nt/inc/sys/socket.h

   1 /* Copyright (C) 1995, 2001-2015 Free Software Foundation, Inc.
   2
   3 This file is part of GNU Emacs.
   4
   5 GNU Emacs is free software: you can redistribute it and/or modify
   6 it under the terms of the GNU General Public License as published by
   7 the Free Software Foundation, either version 3 of the License, or
   8 (at your option) any later version.
   9
  10 GNU Emacs is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
  17
  18
  19 /* Workable version of <sys/socket.h> based on winsock.h */
  20
  21 #ifndef _SOCKET_H_
  22 #define _SOCKET_H_
  23
  24 /* defeat the multiple include protection */
  25 #ifdef _WINSOCKAPI_
  26 #undef _WINSOCKAPI_
  27 #endif
  28 #ifdef _WINSOCK_H
  29 #undef _WINSOCK_H
  30 #endif
  31
  32 /* avoid confusion with our version of select */
  33 #ifdef select
  34 #undef select
  35 #define MUST_REDEF_SELECT
  36 #endif
  37
  38 /* avoid clashing with our version of FD_SET if already defined */
  39 #ifdef FD_SET
  40 #undef FD_SET
  41 #undef FD_CLR
  42 #undef FD_ISSET
  43 #undef FD_ZERO
  44 #endif
  45
  46 /* Avoid duplicate definition of timeval.  MinGW uses _TIMEVAL_DEFINED
  47    in sys/time.h to avoid that.  */
  48 #if defined (HAVE_TIMEVAL) && defined (_MSC_VER)
  49 #define timeval ws_timeval
  50 #endif
  51
  52 #include <winsock2.h>
  53 #include <ws2tcpip.h>
  54 /* process.c uses uint16_t (from C99) for IPv6, but
  55    apparently it is not defined in some versions of mingw and msvc.  */
  56 #ifndef UINT16_C
  57 typedef unsigned short uint16_t;
  58 #endif
  59
  60 /* redefine select to reference our version */
  61 #ifdef MUST_REDEF_SELECT
  62 #define select sys_select
  63 #undef MUST_REDEF_SELECT
  64 #endif
  65
  66 /* Revert to our version of FD_SET, but not when included from test
  67    programs run by configure.  */
  68 #ifdef EMACS_CONFIG_H
  69 #undef FD_SET
  70 #undef FD_CLR
  71 #undef FD_ISSET
  72 #undef FD_ZERO
  73
  74 /* allow us to provide our own version of fd_set */
  75 #define fd_set ws_fd_set
  76 #include "w32.h"
  77 #endif  /* EMACS_CONFIG_H */
  78
  79 #if defined (HAVE_TIMEVAL) && defined (_MSC_VER)
  80 #undef timeval
  81 #endif
  82
  83 /* shadow functions where we provide our own wrapper */
  84 #define socket         sys_socket
  85 #define bind           sys_bind
  86 #define connect        sys_connect
  87 #define htons          sys_htons
  88 #define ntohs          sys_ntohs
  89 #define inet_addr      sys_inet_addr
  90 #define gethostname    sys_gethostname
  91 #define gethostbyname  sys_gethostbyname
  92 #define getpeername    sys_getpeername
  93 #define getservbyname  sys_getservbyname
  94 #define shutdown       sys_shutdown
  95 #define setsockopt     sys_setsockopt
  96 #define listen         sys_listen
  97 #define getsockname    sys_getsockname
  98 #define accept         sys_accept
  99 #define recvfrom       sys_recvfrom
