diff options
Diffstat (limited to 'sysdeps/unix')
| -rw-r--r-- | sysdeps/unix/bsd/bsd4.4/bits/socket.h | 316 |
1 files changed, 316 insertions, 0 deletions
diff --git a/sysdeps/unix/bsd/bsd4.4/bits/socket.h b/sysdeps/unix/bsd/bsd4.4/bits/socket.h new file mode 100644 index 0000000000..dbd0f1e6a9 --- /dev/null +++ b/sysdeps/unix/bsd/bsd4.4/bits/socket.h @@ -0,0 +1,316 @@ +/* System-specific socket constants and types. 4.4 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 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 1 + +#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> /* XXX Is this allowed? */ +#include <bits/types.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 + +/* Maximum queue length specifiable by listen. */ +#define SOMAXCONN 128 /* 5 on the origional 4.4 BSD. */ + +/* 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 + { + 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 in 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. */ + __extension__ unsigned char __cmsg_data __flexarr; /* Ancillary data. */ + /* XXX Perhaps this should be removed. */ + }; + +/* 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) \ + & (size_t) ~(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. */ +enum + { + SCM_RIGHTS = 0x01 /* Access rights. */ +#define SCM_RIGHTS SCM_RIGHTS + }; + + +/* 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 */ |