Annotation of src/sys/sys/socket.h, Revision 1.56
1.56 ! kleink 1: /* $NetBSD: socket.h,v 1.55 2000/06/04 08:50:28 itojun Exp $ */
1.44 itojun 2:
3: /*
4: * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
5: * All rights reserved.
6: *
7: * Redistribution and use in source and binary forms, with or without
8: * modification, are permitted provided that the following conditions
9: * are met:
10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: * 2. Redistributions in binary form must reproduce the above copyright
13: * notice, this list of conditions and the following disclaimer in the
14: * documentation and/or other materials provided with the distribution.
15: * 3. Neither the name of the project nor the names of its contributors
16: * may be used to endorse or promote products derived from this software
17: * without specific prior written permission.
18: *
19: * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
20: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22: * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
23: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29: * SUCH DAMAGE.
30: */
1.10 cgd 31:
1.1 cgd 32: /*
1.8 mycroft 33: * Copyright (c) 1982, 1985, 1986, 1988, 1993, 1994
34: * The Regents of the University of California. All rights reserved.
1.1 cgd 35: *
36: * Redistribution and use in source and binary forms, with or without
37: * modification, are permitted provided that the following conditions
38: * are met:
39: * 1. Redistributions of source code must retain the above copyright
40: * notice, this list of conditions and the following disclaimer.
41: * 2. Redistributions in binary form must reproduce the above copyright
42: * notice, this list of conditions and the following disclaimer in the
43: * documentation and/or other materials provided with the distribution.
44: * 3. All advertising materials mentioning features or use of this software
45: * must display the following acknowledgement:
46: * This product includes software developed by the University of
47: * California, Berkeley and its contributors.
48: * 4. Neither the name of the University nor the names of its contributors
49: * may be used to endorse or promote products derived from this software
50: * without specific prior written permission.
51: *
52: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
53: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
54: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
55: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
56: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
57: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
58: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
59: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
60: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
61: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
62: * SUCH DAMAGE.
63: *
1.28 fvdl 64: * @(#)socket.h 8.6 (Berkeley) 5/3/95
1.1 cgd 65: */
66:
1.2 mycroft 67: #ifndef _SYS_SOCKET_H_
1.8 mycroft 68: #define _SYS_SOCKET_H_
1.2 mycroft 69:
1.1 cgd 70: /*
71: * Definitions related to sockets: types, address families, options.
72: */
73:
74: /*
1.42 kleink 75: * Data types.
76: */
1.55 itojun 77: #include <sys/ansi.h>
1.56 ! kleink 78:
! 79: #ifndef sa_family_t
! 80: typedef __sa_family_t sa_family_t;
! 81: #define sa_family_t sa_family_t
! 82: #endif
! 83:
1.55 itojun 84: #ifndef socklen_t
85: typedef __socklen_t socklen_t;
86: #define socklen_t socklen_t
87: #endif
1.42 kleink 88:
89: /*
90: * Socket types.
1.1 cgd 91: */
92: #define SOCK_STREAM 1 /* stream socket */
93: #define SOCK_DGRAM 2 /* datagram socket */
94: #define SOCK_RAW 3 /* raw-protocol interface */
95: #define SOCK_RDM 4 /* reliably-delivered message */
96: #define SOCK_SEQPACKET 5 /* sequenced packet stream */
97:
98: /*
99: * Option flags per-socket.
100: */
101: #define SO_DEBUG 0x0001 /* turn on debugging info recording */
102: #define SO_ACCEPTCONN 0x0002 /* socket has had listen() */
103: #define SO_REUSEADDR 0x0004 /* allow local address reuse */
104: #define SO_KEEPALIVE 0x0008 /* keep connections alive */
105: #define SO_DONTROUTE 0x0010 /* just use interface addresses */
106: #define SO_BROADCAST 0x0020 /* permit sending of broadcast msgs */
107: #define SO_USELOOPBACK 0x0040 /* bypass hardware when possible */
108: #define SO_LINGER 0x0080 /* linger on close if data present */
109: #define SO_OOBINLINE 0x0100 /* leave received OOB data in line */
1.8 mycroft 110: #define SO_REUSEPORT 0x0200 /* allow local address & port reuse */
1.18 thorpej 111: #define SO_TIMESTAMP 0x0400 /* timestamp received dgram traffic */
1.1 cgd 112:
113: /*
114: * Additional options, not kept in so_options.
