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/* System-specific socket constants and types. AIX version.
Copyright (C) 1991,92,94,95,96,97,98,99, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef __BITS_SOCKET_H
#define __BITS_SOCKET_H
#if !defined _SYS_SOCKET_H && !defined _NETINET_IN_H
# error "Never include <bits/socket.h> directly; use <sys/socket.h> instead."
#endif
#define __need_size_t
#define __need_NULL
#include <stddef.h>
#include <limits.h>
#include <sys/types.h>
/* Type for length arguments in socket calls. */
typedef unsigned int socklen_t;
/* Types of sockets. */
enum __socket_type
{
SOCK_STREAM = 1, /* Sequenced, reliable, connection-based
byte streams. */
#define SOCK_STREAM SOCK_STREAM
SOCK_DGRAM = 2, /* Connectionless, unreliable datagrams
of fixed maximum length. */
#define SOCK_DGRAM SOCK_DGRAM
SOCK_RAW = 3, /* Raw protocol interface. */
#define SOCK_RAW SOCK_RAW
SOCK_RDM = 4, /* Reliably-delivered messages. */
#define SOCK_RDM SOCK_RDM
SOCK_SEQPACKET = 5, /* Sequenced, reliable, connection-based,
datagrams of fixed maximum length. */
#define SOCK_SEQPACKET SOCK_SEQPACKET
SOCK_CONN_DGRAM = 6 /* Conneciton datagram. */
#define SOCK_CONN_DGRAM SOCK_CONN_DGRAM
};
/* Protocol families. */
#define PF_UNSPEC 0 /* Unspecified. */
#define PF_LOCAL 1 /* Local to host (pipes and file-domain). */
#define PF_UNIX PF_LOCAL /* Old BSD name for PF_LOCAL. */
#define PF_FILE PF_LOCAL /* Another non-standard name for PF_LOCAL. */
#define PF_INET 2 /* IP protocol family. */
#define PF_IMPLINK 3 /* ARPAnet IMP addresses. */
#define PF_PUP 4 /* PUP protocols (e.g., BSP). */
#define PF_CHAOS 5 /* MIT CHAOS protocols. */
#define PF_NS 6 /* XEROX NS protocols. */
#define PF_ISO 7 /* ISO protocols. */
#define PF_OSI PF_ISO
#define PF_ECMA 8 /* European Computer Manufacturers. */
#define PF_DATAKIT 9 /* Datakit protocols. */
#define PF_CCITT 10 /* CCITT protocols, X.25 etc. */
#define PF_SNA 11 /* IBM SNA. */
#define PF_DECnet 12 /* DECnet. */
#define PF_DLI 13 /* DEC Direct data link interface. */
#define PF_LAT 14 /* LAT. */
#define PF_HYLINK 15 /* NSC Hyperchannel. */
#define PF_APPLETALK 16 /* Apple Talk. */
#define PF_NETLINK 17 /* Internet Routing Protocol. */
#define PF_ROUTE PF_NETLINK /* Alias to emulate 4.4BSD. */
#define PF_LINK 18 /* Link layer interface. */
#define PF_XTP 19 /* eXpress Transfer Protocol (no AF). */
#define PF_INTF 20 /* Debugging use only. */
#define PF_RIF 21 /* Raw interface. */
#define PF_NETWARE 22
#define PF_NDD 23
#define PF_INET6 24 /* IPv6. */
#define PF_MAX 30 /* For now.. */
/* Address families. */
#define AF_UNSPEC PF_UNSPEC
#define AF_LOCAL PF_LOCAL
#define AF_UNIX PF_UNIX
#define AF_FILE PF_FILE
#define AF_INET PF_INET
#define AF_IMPLINK PF_IMPLINK
#define AF_PUP PF_PUP
#define AF_CHAOS PF_CHAOS
#define AF_NS PF_NS
#define AF_ISO PF_ISO
#define AF_OSI PF_OSI
#define AF_ECMA PF_ECMA
#define AF_DATAKIT PF_DATAKIT
#define AF_CCITT PF_CCITT
#define AF_SNA PF_SNA
#define AF_DECnet PF_DECnet
#define AF_DLI PF_DLI
#define AF_LAT PF_LAT
#define AF_HYLINK PF_HYLINK
#define AF_APPLETALK PF_APPLETALK
#define AF_NETLINK PF_NETLINK
#define AF_ROUTE PF_ROUTE
#define AF_LINK PF_LINK
#define AF_INTF PF_INTF
#define AF_RIF PF_RIF
#define AF_NETWARE PF_NETWARE
#define AF_NDD PF_NDD
#define AF_INET6 PF_INET6
#define AF_MAX PF_MAX
/* Socket level values. Others are defined in the appropriate headers.
