Merge changes between r13227 and r13354 from /fsf/trunk.

git-svn-id: svn://svn.eglibc.org/trunk@13355 7b3dc134-2b1b-0410-93df-9e9f96275f8d

25 files changed, 664 insertions, 157 deletions

diff --git a/libc/sysdeps/unix/syscalls.list b/libc/sysdeps/unix/syscalls.list
index 04ed63c4d..ad4917078 100644
--- a/libc/sysdeps/unix/syscalls.list
+++ b/libc/sysdeps/unix/syscalls.list
@@ -55,6 +55,7 @@ swapoff		-	swapoff		i:s	swapoff
 swapon		-	swapon		i:s	swapon
 symlink		-	symlink		i:ss	__symlink	symlink
 sync		-	sync		i:	sync
+syncfs		-	syncfs		i:i	syncfs
 sys_fstat	fxstat	fstat		i:ip	__syscall_fstat
 sys_mknod	xmknod	mknod		i:sii	__syscall_mknod
 sys_stat	xstat	stat		i:sp	__syscall_stat
diff --git a/libc/sysdeps/unix/sysv/linux/Makefile b/libc/sysdeps/unix/sysv/linux/Makefile
index ba572350a..84679c2e3 100644
--- a/libc/sysdeps/unix/sysv/linux/Makefile
+++ b/libc/sysdeps/unix/sysv/linux/Makefile
@@ -96,7 +96,7 @@ generated += syscall-list.h syscall-list.d
 endif
 
 ifeq ($(subdir),time)
-sysdep_headers += sys/timex.h
+sysdep_headers += sys/timex.h bits/timex.h
 
 sysdep_routines += ntp_gettime ntp_gettimex
 endif
diff --git a/libc/sysdeps/unix/sysv/linux/Versions b/libc/sysdeps/unix/sysv/linux/Versions
index c66e04fee..29099dc5c 100644
--- a/libc/sysdeps/unix/sysv/linux/Versions
+++ b/libc/sysdeps/unix/sysv/linux/Versions
@@ -154,6 +154,11 @@ libc {
 
