143 lines
4.6 KiB
C
143 lines
4.6 KiB
C
/* System-specific socket constants and types. Linux version.
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Copyright (C) 1991, 92, 94, 95, 96, 97 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef _SOCKETBITS_H
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#define _SOCKETBITS_H 1
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#include <features.h>
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#define __need_size_t
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#include <stddef.h>
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__BEGIN_DECLS
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/* Types of sockets. */
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enum __socket_type
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{
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SOCK_STREAM = 1, /* Sequenced, reliable, connection-based
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byte streams. */
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#define SOCK_STREAM SOCK_STREAM
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SOCK_DGRAM = 2, /* Connectionless, unreliable datagrams
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of fixed maximum length. */
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#define SOCK_DGRAM SOCK_DGRAM
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SOCK_RAW = 3, /* Raw protocol interface. */
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#define SOCK_RAW SOCK_RAW
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SOCK_RDM = 4, /* Reliably-delivered messages. */
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#define SOCK_RDM SOCK_RDM
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SOCK_SEQPACKET = 5, /* Sequenced, reliable, connection-based,
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datagrams of fixed maximum length. */
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#define SOCK_SEQPACKET SOCK_SEQPACKET
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SOCK_PACKET = 10 /* Linux specific way of getting packets
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at the dev level. For writing rarp and
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other similar things on the user level. */
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#define SOCK_PACKET SOCK_PACKET
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};
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/* Protocol families. */
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#define PF_UNSPEC 0 /* Unspecified. */
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#define PF_LOCAL 1 /* Local to host (pipes and file-domain). */
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#define PF_UNIX PF_LOCAL /* Old BSD name for PF_LOCAL. */
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#define PF_INET 2 /* IP protocol family. */
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#define PF_AX25 3 /* Amateur Radio AX.25. */
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#define PF_IPX 4 /* Novell Internet Protocol. */
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#define PF_APPLETALK 5 /* Don't use this. */
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#define PF_NETROM 6 /* Amateur radio NetROM. */
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#define PF_BRIDGE 7 /* Multiprotocol bridge. */
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#define PF_AAL5 8 /* Reserved for Werner's ATM. */
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#define PF_X25 9 /* Reserved for X.25 project. */
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#define PF_INET6 10 /* IP version 6. */
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#define PF_MAX 12 /* For now.. */
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/* Address families. */
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#define AF_UNSPEC PF_UNSPEC
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#define AF_LOCAL PF_LOCAL
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#define AF_UNIX PF_UNIX
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#define AF_INET PF_INET
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#define AF_AX25 PF_AX25
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#define AF_IPX PF_IPX
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#define AF_APPLETALK PF_APPLETALK
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#define AF_NETROM PF_NETROM
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#define AF_BRIDGE PF_BRIDGE
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#define AF_AAL5 PF_AAL5
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#define AF_X25 PF_X25
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#define AF_INET6 PF_INET6
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#define AF_MAX PF_MAX
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/* Maximum queue length specifiable by listen. */
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#define SOMAXCONN 128
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/* Get the definition of the macro to define the common sockaddr members. */
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#include <sockaddrcom.h>
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/* Structure describing a generic socket address. */
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struct sockaddr
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{
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__SOCKADDR_COMMON (sa_); /* Common data: address family and length. */
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char sa_data[14]; /* Address data. */
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};
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/* Bits in the FLAGS argument to `send', `recv', et al. */
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enum
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{
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MSG_OOB = 0x01, /* Process out-of-band data. */
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MSG_PEEK = 0x02, /* Peek at incoming messages. */
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MSG_DONTROUTE = 0x04, /* Don't use local routing. */
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MSG_CTRUNC = 0x08, /* Control data lost before delivery. */
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MSG_PROXY = 0x10 /* Supply or ask second address. */
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};
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/* Structure describing messages sent by
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`sendmsg' and received by `recvmsg'. */
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struct msghdr
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{
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__ptr_t msg_name; /* Address to send to/receive from. */
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int msg_namelen; /* Length of address data. */
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/* XXX Should be type `size_t' according to POSIX.1g. */
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struct iovec *msg_iov; /* Vector of data to send/receive into. */
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int msg_iovlen; /* Number of elements in the vector. */
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/* XXX Should be type `size_t' according to POSIX.1g. */
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__ptr_t msg_control; /* Ancillary data (eg BSD filedesc passing). */
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int msg_controllen; /* Ancillary data buffer length. */
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/* XXX Should be type `size_t' according to POSIX.1g. */
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int msg_flags; /* Flags on received message. */
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};
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/* Get socket manipulation related informations from kernel headers. */
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#include <asm/socket.h>
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/* Structure used to manipulate the SO_LINGER option. */
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struct linger
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{
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int l_onoff; /* Nonzero to linger on close. */
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int l_linger; /* Time to linger. */
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};
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__END_DECLS
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#endif /* socketbits.h */
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