root/nt/inc/sys/socket.h

INCLUDED FROM

     1 /* Copyright (C) 1995, 2001-2023 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 (at
     8 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 <https://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 #if defined __MINGW32_VERSION && __MINGW32_VERSION >= 5000002L
    53 /* Need winerror.h before winsock2.h with mingw.org's MinGW 5.x,
    54    otherwise some error codes are not defined.  */
    55 # include <winerror.h>
    56 #endif
    57 #include <winsock2.h>
    58 #include <ws2tcpip.h>
    59 /* process.c uses uint16_t (from C99) for IPv6, but
    60    apparently it is not defined in some versions of mingw and msvc.  */
    61 #include <stdint.h>
    62 #ifndef UINT16_C
    63 typedef unsigned short uint16_t;
    64 #endif
    65 
    66 /* redefine select to reference our version */
    67 #ifdef MUST_REDEF_SELECT
    68 #define select sys_select
    69 #undef MUST_REDEF_SELECT
    70 #endif
    71 
    72 /* Revert to our version of FD_SET, but not when included from test
    73    programs run by configure.  */
    74 #ifdef EMACS_CONFIG_H
    75 #undef FD_SET
    76 #undef FD_CLR
    77 #undef FD_ISSET
    78 #undef FD_ZERO
    79 
    80 /* allow us to provide our own version of fd_set */
    81 #define fd_set ws_fd_set
    82 #include "w32.h"
    83 #endif  /* EMACS_CONFIG_H */
    84 
    85 #if defined (HAVE_TIMEVAL) && defined (_MSC_VER)
    86 #undef timeval
    87 #endif
    88 
    89 /* shadow functions where we provide our own wrapper */
    90 #define socket         sys_socket
    91 #define bind           sys_bind
    92 #define connect        sys_connect
    93 #define htons          sys_htons
    94 #define ntohs          sys_ntohs
    95 #define htonl          sys_htonl
    96 #define ntohl          sys_ntohl
    97 #define inet_addr      sys_inet_addr
    98 #define gethostname    sys_gethostname
    99 #define gethostbyname  sys_gethostbyname
   100 #define getpeername    sys_getpeername
   101 #define getservbyname  sys_getservbyname
   102 #define shutdown       sys_shutdown
   103 #define setsockopt     sys_setsockopt
   104 #define listen         sys_listen
   105 #define getsockname    sys_getsockname
   106 #define accept         sys_accept
   107 #define recvfrom       sys_recvfrom
   108 #define sendto         sys_sendto
   109 #define getaddrinfo    sys_getaddrinfo
   110 #define freeaddrinfo   sys_freeaddrinfo
   111 
   112 int sys_socket(int af, int type, int protocol);
   113 int sys_bind (int s, const struct sockaddr *addr, int namelen);
   114 int sys_connect (int s, const struct sockaddr *addr, int namelen);
   115 u_short sys_htons (u_short hostshort);
   116 u_short sys_ntohs (u_short netshort);
   117 u_long sys_htonl (u_long hostlong);
   118 u_long sys_ntohl (u_long netlong);
   119 unsigned long sys_inet_addr (const char * cp);
   120 int sys_gethostname (char * name, int namelen);
   121 struct hostent * sys_gethostbyname (const char * name);
   122 struct servent * sys_getservbyname (const char * name, const char * proto);
   123 int sys_getpeername (int s, struct sockaddr *addr, int * namelen);
   124 int sys_shutdown (int socket, int how);
   125 int sys_setsockopt (int s, int level, int oname, const void * oval, int olen);
   126 int sys_listen (int s, int backlog);
   127 int sys_getsockname (int s, struct sockaddr * name, int * namelen);
   128 int sys_accept (int s, struct sockaddr *addr, int *addrlen);
   129 int sys_recvfrom (int s, char *buf, int len, int flags,
   130                   struct sockaddr *from, int * fromlen);
   131 int sys_sendto (int s, const char * buf, int len, int flags,
   132                 const struct sockaddr *to, int tolen);
   133 int sys_getaddrinfo (const char * node, const char * service,
   134                      const struct addrinfo * hints, struct addrinfo ** res);
   135 void sys_freeaddrinfo (struct addrinfo * ai);
   136 
   137 /* In addition to wrappers for the winsock functions, we also provide
   138    an fcntl function, for setting sockets to non-blocking mode.  */
   139 int fcntl (int s, int cmd, int options);
   140 #define F_SETFL   4
   141 #define F_SETFD   2
   142 #define O_NONBLOCK  04000
   143 #define O_CLOEXEC O_NOINHERIT
   144 #define F_DUPFD_CLOEXEC 0x40000000
   145 #define FD_CLOEXEC 1
   146 
   147 /* we are providing a real h_errno variable */
   148 #undef h_errno
   149 extern int h_errno;
   150 
