--- /dev/null
+/* System-specific socket constants and types. Linux version.
+ Copyright (C) 1991-2018 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, see
+ <http://www.gnu.org/licenses/>. */
+
+#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
+#include <stddef.h>
+
+#include <sys/types.h>
+
+/* Type for length arguments in socket calls. */
+#ifndef __socklen_t_defined
+typedef __socklen_t socklen_t;
+# define __socklen_t_defined
+#endif
+
+/* Get the architecture-dependent definition of enum __socket_type. */
+#include <bits/socket_type.h>
+
+/* 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_AX25 3 /* Amateur Radio AX.25. */
+#define PF_IPX 4 /* Novell Internet Protocol. */
+#define PF_APPLETALK 5 /* Appletalk DDP. */
+#define PF_NETROM 6 /* Amateur radio NetROM. */
+#define PF_BRIDGE 7 /* Multiprotocol bridge. */
+#define PF_ATMPVC 8 /* ATM PVCs. */
+#define PF_X25 9 /* Reserved for X.25 project. */
+#define PF_INET6 10 /* IP version 6. */
+#define PF_ROSE 11 /* Amateur Radio X.25 PLP. */
+#define PF_DECnet 12 /* Reserved for DECnet project. */
+#define PF_NETBEUI 13 /* Reserved for 802.2LLC project. */
+#define PF_SECURITY 14 /* Security callback pseudo AF. */
+#define PF_KEY 15 /* PF_KEY key management API. */
+#define PF_NETLINK 16
+#define PF_ROUTE PF_NETLINK /* Alias to emulate 4.4BSD. */
+#define PF_PACKET 17 /* Packet family. */
+#define PF_ASH 18 /* Ash. */
+#define PF_ECONET 19 /* Acorn Econet. */
+#define PF_ATMSVC 20 /* ATM SVCs. */
+#define PF_RDS 21 /* RDS sockets. */
+#define PF_SNA 22 /* Linux SNA Project */
+#define PF_IRDA 23 /* IRDA sockets. */
+#define PF_PPPOX 24 /* PPPoX sockets. */
+#define PF_WANPIPE 25 /* Wanpipe API sockets. */
+#define PF_LLC 26 /* Linux LLC. */
+#define PF_IB 27 /* Native InfiniBand address. */
+#define PF_MPLS 28 /* MPLS. */
+#define PF_CAN 29 /* Controller Area Network. */
+#define PF_TIPC 30 /* TIPC sockets. */
+#define PF_BLUETOOTH 31 /* Bluetooth sockets. */
+#define PF_IUCV 32 /* IUCV sockets. */
+#define PF_RXRPC 33 /* RxRPC sockets. */
+#define PF_ISDN 34 /* mISDN sockets. */
+#define PF_PHONET 35 /* Phonet sockets. */
+#define PF_IEEE802154 36 /* IEEE 802.15.4 sockets. */
+#define PF_CAIF 37 /* CAIF sockets. */
+#define PF_ALG 38 /* Algorithm sockets. */
+#define PF_NFC 39 /* NFC sockets. */
+#define PF_VSOCK 40 /* vSockets. */
+#define PF_KCM 41 /* Kernel Connection Multiplexor. */
+#define PF_QIPCRTR 42 /* Qualcomm IPC Router. */
+#define PF_SMC 43 /* SMC sockets. */
+#define PF_MAX 44 /* For now.. */
+
+/* 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_AX25 PF_AX25
+#define AF_IPX PF_IPX
+#define AF_APPLETALK PF_APPLETALK
