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Edit File : socket.h \| Size : 15.20 KB
/* 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_XDP 44 / XDP sockets. / #define PF_MAX 45 / 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_XDP PF_XDP #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 #define SOL_XDP 283 / 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)) / Given a length, return the additional padding necessary such that len + __CMSG_PADDING(len) == CMSG_ALIGN (len). / #define __CMSG_PADDING(len) ((sizeof (size_t) \ - ((len) & (sizeof (size_t) - 1))) \ & (sizeof (size_t) - 1)) 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)) { /* We may safely assume that __cmsg lies between __mhdr->msg_control and __mhdr->msg_controllen because the user is required to obtain the first cmsg via CMSG_FIRSTHDR, set its length, then obtain subsequent cmsgs via CMSG_NXTHDR, setting lengths along the way. However, we don't yet trust the value of __cmsg->cmsg_len and therefore do not use it in any pointer arithmetic until we check its value. / unsigned char __msg_control_ptr = (unsigned char ) __mhdr->msg_control; unsigned char __cmsg_ptr = (unsigned char ) __cmsg; size_t __size_needed = sizeof (struct cmsghdr) + __CMSG_PADDING (__cmsg->cmsg_len); / The current header is malformed, too small to be a full header. / if ((size_t) __cmsg->cmsg_len < sizeof (struct cmsghdr)) return (struct cmsghdr ) 0; /* There isn't enough space between __cmsg and the end of the buffer to hold the current cmsg and the next one. / if (((size_t) (__msg_control_ptr + __mhdr->msg_controllen - __cmsg_ptr) < __size_needed) \|\| ((size_t) (__msg_control_ptr + __mhdr->msg_controllen - __cmsg_ptr - __size_needed) < __cmsg->cmsg_len)) return (struct cmsghdr ) 0; /* Now, we trust cmsg_len and can use it to find the next header. / __cmsg = (struct cmsghdr ) ((unsigned char ) __cmsg + CMSG_ALIGN (__cmsg->cmsg_len)); 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 */ Back

Edit File : socket.h | Size : 15.20 KB

/* 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_XDP		44	/* XDP sockets.  */
#define PF_MAX		45	/* 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_XDP		PF_XDP
#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
#define SOL_XDP		283

/* 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))

/* Given a length, return the additional padding necessary such that
   len + __CMSG_PADDING(len) == CMSG_ALIGN (len).  */
#define __CMSG_PADDING(len) ((sizeof (size_t) \
                              - ((len) & (sizeof (size_t) - 1))) \
                             & (sizeof (size_t) - 1))

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))
{
  /* We may safely assume that __cmsg lies between __mhdr->msg_control and
     __mhdr->msg_controllen because the user is required to obtain the first
     cmsg via CMSG_FIRSTHDR, set its length, then obtain subsequent cmsgs
     via CMSG_NXTHDR, setting lengths along the way.  However, we don't yet
     trust the value of __cmsg->cmsg_len and therefore do not use it in any
     pointer arithmetic until we check its value.  */

unsigned char * __msg_control_ptr = (unsigned char *) __mhdr->msg_control;
  unsigned char * __cmsg_ptr = (unsigned char *) __cmsg;

size_t __size_needed = sizeof (struct cmsghdr)
                         + __CMSG_PADDING (__cmsg->cmsg_len);

/* The current header is malformed, too small to be a full header.  */
  if ((size_t) __cmsg->cmsg_len < sizeof (struct cmsghdr))
    return (struct cmsghdr *) 0;

/* There isn't enough space between __cmsg and the end of the buffer to
  hold the current cmsg *and* the next one.  */
  if (((size_t)
         (__msg_control_ptr + __mhdr->msg_controllen - __cmsg_ptr)
       < __size_needed)
      || ((size_t)
            (__msg_control_ptr + __mhdr->msg_controllen - __cmsg_ptr
             - __size_needed)
          < __cmsg->cmsg_len))

return (struct cmsghdr *) 0;

/* Now, we trust cmsg_len and can use it to find the next header.  */
  __cmsg = (struct cmsghdr *) ((unsigned char *) __cmsg
			       + CMSG_ALIGN (__cmsg->cmsg_len));
  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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