115: */
116: #define SO_SNDBUF 0x1001 /* send buffer size */
117: #define SO_RCVBUF 0x1002 /* receive buffer size */
118: #define SO_SNDLOWAT 0x1003 /* send low-water mark */
119: #define SO_RCVLOWAT 0x1004 /* receive low-water mark */
120: #define SO_SNDTIMEO 0x1005 /* send timeout */
121: #define SO_RCVTIMEO 0x1006 /* receive timeout */
122: #define SO_ERROR 0x1007 /* get error status and clear */
123: #define SO_TYPE 0x1008 /* get socket type */
124:
125: /*
126: * Structure used for manipulating linger option.
127: */
128: struct linger {
129: int l_onoff; /* option on/off */
1.28 fvdl 130: int l_linger; /* linger time in seconds */
1.1 cgd 131: };
132:
133: /*
134: * Level number for (get/set)sockopt() to apply to socket itself.
135: */
136: #define SOL_SOCKET 0xffff /* options for socket level */
137:
138: /*
139: * Address families.
140: */
141: #define AF_UNSPEC 0 /* unspecified */
1.8 mycroft 142: #define AF_LOCAL 1 /* local to host (pipes, portals) */
143: #define AF_UNIX AF_LOCAL /* backward compatibility */
1.1 cgd 144: #define AF_INET 2 /* internetwork: UDP, TCP, etc. */
145: #define AF_IMPLINK 3 /* arpanet imp addresses */
146: #define AF_PUP 4 /* pup protocols: e.g. BSP */
147: #define AF_CHAOS 5 /* mit CHAOS protocols */
148: #define AF_NS 6 /* XEROX NS protocols */
149: #define AF_ISO 7 /* ISO protocols */
150: #define AF_OSI AF_ISO
151: #define AF_ECMA 8 /* european computer manufacturers */
152: #define AF_DATAKIT 9 /* datakit protocols */
153: #define AF_CCITT 10 /* CCITT protocols, X.25 etc */
154: #define AF_SNA 11 /* IBM SNA */
155: #define AF_DECnet 12 /* DECnet */
156: #define AF_DLI 13 /* DEC Direct data link interface */
157: #define AF_LAT 14 /* LAT */
158: #define AF_HYLINK 15 /* NSC Hyperchannel */
159: #define AF_APPLETALK 16 /* Apple Talk */
160: #define AF_ROUTE 17 /* Internal Routing Protocol */
161: #define AF_LINK 18 /* Link layer interface */
1.42 kleink 162: #if !defined(_XOPEN_SOURCE)
1.1 cgd 163: #define pseudo_AF_XTP 19 /* eXpress Transfer Protocol (no AF) */
1.42 kleink 164: #endif
1.8 mycroft 165: #define AF_COIP 20 /* connection-oriented IP, aka ST II */
166: #define AF_CNT 21 /* Computer Network Technology */
1.42 kleink 167: #if !defined(_XOPEN_SOURCE)
1.8 mycroft 168: #define pseudo_AF_RTIP 22 /* Help Identify RTIP packets */
1.42 kleink 169: #endif
1.8 mycroft 170: #define AF_IPX 23 /* Novell Internet Protocol */
1.21 sommerfe 171: #define AF_INET6 24 /* IP version 6 */
1.42 kleink 172: #if !defined(_XOPEN_SOURCE)
1.8 mycroft 173: #define pseudo_AF_PIP 25 /* Help Identify PIP packets */
1.42 kleink 174: #endif
1.17 chuck 175: #define AF_ISDN 26 /* Integrated Services Digital Network*/
176: #define AF_E164 AF_ISDN /* CCITT E.164 recommendation */
177: #define AF_NATM 27 /* native ATM access */
1.19 is 178: #define AF_ARP 28 /* (rev.) addr. res. prot. (RFC 826) */
1.42 kleink 179: #if !defined(_XOPEN_SOURCE)
1.21 sommerfe 180: #define pseudo_AF_KEY 29 /* Internal key management protocol */
1.31 thorpej 181: #define pseudo_AF_HDRCMPLT 30 /* Used by BPF to not rewrite hdrs
182: in interface output routine */
1.42 kleink 183: #endif
1.1 cgd 184:
1.31 thorpej 185: #define AF_MAX 31
1.1 cgd 186:
187: /*
1.26 thorpej 188: * Structure used by kernel to store most
189: * addresses.
