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[commits] r10093 - in /fsf/trunk/ports: ./ sysdeps/mips/bits/ sysdeps/unix/sysv/linux/alpha/bits/



Author: eglibc
Date: Wed Mar 24 00:03:32 2010
New Revision: 10093

Log:
Import glibc-ports-mainline for 2010-03-24

Added:
    fsf/trunk/ports/sysdeps/unix/sysv/linux/alpha/bits/socket.h
Modified:
    fsf/trunk/ports/ChangeLog.alpha
    fsf/trunk/ports/ChangeLog.mips
    fsf/trunk/ports/sysdeps/mips/bits/atomic.h

Modified: fsf/trunk/ports/ChangeLog.alpha
==============================================================================
--- fsf/trunk/ports/ChangeLog.alpha (original)
+++ fsf/trunk/ports/ChangeLog.alpha Wed Mar 24 00:03:32 2010
@@ -1,3 +1,8 @@
+2010-03-23  Matt Turner  <mattst88@xxxxxxxxx>
+            Aurelien Jarno  <aurelien@xxxxxxxxxxx>
+
+	* sysdeps/unix/sysv/linux/alpha/bits/socket.h: New file.
+
 2010-01-12  Matt Turner  <mattst88@xxxxxxxxx>
 
 	* sysdeps/unix/sysv/linux/alpha/bits/stat.h: Fix double-inclusion

Modified: fsf/trunk/ports/ChangeLog.mips
==============================================================================
--- fsf/trunk/ports/ChangeLog.mips (original)
+++ fsf/trunk/ports/ChangeLog.mips Wed Mar 24 00:03:32 2010
@@ -1,3 +1,13 @@
+2010-03-23  Mischa Jonker  <mischa.jonker@xxxxxxxxxxxxxxx>
+
+	[BZ #11291]
+	* sysdeps/mips/bits/atomic.h
+	(__arch_compare_and_exchange_xxx_32_int,
+	__arch_compare_and_exchange_xxx_64_int,
+	__arch_exchange_xxx_32_int, __arch_exchange_xxx_64_int,
+	__arch_exchange_and_add_32_int, __arch_exchange_and_add_64_int):
+	Specify *mem as asm output as well as input.
+
 2010-02-10  Joseph Myers  <joseph@xxxxxxxxxxxxxxxx>
 
 	* sysdeps/mips/fpu/fegetenv.c: Add hidden alias.

Modified: fsf/trunk/ports/sysdeps/mips/bits/atomic.h
==============================================================================
--- fsf/trunk/ports/sysdeps/mips/bits/atomic.h (original)
+++ fsf/trunk/ports/sysdeps/mips/bits/atomic.h Wed Mar 24 00:03:32 2010
@@ -69,16 +69,16 @@
      MIPS_PUSH_MIPS2							      \
      rel	"\n"							      \
      "1:\t"								      \
-     "ll	%0,%4\n\t"						      \
+     "ll	%0,%5\n\t"						      \
      "move	%1,$0\n\t"						      \
-     "bne	%0,%2,2f\n\t"						      \
-     "move	%1,%3\n\t"						      \
-     "sc	%1,%4\n\t"						      \
-     "beqz	%1,1b\n"						      \
-     acq	"\n\t"							      \
-     ".set	pop\n"							      \
-     "2:\n\t"								      \
-	      : "=&r" (__prev), "=&r" (__cmp)				      \
+     "bne	%0,%3,2f\n\t"						      \
+     "move	%1,%4\n\t"						      \
+     "sc	%1,%2\n\t"						      \
+     "beqz	%1,1b\n"						      \
+     acq	"\n\t"							      \
+     ".set	pop\n"							      \
+     "2:\n\t"								      \
+	      : "=&r" (__prev), "=&r" (__cmp), "=m" (*mem)		      \
 	      : "r" (oldval), "r" (newval), "m" (*mem)			      \
 	      : "memory")
 
