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++ b/ports/sysdeps/unix/sysv/linux/alpha/bits/socket.h |
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/* System-specific socket constants and types. Linux version. |
|
|
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Copyright (C) 1991, 1992, 1994-2001, 2004, 2006, 2007, 2008, 2009 |
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Free Software Foundation, Inc. |
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This file is part of the GNU C Library. |
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|
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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 Lesser General Public |
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License as published by the Free Software Foundation; either |
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version 2.1 of the License, or (at your option) any later version. |
10 |
|
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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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Lesser General Public License for more details. |
15 |
|
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You should have received a copy of the GNU Lesser General Public |
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License along with the GNU C Library; if not, write to the Free |
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
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02111-1307 USA. */ |
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|
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#ifndef __BITS_SOCKET_H |
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#define __BITS_SOCKET_H |
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|
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#ifndef _SYS_SOCKET_H |
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# error "Never include <bits/socket.h> directly; use <sys/socket.h> instead." |
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#endif |
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|
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#define __need_size_t |
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#include <stddef.h> |
30 |
|
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#include <sys/types.h> |
32 |
|
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/* Type for length arguments in socket calls. */ |
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#ifndef __socklen_t_defined |
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typedef __socklen_t socklen_t; |
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# define __socklen_t_defined |
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#endif |
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|
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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_DCCP = 6, /* Datagram Congestion Control Protocol. */ |
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#define SOCK_DCCP SOCK_DCCP |
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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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/* Flags to be ORed into the type parameter of socket and socketpair and |
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used for the flags parameter of paccept. */ |
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|
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SOCK_CLOEXEC = 010000000, /* Atomically set close-on-exec flag for the |
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new descriptor(s). */ |
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#define SOCK_CLOEXEC SOCK_CLOEXEC |
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#undef SOCK_NONBLOCK |
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SOCK_NONBLOCK = 0x40000000 /* Atomically mark descriptor(s) as |
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non-blocking. */ |
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#define SOCK_NONBLOCK SOCK_NONBLOCK |
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}; |
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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 /* POSIX name for PF_LOCAL. */ |
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#define PF_FILE PF_LOCAL /* Another non-standard 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 /* Appletalk DDP. */ |
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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_ATMPVC 8 /* ATM PVCs. */ |
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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_ROSE 11 /* Amateur Radio X.25 PLP. */ |
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#define PF_DECnet 12 /* Reserved for DECnet project. */ |
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#define PF_NETBEUI 13 /* Reserved for 802.2LLC project. */ |
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#define PF_SECURITY 14 /* Security callback pseudo AF. */ |
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#define PF_KEY 15 /* PF_KEY key management API. */ |
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#define PF_NETLINK 16 |
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#define PF_ROUTE PF_NETLINK /* Alias to emulate 4.4BSD. */ |
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#define PF_PACKET 17 /* Packet family. */ |
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#define PF_ASH 18 /* Ash. */ |
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#define PF_ECONET 19 /* Acorn Econet. */ |
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#define PF_ATMSVC 20 /* ATM SVCs. */ |
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#define PF_RDS 21 /* RDS sockets. */ |
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#define PF_SNA 22 /* Linux SNA Project */ |
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#define PF_IRDA 23 /* IRDA sockets. */ |
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#define PF_PPPOX 24 /* PPPoX sockets. */ |
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#define PF_WANPIPE 25 /* Wanpipe API sockets. */ |
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#define PF_LLC 26 /* Linux LLC. */ |
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#define PF_CAN 29 /* Controller Area Network. */ |
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#define PF_TIPC 30 /* TIPC sockets. */ |
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#define PF_BLUETOOTH 31 /* Bluetooth sockets. */ |
