Re: [PATCH] Create bits/socket.h for alpha, correct SOCK_CLOEXEC value.

[Matt Turner <mattst88 at gmail dot com>]

Would you commit this, Joseph?

Thanks,
Matt

On Sat, Feb 13, 2010 at 1:29 AM, Matt Turner <mattst88@gmail.com> wrote:
> The kernel defines SOCK_CLOEXEC as
> include/linux/net.h:#define SOCK_CLOEXEC ? ? ? ?O_CLOEXEC
> arch/alpha/include/asm/fcntl.h:#define O_CLOEXEC ? ? ? ?010000000
>
> But glibc was defining
> bits/socket.h: ?SOCK_CLOEXEC = 02000000
> which was correct for x86, but not for alpha. So copy the x86 socket.h
> to alpha and correct this value.
>
> Signed-off-by: Matt Turner <mattst88@gmail.com>
> ---
> ?ChangeLog.alpha ? ? ? ? ? ? ? ? ? ? ? ? ? ? | ? ?4 +
> ?sysdeps/unix/sysv/linux/alpha/bits/socket.h | ?429 +++++++++++++++++++++++++++
> ?2 files changed, 433 insertions(+), 0 deletions(-)
> ?create mode 100755 sysdeps/unix/sysv/linux/alpha/bits/socket.h
>
> diff --git a/ChangeLog.alpha b/ChangeLog.alpha
> index e41c202..1efaacd 100644
> --- a/ChangeLog.alpha
> +++ b/ChangeLog.alpha
> @@ -1,3 +1,7 @@
> +2010-02-12 ?Matt Turner ?<mattst88@gmail.com>
> +
> + ? ? ? * sysdeps/unix/sysv/linux/alpha/bits/socket.h: New file.
> +
> ?2010-01-12 ?Matt Turner ?<mattst88@gmail.com>
>
> ? ? ? ?* sysdeps/unix/sysv/linux/alpha/bits/stat.h: Fix double-inclusion
> diff --git a/sysdeps/unix/sysv/linux/alpha/bits/socket.h b/sysdeps/unix/sysv/linux/alpha/bits/socket.h
> new file mode 100755
> index 0000000..35b33f4
> --- /dev/null
> +++ b/sysdeps/unix/sysv/linux/alpha/bits/socket.h
> @@ -0,0 +1,429 @@
> +/* System-specific socket constants and types. ?Linux version.
> + ? Copyright (C) 1991, 1992, 1994-2001, 2004, 2006, 2007, 2008, 2009, 2010
> + ? 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
> +
> +#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
> +
> +/* 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
> + ?SOCK_DCCP = 6, ? ? ? ? ? ? ? /* Datagram Congestion Control Protocol. ?*/
> +#define SOCK_DCCP SOCK_DCCP
> + ?SOCK_PACKET = 10, ? ? ? ? ? ?/* Linux specific way of getting packets
> + ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?at the dev level. ?For writing rarp and
> + ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?other similar things on the user level. */
> +#define SOCK_PACKET SOCK_PACKET
> +
> + ?/* Flags to be ORed into the type parameter of socket and socketpair and
> + ? ? used for the flags parameter of paccept. ?*/
> +
> + ?SOCK_CLOEXEC = 010000000, ? ?/* Atomically set close-on-exec flag for the
> + ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?new descriptor(s). ?*/
> +#define SOCK_CLOEXEC SOCK_CLOEXEC
> + ?SOCK_NONBLOCK = 04000 ? ? ? ? ? ? ? ?/* 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 /* 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_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_MAX ? ? ? ? ?37 ? ? ?/* 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_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_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
> +
> +/* 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). ?We reserve 128 bytes. ?*/
> +#define __ss_aligntype unsigned long int
> +#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
> +#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_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. ?*/
> + ?};
> +
> +#ifdef __USE_GNU
> +/* For `recvmmsg'. ?*/
> +struct mmsghdr
> + ?{
> + ? ?struct msghdr msg_hdr; ? ? /* Actual message header. ?*/
> + ? ?unsigned int msg_len; ? ? ?/* Number of received bytes for the entry. ?*/
> + ?};
> +#endif
> +
> +/* 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 (!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 *) 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 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. ?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. ?*/
> +#if !defined __USE_MISC && !defined __USE_GNU
> +# 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
> +
> +/* Get socket manipulation related informations from kernel headers. ?*/
> +#include <asm/socket.h>
> +
> +#if !defined __USE_MISC && !defined __USE_GNU
> +# 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
> +
> +/* Structure used to manipulate the SO_LINGER option. ?*/
> +struct linger
> + ?{
> + ? ?int l_onoff; ? ? ? ? ? ? ? /* Nonzero to linger on close. ?*/
> + ? ?int l_linger; ? ? ? ? ? ? ?/* Time to linger. ?*/
> + ?};
> +
> +
> +__BEGIN_DECLS
> +
> +/* Receive a message as described by MESSAGE from socket FD.
> + ? Returns the number of bytes read or -1 for errors.
> +
> + ? This function is a cancellation point and therefore not marked with
> + ? __THROW. ?*/
> +extern int recvmmsg (int __fd, struct mmsghdr *__vmessages,
> + ? ? ? ? ? ? ? ? ? ?unsigned int __vlen, int __flags,
> + ? ? ? ? ? ? ? ? ? ?__const struct timespec *__tmo);
> +
> +__END_DECLS
> +
> +#endif /* bits/socket.h */
> --
> 1.6.4.4
>
>