   151 /* map winsock error codes to standard names */
   152 #if defined(EWOULDBLOCK)
   153 #undef EWOULDBLOCK
   154 #endif
   155 #define EWOULDBLOCK             WSAEWOULDBLOCK
   156 #if defined(EINPROGRESS)
   157 #undef EINPROGRESS
   158 #endif
   159 #define EINPROGRESS             WSAEINPROGRESS
   160 #if defined(EALREADY)
   161 #undef EALREADY
   162 #endif
   163 #define EALREADY                WSAEALREADY
   164 #if defined(ENOTSOCK)
   165 #undef ENOTSOCK
   166 #endif
   167 #define ENOTSOCK                WSAENOTSOCK
   168 #if defined(EDESTADDRREQ)
   169 #undef EDESTADDRREQ
   170 #endif
   171 #define EDESTADDRREQ            WSAEDESTADDRREQ
   172 #if defined(EMSGSIZE)
   173 #undef EMSGSIZE
   174 #endif
   175 #define EMSGSIZE                WSAEMSGSIZE
   176 #if defined(EPROTOTYPE)
   177 #undef EPROTOTYPE
   178 #endif
   179 #define EPROTOTYPE              WSAEPROTOTYPE
   180 #if defined(ENOPROTOOPT)
   181 #undef ENOPROTOOPT
   182 #endif
   183 #define ENOPROTOOPT             WSAENOPROTOOPT
   184 #if defined(EPROTONOSUPPORT)
   185 #undef EPROTONOSUPPORT
   186 #endif
   187 #define EPROTONOSUPPORT         WSAEPROTONOSUPPORT
   188 #if defined(ESOCKTNOSUPPORT)
   189 #undef ESOCKTNOSUPPORT
   190 #endif
   191 #define ESOCKTNOSUPPORT         WSAESOCKTNOSUPPORT
   192 #if defined(EOPNOTSUPP)
   193 #undef EOPNOTSUPP
   194 #endif
   195 #define EOPNOTSUPP              WSAEOPNOTSUPP
   196 #if defined(EPFNOSUPPORT)
   197 #undef EPFNOSUPPORT
   198 #endif
   199 #define EPFNOSUPPORT            WSAEPFNOSUPPORT
   200 #if defined(EAFNOSUPPORT)
   201 #undef EAFNOSUPPORT
   202 #endif
   203 #define EAFNOSUPPORT            WSAEAFNOSUPPORT
   204 #if defined(EADDRINUSE)
   205 #undef EADDRINUSE
   206 #endif
   207 #define EADDRINUSE              WSAEADDRINUSE
   208 #if defined(EADDRNOTAVAIL)
   209 #undef EADDRNOTAVAIL
   210 #endif
   211 #define EADDRNOTAVAIL           WSAEADDRNOTAVAIL
   212 #if defined(ENETDOWN)
   213 #undef ENETDOWN
   214 #endif
   215 #define ENETDOWN                WSAENETDOWN
   216 #if defined(ENETUNREACH)
   217 #undef ENETUNREACH
   218 #endif
   219 #define ENETUNREACH             WSAENETUNREACH
   220 #if defined(ENETRESET)
   221 #undef ENETRESET
   222 #endif
   223 #define ENETRESET               WSAENETRESET
   224 #if defined(ECONNABORTED)
   225 #undef ECONNABORTED
   226 #endif
   227 #define ECONNABORTED            WSAECONNABORTED
   228 #if defined(ECONNRESET)
   229 #undef ECONNRESET
   230 #endif
   231 #define ECONNRESET              WSAECONNRESET
   232 #if defined(ENOBUFS)
   233 #undef ENOBUFS
   234 #endif
   235 #define ENOBUFS                 WSAENOBUFS
   236 #if defined(EISCONN)
   237 #undef EISCONN
   238 #endif
   239 #define EISCONN                 WSAEISCONN
   240 #if defined(ENOTCONN)
   241 #undef ENOTCONN
   242 #endif
   243 #define ENOTCONN                WSAENOTCONN
   244 #if defined(ESHUTDOWN)
   245 #undef ESHUTDOWN
   246 #endif
   247 #define ESHUTDOWN               WSAESHUTDOWN
   248 #if defined(ETOOMANYREFS)
   249 #undef ETOOMANYREFS
   250 #endif
   251 #define ETOOMANYREFS            WSAETOOMANYREFS
   252 #if defined(ETIMEDOUT)
   253 #undef ETIMEDOUT
   254 #endif
   255 #define ETIMEDOUT               WSAETIMEDOUT
   256 #if defined(ECONNREFUSED)
   257 #undef ECONNREFUSED
   258 #endif
   259 #define ECONNREFUSED            WSAECONNREFUSED
   260 #if defined(ELOOP)
   261 #undef ELOOP
   262 #endif
   263 #define ELOOP                   WSAELOOP
   264 /* #define ENAMETOOLONG            WSAENAMETOOLONG */
   265 #if defined(EHOSTDOWN)
   266 #undef EHOSTDOWN
   267 #endif
   268 #define EHOSTDOWN               WSAEHOSTDOWN
   269 #if defined(EHOSTUNREACH)
   270 #undef EHOSTUNREACH
   271 #endif
   272 #define EHOSTUNREACH            WSAEHOSTUNREACH
   273 /* #define ENOTEMPTY               WSAENOTEMPTY */
   274 #if defined(EPROCLIM)
   275 #undef EPROCLIM
   276 #endif
   277 #define EPROCLIM                WSAEPROCLIM
   278 #if defined(EUSERS)
   279 #undef EUSERS
   280 #endif
   281 #define EUSERS                  WSAEUSERS
   282 #if defined(EDQUOT)
   283 #undef EDQUOT
   284 #endif
   285 #define EDQUOT                  WSAEDQUOT
   286 #if defined(ESTALE)
   287 #undef ESTALE
   288 #endif
   289 #define ESTALE                  WSAESTALE
   290 #if defined(EREMOTE)
   291 #undef EREMOTE
   292 #endif
   293 #define EREMOTE                 WSAEREMOTE
   294 
   295 #endif /* _SOCKET_H_ */
   296 
   297 /* end of socket.h */