1.1 cgd 190: */
191: struct sockaddr {
1.56 ! kleink 192: u_char sa_len; /* total length */
! 193: sa_family_t sa_family; /* address family */
! 194: char sa_data[14]; /* actually longer; address value */
1.26 thorpej 195: };
1.1 cgd 196:
1.42 kleink 197: #if defined(_KERNEL)
1.1 cgd 198: /*
199: * Structure used by kernel to pass protocol
200: * information in raw sockets.
201: */
202: struct sockproto {
203: u_short sp_family; /* address family */
204: u_short sp_protocol; /* protocol */
205: };
1.42 kleink 206: #endif /* _KERNEL */
1.1 cgd 207:
1.44 itojun 208: #if 1
209: /*
210: * RFC 2553: protocol-independent placeholder for socket addresses
211: */
212: #define _SS_MAXSIZE 128
213: #define _SS_ALIGNSIZE (sizeof(int64_t))
214: #define _SS_PAD1SIZE (_SS_ALIGNSIZE - sizeof(u_char) * 2)
215: #define _SS_PAD2SIZE (_SS_MAXSIZE - sizeof(u_char) * 2 - \
216: _SS_PAD1SIZE - _SS_ALIGNSIZE)
217:
1.46 kleink 218: #if !defined(_XOPEN_SOURCE) || (_XOPEN_SOURCE - 0) >= 500
1.44 itojun 219: struct sockaddr_storage {
1.56 ! kleink 220: u_char ss_len; /* address length */
! 221: sa_family_t ss_family; /* address family */
! 222: char __ss_pad1[_SS_PAD1SIZE];
! 223: int64_t __ss_align;/* force desired structure storage alignment */
! 224: char __ss_pad2[_SS_PAD2SIZE];
1.44 itojun 225: };
1.46 kleink 226: #endif /* !_XOPEN_SOURCE || ... */
227: #endif /* 1 */
1.44 itojun 228:
1.1 cgd 229: /*
230: * Protocol families, same as address families for now.
231: */
232: #define PF_UNSPEC AF_UNSPEC
1.8 mycroft 233: #define PF_LOCAL AF_LOCAL
234: #define PF_UNIX PF_LOCAL /* backward compatibility */
1.1 cgd 235: #define PF_INET AF_INET
236: #define PF_IMPLINK AF_IMPLINK
237: #define PF_PUP AF_PUP
238: #define PF_CHAOS AF_CHAOS
239: #define PF_NS AF_NS
240: #define PF_ISO AF_ISO
241: #define PF_OSI AF_ISO
242: #define PF_ECMA AF_ECMA
243: #define PF_DATAKIT AF_DATAKIT
244: #define PF_CCITT AF_CCITT
245: #define PF_SNA AF_SNA
246: #define PF_DECnet AF_DECnet
247: #define PF_DLI AF_DLI
248: #define PF_LAT AF_LAT
249: #define PF_HYLINK AF_HYLINK
250: #define PF_APPLETALK AF_APPLETALK
251: #define PF_ROUTE AF_ROUTE
252: #define PF_LINK AF_LINK
1.42 kleink 253: #if !defined(_XOPEN_SOURCE)
1.1 cgd 254: #define PF_XTP pseudo_AF_XTP /* really just proto family, no AF */
1.42 kleink 255: #endif
1.8 mycroft 256: #define PF_COIP AF_COIP
257: #define PF_CNT AF_CNT
1.21 sommerfe 258: #define PF_INET6 AF_INET6
1.8 mycroft 259: #define PF_IPX AF_IPX /* same format as AF_NS */
1.42 kleink 260: #if !defined(_XOPEN_SOURCE)
1.8 mycroft 261: #define PF_RTIP pseudo_AF_FTIP /* same format as AF_INET */
262: #define PF_PIP pseudo_AF_PIP
1.42 kleink 263: #endif
1.20 is 264: #define PF_ISDN AF_ISDN /* same as E164 */
265: #define PF_E164 AF_E164
1.17 chuck 266: #define PF_NATM AF_NATM
1.19 is 267: #define PF_ARP AF_ARP
1.42 kleink 268: #if !defined(_XOPEN_SOURCE)
1.21 sommerfe 269: #define PF_KEY pseudo_AF_KEY /* like PF_ROUTE, only for key mgmt */
1.42 kleink 270: #endif
1.1 cgd 271:
272: #define PF_MAX AF_MAX
273:
1.42 kleink 274: #if !defined(_XOPEN_SOURCE)
1.1 cgd 275: /*
1.27 thorpej 276: * Socket credentials.
