--- /dev/null
+/* System-specific socket constants and types. Hurd version.
+ Copyright (C) 1991-2012 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; see the file COPYING.LIB. If
+ not, see <http://www.gnu.org/licenses/>. */
+
+#ifndef __BITS_SOCKET_H
+#define __BITS_SOCKET_H 1
+
+#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> /* 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
+
+#define SOCK_MAX (SOCK_SEQPACKET + 1)
+ /* Mask which covers at least up to SOCK_MASK-1. The
+ remaining bits are used as flags. */
+#define SOCK_TYPE_MASK 0xf
+
+ /* Flags to be ORed into the type parameter of socket and socketpair and
+ used for the flags parameter of accept4. */
+
+ SOCK_CLOEXEC = 0x00400000, /* Atomically set close-on-exec flag for the
+ new descriptor(s). */
+#define SOCK_CLOEXEC SOCK_CLOEXEC
+
+ /* Changed from the O_NONBLOCK value (0x8, which is unusable for us as it is
+ conflicting with the original SOCK_* flags' values) to the Linux value
+ (04000). TODO: is there a ``better'' value? */
+ SOCK_NONBLOCK = 0x0800 /* Atomically mark descriptor(s) as
+ non-blocking. */
+#define SOCK_NONBLOCK SOCK_NONBLOCK
+};
+
+/* 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
+ MSG_NOSIGNAL = 0x0400 /* Do not generate SIGPIPE on EPIPE. */
+#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. */
+ 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. */
+#if (!defined __STRICT_ANSI__ && __GNUC__ >= 2) || __STDC_VERSION__ >= 199901L
+ __extension__ unsigned char __cmsg_data __flexarr; /* Ancillary data. */
+#endif
+ };
+
+/* Ancillary data object manipulation macros. */
+#if (!defined __STRICT_ANSI__ && __GNUC__ >= 2) || __STDC_VERSION__ >= 199901L
+# 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 *
+__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 NULL;
+
+ __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 NULL;
+ return __cmsg;
+}
+#endif /* Use `extern inline'. */
+
+/* Socket level message types. */
+enum
+ {
+ SCM_RIGHTS = 0x01, /* Access rights (array of int). */
+#define SCM_RIGHTS SCM_RIGHTS
+ SCM_TIMESTAMP = 0x02, /* Timestamp (struct timeval). */
+#define SCM_TIMESTAMP SCM_TIMESTAMP
+ SCM_CREDS = 0x03 /* Process creds (struct cmsgcred). */
+#define SCM_CREDS SCM_CREDS
+ };
+
+/* Unfortunately, BSD practice dictates this structure be of fixed size.
+ If there are more than CMGROUP_MAX groups, the list is truncated.
+ (On GNU systems, the `cmcred_euid' field is just the first in the
+ list of effective UIDs.) */
+#define CMGROUP_MAX 16
+
+/* Structure delivered by SCM_CREDS. This describes the identity of the
+ sender of the data simultaneously received on the socket. By BSD
+ convention, this is included only when a sender on a AF_LOCAL socket
+ sends cmsg data of this type and size; the sender's structure is
+ ignored, and the system fills in the various IDs of the sender process. */
+struct cmsgcred
+ {
+ __pid_t cmcred_pid;
+ __uid_t cmcred_uid;
+ __uid_t cmcred_euid;
+ __gid_t cmcred_gid;
+ int cmcred_ngroups;
+ __gid_t cmcred_groups[CMGROUP_MAX];
+ };
+
+/* 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 */
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