| /* System-specific socket constants and types. Generic/4.3 BSD version. |
| Copyright (C) 1991,92,1994-1999,2000,2001 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 1 |
| |
| #if !defined _SYS_SOCKET_H && !defined _NETINET_IN_H |
| # error "Never include <bits/socket.h> directly; use <sys/socket.h> instead." |
| #endif |
| |
| #include <limits.h> |
| #include <bits/types.h> |
| |
| #define __need_size_t |
| #include <stddef.h> |
| |
| /* 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 = 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 |
| }; |
| |
| /* 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 /* POSIX name for PF_LOCAL. */ |
| #define PF_INET 2 /* IP protocol family. */ |
| #define PF_IMPLINK 3 /* ARPAnet IMP protocol. */ |
| #define PF_PUP 4 /* PUP protocols. */ |
| #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 /* ECMA protocols. */ |
| #define PF_DATAKIT 9 /* AT&T Datakit protocols. */ |
| #define PF_CCITT 10 /* CCITT protocols (X.25 et al). */ |
| #define PF_SNA 11 /* IBM SNA protocol. */ |
| #define PF_DECnet 12 /* DECnet protocols. */ |
| #define PF_DLI 13 /* Direct data link interface. */ |
| #define PF_LAT 14 /* DEC Local Area Transport protocol. */ |
| #define PF_HYLINK 15 /* NSC Hyperchannel protocol. */ |
| #define PF_APPLETALK 16 /* Don't use this. */ |
| #define PF_ROUTE 17 /* Internal Routing Protocol. */ |
| #define PF_LINK 18 /* Link layer interface. */ |
| #define PF_XTP 19 /* eXpress Transfer Protocol (no AF). */ |
| #define PF_COIP 20 /* Connection-oriented IP, aka ST II. */ |
| #define PF_CNT 21 /* Computer Network Technology. */ |
| #define PF_RTIP 22 /* Help Identify RTIP packets. **/ |
| #define PF_IPX 23 /* Novell Internet Protocol. */ |
| #define PF_SIP 24 /* Simple Internet Protocol. */ |
| #define PF_PIP 25 /* Help Identify PIP packets. */ |
| #define PF_INET6 26 /* IP version 6. */ |
| #define PF_MAX 27 |
| |
| /* 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_ROUTE PF_ROUTE |
| #define AF_LINK PF_LINK |
| #define pseudo_AF_XTP PF_XTP |
| #define AF_COIP PF_COIP |
| #define AF_CNT PF_CNT |
| #define pseudo_AF_RTIP PF_RTIP |
| #define AF_IPX PF_IPX |
| #define AF_SIP PF_SIP |
| #define pseudo_AF_PIP PF_PIP |
| #define AF_INET6 PF_INET6 |
| #define AF_MAX PF_MAX |
| |
| |
| /* 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, /* Data completes record. */ |
| #define MSG_EOR MSG_EOR |
| MSG_TRUNC = 0x10, /* Data discarded before delivery. */ |
| #define MSG_TRUNC MSG_TRUNC |
| MSG_CTRUNC = 0x20, /* Control data lost before delivery. */ |
| #define MSG_CTRUNC MSG_CTRUNC |
| MSG_WAITALL = 0x40, /* Wait for full request or error. */ |
| #define MSG_WAITALL MSG_WAITALL |
| MSG_DONTWAIT = 0x80 /* This message should be nonblocking. */ |
| #define MSG_DONTWAIT MSG_DONTWAIT |
| }; |
| |
| |
| /* Structure describing messages sent by |
| `sendmsg' and received by `recvmsg'. */ |
| struct msghdr |
| { |
| __ptr_t 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. */ |
| |
| __ptr_t msg_accrights; /* Access rights information. */ |
| socklen_t msg_accrightslen; /* Length of access rights information. */ |
| |
| int msg_flags; /* Flags in received message. */ |
| }; |
| |
| |
| /* Protocol number used to manipulate socket-level options |
| with `getsockopt' and `setsockopt'. */ |
| #define SOL_SOCKET 0xffff |
| |
| /* Socket-level options for `getsockopt' and `setsockopt'. */ |
| enum |
| { |
| SO_DEBUG = 0x0001, /* Record debugging information. */ |
| #define SO_DEBUG SO_DEBUG |
| SO_ACCEPTCONN = 0x0002, /* Accept connections on socket. */ |
| #define SO_ACCEPTCONN SO_ACCEPTCONN |
| SO_REUSEADDR = 0x0004, /* Allow reuse of local addresses. */ |
| #define SO_REUSEADDR SO_REUSEADDR |
| SO_KEEPALIVE = 0x0008, /* Keep connections alive and send |
| SIGPIPE when they die. */ |
| #define SO_KEEPALIVE SO_KEEPALIVE |
| SO_DONTROUTE = 0x0010, /* Don't do local routing. */ |
| #define SO_DONTROUTE SO_DONTROUTE |
| SO_BROADCAST = 0x0020, /* Allow transmission of |
| broadcast messages. */ |
| #define SO_BROADCAST SO_BROADCAST |
| SO_USELOOPBACK = 0x0040, /* Use the software loopback to avoid |
| hardware use when possible. */ |
| #define SO_USELOOPBACK SO_USELOOPBACK |
| SO_LINGER = 0x0080, /* Block on close of a reliable |
| socket to transmit pending data. */ |
| #define SO_LINGER SO_LINGER |
| SO_OOBINLINE = 0x0100, /* Receive out-of-band data in-band. */ |
| #define SO_OOBINLINE SO_OOBINLINE |
| SO_REUSEPORT = 0x0200, /* Allow local address and port reuse. */ |
| #define SO_REUSEPORT SO_REUSEPORT |
| SO_SNDBUF = 0x1001, /* Send buffer size. */ |
| #define SO_SNDBUF SO_SNDBUF |
| SO_RCVBUF = 0x1002, /* Receive buffer. */ |
| #define SO_RCVBUF SO_RCVBUF |
| SO_SNDLOWAT = 0x1003, /* Send low-water mark. */ |
| #define SO_SNDLOWAT SO_SNDLOWAT |
| SO_RCVLOWAT = 0x1004, /* Receive low-water mark. */ |
| #define SO_RCVLOWAT SO_RCVLOWAT |
| SO_SNDTIMEO = 0x1005, /* Send timeout. */ |
| #define SO_SNDTIMEO SO_SNDTIMEO |
| SO_RCVTIMEO = 0x1006, /* Receive timeout. */ |
| #define SO_RCVTIMEO SO_RCVTIMEO |
| SO_ERROR = 0x1007, /* Get and clear error status. */ |
| #define SO_ERROR SO_ERROR |
| SO_STYLE = 0x1008, /* Get socket connection style. */ |
| #define SO_STYLE SO_STYLE |
| SO_TYPE = SO_STYLE /* Compatible name for SO_STYLE. */ |
| #define SO_TYPE SO_TYPE |
| }; |
| |
| /* 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 */ |