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#define PF_IUCV 32 /* IUCV sockets. */ |
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#define PF_RXRPC 33 /* RxRPC sockets. */ |
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#define PF_ISDN 34 /* mISDN sockets. */ |
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#define PF_PHONET 35 /* Phonet sockets. */ |
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#define PF_IEEE802154 36 /* IEEE 802.15.4 sockets. */ |
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#define PF_MAX 37 /* For now.. */ |
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|
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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_FILE PF_FILE |
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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_ATMPVC PF_ATMPVC |
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#define AF_X25 PF_X25 |
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#define AF_INET6 PF_INET6 |
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#define AF_ROSE PF_ROSE |
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#define AF_DECnet PF_DECnet |
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#define AF_NETBEUI PF_NETBEUI |
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#define AF_SECURITY PF_SECURITY |
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#define AF_KEY PF_KEY |
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#define AF_NETLINK PF_NETLINK |
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#define AF_ROUTE PF_ROUTE |
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#define AF_PACKET PF_PACKET |
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#define AF_ASH PF_ASH |
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#define AF_ECONET PF_ECONET |
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#define AF_ATMSVC PF_ATMSVC |
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#define AF_RDS PF_RDS |
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#define AF_SNA PF_SNA |
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#define AF_IRDA PF_IRDA |
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#define AF_PPPOX PF_PPPOX |
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#define AF_WANPIPE PF_WANPIPE |
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#define AF_LLC PF_LLC |
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#define AF_CAN PF_CAN |
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#define AF_TIPC PF_TIPC |
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#define AF_BLUETOOTH PF_BLUETOOTH |
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#define AF_IUCV PF_IUCV |
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#define AF_RXRPC PF_RXRPC |
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#define AF_ISDN PF_ISDN |
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#define AF_PHONET PF_PHONET |
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#define AF_IEEE802154 PF_IEEE802154 |
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#define AF_MAX PF_MAX |
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|
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/* Socket level values. Others are defined in the appropriate headers. |
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|
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XXX These definitions also should go into the appropriate headers as |
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far as they are available. */ |
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#define SOL_RAW 255 |
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#define SOL_DECNET 261 |
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#define SOL_X25 262 |
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#define SOL_PACKET 263 |
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#define SOL_ATM 264 /* ATM layer (cell level). */ |
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#define SOL_AAL 265 /* ATM Adaption Layer (packet level). */ |
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#define SOL_IRDA 266 |
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|
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/* Maximum queue length specifiable by listen. */ |
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#define SOMAXCONN 128 |
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|
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/* Get the definition of the macro to define the common sockaddr members. */ |
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#include <bits/sockaddr.h> |
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|
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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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|
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|
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/* Structure large enough to hold any socket address (with the historical |
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exception of AF_UNIX). We reserve 128 bytes. */ |
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#define __ss_aligntype unsigned long int |
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#define _SS_SIZE 128 |
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#define _SS_PADSIZE (_SS_SIZE - (2 * sizeof (__ss_aligntype))) |
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|
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struct sockaddr_storage |
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{ |
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__SOCKADDR_COMMON (ss_); /* Address family, etc. */ |
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__ss_aligntype __ss_align; /* Force desired alignment. */ |
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char __ss_padding[_SS_PADSIZE]; |
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}; |
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|
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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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#define MSG_OOB MSG_OOB |
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MSG_PEEK = 0x02, /* Peek at incoming messages. */ |
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#define MSG_PEEK MSG_PEEK |
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MSG_DONTROUTE = 0x04, /* Don't use local routing. */ |