+#define AF_NETROM PF_NETROM
+#define AF_BRIDGE PF_BRIDGE
+#define AF_ATMPVC PF_ATMPVC
+#define AF_X25 PF_X25
+#define AF_INET6 PF_INET6
+#define AF_ROSE PF_ROSE
+#define AF_DECnet PF_DECnet
+#define AF_NETBEUI PF_NETBEUI
+#define AF_SECURITY PF_SECURITY
+#define AF_KEY PF_KEY
+#define AF_NETLINK PF_NETLINK
+#define AF_ROUTE PF_ROUTE
+#define AF_PACKET PF_PACKET
+#define AF_ASH PF_ASH
+#define AF_ECONET PF_ECONET
+#define AF_ATMSVC PF_ATMSVC
+#define AF_RDS PF_RDS
+#define AF_SNA PF_SNA
+#define AF_IRDA PF_IRDA
+#define AF_PPPOX PF_PPPOX
+#define AF_WANPIPE PF_WANPIPE
+#define AF_LLC PF_LLC
+#define AF_IB PF_IB
+#define AF_MPLS PF_MPLS
+#define AF_CAN PF_CAN
+#define AF_TIPC PF_TIPC
+#define AF_BLUETOOTH PF_BLUETOOTH
+#define AF_IUCV PF_IUCV
+#define AF_RXRPC PF_RXRPC
+#define AF_ISDN PF_ISDN
+#define AF_PHONET PF_PHONET
+#define AF_IEEE802154 PF_IEEE802154
+#define AF_CAIF PF_CAIF
+#define AF_ALG PF_ALG
+#define AF_NFC PF_NFC
+#define AF_VSOCK PF_VSOCK
+#define AF_KCM PF_KCM
+#define AF_QIPCRTR PF_QIPCRTR
+#define AF_SMC PF_SMC
+#define AF_MAX PF_MAX
+
+/* Socket level values. Others are defined in the appropriate headers.
+
+ XXX These definitions also should go into the appropriate headers as
+ far as they are available. */
+#define SOL_RAW 255
+#define SOL_DECNET 261
+#define SOL_X25 262
+#define SOL_PACKET 263
+#define SOL_ATM 264 /* ATM layer (cell level). */
+#define SOL_AAL 265 /* ATM Adaption Layer (packet level). */
+#define SOL_IRDA 266
+#define SOL_NETBEUI 267
+#define SOL_LLC 268
+#define SOL_DCCP 269
+#define SOL_NETLINK 270
+#define SOL_TIPC 271
+#define SOL_RXRPC 272
+#define SOL_PPPOL2TP 273
+#define SOL_BLUETOOTH 274
+#define SOL_PNPIPE 275
+#define SOL_RDS 276
+#define SOL_IUCV 277
+#define SOL_CAIF 278
+#define SOL_ALG 279
+#define SOL_NFC 280
+#define SOL_KCM 281
+#define SOL_TLS 282
+
+/* 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). */
+#define __ss_aligntype unsigned long int
+#define _SS_PADSIZE \
+ (_SS_SIZE - __SOCKADDR_COMMON_SIZE - sizeof (__ss_aligntype))
+
+struct sockaddr_storage
+ {
+ __SOCKADDR_COMMON (ss_); /* Address family, etc. */
+ char __ss_padding[_SS_PADSIZE];
+ __ss_aligntype __ss_align; /* Force desired alignment. */
+ };
+
+
+/* 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_CTRUNC = 0x08, /* Control data lost before delivery. */
+#define MSG_CTRUNC MSG_CTRUNC
+ MSG_PROXY = 0x10, /* Supply or ask second address. */
+#define MSG_PROXY MSG_PROXY
+ MSG_TRUNC = 0x20,
+#define MSG_TRUNC MSG_TRUNC
+ MSG_DONTWAIT = 0x40, /* Nonblocking IO. */
+#define MSG_DONTWAIT MSG_DONTWAIT
+ MSG_EOR = 0x80, /* End of record. */
+#define MSG_EOR MSG_EOR