 100 #define sendto         sys_sendto
 101
 102 int sys_socket(int af, int type, int protocol);
 103 int sys_bind (int s, const struct sockaddr *addr, int namelen);
 104 int sys_connect (int s, const struct sockaddr *addr, int namelen);
 105 u_short sys_htons (u_short hostshort);
 106 u_short sys_ntohs (u_short netshort);
 107 unsigned long sys_inet_addr (const char * cp);
 108 int sys_gethostname (char * name, int namelen);
 109 struct hostent * sys_gethostbyname (const char * name);
 110 struct servent * sys_getservbyname (const char * name, const char * proto);
 111 int sys_getpeername (int s, struct sockaddr *addr, int * namelen);
 112 int sys_shutdown (int socket, int how);
 113 int sys_setsockopt (int s, int level, int oname, const void * oval, int olen);
 114 int sys_listen (int s, int backlog);
 115 int sys_getsockname (int s, struct sockaddr * name, int * namelen);
 116 int sys_accept (int s, struct sockaddr *addr, int *addrlen);
 117 int sys_recvfrom (int s, char *buf, int len, int flags,
 118                   struct sockaddr *from, int * fromlen);
 119 int sys_sendto (int s, const char * buf, int len, int flags,
 120                 const struct sockaddr *to, int tolen);
 121
 122 /* In addition to wrappers for the winsock functions, we also provide
 123    an fcntl function, for setting sockets to non-blocking mode.  */
 124 int fcntl (int s, int cmd, int options);
 125 #define F_SETFL   4
 126 #define F_SETFD   2
 127 #define O_NONBLOCK  04000
 128 #define O_CLOEXEC O_NOINHERIT
 129 #define F_DUPFD_CLOEXEC 0x40000000
 130 #define FD_CLOEXEC 1
 131
 132 /* we are providing a real h_errno variable */
 133 #undef h_errno
 134 extern int h_errno;
 135
 136 /* map winsock error codes to standard names */
 137 #if defined(EWOULDBLOCK)
 138 #undef EWOULDBLOCK
 139 #endif
 140 #define EWOULDBLOCK             WSAEWOULDBLOCK
 141 #if defined(EINPROGRESS)
 142 #undef EINPROGRESS
 143 #endif
 144 #define EINPROGRESS             WSAEINPROGRESS
 145 #if defined(EALREADY)
 146 #undef EALREADY
 147 #endif
 148 #define EALREADY                WSAEALREADY
 149 #if defined(ENOTSOCK)
 150 #undef ENOTSOCK
 151 #endif
 152 #define ENOTSOCK                WSAENOTSOCK
 153 #if defined(EDESTADDRREQ)
 154 #undef EDESTADDRREQ
 155 #endif
 156 #define EDESTADDRREQ            WSAEDESTADDRREQ
 157 #if defined(EMSGSIZE)
 158 #undef EMSGSIZE
 159 #endif
 160 #define EMSGSIZE                WSAEMSGSIZE
 161 #if defined(EPROTOTYPE)
 162 #undef EPROTOTYPE
 163 #endif
 164 #define EPROTOTYPE              WSAEPROTOTYPE
 165 #if defined(ENOPROTOOPT)
 166 #undef ENOPROTOOPT
 167 #endif
 168 #define ENOPROTOOPT             WSAENOPROTOOPT
 169 #if defined(EPROTONOSUPPORT)
 170 #undef EPROTONOSUPPORT
 171 #endif
 172 #define EPROTONOSUPPORT         WSAEPROTONOSUPPORT
 173 #if defined(ESOCKTNOSUPPORT)
 174 #undef ESOCKTNOSUPPORT
 175 #endif
 176 #define ESOCKTNOSUPPORT         WSAESOCKTNOSUPPORT
 177 #if defined(EOPNOTSUPP)
 178 #undef EOPNOTSUPP