277: */
278: struct sockcred {
279: uid_t sc_uid; /* real user id */
280: uid_t sc_euid; /* effective user id */
281: gid_t sc_gid; /* real group id */
282: gid_t sc_egid; /* effective group id */
283: int sc_ngroups; /* number of supplemental groups */
284: gid_t sc_groups[1]; /* variable length */
285: };
286:
287: /*
288: * Compute size of a sockcred structure with groups.
289: */
290: #define SOCKCREDSIZE(ngrps) \
291: (sizeof(struct sockcred) + (sizeof(gid_t) * ((ngrps) - 1)))
1.42 kleink 292: #endif /* !_XOPEN_SOURCE */
1.27 thorpej 293:
1.38 kleink 294:
295: #if !defined(_XOPEN_SOURCE)
1.27 thorpej 296: /*
1.8 mycroft 297: * Definitions for network related sysctl, CTL_NET.
298: *
299: * Second level is protocol family.
300: * Third level is protocol number.
301: *
302: * Further levels are defined by the individual families below.
303: */
304: #define NET_MAXID AF_MAX
305:
306: #define CTL_NET_NAMES { \
307: { 0, 0 }, \
1.28 fvdl 308: { "local", CTLTYPE_NODE }, \
1.8 mycroft 309: { "inet", CTLTYPE_NODE }, \
310: { "implink", CTLTYPE_NODE }, \
311: { "pup", CTLTYPE_NODE }, \
312: { "chaos", CTLTYPE_NODE }, \
313: { "xerox_ns", CTLTYPE_NODE }, \
314: { "iso", CTLTYPE_NODE }, \
315: { "emca", CTLTYPE_NODE }, \
316: { "datakit", CTLTYPE_NODE }, \
317: { "ccitt", CTLTYPE_NODE }, \
318: { "ibm_sna", CTLTYPE_NODE }, \
319: { "decnet", CTLTYPE_NODE }, \
320: { "dec_dli", CTLTYPE_NODE }, \
321: { "lat", CTLTYPE_NODE }, \
322: { "hylink", CTLTYPE_NODE }, \
323: { "appletalk", CTLTYPE_NODE }, \
324: { "route", CTLTYPE_NODE }, \
325: { "link_layer", CTLTYPE_NODE }, \
326: { "xtp", CTLTYPE_NODE }, \
327: { "coip", CTLTYPE_NODE }, \
328: { "cnt", CTLTYPE_NODE }, \
329: { "rtip", CTLTYPE_NODE }, \
330: { "ipx", CTLTYPE_NODE }, \
1.21 sommerfe 331: { "inet6", CTLTYPE_NODE }, \
1.8 mycroft 332: { "pip", CTLTYPE_NODE }, \
1.20 is 333: { "isdn", CTLTYPE_NODE }, \
1.17 chuck 334: { "natm", CTLTYPE_NODE }, \
1.20 is 335: { "arp", CTLTYPE_NODE }, \
1.21 sommerfe 336: { "key", CTLTYPE_NODE }, \
1.8 mycroft 337: }
1.38 kleink 338: #endif /* !_XOPEN_SOURCE */
1.8 mycroft 339:
1.38 kleink 340: #if !defined(_XOPEN_SOURCE)
1.8 mycroft 341: /*
342: * PF_ROUTE - Routing table
343: *
344: * Three additional levels are defined:
345: * Fourth: address family, 0 is wildcard
346: * Fifth: type of info, defined below
347: * Sixth: flag(s) to mask with for NET_RT_FLAGS
348: */
349: #define NET_RT_DUMP 1 /* dump; may limit to a.f. */
350: #define NET_RT_FLAGS 2 /* by flags, e.g. RESOLVING */
1.47 bouyer 351: #define NET_RT_OIFLIST 3 /* old NET_RT_IFLIST (pre 1.5) */
352: #define NET_RT_IFLIST 4 /* survey interface list */
353: #define NET_RT_MAXID 5
1.8 mycroft 354:
355: #define CTL_NET_RT_NAMES { \
356: { 0, 0 }, \
357: { "dump", CTLTYPE_STRUCT }, \
358: { "flags", CTLTYPE_STRUCT }, \
1.47 bouyer 359: { 0, 0 }, \
1.8 mycroft 360: { "iflist", CTLTYPE_STRUCT }, \
361: }
1.38 kleink 362: #endif /* !_XOPEN_SOURCE */
1.8 mycroft 363:
364: /*
1.13 mycroft 365: * Maximum queue length specifiable by listen(2).
