nt/inc/sys/socket.h

   1 /* Copyright (C) 1995, 2001-2011  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 */
  47 #ifdef HAVE_TIMEVAL
  48 #define timeval ws_timeval
  49 #endif
  50
  51 #include <winsock2.h>
  52 #include <ws2tcpip.h>
  53 /* process.c uses uint16_t (from C99) for IPv6, but
  54    apparently it is not defined in some versions of mingw and msvc.  */
  55 #ifndef UINT16_C
  56 typedef unsigned short uint16_t;
  57 #endif
  58
  59 /* redefine select to reference our version */
  60 #ifdef MUST_REDEF_SELECT
  61 #define select sys_select
  62 #undef MUST_REDEF_SELECT
  63 #endif
  64
  65 /* revert to our version of FD_SET */
  66 #undef FD_SET
  67 #undef FD_CLR
  68 #undef FD_ISSET
  69 #undef FD_ZERO
  70
  71 /* allow us to provide our own version of fd_set */
  72 #define fd_set ws_fd_set
  73 #include "w32.h"
  74
  75 #ifdef HAVE_TIMEVAL
  76 #undef timeval
  77 #endif
  78
  79 /* shadow functions where we provide our own wrapper */
  80 #define socket         sys_socket
  81 #define bind           sys_bind
  82 #define connect        sys_connect
  83 #define htons          sys_htons
  84 #define ntohs          sys_ntohs
  85 #define inet_addr      sys_inet_addr
  86 #define gethostname    sys_gethostname
  87 #define gethostbyname  sys_gethostbyname
  88 #define getpeername    sys_getpeername
  89 #define getservbyname  sys_getservbyname
  90 #define shutdown       sys_shutdown
  91 #define setsockopt     sys_setsockopt
  92 #define listen         sys_listen
  93 #define getsockname    sys_getsockname
  94 #define accept         sys_accept
  95 #define recvfrom       sys_recvfrom
  96 #define sendto         sys_sendto
  97
  98 int sys_socket(int af, int type, int protocol);
  99 int sys_bind (int s, const struct sockaddr *addr, int namelen);
 100 int sys_connect (int s, const struct sockaddr *addr, int namelen);
 101 u_short sys_htons (u_short hostshort);
 102 u_short sys_ntohs (u_short netshort);
 103 unsigned long sys_inet_addr (const char * cp);
 104 int sys_gethostname (char * name, int namelen);
 105 struct hostent * sys_gethostbyname (const char * name);
 106 struct servent * sys_getservbyname (const char * name, const char * proto);
 107 int sys_getpeername (int s, struct sockaddr *addr, int * namelen);
 108 int sys_shutdown (int socket, int how);
 109 int sys_setsockopt (int s, int level, int oname, const void * oval, int olen);
 110 int sys_listen (int s, int backlog);
 111 int sys_getsockname (int s, struct sockaddr * name, int * namelen);
 112 int sys_accept (int s, struct sockaddr *addr, int *addrlen);
 113 int sys_recvfrom (int s, char *buf, int len, int flags,
 114                   struct sockaddr *from, int * fromlen);
 115 int sys_sendto (int s, const char * buf, int len, int flags,
 116                 const struct sockaddr *to, int tolen);
 117
 118 /* In addition to wrappers for the winsock functions, we also provide
 119    an fcntl function, for setting sockets to non-blocking mode.  */
 120 int fcntl (int s, int cmd, int options);
 121 #define F_SETFL   4
 122 #define O_NDELAY  04000
 123
 124 /* we are providing a real h_errno variable */
 125 #undef h_errno
 126 extern int h_errno;
 127
 128 /* map winsock error codes to standard names */
 129 #define EWOULDBLOCK             WSAEWOULDBLOCK
 130 #define EINPROGRESS             WSAEINPROGRESS
 131 #define EALREADY                WSAEALREADY
 132 #define ENOTSOCK                WSAENOTSOCK
 133 #define EDESTADDRREQ            WSAEDESTADDRREQ
 134 #define EMSGSIZE                WSAEMSGSIZE
 135 #define EPROTOTYPE              WSAEPROTOTYPE
 136 #define ENOPROTOOPT             WSAENOPROTOOPT
 137 #define EPROTONOSUPPORT         WSAEPROTONOSUPPORT
 138 #define ESOCKTNOSUPPORT         WSAESOCKTNOSUPPORT
 139 #define EOPNOTSUPP              WSAEOPNOTSUPP
 140 #define EPFNOSUPPORT            WSAEPFNOSUPPORT
 141 #define EAFNOSUPPORT            WSAEAFNOSUPPORT
 142 #define EADDRINUSE              WSAEADDRINUSE
 143 #define EADDRNOTAVAIL           WSAEADDRNOTAVAIL
 144 #define ENETDOWN                WSAENETDOWN
 145 #define ENETUNREACH             WSAENETUNREACH
 146 #define ENETRESET               WSAENETRESET
 147 #define ECONNABORTED            WSAECONNABORTED
 148 #define ECONNRESET              WSAECONNRESET
 149 #define ENOBUFS                 WSAENOBUFS
 150 #define EISCONN                 WSAEISCONN
 151 #define ENOTCONN                WSAENOTCONN
 152 #define ESHUTDOWN               WSAESHUTDOWN
 153 #define ETOOMANYREFS            WSAETOOMANYREFS
 154 #define ETIMEDOUT               WSAETIMEDOUT
 155 #define ECONNREFUSED            WSAECONNREFUSED
 156 #define ELOOP                   WSAELOOP
 157 /* #define ENAMETOOLONG            WSAENAMETOOLONG */
 158 #define EHOSTDOWN               WSAEHOSTDOWN
 159 #define EHOSTUNREACH            WSAEHOSTUNREACH
 160 /* #define ENOTEMPTY               WSAENOTEMPTY */
 161 #define EPROCLIM                WSAEPROCLIM
 162 #define EUSERS                  WSAEUSERS
 163 #define EDQUOT                  WSAEDQUOT
 164 #define ESTALE                  WSAESTALE
 165 #define EREMOTE                 WSAEREMOTE
 166
 167 #endif /* _SOCKET_H_ */
 168
 169 /* end of socket.h */