 179 #endif
 180 #define EOPNOTSUPP              WSAEOPNOTSUPP
 181 #if defined(EPFNOSUPPORT)
 182 #undef EPFNOSUPPORT
 183 #endif
 184 #define EPFNOSUPPORT            WSAEPFNOSUPPORT
 185 #if defined(EAFNOSUPPORT)
 186 #undef EAFNOSUPPORT
 187 #endif
 188 #define EAFNOSUPPORT            WSAEAFNOSUPPORT
 189 #if defined(EADDRINUSE)
 190 #undef EADDRINUSE
 191 #endif
 192 #define EADDRINUSE              WSAEADDRINUSE
 193 #if defined(EADDRNOTAVAIL)
 194 #undef EADDRNOTAVAIL
 195 #endif
 196 #define EADDRNOTAVAIL           WSAEADDRNOTAVAIL
 197 #if defined(ENETDOWN)
 198 #undef ENETDOWN
 199 #endif
 200 #define ENETDOWN                WSAENETDOWN
 201 #if defined(ENETUNREACH)
 202 #undef ENETUNREACH
 203 #endif
 204 #define ENETUNREACH             WSAENETUNREACH
 205 #if defined(ENETRESET)
 206 #undef ENETRESET
 207 #endif
 208 #define ENETRESET               WSAENETRESET
 209 #if defined(ECONNABORTED)
 210 #undef ECONNABORTED
 211 #endif
 212 #define ECONNABORTED            WSAECONNABORTED
 213 #if defined(ECONNRESET)
 214 #undef ECONNRESET
 215 #endif
 216 #define ECONNRESET              WSAECONNRESET
 217 #if defined(ENOBUFS)
 218 #undef ENOBUFS
 219 #endif
 220 #define ENOBUFS                 WSAENOBUFS
 221 #if defined(EISCONN)
 222 #undef EISCONN
 223 #endif
 224 #define EISCONN                 WSAEISCONN
 225 #if defined(ENOTCONN)
 226 #undef ENOTCONN
 227 #endif
 228 #define ENOTCONN                WSAENOTCONN
 229 #if defined(ESHUTDOWN)
 230 #undef ESHUTDOWN
 231 #endif
 232 #define ESHUTDOWN               WSAESHUTDOWN
 233 #if defined(ETOOMANYREFS)
 234 #undef ETOOMANYREFS
 235 #endif
 236 #define ETOOMANYREFS            WSAETOOMANYREFS
 237 #if defined(ETIMEDOUT)
 238 #undef ETIMEDOUT
 239 #endif
 240 #define ETIMEDOUT               WSAETIMEDOUT
 241 #if defined(ECONNREFUSED)
 242 #undef ECONNREFUSED
 243 #endif
 244 #define ECONNREFUSED            WSAECONNREFUSED
 245 #if defined(ELOOP)
 246 #undef ELOOP
 247 #endif
 248 #define ELOOP                   WSAELOOP
 249 /* #define ENAMETOOLONG            WSAENAMETOOLONG */
 250 #if defined(EHOSTDOWN)
 251 #undef EHOSTDOWN
 252 #endif
 253 #define EHOSTDOWN               WSAEHOSTDOWN
 254 #if defined(EHOSTUNREACH)
 255 #undef EHOSTUNREACH
 256 #endif
 257 #define EHOSTUNREACH            WSAEHOSTUNREACH
 258 /* #define ENOTEMPTY               WSAENOTEMPTY */
 259 #if defined(EPROCLIM)
 260 #undef EPROCLIM
 261 #endif
 262 #define EPROCLIM                WSAEPROCLIM
 263 #if defined(EUSERS)
 264 #undef EUSERS
 265 #endif
 266 #define EUSERS                  WSAEUSERS
 267 #if defined(EDQUOT)
 268 #undef EDQUOT
 269 #endif
 270 #define EDQUOT                  WSAEDQUOT
 271 #if defined(ESTALE)
 272 #undef ESTALE
 273 #endif
 274 #define ESTALE                  WSAESTALE
 275 #if defined(EREMOTE)
 276 #undef EREMOTE
 277 #endif
 278 #define EREMOTE                 WSAEREMOTE
 279
 280 #endif /* _SOCKET_H_ */
 281
 282 /* end of socket.h */