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/* System-specific socket constants and types. OpenSolaris version.
Copyright (C) 1991, 1992, 1994-2001, 2004, 2006, 2007, 2008
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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; 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
#ifndef _SYS_SOCKET_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>
#define __SOCKADDR_IN6_EXTRA_FIELDS \
__uint32_t __sin6_src_id;
/* Type for length arguments in socket calls. */
#ifndef __socklen_t_defined
typedef __socklen_t socklen_t;
# define __socklen_t_defined
#endif
/* Types of sockets. */
enum __socket_type
{
SOCK_STREAM = 2, /* Sequenced, reliable, connection-based
byte streams. */
#define SOCK_STREAM SOCK_STREAM
SOCK_DGRAM = 1, /* Connectionless, unreliable datagrams
of fixed maximum length. */
#define SOCK_DGRAM SOCK_DGRAM
SOCK_RAW = 4, /* Raw protocol interface. */
#define SOCK_RAW SOCK_RAW
SOCK_RDM = 5, /* Reliably-delivered messages. */
#define SOCK_RDM SOCK_RDM
SOCK_SEQPACKET = 6 /* Sequenced, reliable, connection-based,
datagrams of fixed maximum length. */
#define SOCK_SEQPACKET SOCK_SEQPACKET
};
/* Protocol families. */
#define PF_UNSPEC 0 /* Unspecified. */
#define PF_LOCAL 1 /* Local to host (pipes and file-domain). */
#define PF_UNIX PF_LOCAL /* POSIX 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_NBS 7 /* NBS protocols. */
#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 /* Linux SNA Project */
#define PF_DECnet 12 /* Reserved for DECnet project. */
#define PF_DLI 13 /* Direct data link interface. */
#define PF_LAT 14 /* LAT. */
#define PF_HYLINK 15 /* NSC Hyperchannel. */
#define PF_APPLETALK 16 /* Appletalk DDP. */
#define PF_NIT 17 /* Network Interface Tap. */
#define PF_802 18 /* IEEE 802.2, also ISO 8802. */
#define PF_OSI 19 /* Umbrella for all families used. */
#define PF_X25 20 /* Reserved for X.25 project. */
#define PF_OSINET 21 /* AFI = 47, IDI = 4. */
#define PF_GOSIP 22 /* U.S. Government OSI. */
#define PF_IPX 23 /* Novell Internet Protocol. */
#define PF_ROUTE 24 /* Internal Routing Protocol. */
#define PF_LINK 25 /* Link-layer interface. */
#define PF_INET6 26 /* IP version 6. */
#define PF_KEY 27 /* PF_KEY key management API. */
#define PF_NCA 28 /* NCA socket. */
#define PF_POLICY 29 /* Security Policy DB socket. */
#define PF_INET_OFFLOAD 30 /* Sun private; do not use. */
#define PF_MAX 30 /* For now.. */
/* Address families. */
#define AF_UNSPEC PF_UNSPEC
#define AF_UNIX PF_UNIX
#define AF_LOCAL PF_LOCAL
#define AF_INET PF_INET
#define AF_IMPLINK PF_IMPLINK
#define AF_PUP PF_PUP
#define AF_CHAOS PF_CHAOS
#define AF_NS PF_NBS
#define AF_NBS PF_NBS
#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_NIT PF_NIT
#define AF_802 PF_802
#define AF_X25 PF_X25
#define AF_OSINET PF_OSINET
#define AF_GOSIP PF_GOSIP
#define AF_IPX PF_IPX
#define AF_ROUTE PF_ROUTE
#define AF_LINK PF_LINK
#define AF_INET6 PF_INET6
#define AF_KEY PF_X25
#define AF_NCA PF_X25
#define AF_POLICY PF_POLICY
#define AF_INET_OFFLOAD PF_INET_OFFLOAD
#define AF_MAX PF_MAX
/* Socket level values. */
#define SOL_SOCKET 0xFFFF
#define SOL_IP 0 /* IPPROTO_IP */
#define SOL_ICMP 1 /* IPPROTO_ICMP */
#define SOL_TCP 6 /* IPPROTO_TCP */
#define SOL_UDP 17 /* IPPROTO_UDP */
#define SOL_IPV6 41 /* IPPROTO_IPV6 */
#define SOL_ICMPV6 58 /* IPPROTO_ICMPV6 */
#define SOL_SCTP 132 /* IPPROTO_SCTP */
#define SOL_RAW 255 /* IPPROTO_RAW */
/* Maximum queue length specifiable by listen. */
#define SOMAXCONN 128
/* 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. */
