6 /* Modified for emx by hv and em 1994-1995
8 * Copyright (c) 1982,1985,1986,1988 Regents of the University of California.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the University of
22 * California, Berkeley and its contributors.
23 * 4. Neither the name of the University nor the names of its contributors
24 * may be used to endorse or promote products derived from this software
25 * without specific prior written permission.
27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
39 * from: @(#)socket.h 7.13 (Berkeley) 4/20/91
40 * $Id: socket.h,v 1.5 1993/06/27 05:59:06 andrew Exp $
43 #ifndef __SYS_SOCKET_H
44 #define __SYS_SOCKET_H
46 #ifndef __SYS_W32API_H
47 #include <sys/w32api.h>
50 #ifndef __SYS_WERRNO_H
51 #include <sys/werrno.h>
55 #include <sys/cdefs.h>
58 #ifndef __SYS_WTYPES_H
59 #include <sys/wtypes.h>
63 #include <sys/wtime.h>
66 #ifndef __NETINET_IN_H
67 #include <netinet/in.h>
71 * Definitions related to sockets: types, address families, options.
75 * This is used instead of -1, since the socket type is signed.
77 #define INVALID_SOCKET (int)(~0)
78 #define SOCKET_ERROR (-1)
83 #define SOCK_STREAM 1 /* stream socket */
84 #define SOCK_DGRAM 2 /* datagram socket */
85 #define SOCK_RAW 3 /* raw-protocol interface */
86 #define SOCK_RDM 4 /* reliably-delivered message */
87 #define SOCK_SEQPACKET 5 /* sequenced packet stream */
88 #define SOCK_PACKET 10 /* linux specific way of */
89 /* getting packets at the dev */
90 /* level. For writing rarp and */
91 /* other similar things on the */
95 * Option flags per-socket.
97 #define SO_DEBUG 0x0001 /* turn on debugging info recording */
98 #define SO_ACCEPTCONN 0x0002 /* socket has had listen() */
99 #define SO_REUSEADDR 0x0004 /* allow local address reuse */
100 #define SO_KEEPALIVE 0x0008 /* keep connections alive */
101 #define SO_DONTROUTE 0x0010 /* just use interface addresses */
102 #define SO_BROADCAST 0x0020 /* permit sending of broadcast msgs */
103 #define SO_USELOOPBACK 0x0040 /* bypass hardware when possible */
104 #define SO_LINGER 0x0080 /* linger on close if data present */
105 #define SO_OOBINLINE 0x0100 /* leave received OOB data in line */
107 #define SO_DONTLINGER (int)(~SO_LINGER)
110 * Additional options, not kept in so_options.
112 #define SO_SNDBUF 0x1001 /* send buffer size */
113 #define SO_RCVBUF 0x1002 /* receive buffer size */
114 #define SO_SNDLOWAT 0x1003 /* send low-water mark */
115 #define SO_RCVLOWAT 0x1004 /* receive low-water mark */
116 #define SO_SNDTIMEO 0x1005 /* send timeout */
117 #define SO_RCVTIMEO 0x1006 /* receive timeout */
118 #define SO_ERROR 0x1007 /* get error status and clear */
119 #define SO_TYPE 0x1008 /* get socket type */
122 #include <sys/packon.h>
125 * Structure used for manipulating linger option.
128 int l_onoff; /* option on/off */
129 int l_linger; /* linger time */
133 * Level number for (get/set)sockopt() to apply to socket itself.
135 #define SOL_SOCKET 0xffff /* options for socket level */
140 #define AF_UNSPEC 0 /* unspecified */
141 #define AF_UNIX 1 /* local to host (pipes, portals) */
142 #define AF_INET 2 /* internetwork: UDP, TCP, etc. */
143 #define AF_IMPLINK 3 /* arpanet imp addresses */
144 #define AF_PUP 4 /* pup protocols: e.g. BSP */
145 #define AF_CHAOS 5 /* mit CHAOS protocols */
146 #define AF_NS 6 /* XEROX NS protocols */
147 #define AF_ISO 7 /* ISO protocols */
148 #define AF_OSI AF_ISO
149 #define AF_ECMA 8 /* european computer manufacturers */
150 #define AF_DATAKIT 9 /* datakit protocols */
151 #define AF_CCITT 10 /* CCITT protocols, X.25 etc */
152 #define AF_SNA 11 /* IBM SNA */
153 #define AF_DECnet 12 /* DECnet */
154 #define AF_DLI 13 /* DEC Direct data link interface */
155 #define AF_LAT 14 /* LAT */
156 #define AF_HYLINK 15 /* NSC Hyperchannel */
157 #define AF_APPLETALK 16 /* Apple Talk */
158 #define AF_ROUTE 17 /* Internal Routing Protocol */
159 #define AF_LINK 18 /* Link layer interface */
160 #define pseudo_AF_XTP 19 /* eXpress Transfer Protocol (no AF) */
161 #define AF_INET6 24 /* IPv6 address family */
162 #define AF_PACKET 25 /* raw packets */
166 * Structure used by kernel to store most
168 * is called struct osockaddr in 4.4BSD
171 u_short sa_family; /* address family */
172 char sa_data[14]; /* up to 14 bytes of direct address */
176 * Structure used by kernel to pass protocol
177 * information in raw sockets.
180 u_short sp_family; /* address family */
181 u_short sp_protocol; /* protocol */
185 * Protocol families, same as address families for now.