@@ -93,16 +93,16 @@
      MIPS_PUSH_MIPS2							      \
      rel	"\n"							      \
      "1:\t"								      \
-     "lld	%0,%4\n\t"						      \
+     "lld	%0,%5\n\t"						      \
      "move	%1,$0\n\t"						      \
-     "bne	%0,%2,2f\n\t"						      \
-     "move	%1,%3\n\t"						      \
-     "scd	%1,%4\n\t"						      \
-     "beqz	%1,1b\n"						      \
-     acq	"\n\t"							      \
-     ".set	pop\n"							      \
-     "2:\n\t"								      \
-	      : "=&r" (__prev), "=&r" (__cmp)				      \
+     "bne	%0,%3,2f\n\t"						      \
+     "move	%1,%4\n\t"						      \
+     "scd	%1,%2\n\t"						      \
+     "beqz	%1,1b\n"						      \
+     acq	"\n\t"							      \
+     ".set	pop\n"							      \
+     "2:\n\t"								      \
+	      : "=&r" (__prev), "=&r" (__cmp), "=m" (*mem)		      \
 	      : "r" (oldval), "r" (newval), "m" (*mem)			      \
 	      : "memory")
 #endif
@@ -189,14 +189,14 @@
      MIPS_PUSH_MIPS2							      \
      rel	"\n"							      \
      "1:\t"								      \
-     "ll	%0,%3\n\t"						      \
-     "move	%1,%2\n\t"						      \
-     "sc	%1,%3\n\t"						      \
-     "beqz	%1,1b\n"						      \
-     acq	"\n\t"							      \
-     ".set	pop\n"							      \
-     "2:\n\t"								      \
-	      : "=&r" (__prev), "=&r" (__cmp)				      \
+     "ll	%0,%4\n\t"						      \
+     "move	%1,%3\n\t"						      \
+     "sc	%1,%2\n\t"						      \
+     "beqz	%1,1b\n"						      \
+     acq	"\n\t"							      \
+     ".set	pop\n"							      \
+     "2:\n\t"								      \
+	      : "=&r" (__prev), "=&r" (__cmp), "=m" (*mem)		      \
 	      : "r" (newval), "m" (*mem)				      \
 	      : "memory");						      \
   __prev; })
@@ -213,14 +213,14 @@
      MIPS_PUSH_MIPS2							      \
      rel	"\n"							      \
      "1:\n"								      \
-     "lld	%0,%3\n\t"						      \
-     "move	%1,%2\n\t"						      \
-     "scd	%1,%3\n\t"						      \
-     "beqz	%1,1b\n"						      \
-     acq	"\n\t"							      \
-     ".set	pop\n"							      \
-     "2:\n\t"								      \
-	      : "=&r" (__prev), "=&r" (__cmp)				      \
+     "lld	%0,%4\n\t"						      \
+     "move	%1,%3\n\t"						      \
+     "scd	%1,%2\n\t"						      \
+     "beqz	%1,1b\n"						      \
+     acq	"\n\t"							      \
+     ".set	pop\n"							      \
+     "2:\n\t"								      \
+	      : "=&r" (__prev), "=&r" (__cmp), "=m" (*mem)		      \
 	      : "r" (newval), "m" (*mem)				      \
 	      : "memory");						      \
   __prev; })
@@ -248,14 +248,14 @@
      MIPS_PUSH_MIPS2							      \
      rel	"\n"							      \
      "1:\t"								      \
-     "ll	%0,%3\n\t"						      \
-     "addu	%1,%0,%2\n\t"						      \
-     "sc	%1,%3\n\t"						      \
-     "beqz	%1,1b\n"						      \
-     acq	"\n\t"							      \
-     ".set	pop\n"							      \
-     "2:\n\t"								      \
-	      : "=&r" (__prev), "=&r" (__cmp)				      \
+     "ll	%0,%4\n\t"						      \
+     "addu	%1,%0,%3\n\t"						      \
+     "sc	%1,%2\n\t"						      \
+     "beqz	%1,1b\n"						      \
+     acq	"\n\t"							      \
+     ".set	pop\n"							      \
+     "2:\n\t"								      \
+	      : "=&r" (__prev), "=&r" (__cmp), "=m" (*mem)		      \
 	      : "r" (value), "m" (*mem)					      \
 	      : "memory");						      \
   __prev; })
@@ -272,14 +272,14 @@
      MIPS_PUSH_MIPS2							      \
      rel	"\n"							      \
      "1:\t"								      \
-     "lld	%0,%3\n\t"						      \
-     "daddu	%1,%0,%2\n\t"						      \
-     "scd	%1,%3\n\t"						      \
-     "beqz	%1,1b\n"						      \
-     acq	"\n\t"							      \
-     ".set	pop\n"							      \
-     "2:\n\t"								      \
-	      : "=&r" (__prev), "=&r" (__cmp)				      \
+     "lld	%0,%4\n\t"						      \
+     "daddu	%1,%0,%3\n\t"						      \
+     "scd	%1,%2\n\t"						      \
+     "beqz	%1,1b\n"						      \
+     acq	"\n\t"							      \
+     ".set	pop\n"							      \
+     "2:\n\t"								      \
+	      : "=&r" (__prev), "=&r" (__cmp), "=m" (*mem)		      \
 	      : "r" (value), "m" (*mem)					      \
 	      : "memory");						      \
   __prev; })

Added: fsf/trunk/ports/sysdeps/unix/sysv/linux/alpha/bits/socket.h
==============================================================================
--- fsf/trunk/ports/sysdeps/unix/sysv/linux/alpha/bits/socket.h (added)
+++ fsf/trunk/ports/sysdeps/unix/sysv/linux/alpha/bits/socket.h Wed Mar 24 00:03:32 2010
@@ -1,0 +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 = 0x40000000	/* 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 */