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- /* @(#)socket.h 1.1 86/09/27 SMI; from UCB 4.27 83/05/27 */
-
-
- /*
- * Definitions related to sockets: types, address families, options.
- */
-
- /*
- * Types
- */
- #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 0x01 /* turn on debugging info recording */
- #define SO_ACCEPTCONN 0x02 /* socket has had listen() */
- #define SO_REUSEADDR 0x04 /* allow local address reuse */
- #define SO_KEEPALIVE 0x08 /* keep connections alive */
- #define SO_DONTROUTE 0x10 /* just use interface addresses */
- /* 0x20 was SO_NEWFDONCONN */
- #define SO_USELOOPBACK 0x40 /* bypass hardware when possible */
- #define SO_LINGER 0x80 /* linger on close if data present */
- #define SO_DONTLINGER (~SO_LINGER) /* ~SO_LINGER */
-
- /*
- * 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_MAX 12
-
- /*
- * Structure used by kernel to store most
- * addresses.
- */
- struct sockaddr {
- u_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 {
- 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_MAX 12
-
- /*
- * Level number for (get/set)sockopt() to apply to socket itself.
- */
- #define SOL_SOCKET 0xffff /* options for socket level */
-
- /*
- * Maximum queue length specifiable by listen.
- */
- #define SOMAXCONN 5
-
- /*
- * 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
-