298 lines
8.2 KiB
C
298 lines
8.2 KiB
C
/* Copyright (C) 1995, 2001-2024 Free Software Foundation, Inc.
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This file is part of GNU Emacs.
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GNU Emacs is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or (at
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your option) any later version.
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GNU Emacs is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>. */
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/* Workable version of <sys/socket.h> based on winsock.h */
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#ifndef _SOCKET_H_
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#define _SOCKET_H_
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/* defeat the multiple include protection */
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#ifdef _WINSOCKAPI_
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#undef _WINSOCKAPI_
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#endif
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#ifdef _WINSOCK_H
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#undef _WINSOCK_H
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#endif
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/* avoid confusion with our version of select */
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#ifdef select
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#undef select
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#define MUST_REDEF_SELECT
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#endif
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/* avoid clashing with our version of FD_SET if already defined */
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#ifdef FD_SET
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#undef FD_SET
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#undef FD_CLR
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#undef FD_ISSET
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#undef FD_ZERO
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#endif
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/* Avoid duplicate definition of timeval. MinGW uses _TIMEVAL_DEFINED
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in sys/time.h to avoid that. */
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#if defined (HAVE_TIMEVAL) && defined (_MSC_VER)
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#define timeval ws_timeval
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#endif
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#if defined __MINGW32_VERSION && __MINGW32_VERSION >= 5000002L
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/* Need winerror.h before winsock2.h with mingw.org's MinGW 5.x,
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otherwise some error codes are not defined. */
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# include <winerror.h>
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#endif
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#include <winsock2.h>
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#include <ws2tcpip.h>
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/* process.c uses uint16_t (from C99) for IPv6, but
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apparently it is not defined in some versions of mingw and msvc. */
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#include <stdint.h>
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#ifndef UINT16_C
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typedef unsigned short uint16_t;
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#endif
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/* redefine select to reference our version */
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#ifdef MUST_REDEF_SELECT
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#define select sys_select
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#undef MUST_REDEF_SELECT
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#endif
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/* Revert to our version of FD_SET, but not when included from test
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programs run by configure. */
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#ifdef EMACS_CONFIG_H
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#undef FD_SET
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#undef FD_CLR
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#undef FD_ISSET
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#undef FD_ZERO
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/* allow us to provide our own version of fd_set */
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#define fd_set ws_fd_set
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#include "w32.h"
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#endif /* EMACS_CONFIG_H */
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#if defined (HAVE_TIMEVAL) && defined (_MSC_VER)
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#undef timeval
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#endif
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/* shadow functions where we provide our own wrapper */
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#define socket sys_socket
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#define bind sys_bind
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#define connect sys_connect
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#define htons sys_htons
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#define ntohs sys_ntohs
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#define htonl sys_htonl
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#define ntohl sys_ntohl
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#define inet_addr sys_inet_addr
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#define gethostname sys_gethostname
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#define gethostbyname sys_gethostbyname
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#define getpeername sys_getpeername
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#define getservbyname sys_getservbyname
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#define shutdown sys_shutdown
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#define setsockopt sys_setsockopt
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#define listen sys_listen
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#define getsockname sys_getsockname
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#define accept sys_accept
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#define recvfrom sys_recvfrom
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#define sendto sys_sendto
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#define getaddrinfo sys_getaddrinfo
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#define freeaddrinfo sys_freeaddrinfo
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int sys_socket(int af, int type, int protocol);
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int sys_bind (int s, const struct sockaddr *addr, int namelen);
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int sys_connect (int s, const struct sockaddr *addr, int namelen);
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u_short sys_htons (u_short hostshort);
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u_short sys_ntohs (u_short netshort);
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u_long sys_htonl (u_long hostlong);
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u_long sys_ntohl (u_long netlong);
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unsigned long sys_inet_addr (const char * cp);
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int sys_gethostname (char * name, int namelen);
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struct hostent * sys_gethostbyname (const char * name);
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struct servent * sys_getservbyname (const char * name, const char * proto);
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int sys_getpeername (int s, struct sockaddr *addr, int * namelen);
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int sys_shutdown (int socket, int how);
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int sys_setsockopt (int s, int level, int oname, const void * oval, int olen);
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int sys_listen (int s, int backlog);
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int sys_getsockname (int s, struct sockaddr * name, int * namelen);
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int sys_accept (int s, struct sockaddr *addr, int *addrlen);
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int sys_recvfrom (int s, char *buf, int len, int flags,
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struct sockaddr *from, int * fromlen);
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int sys_sendto (int s, const char * buf, int len, int flags,
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const struct sockaddr *to, int tolen);
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int sys_getaddrinfo (const char * node, const char * service,
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const struct addrinfo * hints, struct addrinfo ** res);
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void sys_freeaddrinfo (struct addrinfo * ai);
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/* In addition to wrappers for the winsock functions, we also provide
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an fcntl function, for setting sockets to non-blocking mode. */
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int fcntl (int s, int cmd, int options);
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#define F_SETFL 4
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#define F_SETFD 2
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#define O_NONBLOCK 04000
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#define O_CLOEXEC O_NOINHERIT
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#define F_DUPFD_CLOEXEC 0x40000000
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#define FD_CLOEXEC 1
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/* we are providing a real h_errno variable */
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#undef h_errno
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extern int h_errno;