XXX These definitions also should go into the appropriate headers as
far as they are available. */
#define SOL_SOCKET 0xffff
/* Maximum queue length specifiable by listen. */
#define SOMAXCONN 1024
/* Get the definition of the macro to define the common sockaddr members. */
#include <bits/sockaddr.h>
/* Structure describing a generic socket address. */
struct sockaddr
{
__SOCKADDR_COMMON (sa_); /* Common data: address family and length. */
char sa_data[14]; /* Address data. */
};
/* Structure large enough to hold any socket address (with the historical
exception of AF_UNIX). We reserve 128 bytes. */
#if ULONG_MAX > 0xffffffff
# define __ss_aligntype __uint64_t
#else
# define __ss_aligntype __uint32_t
#endif
#define _SS_SIZE 128
#define _SS_PADSIZE (_SS_SIZE - (2 * sizeof (__ss_aligntype)))
struct sockaddr_storage
{
__SOCKADDR_COMMON (__ss_); /* Address family, etc. */
__ss_aligntype __ss_align; /* Force desired alignment. */
char __ss_padding[_SS_PADSIZE];
};
/* Bits in the FLAGS argument to `send', `recv', et al. */
enum
{
MSG_OOB = 0x01, /* Process out-of-band data. */
#define MSG_OOB MSG_OOB
MSG_PEEK = 0x02, /* Peek at incoming messages. */
#define MSG_PEEK MSG_PEEK
MSG_DONTROUTE = 0x04, /* Don't use local routing. */
#define MSG_DONTROUTE MSG_DONTROUTE
MSG_EOR = 0x08, /* End of record. */
#define MSG_EOR MSG_EOR
MSG_TRUNC = 0x10,
#define MSG_TRUNC MSG_TRUNC
MSG_CTRUNC = 0x20, /* Control data lost before delivery. */
#define MSG_CTRUNC MSG_CTRUNC
MSG_WAITALL = 0x40, /* Wait for a full request. */
#define MSG_WAITALL MSG_WAITALL
MSG_MPEG2 = 0x80, /* Message contain MPEG2 data. */
#define MSG_MPEG2 MSG_MPEG2
};
/* Structure describing messages sent by
`sendmsg' and received by `recvmsg'. */
struct msghdr
{
void *msg_name; /* Address to send to/receive from. */
socklen_t msg_namelen; /* Length of address data. */
struct iovec *msg_iov; /* Vector of data to send/receive into. */
int msg_iovlen; /* Number of elements in the vector. */
void *msg_control; /* Ancillary data (eg BSD filedesc passing). */
socklen_t msg_controllen; /* Ancillary data buffer length. */
int msg_flags; /* Flags on received message. */
};
/* Structure used for storage of ancillary data object information. */
struct cmsghdr
{
socklen_t cmsg_len; /* Length of data in cmsg_data plus length
of cmsghdr structure. */
int cmsg_level; /* Originating protocol. */
int cmsg_type; /* Protocol specific type. */
#if !defined __STRICT_ANSI__ && defined __GNUC__ && __GNUC__ >= 2
unsigned char __cmsg_data[0]; /* Ancillary data. */
/* XXX Perhaps this should be removed. */
#endif
};
/* Ancillary data object manipulation macros. */
#if !defined __STRICT_ANSI__ && defined __GNUC__ && __GNUC__ >= 2
# define CMSG_DATA(cmsg) ((cmsg)->__cmsg_data)
#else
# define CMSG_DATA(cmsg) ((unsigned char *) ((struct cmsghdr *) (cmsg) + 1))
#endif
#define CMSG_NXTHDR(mhdr, cmsg) __cmsg_nxthdr (mhdr, cmsg)
#define CMSG_FIRSTHDR(mhdr) \
((size_t) (mhdr)->msg_controllen >= sizeof (struct cmsghdr) \
? (struct cmsghdr *) (mhdr)->msg_control : (struct cmsghdr *) NULL)
#define CMSG_ALIGN(len) (((len) + sizeof (size_t) - 1) \
& ~(sizeof (size_t) - 1))
#define CMSG_SPACE(len) (CMSG_ALIGN (len) \
+ CMSG_ALIGN (sizeof (struct cmsghdr)))
#define CMSG_LEN(len) (CMSG_ALIGN (sizeof (struct cmsghdr)) + (len))
extern struct cmsghdr *__cmsg_nxthdr (struct msghdr *__mhdr,
struct cmsghdr *__cmsg) __THROW;
#ifdef __USE_EXTERN_INLINES
# ifndef _EXTERN_INLINE
# define _EXTERN_INLINE extern __inline
# endif
_EXTERN_INLINE struct cmsghdr *
__cmsg_nxthdr (struct msghdr *__mhdr, struct cmsghdr *__cmsg) __THROW
{
if ((size_t) __cmsg->cmsg_len < sizeof (struct cmsghdr))
/* The kernel header does this so there may be a reason. */
return 0;
__cmsg = (struct cmsghdr *) ((unsigned char *) __cmsg
+ CMSG_ALIGN (__cmsg->cmsg_len));
if ((unsigned char *) (__cmsg + 1) >= ((unsigned char *) __mhdr->msg_control
+ __mhdr->msg_controllen)
|| ((unsigned char *) __cmsg + CMSG_ALIGN (__cmsg->cmsg_len)
>= ((unsigned char *) __mhdr->msg_control + __mhdr->msg_controllen)))
/* No more entries. */
return 0;
return __cmsg;
}
#endif /* Use `extern inline'. */
/* Socket level message types. This must match the definitions in
<linux/socket.h>. */
enum
{
SCM_RIGHTS = 0x01 /* Transfer file descriptors. */
#define SCM_RIGHTS SCM_RIGHTS
};
/* Options 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. */
#define SO_REUSEPORT 0x0200 /* Allow local address & port reuse. */
#define SO_USE_IFBUFS 0x0400 /* Interface will supply buffers. */
#define SO_CKSUMRECV 0x0800 /* Defer checksum until receive. */
#define SO_NOREUSEADDR 0x1000 /* Prevent local address reuse. */
#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_KERNACCEPT 0x2000 /* Derive a in-kernel only socket. */
#define SO_AUDIT 0x8000 /* Turn on socket auditing. */
/* Structure used to manipulate the SO_LINGER option. */
struct linger
{
int l_onoff; /* Nonzero to linger on close. */
int l_linger; /* Time to linger. */
};
#endif /* bits/socket.h */
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