#define _SS_MAXSIZE 256
#define _SS_ALIGNSIZE (sizeof (sockaddr_maxalign_t))
typedef double sockaddr_maxalign_t;
#define _SS_PAD1SIZE (_SS_ALIGNSIZE - sizeof (sa_family_t))
#define _SS_PAD2SIZE (_SS_MAXSIZE - (sizeof (sa_family_t) + \
_SS_PAD1SIZE + _SS_ALIGNSIZE))
struct sockaddr_storage
{
__SOCKADDR_COMMON (ss_); /* Address family, etc. */
char _ss_pad1[_SS_PAD1SIZE];
sockaddr_maxalign_t __ss_align; /* Force desired alignment. */
char _ss_pad2[_SS_PAD2SIZE];
};
/* 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
#ifdef __USE_GNU
/* DECnet uses a different name. */
MSG_TRYHARD = MSG_DONTROUTE,
# define MSG_TRYHARD MSG_DONTROUTE
#endif
MSG_EOR = 0x08, /* End of record. */
#define MSG_EOR MSG_EOR
MSG_CTRUNC = 0x10, /* Control data lost before delivery. */
#define MSG_CTRUNC MSG_CTRUNC
MSG_TRUNC = 0x20,
#define MSG_TRUNC MSG_TRUNC
MSG_WAITALL = 0x40, /* Wait for a full request. */
#define MSG_WAITALL MSG_WAITALL
MSG_DONTWAIT = 0x80, /* Nonblocking IO. */
#define MSG_DONTWAIT MSG_DONTWAIT
MSG_NOTIFICATION = 0x100, /* Notification, not data. */
#define MSG_NOTIFICATION MSG_NOTIFICICATION
MSG_XPG4_2 = 0x8000, /* Private: XPG4.2 flag. */
#define MSG_XPG4_2 MSG_XPG4_2
/* The following are not supported by the OpenSolaris kernel. */
MSG_NOSIGNAL = 0x4000, /* Do not generate SIGPIPE. */
#define MSG_NOSIGNAL MSG_NOSIGNAL
};
/* 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. */
size_t 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. */
};
/* Ancillary data object manipulation macros. */
#if defined(__sparc__)
# define _CMSG_HDR_ALIGNMENT 8
#else
# define _CMSG_HDR_ALIGNMENT 4
#endif
#define CMSG_ALIGN(len) (((uintptr_t)(len) + _CMSG_HDR_ALIGNMENT - 1) \
& ~(_CMSG_HDR_ALIGNMENT - 1))
#define _CMSG_HDR_ALIGN(x) CMSG_ALIGN(x)
#define CMSG_DATA(cmsg) ((unsigned char *) CMSG_ALIGN((struct cmsghdr *) (cmsg) + 1))
#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_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 *
__NTH (__cmsg_nxthdr (struct msghdr *__mhdr, struct cmsghdr *__cmsg))
{
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 options. */
#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_DGRAM_ERRIND 0x0200 /* Application wants delayed error. */
#define SO_RECVUCRED 0x0400 /* Application wants ucred of sender. */
/* Socket 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. */
#define SO_ANON_MLP 0x100a /* Create MLP on anonymous bind. */
#define SO_MAC_EXEMPT 0x100b /* Allow dominated unlabeled peers. */
#define SO_DOMAIN 0x100c /* Get socket domain. */
/* SCM_RIGHTS = 0x1010 */
#define SO_SECATTR 0x1011 /* Socket's security attributes. */
/* SCM_UCRED = 0x1012 */
#define SO_TIMESTAMP 0x1013 /* Sender's ucred. */
#define SO_ALLZONES 0x1014 /* Bind in all zones. */
#define SO_EXCLBIND 0x1015 /* Exclusive binding. */
/* Socket level message types. */
enum
{
SCM_RIGHTS = 0x1010, /* Transfer file descriptors. */
#define SCM_RIGHTS SCM_RIGHTS
SCM_UCRED = 0x1012,
#define SCM_UCRED SCM_UCRED
SCM_TIMESTAMP = SO_TIMESTAMP
#define SCM_TIMESTAMP SCM_TIMESTAMP
};
/* Structure used to manipulate the SO_LINGER option. */
struct linger
{
int l_onoff; /* Nonzero to linger on close. */
int l_linger; /* Time to linger. */
};
/* Socket versions. */
#define SOV_STREAM 0 /* Not a socket - just a stream. */
#define SOV_DEFAULT 1 /* Select based on so_default_version. */
#define SOV_SOCKSTREAM 2 /* Socket plus streams operations. */
#define SOV_SOCKBSD 3 /* Socket with no streams operations. */
#define SOV_XPG4_2 4 /* Xnet socket. */
#endif /* bits/socket.h */
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