+ MSG_WAITALL = 0x100, /* Wait for a full request. */
+#define MSG_WAITALL MSG_WAITALL
+ MSG_FIN = 0x200,
+#define MSG_FIN MSG_FIN
+ MSG_SYN = 0x400,
+#define MSG_SYN MSG_SYN
+ MSG_CONFIRM = 0x800, /* Confirm path validity. */
+#define MSG_CONFIRM MSG_CONFIRM
+ MSG_RST = 0x1000,
+#define MSG_RST MSG_RST
+ MSG_ERRQUEUE = 0x2000, /* Fetch message from error queue. */
+#define MSG_ERRQUEUE MSG_ERRQUEUE
+ MSG_NOSIGNAL = 0x4000, /* Do not generate SIGPIPE. */
+#define MSG_NOSIGNAL MSG_NOSIGNAL
+ MSG_MORE = 0x8000, /* Sender will send more. */
+#define MSG_MORE MSG_MORE
+ MSG_WAITFORONE = 0x10000, /* Wait for at least one packet to return.*/
+#define MSG_WAITFORONE MSG_WAITFORONE
+ MSG_BATCH = 0x40000, /* sendmmsg: more messages coming. */
+#define MSG_BATCH MSG_BATCH
+ MSG_ZEROCOPY = 0x4000000, /* Use user data in kernel path. */
+#define MSG_ZEROCOPY MSG_ZEROCOPY
+ MSG_FASTOPEN = 0x20000000, /* Send data in TCP SYN. */
+#define MSG_FASTOPEN MSG_FASTOPEN
+
+ MSG_CMSG_CLOEXEC = 0x40000000 /* Set close_on_exit for file
+ descriptor received through
+ SCM_RIGHTS. */
+#define MSG_CMSG_CLOEXEC MSG_CMSG_CLOEXEC
+ };
+
+
+/* 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). */
+ size_t msg_controllen; /* Ancillary data buffer length.
+ !! The type should be socklen_t but the
+ definition of the kernel is incompatible
+ with this. */
+
+ int msg_flags; /* Flags on received message. */
+ };
+
+/* Structure used for storage of ancillary data object information. */
+struct cmsghdr
+ {
+ size_t cmsg_len; /* Length of data in cmsg_data plus length
+ of cmsghdr structure.
+ !! The type should be socklen_t but the
+ definition of the kernel is incompatible
+ with this. */
+ int cmsg_level; /* Originating protocol. */
+ int cmsg_type; /* Protocol specific type. */
+#if __glibc_c99_flexarr_available
+ __extension__ unsigned char __cmsg_data __flexarr; /* Ancillary data. */
+#endif
+ };
+
+/* Ancillary data object manipulation macros. */
+#if __glibc_c99_flexarr_available
+# 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 *) 0)
+#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 (struct cmsghdr *) 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 (struct cmsghdr *) 0;
+ return __cmsg;
+}
+#endif /* Use `extern inline'. */
+
+/* Socket level message types. This must match the definitions in
+ <linux/socket.h>. */
+enum
+ {
+ SCM_RIGHTS = 0x01 /* Transfer file descriptors. */
+#define SCM_RIGHTS SCM_RIGHTS
+#ifdef __USE_GNU
+ , SCM_CREDENTIALS = 0x02 /* Credentials passing. */
+# define SCM_CREDENTIALS SCM_CREDENTIALS
+#endif
+ };
+
+#ifdef __USE_GNU
+/* User visible structure for SCM_CREDENTIALS message */
