_SOCK_RAW SOCK_RAW
341# define BOOST_ASIO_OS_DEF_SOCK_SEQPACKET SOCK_SEQPACKET
342# define BOOST_ASIO_OS_DEF_IPPROTO_IP IPPROTO_IP
343# define BOOST_ASIO_OS_DEF_IPPROTO_IPV6 IPPROTO_IPV6
344# define BOOST_ASIO_OS_DEF_IPPROTO_TCP IPPROTO_TCP
345# define BOOST_ASIO_OS_DEF_IPPROTO_UDP IPPROTO_UDP
346# define BOOST_ASIO_OS_DEF_IPPROTO_ICMP IPPROTO_ICMP
347# define BOOST_ASIO_OS_DEF_IPPROTO_ICMPV6 IPPROTO_ICMPV6
348# define BOOST_ASIO_OS_DEF_FIONBIO FIONBIO
349# define BOOST_ASIO_OS_DEF_FIONREAD FIONREAD
350# define BOOST_ASIO_OS_DEF_INADDR_ANY INADDR_ANY
351# define BOOST_ASIO_OS_DEF_MSG_OOB MSG_OOB
352# define BOOST_ASIO_OS_DEF_MSG_PEEK MSG_PEEK
353# define BOOST_ASIO_OS_DEF_MSG_DONTROUTE MSG_DONTROUTE
354# define BOOST_ASIO_OS_DEF_MSG_EOR MSG_EOR
355# define BOOST_ASIO_OS_DEF_SHUT_RD SHUT_RD
356# define BOOST_ASIO_OS_DEF_SHUT_WR SHUT_WR
357# define BOOST_ASIO_OS_DEF_SHUT_RDWR SHUT_RDWR
358# define BOOST_ASIO_OS_DEF_SOMAXCONN SOMAXCONN
359# define BOOST_ASIO_OS_DEF_SOL_SOCKET SOL_SOCKET
360# define BOOST_ASIO_OS_DEF_SO_BROADCAST SO_BROADCAST
361# define BOOST_ASIO_OS_DEF_SO_DEBUG SO_DEBUG
362# define BOOST_ASIO_OS_DEF_SO_DONTROUTE SO_DONTROUTE
363# define BOOST_ASIO_OS_DEF_SO_KEEPALIVE SO_KEEPALIVE
364# define BOOST_ASIO_OS_DEF_SO_LINGER SO_LINGER
365# define BOOST_ASIO_OS_DEF_SO_OOBINLINE SO_OOBINLINE
366# define BOOST_ASIO_OS_DEF_SO_SNDBUF SO_SNDBUF
367# define BOOST_ASIO_OS_DEF_SO_RCVBUF SO_RCVBUF
368# define BOOST_ASIO_OS_DEF_SO_SNDLOWAT SO_SNDLOWAT
369# define BOOST_ASIO_OS_DEF_SO_RCVLOWAT SO_RCVLOWAT
370# define BOOST_ASIO_OS_DEF_SO_REUSEADDR SO_REUSEADDR
371# define BOOST_ASIO_OS_DEF_TCP_NODELAY TCP_NODELAY
372# define BOOST_ASIO_OS_DEF_IP_MULTICAST_IF IP_MULTICAST_IF
373# define BOOST_ASIO_OS_DEF_IP_MULTICAST_TTL IP_MULTICAST_TTL
374# define BOOST_ASIO_OS_DEF_IP_MULTICAST_LOOP IP_MULTICAST_LOOP
375# define BOOST_ASIO_OS_DEF_IP_ADD_MEMBERSHIP IP_ADD_MEMBERSHIP
376# define BOOST_ASIO_OS_DEF_IP_DROP_MEMBERSHIP IP_DROP_MEMBERSHIP
377# define BOOST_ASIO_OS_DEF_IP_TTL IP_TTL
378# define BOOST_ASIO_OS_DEF_IPV6_UNICAST_HOPS IPV6_UNICAST_HOPS
379# define BOOST_ASIO_OS_DEF_IPV6_MULTICAST_IF IPV6_MULTICAST_IF
380# define BOOST_ASIO_OS_DEF_IPV6_MULTICAST_HOPS IPV6_MULTICAST_HOPS
381# define BOOST_ASIO_OS_DEF_IPV6_MULTICAST_LOOP IPV6_MULTICAST_LOOP
382# define BOOST_ASIO_OS_DEF_IPV6_JOIN_GROUP IPV6_JOIN_GROUP
383# define BOOST_ASIO_OS_DEF_IPV6_LEAVE_GROUP IPV6_LEAVE_GROUP
384# define BOOST_ASIO_OS_DEF_AI_CANONNAME AI_CANONNAME
385# define BOOST_ASIO_OS_DEF_AI_PASSIVE AI_PASSIVE
386# define BOOST_ASIO_OS_DEF_AI_NUMERICHOST AI_NUMERICHOST
387# if defined(AI_NUMERICSERV)
388# define BOOST_ASIO_OS_DEF_AI_NUMERICSERV AI_NUMERICSERV
389# else
390# define BOOST_ASIO_OS_DEF_AI_NUMERICSERV 0
391# endif
392// Note: QNX Neutrino 6.3 defines AI_V4MAPPED, AI_ALL and AI_ADDRCONFIG but
393// does not implement them. Therefore they are specifically excluded here.
394# if defined(AI_V4MAPPED) && !defined(__QNXNTO__)
395# define BOOST_ASIO_OS_DEF_AI_V4MAPPED AI_V4MAPPED
396# else
397# define BOOST_ASIO_OS_DEF_AI_V4MAPPED 0
398# endif
399# if defined(AI_ALL) && !defined(__QNXNTO__)
400# define BOOST_ASIO_OS_DEF_AI_ALL AI_ALL
401# else
402# define BOOST_ASIO_OS_DEF_AI_ALL 0
403# endif
404# if defined(AI_ADDRCONFIG) && !defined(__QNXNTO__)
405# define BOOST_ASIO_OS_DEF_AI_ADDRCONFIG AI_ADDRCONFIG
406# else
407# define BOOST_ASIO_OS_DEF_AI_ADDRCONFIG 0
408# endif
409# if defined(IOV_MAX)
410const int max_iov_len = IOV_MAX;
411# else
412// POSIX platforms are not required to define IOV_MAX.
413const int max_iov_len = 16;
414# endif
415# define BOOST_ASIO_OS_DEF_SA_RESTART SA_RESTART
416# define BOOST_ASIO_OS_DEF_SA_NOCLDSTOP SA_NOCLDSTOP
417# define BOOST_ASIO_OS_DEF_SA_NOCLDWAIT SA_NOCLDWAIT
418#endif
419const int custom_socket_option_level = 0xA5100000;
420const int enable_connection_aborted_option = 1;
421const int always_fail_option = 2;
422
423} // namespace detail
424} // namespace asio
425} // namespace boost
426
427#include <boost/asio/detail/pop_options.hpp>
428
429#endif // BOOST_ASIO_DETAIL_SOCKET_TYPES_HPP
430

source code of boost/libs/asio/include/boost/asio/detail/socket_types.hpp