1.1 cgd 366: */
1.16 neil 367:
1.13 mycroft 368: #define SOMAXCONN 128
1.16 neil 369:
1.1 cgd 370: /*
371: * Message header for recvmsg and sendmsg calls.
372: * Used value-result for recvmsg, value only for sendmsg.
373: */
374: struct msghdr {
1.42 kleink 375: void *msg_name; /* optional address */
376: socklen_t msg_namelen; /* size of address */
377: struct iovec *msg_iov; /* scatter/gather array */
378: int msg_iovlen; /* # elements in msg_iov */
379: void *msg_control; /* ancillary data, see below */
380: socklen_t msg_controllen; /* ancillary data buffer len */
381: int msg_flags; /* flags on received message */
1.1 cgd 382: };
383:
384: #define MSG_OOB 0x1 /* process out-of-band data */
385: #define MSG_PEEK 0x2 /* peek at incoming message */
386: #define MSG_DONTROUTE 0x4 /* send without using routing tables */
387: #define MSG_EOR 0x8 /* data completes record */
388: #define MSG_TRUNC 0x10 /* data discarded before delivery */
389: #define MSG_CTRUNC 0x20 /* control data lost before delivery */
390: #define MSG_WAITALL 0x40 /* wait for full request or error */
1.8 mycroft 391: #define MSG_DONTWAIT 0x80 /* this message should be nonblocking */
1.30 matt 392: #define MSG_BCAST 0x100 /* this message was rcvd using link-level brdcst */
393: #define MSG_MCAST 0x200 /* this message was rcvd using link-level mcast */
1.1 cgd 394:
395: /*
396: * Header for ancillary data objects in msg_control buffer.
397: * Used for additional information with/about a datagram
398: * not expressible by flags. The format is a sequence
399: * of message elements headed by cmsghdr structures.
400: */
401: struct cmsghdr {
1.42 kleink 402: socklen_t cmsg_len; /* data byte count, including hdr */
403: int cmsg_level; /* originating protocol */
404: int cmsg_type; /* protocol-specific type */
1.1 cgd 405: /* followed by u_char cmsg_data[]; */
406: };
407:
1.8 mycroft 408: /* given pointer to struct cmsghdr, return pointer to data */
1.50 itojun 409: #define CMSG_DATA(cmsg) \
1.53 itojun 410: ((u_char *)(cmsg) + __CMSG_ALIGN(sizeof(struct cmsghdr)))
1.1 cgd 411:
1.44 itojun 412: /*
413: * Alignment requirement for CMSG struct manipulation.
1.51 itojun 414: * This basically behaves the same as ALIGN() ARCH/include/param.h.
415: * We declare it separately for two reasons:
416: * (1) avoid dependency between machine/param.h, and (2) to sync with kernel's
417: * idea of ALIGNBYTES at runtime.
418: * without (2), we can't guarantee binary compatibility in case of future
419: * changes in ALIGNBYTES.