+struct ucred
+{
+ pid_t pid; /* PID of sending process. */
+ uid_t uid; /* UID of sending process. */
+ gid_t gid; /* GID of sending process. */
+};
+#endif
+
+/* Ugly workaround for unclean kernel headers. */
+#ifndef __USE_MISC
+# ifndef FIOGETOWN
+# define __SYS_SOCKET_H_undef_FIOGETOWN
+# endif
+# ifndef FIOSETOWN
+# define __SYS_SOCKET_H_undef_FIOSETOWN
+# endif
+# ifndef SIOCATMARK
+# define __SYS_SOCKET_H_undef_SIOCATMARK
+# endif
+# ifndef SIOCGPGRP
+# define __SYS_SOCKET_H_undef_SIOCGPGRP
+# endif
+# ifndef SIOCGSTAMP
+# define __SYS_SOCKET_H_undef_SIOCGSTAMP
+# endif
+# ifndef SIOCGSTAMPNS
+# define __SYS_SOCKET_H_undef_SIOCGSTAMPNS
+# endif
+# ifndef SIOCSPGRP
+# define __SYS_SOCKET_H_undef_SIOCSPGRP
+# endif
+#endif
+#ifndef IOCSIZE_MASK
+# define __SYS_SOCKET_H_undef_IOCSIZE_MASK
+#endif
+#ifndef IOCSIZE_SHIFT
+# define __SYS_SOCKET_H_undef_IOCSIZE_SHIFT
+#endif
+#ifndef IOC_IN
+# define __SYS_SOCKET_H_undef_IOC_IN
+#endif
+#ifndef IOC_INOUT
+# define __SYS_SOCKET_H_undef_IOC_INOUT
+#endif
+#ifndef IOC_OUT
+# define __SYS_SOCKET_H_undef_IOC_OUT
+#endif
+
+/* Get socket manipulation related informations from kernel headers. */
+#include <asm/socket.h>
+
+#ifndef __USE_MISC
+# ifdef __SYS_SOCKET_H_undef_FIOGETOWN
+# undef __SYS_SOCKET_H_undef_FIOGETOWN
+# undef FIOGETOWN
+# endif
+# ifdef __SYS_SOCKET_H_undef_FIOSETOWN
+# undef __SYS_SOCKET_H_undef_FIOSETOWN
+# undef FIOSETOWN
+# endif
+# ifdef __SYS_SOCKET_H_undef_SIOCATMARK
+# undef __SYS_SOCKET_H_undef_SIOCATMARK
+# undef SIOCATMARK
+# endif
+# ifdef __SYS_SOCKET_H_undef_SIOCGPGRP
+# undef __SYS_SOCKET_H_undef_SIOCGPGRP
+# undef SIOCGPGRP
+# endif
+# ifdef __SYS_SOCKET_H_undef_SIOCGSTAMP
+# undef __SYS_SOCKET_H_undef_SIOCGSTAMP
+# undef SIOCGSTAMP
+# endif
+# ifdef __SYS_SOCKET_H_undef_SIOCGSTAMPNS
+# undef __SYS_SOCKET_H_undef_SIOCGSTAMPNS
+# undef SIOCGSTAMPNS
+# endif
+# ifdef __SYS_SOCKET_H_undef_SIOCSPGRP
+# undef __SYS_SOCKET_H_undef_SIOCSPGRP
+# undef SIOCSPGRP
+# endif
+#endif
+#ifdef __SYS_SOCKET_H_undef_IOCSIZE_MASK
+# undef __SYS_SOCKET_H_undef_IOCSIZE_MASK
+# undef IOCSIZE_MASK
+#endif
+#ifdef __SYS_SOCKET_H_undef_IOCSIZE_SHIFT
+# undef __SYS_SOCKET_H_undef_IOCSIZE_SHIFT
+# undef IOCSIZE_SHIFT
+#endif
+#ifdef __SYS_SOCKET_H_undef_IOC_IN
+# undef __SYS_SOCKET_H_undef_IOC_IN
+# undef IOC_IN
+#endif
+#ifdef __SYS_SOCKET_H_undef_IOC_INOUT
+# undef __SYS_SOCKET_H_undef_IOC_INOUT
+# undef IOC_INOUT
+#endif
+#ifdef __SYS_SOCKET_H_undef_IOC_OUT
+# undef __SYS_SOCKET_H_undef_IOC_OUT
+# undef IOC_OUT
+#endif
+
+/* 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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