170 lines
4.9 KiB
C
Executable File
170 lines
4.9 KiB
C
Executable File
/* @(#)socket.h 2.17 90/03/30 SMI; from UCB 7.1 6/4/86 */
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/*
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* Copyright (c) 1982, 1985, 1986 Regents of the University of California.
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* All rights reserved. The Berkeley software License Agreement
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* specifies the terms and conditions for redistribution.
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*/
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#ifndef _sys_socket_h
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#define _sys_socket_h
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/*
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* Definitions related to sockets: types, address families, options.
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*/
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/*
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* Types
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*/
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#define SOCK_STREAM 1 /* stream socket */
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#define SOCK_DGRAM 2 /* datagram socket */
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#define SOCK_RAW 3 /* raw-protocol interface */
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#define SOCK_RDM 4 /* reliably-delivered message */
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#define SOCK_SEQPACKET 5 /* sequenced packet stream */
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/*
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* Option flags per-socket.
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*/
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#define SO_DEBUG 0x0001 /* turn on debugging info recording */
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#define SO_ACCEPTCONN 0x0002 /* socket has had listen() */
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#define SO_REUSEADDR 0x0004 /* allow local address reuse */
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#define SO_KEEPALIVE 0x0008 /* keep connections alive */
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#define SO_DONTROUTE 0x0010 /* just use interface addresses */
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#define SO_BROADCAST 0x0020 /* permit sending of broadcast msgs */
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#define SO_USELOOPBACK 0x0040 /* bypass hardware when possible */
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#define SO_LINGER 0x0080 /* linger on close if data present */
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#define SO_OOBINLINE 0x0100 /* leave received OOB data in line */
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/*
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* N.B.: The following definition is present only for compatibility
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* with release 3.0. It will disappear in later releases.
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*/
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#define SO_DONTLINGER (~SO_LINGER) /* ~SO_LINGER */
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/*
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* Additional options, not kept in so_options.
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*/
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#define SO_SNDBUF 0x1001 /* send buffer size */
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#define SO_RCVBUF 0x1002 /* receive buffer size */
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#define SO_SNDLOWAT 0x1003 /* send low-water mark */
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#define SO_RCVLOWAT 0x1004 /* receive low-water mark */
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#define SO_SNDTIMEO 0x1005 /* send timeout */
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#define SO_RCVTIMEO 0x1006 /* receive timeout */
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#define SO_ERROR 0x1007 /* get error status and clear */
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#define SO_TYPE 0x1008 /* get socket type */
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/*
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* Structure used for manipulating linger option.
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*/
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struct linger {
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int l_onoff; /* option on/off */
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int l_linger; /* linger time */
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};
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/*
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* Level number for (get/set)sockopt() to apply to socket itself.
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*/
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#define SOL_SOCKET 0xffff /* options for socket level */
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/*
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* Address families.
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*/
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#define AF_UNSPEC 0 /* unspecified */
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#define AF_UNIX 1 /* local to host (pipes, portals) */
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#define AF_INET 2 /* internetwork: UDP, TCP, etc. */
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#define AF_IMPLINK 3 /* arpanet imp addresses */
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#define AF_PUP 4 /* pup protocols: e.g. BSP */
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#define AF_CHAOS 5 /* mit CHAOS protocols */
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#define AF_NS 6 /* XEROX NS protocols */
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#define AF_NBS 7 /* nbs protocols */
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#define AF_ECMA 8 /* european computer manufacturers */
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#define AF_DATAKIT 9 /* datakit protocols */
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#define AF_CCITT 10 /* CCITT protocols, X.25 etc */
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#define AF_SNA 11 /* IBM SNA */
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#define AF_DECnet 12 /* DECnet */
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#define AF_DLI 13 /* Direct data link interface */
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#define AF_LAT 14 /* LAT */
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#define AF_HYLINK 15 /* NSC Hyperchannel */
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#define AF_APPLETALK 16 /* Apple Talk */
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#define AF_NIT 17 /* Network Interface Tap */
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#define AF_802 18 /* IEEE 802.2, also ISO 8802 */
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#define AF_OSI 19 /* umbrella for all families used
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* by OSI (e.g. protosw lookup) */
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#define AF_X25 20 /* CCITT X.25 in particular */
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#define AF_OSINET 21 /* AFI = 47, IDI = 4 */
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#define AF_GOSIP 22 /* U.S. Government OSI */
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#define AF_MAX 21
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/*
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* Structure used by kernel to store most
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* addresses.
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*/
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struct sockaddr {
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u_short sa_family; /* address family */
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char sa_data[14]; /* up to 14 bytes of direct address */
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};
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/*
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* Structure used by kernel to pass protocol
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* information in raw sockets.
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*/
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struct sockproto {
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u_short sp_family; /* address family */
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u_short sp_protocol; /* protocol */
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};
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/*
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* Protocol families, same as address families for now.
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*/
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#define PF_UNSPEC AF_UNSPEC
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#define PF_UNIX AF_UNIX
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#define PF_INET AF_INET
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#define PF_IMPLINK AF_IMPLINK
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#define PF_PUP AF_PUP
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#define PF_CHAOS AF_CHAOS
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#define PF_NS AF_NS
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#define PF_NBS AF_NBS
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#define PF_ECMA AF_ECMA
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#define PF_DATAKIT AF_DATAKIT
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#define PF_CCITT AF_CCITT
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#define PF_SNA AF_SNA
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#define PF_DECnet AF_DECnet
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#define PF_DLI AF_DLI
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#define PF_LAT AF_LAT
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#define PF_HYLINK AF_HYLINK
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#define PF_APPLETALK AF_APPLETALK
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#define PF_NIT AF_NIT
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#define PF_802 AF_802
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#define PF_OSI AF_OSI
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#define PF_X25 AF_X25
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#define PF_OSINET AF_OSINET
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#define PF_GOSIP AF_GOSIP
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#define PF_MAX AF_MAX
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/*
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* Maximum queue length specifiable by listen.
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*/
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#define SOMAXCONN 5
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/*
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* Message header for recvmsg and sendmsg calls.
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*/
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struct msghdr {
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caddr_t msg_name; /* optional address */
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int msg_namelen; /* size of address */
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struct iovec *msg_iov; /* scatter/gather array */
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int msg_iovlen; /* # elements in msg_iov */
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caddr_t msg_accrights; /* access rights sent/received */
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int msg_accrightslen;
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};
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#define MSG_OOB 0x1 /* process out-of-band data */
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#define MSG_PEEK 0x2 /* peek at incoming message */
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#define MSG_DONTROUTE 0x4 /* send without using routing tables */
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#define MSG_MAXIOVLEN 16
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#endif /*!_sys_socket_h*/
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