1.44 itojun 420: */
1.53 itojun 421: #define __CMSG_ALIGN(n) (((n) + __cmsg_alignbytes()) & ~__cmsg_alignbytes())
422: #ifdef _KERNEL
1.54 augustss 423: #define CMSG_ALIGN(n) __CMSG_ALIGN(n)
1.53 itojun 424: #endif
1.44 itojun 425:
1.8 mycroft 426: /* given pointer to struct cmsghdr, return pointer to next cmsghdr */
1.1 cgd 427: #define CMSG_NXTHDR(mhdr, cmsg) \
1.53 itojun 428: (((caddr_t)(cmsg) + __CMSG_ALIGN((cmsg)->cmsg_len) + \
429: __CMSG_ALIGN(sizeof(struct cmsghdr)) > \
1.45 itojun 430: (((caddr_t)(mhdr)->msg_control) + (mhdr)->msg_controllen)) ? \
1.1 cgd 431: (struct cmsghdr *)NULL : \
1.53 itojun 432: (struct cmsghdr *)((caddr_t)(cmsg) + __CMSG_ALIGN((cmsg)->cmsg_len)))
1.1 cgd 433:
434: #define CMSG_FIRSTHDR(mhdr) ((struct cmsghdr *)(mhdr)->msg_control)
435:
1.53 itojun 436: #define CMSG_SPACE(l) (__CMSG_ALIGN(sizeof(struct cmsghdr)) + __CMSG_ALIGN(l))
437: #define CMSG_LEN(l) (__CMSG_ALIGN(sizeof(struct cmsghdr)) + (l))
1.44 itojun 438:
1.1 cgd 439: /* "Socket"-level control message types: */
440: #define SCM_RIGHTS 0x01 /* access rights (array of int) */
1.42 kleink 441: #if !defined(_XOPEN_SOURCE)
1.18 thorpej 442: #define SCM_TIMESTAMP 0x02 /* timestamp (struct timeval) */
1.42 kleink 443: #define SCM_CREDS 0x04 /* credentials (struct sockcred) */
444: #endif
1.29 kleink 445:
446: /*
447: * Types of socket shutdown(2).
448: */
449: #define SHUT_RD 0 /* Disallow further receives. */
450: #define SHUT_WR 1 /* Disallow further sends. */
451: #define SHUT_RDWR 2 /* Disallow further sends/receives. */
1.1 cgd 452:
1.42 kleink 453: #if !defined(_XOPEN_SOURCE)
1.1 cgd 454: /*
455: * 4.3 compat sockaddr, move to compat file later
456: */
457: struct osockaddr {
458: u_short sa_family; /* address family */
459: char sa_data[14]; /* up to 14 bytes of direct address */
460: };
461:
462: /*
463: * 4.3-compat message header (move to compat file later).
464: */
465: struct omsghdr {
466: caddr_t msg_name; /* optional address */
467: int msg_namelen; /* size of address */
468: struct iovec *msg_iov; /* scatter/gather array */
469: int msg_iovlen; /* # elements in msg_iov */
470: caddr_t msg_accrights; /* access rights sent/received */
471: int msg_accrightslen;
472: };
1.42 kleink 473: #endif
1.51 itojun 474:
475: int __cmsg_alignbytes __P((void));
1.1 cgd 476:
1.12 briggs 477: #ifndef _KERNEL
1.1 cgd 478:
479: #include <sys/cdefs.h>
480:
481: __BEGIN_DECLS
1.42 kleink 482: int accept __P((int, struct sockaddr *, socklen_t *));
483: int bind __P((int, const struct sockaddr *, socklen_t));
484: int connect __P((int, const struct sockaddr *, socklen_t));
485: int getpeername __P((int, struct sockaddr *, socklen_t *));
486: int getsockname __P((int, struct sockaddr *, socklen_t *));
487: int getsockopt __P((int, int, int, void *, socklen_t *));
1.1 cgd 488: int listen __P((int, int));
1.8 mycroft 489: ssize_t recv __P((int, void *, size_t, int));
1.42 kleink 490: ssize_t recvfrom __P((int, void *, size_t, int, struct sockaddr *,
491: socklen_t *));
1.8 mycroft 492: ssize_t recvmsg __P((int, struct msghdr *, int));
493: ssize_t send __P((int, const void *, size_t, int));
494: ssize_t sendto __P((int, const void *,
1.42 kleink 495: size_t, int, const struct sockaddr *, socklen_t));
1.8 mycroft 496: ssize_t sendmsg __P((int, const struct msghdr *, int));
1.42 kleink 497: int setsockopt __P((int, int, int, const void *, socklen_t));
1.1 cgd 498: int shutdown __P((int, int));
499: int socket __P((int, int, int));
500: int socketpair __P((int, int, int, int *));
501: __END_DECLS
1.14 christos 502: #else
1.41 drochner 503: #ifdef COMPAT_OLDSOCK
504: #define MSG_COMPAT 0x8000
505: #endif
1.14 christos 506: #endif /* !_KERNEL */
1.1 cgd 507:
1.2 mycroft 508: #endif /* !_SYS_SOCKET_H_ */
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