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#define MSG_DONTROUTE MSG_DONTROUTE |
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#ifdef __USE_GNU |
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/* DECnet uses a different name. */ |
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MSG_TRYHARD = MSG_DONTROUTE, |
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# define MSG_TRYHARD MSG_DONTROUTE |
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#endif |
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MSG_CTRUNC = 0x08, /* Control data lost before delivery. */ |
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#define MSG_CTRUNC MSG_CTRUNC |
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MSG_PROXY = 0x10, /* Supply or ask second address. */ |
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#define MSG_PROXY MSG_PROXY |
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MSG_TRUNC = 0x20, |
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#define MSG_TRUNC MSG_TRUNC |
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MSG_DONTWAIT = 0x40, /* Nonblocking IO. */ |
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#define MSG_DONTWAIT MSG_DONTWAIT |
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MSG_EOR = 0x80, /* End of record. */ |
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#define MSG_EOR MSG_EOR |
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MSG_WAITALL = 0x100, /* Wait for a full request. */ |
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#define MSG_WAITALL MSG_WAITALL |
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MSG_FIN = 0x200, |
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#define MSG_FIN MSG_FIN |
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MSG_SYN = 0x400, |
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#define MSG_SYN MSG_SYN |
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MSG_CONFIRM = 0x800, /* Confirm path validity. */ |
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#define MSG_CONFIRM MSG_CONFIRM |
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MSG_RST = 0x1000, |
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#define MSG_RST MSG_RST |
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MSG_ERRQUEUE = 0x2000, /* Fetch message from error queue. */ |
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#define MSG_ERRQUEUE MSG_ERRQUEUE |
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MSG_NOSIGNAL = 0x4000, /* Do not generate SIGPIPE. */ |
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#define MSG_NOSIGNAL MSG_NOSIGNAL |
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MSG_MORE = 0x8000, /* Sender will send more. */ |
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#define MSG_MORE MSG_MORE |
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|
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MSG_CMSG_CLOEXEC = 0x40000000 /* Set close_on_exit for file |
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descriptor received through |
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SCM_RIGHTS. */ |
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#define MSG_CMSG_CLOEXEC MSG_CMSG_CLOEXEC |
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}; |
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|
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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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void *msg_name; /* Address to send to/receive from. */ |
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socklen_t msg_namelen; /* Length of address data. */ |
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|
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struct iovec *msg_iov; /* Vector of data to send/receive into. */ |
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size_t msg_iovlen; /* Number of elements in the vector. */ |
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|
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void *msg_control; /* Ancillary data (eg BSD filedesc passing). */ |
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size_t msg_controllen; /* Ancillary data buffer length. |
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!! The type should be socklen_t but the |
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definition of the kernel is incompatible |
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with this. */ |
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|
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int msg_flags; /* Flags on received message. */ |
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}; |
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|
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/* Structure used for storage of ancillary data object information. */ |
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struct cmsghdr |
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{ |
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size_t cmsg_len; /* Length of data in cmsg_data plus length |
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of cmsghdr structure. |
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!! The type should be socklen_t but the |
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definition of the kernel is incompatible |
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with this. */ |
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int cmsg_level; /* Originating protocol. */ |
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int cmsg_type; /* Protocol specific type. */ |
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#if (!defined __STRICT_ANSI__ && __GNUC__ >= 2) || __STDC_VERSION__ >= 199901L |
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__extension__ unsigned char __cmsg_data __flexarr; /* Ancillary data. */ |
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#endif |
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}; |
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|
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/* Ancillary data object manipulation macros. */ |
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#if (!defined __STRICT_ANSI__ && __GNUC__ >= 2) || __STDC_VERSION__ >= 199901L |
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# define CMSG_DATA(cmsg) ((cmsg)->__cmsg_data) |
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#else |
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# define CMSG_DATA(cmsg) ((unsigned char *) ((struct cmsghdr *) (cmsg) + 1)) |