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/* map winsock error codes to standard names */
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#if defined(EWOULDBLOCK)
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#undef EWOULDBLOCK
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#endif
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#define EWOULDBLOCK WSAEWOULDBLOCK
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#if defined(EINPROGRESS)
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#undef EINPROGRESS
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#endif
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#define EINPROGRESS WSAEINPROGRESS
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#if defined(EALREADY)
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#undef EALREADY
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#endif
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#define EALREADY WSAEALREADY
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#if defined(ENOTSOCK)
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#undef ENOTSOCK
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#endif
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#define ENOTSOCK WSAENOTSOCK
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#if defined(EDESTADDRREQ)
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#undef EDESTADDRREQ
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#endif
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#define EDESTADDRREQ WSAEDESTADDRREQ
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#if defined(EMSGSIZE)
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#undef EMSGSIZE
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#endif
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#define EMSGSIZE WSAEMSGSIZE
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#if defined(EPROTOTYPE)
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#undef EPROTOTYPE
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#endif
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#define EPROTOTYPE WSAEPROTOTYPE
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#if defined(ENOPROTOOPT)
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#undef ENOPROTOOPT
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#endif
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#define ENOPROTOOPT WSAENOPROTOOPT
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#if defined(EPROTONOSUPPORT)
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#undef EPROTONOSUPPORT
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#endif
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#define EPROTONOSUPPORT WSAEPROTONOSUPPORT
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#if defined(ESOCKTNOSUPPORT)
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#undef ESOCKTNOSUPPORT
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#endif
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#define ESOCKTNOSUPPORT WSAESOCKTNOSUPPORT
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#if defined(EOPNOTSUPP)
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#undef EOPNOTSUPP
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#endif
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#define EOPNOTSUPP WSAEOPNOTSUPP
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#if defined(EPFNOSUPPORT)
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#undef EPFNOSUPPORT
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#endif
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#define EPFNOSUPPORT WSAEPFNOSUPPORT
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#if defined(EAFNOSUPPORT)
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#undef EAFNOSUPPORT
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#endif
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#define EAFNOSUPPORT WSAEAFNOSUPPORT
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#if defined(EADDRINUSE)
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#undef EADDRINUSE
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#endif
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#define EADDRINUSE WSAEADDRINUSE
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#if defined(EADDRNOTAVAIL)
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#undef EADDRNOTAVAIL
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#endif
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#define EADDRNOTAVAIL WSAEADDRNOTAVAIL
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#if defined(ENETDOWN)
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#undef ENETDOWN
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#endif
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#define ENETDOWN WSAENETDOWN
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#if defined(ENETUNREACH)
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#undef ENETUNREACH
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#endif
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#define ENETUNREACH WSAENETUNREACH
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#if defined(ENETRESET)
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#undef ENETRESET
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#endif
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#define ENETRESET WSAENETRESET
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#if defined(ECONNABORTED)
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#undef ECONNABORTED
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#endif
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#define ECONNABORTED WSAECONNABORTED
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#if defined(ECONNRESET)
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#undef ECONNRESET
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#endif
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#define ECONNRESET WSAECONNRESET
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#if defined(ENOBUFS)
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#undef ENOBUFS
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#endif
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#define ENOBUFS WSAENOBUFS
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#if defined(EISCONN)
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#undef EISCONN
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#endif
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#define EISCONN WSAEISCONN
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#if defined(ENOTCONN)
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#undef ENOTCONN
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#endif
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#define ENOTCONN WSAENOTCONN
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#if defined(ESHUTDOWN)
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#undef ESHUTDOWN
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#endif
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#define ESHUTDOWN WSAESHUTDOWN
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#if defined(ETOOMANYREFS)
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#undef ETOOMANYREFS
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#endif
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#define ETOOMANYREFS WSAETOOMANYREFS
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#if defined(ETIMEDOUT)
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#undef ETIMEDOUT
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#endif
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#define ETIMEDOUT WSAETIMEDOUT
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#if defined(ECONNREFUSED)
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#undef ECONNREFUSED
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#endif
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#define ECONNREFUSED WSAECONNREFUSED
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#if defined(ELOOP)
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#undef ELOOP
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#endif
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#define ELOOP WSAELOOP
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/* #define ENAMETOOLONG WSAENAMETOOLONG */
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#if defined(EHOSTDOWN)
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#undef EHOSTDOWN
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#endif
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#define EHOSTDOWN WSAEHOSTDOWN
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#if defined(EHOSTUNREACH)
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#undef EHOSTUNREACH
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#endif
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#define EHOSTUNREACH WSAEHOSTUNREACH
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/* #define ENOTEMPTY WSAENOTEMPTY */
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#if defined(EPROCLIM)
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#undef EPROCLIM
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#endif
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#define EPROCLIM WSAEPROCLIM
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#if defined(EUSERS)
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#undef EUSERS
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#endif
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#define EUSERS WSAEUSERS
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#if defined(EDQUOT)
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#undef EDQUOT
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#endif
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#define EDQUOT WSAEDQUOT
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#if defined(ESTALE)
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#undef ESTALE
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#endif
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#define ESTALE WSAESTALE
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#if defined(EREMOTE)
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#undef EREMOTE
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#endif
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#define EREMOTE WSAEREMOTE
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#endif /* _SOCKET_H_ */
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/* end of socket.h */
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