socket.h
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上传日期:2007-04-14
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- /*
- * Copyright (c) 1982,1985,1986,1988 Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)socket.h 7.13 (Berkeley) 4/20/91
- */
- #ifndef _SOCKET_H_
- #define _SOCKET_H_
- /*
- * Definitions related to sockets: types, address families, options.
- */
- /*
- * Types
- */
- #define SOCK_STREAM 1 /* stream socket */
- #define SOCK_DGRAM 2 /* datagram socket */
- #define SOCK_RAW 4 /* raw-protocol interface */
- #define SOCK_RDM 5 /* reliably-delivered message */
- #define SOCK_SEQPACKET 6 /* 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_PROTOTYPE 0x1009 /* get/set protocol type */
- /*
- * Structure used for manipulating linger option.
- */
- struct linger {
- int l_onoff; /* option on/off */
- int l_linger; /* linger time */
- };
- /*
- * 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 /* DEC Direct data link interface */
- #define AF_LAT 14 /* LAT */
- #define AF_HYLINK 15 /* NSC Hyperchannel */
- #define AF_APPLETALK 16 /* Apple Talk */
- #define AF_NIT 17 /* Network Interface Tap */
- #define AF_802 18 /* IEEE 802.2, also ISO 8802 */
- #define AF_ISO 19 /* ISO protocols */
- #define AF_OSI AF_ISO
- #define AF_X25 20 /* CCITT X.25 in particular */
- #define AF_OSINET 21
- #define AF_GOSIP 22
- #define AF_MAX 22
- /* Not supported by solaris */
- /* #define AF_ROUTE 17 /* Internal Routing Protocol */
- /* #define AF_LINK 18 /* Link layer interface */
- /* #define pseudo_AF_XTP 19 /* eXpress Transfer Protocol (no AF) */
- /*
- * Structure used by kernel to store most
- * addresses.
- */
- struct sockaddr {
- u_short sa_family; /* address family */
- char sa_data[14]; /* actually longer; address value */
- };
- /*
- * Structure used by kernel to pass protocol
- * information in raw sockets.
- */
- struct sockproto {
- u_short sp_family; /* address family */
- u_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_NIT AF_NIT
- #define PF_802 AF_802
- #define PF_ISO AF_ISO
- #define PF_OSI AF_ISO
- #define PF_X25 AF_X25
- #define PF_OSINET AF_OSINET
- #define PF_GOSIP AF_GOSIP
- #define PF_MAX AF_MAX
- /* #define PF_ROUTE AF_ROUTE */
- /* #define PF_LINK AF_LINK */
- /* #define PF_XTP pseudo_AF_XTP /* really just proto family, no AF */
- /*
- * Maximum queue length specifiable by listen.
- */
- #define SOMAXCONN 5
- /*
- * Message header for recvmsg and sendmsg calls.
- * Used value-result for recvmsg, value only for sendmsg.
- */
- struct msghdr {
- caddr_t msg_name; /* optional address */
- u_int msg_namelen; /* size of address */
- struct iovec *msg_iov; /* scatter/gather array */
- u_int msg_iovlen; /* # elements in msg_iov */
- caddr_t msg_accrights; /* access rights sent/received */
- int msg_accrightslen;
- };
- #define MSG_MAXIOVLEN 16
- #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_EOR 0x8 data completes record */
- /* #define MSG_TRUNC 0x10 data discarded before delivery */
- /* #define MSG_CTRUNC 0x20 control data lost before delivery */
- /* #define MSG_WAITALL 0x40 wait for full request or error */
- /*
- * Header for ancillary data objects in msg_control buffer.
- * Used for additional information with/about a datagram
- * not expressible by flags. The format is a sequence
- * of message elements headed by cmsghdr structures.
- */
- struct cmsghdr {
- u_int cmsg_len; /* data byte count, including hdr */
- int cmsg_level; /* originating protocol */
- int cmsg_type; /* protocol-specific type */
- /* followed by u_char cmsg_data[]; */
- };
- /* given pointer to struct adatahdr, return pointer to data */
- #define CMSG_DATA(cmsg) ((u_char *)((cmsg) + 1))
- /* given pointer to struct adatahdr, return pointer to next adatahdr */
- #define CMSG_NXTHDR(mhdr, cmsg)
- (((caddr_t)(cmsg) + (cmsg)->cmsg_len + sizeof(struct cmsghdr) >
- (mhdr)->msg_control + (mhdr)->msg_controllen) ?
- (struct cmsghdr *)NULL :
- (struct cmsghdr *)((caddr_t)(cmsg) + ALIGN((cmsg)->cmsg_len)))
- #define CMSG_FIRSTHDR(mhdr) ((struct cmsghdr *)(mhdr)->msg_control)
- /* "Socket"-level control message types: */
- #define SCM_RIGHTS 0x01 /* access rights (array of int) */
- /*
- * 4.3 compat sockaddr, move to compat file later
- */
- struct osockaddr {
- u_short sa_family; /* address family */
- char sa_data[14]; /* up to 14 bytes of direct address */
- };
- #define SYS_socketcall 83
- #define SO_ACCEPT 1
- #define SO_BIND 2
- #define SO_CONNECT 3
- #define SO_GETPEERNAME 4
- #define SO_GETSOCKNAME 5
- #define SO_GETSOCKOPT 6
- #define SO_LISTEN 7
- #define SO_RECV 8
- #define SO_RECVFROM 9
- #define SO_SEND 10
- #define SO_SENDTO 11
- #define SO_SETSOCKOPT 12
- #define SO_SHUTDOWN 13
- #define SO_SOCKET 14
- #define SO_SOCKPOLL 15
- #define SO_GETIPDOMAIN 16
- #define SO_SETIPDOMAIN 17
- #define SO_ADJTIME 18
- #include <sys/cdefs.h>
- __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 getpeername __P_((int, struct sockaddr *, int *));
- int getsockname __P_((int, struct sockaddr *, int *));
- int getsockopt __P_((int, int, int, void *, int *));
- int listen __P_((int, int));
- /* original definitions
- int recv __P_((int, void *, int, int));
- int recvfrom __P_((int, void *, int, int,
- struct sockaddr *, int *));
- int recvmsg __P_((int, struct msghdr *, int));
- int send __P_((int, const void *, int, int));
- int sendto __P_((int, const void *, int, int, const struct sockaddr *, int));
- int sendmsg __P_((int, const struct msghdr *, int));
- */
- ssize_t recv __P_((int, void *, size_t, int));
- ssize_t recvfrom __P_((int, void *, size_t, int,
- struct sockaddr *, int *));
- ssize_t recvmsg __P_((int, struct msghdr *, int));
- ssize_t send __P_((int, const void *, size_t, int));
- ssize_t sendto __P_((int, const void *, size_t, int,
- const struct sockaddr *, int));
- ssize_t sendmsg __P_((int, const struct msghdr *, int));
- int setsockopt __P_((int, int, int, const void *, int));
- int shutdown __P_((int, int));
- int socket __P_((int, int, int));
- int socketpair __P_((int, int, int, int *));
- __END_DECLS
- #endif /* !_SOCKET_H_ */