socket.h
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上传日期:2007-04-14
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- /*
- * Copyright (c) 1982, 1985, 1986 Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms are permitted
- * provided that the above copyright notice and this paragraph are
- * duplicated in all such forms and that any documentation,
- * advertising materials, and other materials related to such
- * distribution and use acknowledge that the software was developed
- * by the University of California, Berkeley. The name of the
- * University may not be used to endorse or promote products derived
- * from this software without specific prior written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- *
- * @(#)socket.h 7.3 (Berkeley) 6/27/88
- */
- /*
- * Definitions related to sockets: types, address families, options.
- */
- #include <sys/stdsyms.h>
- #include <pthread/posix.h>
- #include <sys/cdefs.h>
- /*
- * Types of sockets
- */
- #define SOCK_STREAM 1 /* stream socket */
- #define SOCK_DGRAM 2 /* datagram socket */
- #define SOCK_RAW 3 /* raw-protocol interface */
- #define SOCK_RDM 4 /* reliably-delivered message */
- #define SOCK_SEQPACKET 5 /* sequenced packet stream */
- /*
- * Option flags per-socket.
- */
- #define SO_DEBUG 0x0001 /* turn on debugging info recording */
- #define SO_ACCEPTCONN 0x0002 /* socket has had listen() */
- #define SO_REUSEADDR 0x0004 /* allow local address reuse */
- #define SO_KEEPALIVE 0x0008 /* keep connections alive */
- #define SO_DONTROUTE 0x0010 /* just use interface addresses */
- #define SO_BROADCAST 0x0020 /* permit sending of broadcast msgs */
- #define SO_USELOOPBACK 0x0040 /* bypass hardware when possible */
- #define SO_LINGER 0x0080 /* linger on close if data present */
- #define SO_OOBINLINE 0x0100 /* leave received OOB data in line */
- /*
- * Additional options, not kept in so_options.
- */
- #define SO_SNDBUF 0x1001 /* send buffer size */
- #define SO_RCVBUF 0x1002 /* receive buffer size */
- #define SO_SNDLOWAT 0x1003 /* send low-water mark */
- #define SO_RCVLOWAT 0x1004 /* receive low-water mark */
- #define SO_SNDTIMEO 0x1005 /* send timeout */
- #define SO_RCVTIMEO 0x1006 /* receive timeout */
- #define SO_ERROR 0x1007 /* get error status and clear */
- #define SO_TYPE 0x1008 /* get socket type */
- #define SO_SND_COPYAVOID 0x1009 /* avoid copy on send*/
- #define SO_RCV_COPYAVOID 0x100a /* avoid copy on rcv */
- /*
- * Level number for (get/set)sockopt() to apply to socket itself.
- */
- #define SOL_SOCKET 0xffff /* options for socket level */
- /*
- * Address families.
- */
- #define AF_UNSPEC 0 /* unspecified */
- #define AF_UNIX 1 /* local to host (pipes, portals) */
- #define AF_INET 2 /* internetwork: UDP, TCP, etc. */
- #define AF_IMPLINK 3 /* arpanet imp addresses */
- #define AF_PUP 4 /* pup protocols: e.g. BSP */
- #define AF_CHAOS 5 /* mit CHAOS protocols */
- #define AF_NS 6 /* XEROX NS protocols */
- #define AF_NBS 7 /* nbs protocols */
- #define AF_ECMA 8 /* european computer manufacturers */
- #define AF_DATAKIT 9 /* datakit protocols */
- #define AF_CCITT 10 /* CCITT protocols, X.25 etc */
- #define AF_SNA 11 /* IBM SNA */
- #define AF_DECnet 12 /* DECnet */
- #define AF_DLI 13 /* Direct data link interface */
- #define AF_LAT 14 /* LAT */
- #define AF_HYLINK 15 /* NSC Hyperchannel */
- #define AF_APPLETALK 16 /* Apple Talk */
- #define AF_OTS 17 /* Used for OSI in the ifnets */
- #define AF_NIT 18 /* NIT */
- #define AF_MAX 19
- /*
- * Structure used by kernel to store most
- * addresses.
- */
- struct sockaddr {
- unsigned short sa_family; /* address family */
- char sa_data[14]; /* up to 14 bytes of direct address */
- };
- /*
- * Structure used by kernel to pass protocol
- * information in raw sockets.
- */
- struct sockproto {
- unsigned short sp_family; /* address family */
- unsigned short sp_protocol; /* protocol */
- };
- /*
- * Protocol families, same as address families for now.
- */
- #define PF_UNSPEC AF_UNSPEC
- #define PF_UNIX AF_UNIX
- #define PF_INET AF_INET
- #define PF_IMPLINK AF_IMPLINK
- #define PF_PUP AF_PUP
- #define PF_CHAOS AF_CHAOS
- #define PF_NS AF_NS
- #define PF_NBS AF_NBS
- #define PF_ECMA AF_ECMA
- #define PF_DATAKIT AF_DATAKIT
- #define PF_CCITT AF_CCITT
- #define PF_SNA AF_SNA
- #define PF_DECnet AF_DECnet
- #define PF_DLI AF_DLI
- #define PF_LAT AF_LAT
- #define PF_HYLINK AF_HYLINK
- #define PF_APPLETALK AF_APPLETALK
- #define PF_MAX AF_MAX
- /*
- * Maximum queue length specifiable by listen.
- */
- #define SOMAXCONN 20
- /*
- * Message header for recvmsg and sendmsg calls.
- */
- struct msghdr {
- caddr_t msg_name; /* optional address */
- int msg_namelen; /* size of address */
- struct iovec *msg_iov; /* scatter/gather array */
- int msg_iovlen; /* # elements in msg_iov */
- caddr_t msg_accrights; /* access rights sent/received */
- int msg_accrightslen;
- };
- #define MSG_OOB 0x1 /* process out-of-band data */
- #define MSG_PEEK 0x2 /* peek at incoming message */
- #define MSG_DONTROUTE 0x4 /* send without using routing tables */
- #define MSG_MAXIOVLEN 16
- /*
- * Functions
- */
- __BEGIN_DECLS
- int accept __P_((int, struct sockaddr *, int *));
- int bind __P_((int, const struct sockaddr *, int));
- int connect __P_((int, const struct sockaddr *, int));
- int listen __P_((int, int));
- int socket __P_((int, int, int));
- __END_DECLS