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#endif |
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#define CMSG_NXTHDR(mhdr, cmsg) __cmsg_nxthdr (mhdr, cmsg) |
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#define CMSG_FIRSTHDR(mhdr) \ |
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((size_t) (mhdr)->msg_controllen >= sizeof (struct cmsghdr) \ |
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? (struct cmsghdr *) (mhdr)->msg_control : (struct cmsghdr *) 0) |
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#define CMSG_ALIGN(len) (((len) + sizeof (size_t) - 1) \ |
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& (size_t) ~(sizeof (size_t) - 1)) |
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#define CMSG_SPACE(len) (CMSG_ALIGN (len) \ |
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+ CMSG_ALIGN (sizeof (struct cmsghdr))) |
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#define CMSG_LEN(len) (CMSG_ALIGN (sizeof (struct cmsghdr)) + (len)) |
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|
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extern struct cmsghdr *__cmsg_nxthdr (struct msghdr *__mhdr, |
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struct cmsghdr *__cmsg) __THROW; |
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#ifdef __USE_EXTERN_INLINES |
297 |
# ifndef _EXTERN_INLINE |
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# define _EXTERN_INLINE __extern_inline |
299 |
# endif |
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_EXTERN_INLINE struct cmsghdr * |
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__NTH (__cmsg_nxthdr (struct msghdr *__mhdr, struct cmsghdr *__cmsg)) |
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{ |
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if ((size_t) __cmsg->cmsg_len < sizeof (struct cmsghdr)) |
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/* The kernel header does this so there may be a reason. */ |
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return 0; |
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|
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__cmsg = (struct cmsghdr *) ((unsigned char *) __cmsg |
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+ CMSG_ALIGN (__cmsg->cmsg_len)); |
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if ((unsigned char *) (__cmsg + 1) > ((unsigned char *) __mhdr->msg_control |
310 |
+ __mhdr->msg_controllen) |
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|| ((unsigned char *) __cmsg + CMSG_ALIGN (__cmsg->cmsg_len) |
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> ((unsigned char *) __mhdr->msg_control + __mhdr->msg_controllen))) |
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/* No more entries. */ |
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return 0; |
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return __cmsg; |
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} |
317 |
#endif /* Use `extern inline'. */ |
318 |
|
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/* Socket level message types. This must match the definitions in |
320 |
<linux/socket.h>. */ |
321 |
enum |
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{ |
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SCM_RIGHTS = 0x01 /* Transfer file descriptors. */ |
324 |
#define SCM_RIGHTS SCM_RIGHTS |
325 |
#ifdef __USE_GNU |
326 |
, SCM_CREDENTIALS = 0x02 /* Credentials passing. */ |
327 |
# define SCM_CREDENTIALS SCM_CREDENTIALS |
328 |
#endif |
329 |
}; |
330 |
|
331 |
#ifdef __USE_GNU |
332 |
/* User visible structure for SCM_CREDENTIALS message */ |
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struct ucred |
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{ |
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pid_t pid; /* PID of sending process. */ |
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uid_t uid; /* UID of sending process. */ |
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gid_t gid; /* GID of sending process. */ |
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}; |
339 |
#endif |
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|
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/* Ugly workaround for unclean kernel headers. */ |
342 |
#if !defined __USE_MISC && !defined __USE_GNU |
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# ifndef FIOGETOWN |
344 |
# define __SYS_SOCKET_H_undef_FIOGETOWN |
345 |
# endif |
346 |
# ifndef FIOSETOWN |
347 |
# define __SYS_SOCKET_H_undef_FIOSETOWN |
348 |
# endif |
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# ifndef SIOCATMARK |
350 |
# define __SYS_SOCKET_H_undef_SIOCATMARK |
351 |
# endif |
352 |
# ifndef SIOCGPGRP |
353 |
# define __SYS_SOCKET_H_undef_SIOCGPGRP |
354 |
# endif |
355 |
# ifndef SIOCGSTAMP |
356 |
# define __SYS_SOCKET_H_undef_SIOCGSTAMP |
357 |
# endif |
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# ifndef SIOCGSTAMPNS |
359 |
# define __SYS_SOCKET_H_undef_SIOCGSTAMPNS |
360 |
# endif |
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# ifndef SIOCSPGRP |
362 |
# define __SYS_SOCKET_H_undef_SIOCSPGRP |
363 |
# endif |
364 |
#endif |
365 |
|
366 |
/* Get socket manipulation related informations from kernel headers. */ |
367 |
#include <asm/socket.h> |
368 |
|
369 |
#if !defined __USE_MISC && !defined __USE_GNU |
370 |
# ifdef __SYS_SOCKET_H_undef_FIOGETOWN |
371 |
# undef __SYS_SOCKET_H_undef_FIOGETOWN |
372 |
# undef FIOGETOWN |
373 |
# endif |
374 |
# ifdef __SYS_SOCKET_H_undef_FIOSETOWN |
375 |
# undef __SYS_SOCKET_H_undef_FIOSETOWN |
376 |
# undef FIOSETOWN |
377 |
# endif |
378 |
# ifdef __SYS_SOCKET_H_undef_SIOCATMARK |
379 |
# undef __SYS_SOCKET_H_undef_SIOCATMARK |
380 |
# undef SIOCATMARK |
381 |
# endif |
382 |
# ifdef __SYS_SOCKET_H_undef_SIOCGPGRP |
383 |
# undef __SYS_SOCKET_H_undef_SIOCGPGRP |
384 |
# undef SIOCGPGRP |
385 |
# endif |
386 |
# ifdef __SYS_SOCKET_H_undef_SIOCGSTAMP |
387 |
# undef __SYS_SOCKET_H_undef_SIOCGSTAMP |
388 |
# undef SIOCGSTAMP |
389 |
# endif |
390 |
# ifdef __SYS_SOCKET_H_undef_SIOCGSTAMPNS |
391 |
# undef __SYS_SOCKET_H_undef_SIOCGSTAMPNS |
392 |
# undef SIOCGSTAMPNS |
393 |
# endif |
394 |
# ifdef __SYS_SOCKET_H_undef_SIOCSPGRP |
395 |
# undef __SYS_SOCKET_H_undef_SIOCSPGRP |
396 |
# undef SIOCSPGRP |
397 |
# endif |
398 |
#endif |
399 |
|
400 |
/* Structure used to manipulate the SO_LINGER option. */ |
401 |
struct linger |
402 |
{ |
403 |
int l_onoff; /* Nonzero to linger on close. */ |
404 |
int l_linger; /* Time to linger. */ |
405 |
}; |
406 |
|
407 |
#endif /* bits/socket.h */ |