187 #define PF_UNSPEC AF_UNSPEC
188 #define PF_UNIX AF_UNIX
189 #define PF_INET AF_INET
190 #define PF_INET6 AF_INET6
191 #define PF_IMPLINK AF_IMPLINK
192 #define PF_PUP AF_PUP
193 #define PF_CHAOS AF_CHAOS
195 #define PF_ISO AF_ISO
196 #define PF_OSI AF_ISO
197 #define PF_ECMA AF_ECMA
198 #define PF_DATAKIT AF_DATAKIT
199 #define PF_CCITT AF_CCITT
200 #define PF_SNA AF_SNA
201 #define PF_DECnet AF_DECnet
202 #define PF_DLI AF_DLI
203 #define PF_LAT AF_LAT
204 #define PF_HYLINK AF_HYLINK
205 #define PF_APPLETALK AF_APPLETALK
206 #define PF_ROUTE AF_ROUTE
207 #define PF_LINK AF_LINK
208 #define PF_PACKET AF_PACKET
209 #define PF_XTP pseudo_AF_XTP /* really just proto family, no AF */
211 #define PF_MAX AF_MAX
214 * Maximum queue length specifiable by listen.
217 #define MSG_OOB 0x1 /* process out-of-band data */
218 #define MSG_PEEK 0x2 /* peek at incoming message */
219 #define MSG_DONTROUTE 0x4 /* send without using routing tables */
220 #define MSG_EOR 0x8 /* data completes record */
221 #define MSG_TRUNC 0x10 /* data discarded before delivery */
222 #define MSG_CTRUNC 0x20 /* control data lost before delivery */
223 #define MSG_WAITALL 0x40 /* wait for full request or error */
225 #define MSG_MAXIOVLEN 16
229 * Header for ancillary data objects in msg_control buffer.
230 * Used for additional information with/about a datagram
231 * not expressible by flags. The format is a sequence
232 * of message elements headed by cmsghdr structures.
235 u_int cmsg_len; /* data byte count, including hdr */
236 int cmsg_level; /* originating protocol */
237 int cmsg_type; /* protocol-specific type */
238 /* followed by u_char cmsg_data[]; */
242 char *msg_name; /* Contains an optional address. */
243 int msg_namelen; /* len of optional address */
244 struct iovec *msg_iov; /* scatter/gather array. */
245 int msg_iovlen; /* number of elements in msg_iov */
246 char *msg_accrights; /* does not apply to IP - not changed */
247 int msg_accrightslen; /* does not apply to IP */
250 /* CMSG_DATA clashes with <wincrypt.h>
252 #if (defined(WIN32) || defined(_WIN32)) && \
253 !defined(_WINDOWS_H) && !defined(_INC_WINDOWS) && !defined(__windows_h__)
254 #error Include <windows.h> before this point.
257 /* given pointer to struct adatahdr, return pointer to data */
259 #define CMSG_DATA(cmsg) ((u_char *)((cmsg) + 1))
261 /* given pointer to struct adatahdr, return pointer to next adatahdr */
262 #define CMSG_NXTHDR(mhdr, cmsg) \
263 (((caddr_t)(cmsg) + (cmsg)->cmsg_len + sizeof(struct cmsghdr) > \
264 (mhdr)->msg_control + (mhdr)->msg_controllen) ? \
265 (struct cmsghdr *)NULL : \
266 (struct cmsghdr *)((caddr_t)(cmsg) + ALIGN((cmsg)->cmsg_len)))
268 #define CMSG_FIRSTHDR(mhdr) ((struct cmsghdr *)(mhdr)->msg_control)
270 /* "Socket"-level control message types: */
271 #define SCM_RIGHTS 0x01 /* access rights (array of int) */
273 #include <sys/packoff.h>
277 W32_FUNC int W32_CALL accept (int, struct sockaddr *, int *);
278 W32_FUNC int W32_CALL bind (int, const struct sockaddr *, int);
279 W32_FUNC int W32_CALL closesocket (int s);
280 W32_FUNC int W32_CALL connect (int, const struct sockaddr *, int);
281 W32_FUNC int W32_CALL ioctlsocket (int s, long cmd, char *argp);
282 W32_FUNC int MS_CDECL fcntlsocket (int s, int cmd, ...);
284 W32_FUNC int W32_CALL getdomainname (char *name, int len);
285 W32_FUNC int W32_CALL setdomainname (const char *name, int len);
286 W32_FUNC int W32_CALL gethostname (char *name, int len);
287 W32_FUNC int W32_CALL sethostname (const char *name, int len);
289 W32_FUNC u_long W32_CALL gethostid (void);
290 W32_FUNC u_long W32_CALL sethostid (u_long ip);
291 W32_FUNC int W32_CALL getpeername (int, struct sockaddr *, int *);
292 W32_FUNC int W32_CALL getsockname (int, struct sockaddr *, int *);
293 W32_FUNC int W32_CALL getsockopt (int, int, int, void *, int *);
294 W32_FUNC int W32_CALL listen (int, int);
295 W32_FUNC int W32_CALL recv (int, void *, int, int);
296 W32_FUNC int W32_CALL recvfrom (int, void *, int, int, struct sockaddr *, int *);
297 W32_FUNC int W32_CALL send (int, const void *, int, int);
298 W32_FUNC int W32_CALL sendto (int, const void *, int, int, const struct sockaddr *, int);
299 W32_FUNC int W32_CALL setsockopt (int, int, int, const void *, int);
300 W32_FUNC int W32_CALL shutdown (int, int);
301 W32_FUNC int W32_CALL socket (int, int, int);