     fanotify_init; fanotify_mark;
   }
+  GLIBC_2.14 {
+    clock_adjtime;
+
+    name_to_handle_at; open_by_handle_at;
+  }
   GLIBC_PRIVATE {
     # functions used in other libraries
     __syscall_rt_sigqueueinfo;
diff --git a/libc/sysdeps/unix/sysv/linux/bits/time.h b/libc/sysdeps/unix/sysv/linux/bits/time.h
new file mode 100644
index 000000000..02a05114f
--- /dev/null
+++ b/libc/sysdeps/unix/sysv/linux/bits/time.h
@@ -0,0 +1,93 @@
+/* System-dependent timing definitions.  Linux version.
+   Copyright (C) 1996,1997,1999-2003,2010,2011 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.  */
+
+/*
+ * Never include this file directly; use <time.h> instead.
+ */
+
+#if defined __need_timeval || defined __USE_GNU
+# ifndef _STRUCT_TIMEVAL
+#  define _STRUCT_TIMEVAL	1
+#  include <bits/types.h>
+
+/* A time value that is accurate to the nearest
+   microsecond but also has a range of years.  */
+struct timeval
+  {
+    __time_t tv_sec;		/* Seconds.  */
+    __suseconds_t tv_usec;	/* Microseconds.  */
+  };
+# endif	/* struct timeval */
+#endif
+
+#ifndef __need_timeval
+# ifndef _BITS_TIME_H
+#  define _BITS_TIME_H	1
+
+/* ISO/IEC 9899:1990 7.12.1: <time.h>
+   The macro `CLOCKS_PER_SEC' is the number per second of the value
+   returned by the `clock' function. */
+/* CAE XSH, Issue 4, Version 2: <time.h>
+   The value of CLOCKS_PER_SEC is required to be 1 million on all
+   XSI-conformant systems. */
+#  define CLOCKS_PER_SEC  1000000l
+
+#  if !defined __STRICT_ANSI__ && !defined __USE_XOPEN2K
+/* Even though CLOCKS_PER_SEC has such a strange value CLK_TCK
+   presents the real value for clock ticks per second for the system.  */
+#   include <bits/types.h>
+extern long int __sysconf (int);
+#   define CLK_TCK ((__clock_t) __sysconf (2))	/* 2 is _SC_CLK_TCK */
+#  endif
+
+#  ifdef __USE_POSIX199309
+/* Identifier for system-wide realtime clock.  */
+#   define CLOCK_REALTIME		0
+/* Monotonic system-wide clock.  */
+#   define CLOCK_MONOTONIC		1
+/* High-resolution timer from the CPU.  */
+#   define CLOCK_PROCESS_CPUTIME_ID	2
+/* Thread-specific CPU-time clock.  */
+#   define CLOCK_THREAD_CPUTIME_ID	3
+/* Monotonic system-wide clock, not adjusted for frequency scaling.  */
+#   define CLOCK_MONOTONIC_RAW		4
+/* Identifier for system-wide realtime clock, updated only on ticks.  */
+#   define CLOCK_REALTIME_COARSE	5
+/* Monotonic system-wide clock, updated only on ticks.  */
+#   define CLOCK_MONOTONIC_COARSE	6
+
+/* Flag to indicate time is absolute.  */
+#   define TIMER_ABSTIME		1
+#  endif
+
+#  ifdef __USE_GNU
+#   include <bits/timex.h>
+
+__BEGIN_DECLS
+
+/* Tune a POSIX clock.  */
+extern int clock_adjtime (__clockid_t __clock_id, struct timex *__utx) __THROW;
+
+__END_DECLS
+#  endif /* use GNU */
+
+# endif	/* bits/time.h */
+#endif
+
+#undef __need_timeval
diff --git a/libc/sysdeps/unix/sysv/linux/bits/timex.h b/libc/sysdeps/unix/sysv/linux/bits/timex.h
new file mode 100644
index 000000000..67de67e1c
--- /dev/null
+++ b/libc/sysdeps/unix/sysv/linux/bits/timex.h
@@ -0,0 +1,108 @@
+/* Copyright (C) 1995-1997,1999,2007,2009,2011 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_TIMEX_H
+#define	_BITS_TIMEX_H	1
+
+/* These definitions from linux/timex.h as of 2.6.30.  */
+
+struct timex
+{
+  unsigned int modes;	/* mode selector */
+  long int offset;	/* time offset (usec) */
+  long int freq;	/* frequency offset (scaled ppm) */
+  long int maxerror;	/* maximum error (usec) */
+  long int esterror;	/* estimated error (usec) */
+  int status;		/* clock command/status */
+  long int constant;	/* pll time constant */
+  long int precision;	/* clock precision (usec) (read only) */
+  long int tolerance;	/* clock frequency tolerance (ppm) (read only) */
+  struct timeval time;	/* (read only) */
+  long int tick;	/* (modified) usecs between clock ticks */
+
+  long int ppsfreq;	/* pps frequency (scaled ppm) (ro) */
+  long int jitter;	/* pps jitter (us) (ro) */
+  int shift;		/* interval duration (s) (shift) (ro) */
+  long int stabil;	/* pps stability (scaled ppm) (ro) */
+  long int jitcnt;	/* jitter limit exceeded (ro) */
+  long int calcnt;	/* calibration intervals (ro) */
+  long int errcnt;	/* calibration errors (ro) */
+  long int stbcnt;	/* stability limit exceeded (ro) */
+
+  int tai;		/* TAI offset (ro) */
+
+  /* ??? */
+  int  :32; int  :32; int  :32; int  :32;
+  int  :32; int  :32; int  :32; int  :32;
+  int  :32; int  :32; int  :32;
+};
+
+/* Mode codes (timex.mode) */
+#define ADJ_OFFSET		0x0001	/* time offset */
+#define ADJ_FREQUENCY		0x0002	/* frequency offset */
+#define ADJ_MAXERROR		0x0004	/* maximum time error */
+#define ADJ_ESTERROR		0x0008	/* estimated time error */
+#define ADJ_STATUS		0x0010	/* clock status */
+#define ADJ_TIMECONST		0x0020	/* pll time constant */
+#define ADJ_TAI			0x0080	/* set TAI offset */
+#define ADJ_MICRO		0x1000	/* select microsecond resolution */
+#define ADJ_NANO		0x2000	/* select nanosecond resolution */
+#define ADJ_TICK		0x4000	/* tick value */
+#define ADJ_OFFSET_SINGLESHOT	0x8001	/* old-fashioned adjtime */
+#define ADJ_OFFSET_SS_READ	0xa001	/* read-only adjtime */
+
+/* xntp 3.4 compatibility names */
+#define MOD_OFFSET	ADJ_OFFSET
+#define MOD_FREQUENCY	ADJ_FREQUENCY
+#define MOD_MAXERROR	ADJ_MAXERROR
+#define MOD_ESTERROR	ADJ_ESTERROR
+#define MOD_STATUS	ADJ_STATUS
+#define MOD_TIMECONST	ADJ_TIMECONST
+#define MOD_CLKB	ADJ_TICK
+#define MOD_CLKA	ADJ_OFFSET_SINGLESHOT /* 0x8000 in original */
+#define MOD_TAI		ADJ_TAI
+#define MOD_MICRO	ADJ_MICRO
+#define MOD_NANO	ADJ_NANO
+
+
+/* Status codes (timex.status) */
+#define STA_PLL		0x0001	/* enable PLL updates (rw) */
+#define STA_PPSFREQ	0x0002	/* enable PPS freq discipline (rw) */
+#define STA_PPSTIME	0x0004	/* enable PPS time discipline (rw) */
+#define STA_FLL		0x0008	/* select frequency-lock mode (rw) */
+
+#define STA_INS		0x0010	/* insert leap (rw) */
+#define STA_DEL		0x0020	/* delete leap (rw) */
+#define STA_UNSYNC	0x0040	/* clock unsynchronized (rw) */
+#define STA_FREQHOLD	0x0080	/* hold frequency (rw) */
+
+#define STA_PPSSIGNAL	0x0100	/* PPS signal present (ro) */
+#define STA_PPSJITTER	0x0200	/* PPS signal jitter exceeded (ro) */
+#define STA_PPSWANDER	0x0400	/* PPS signal wander exceeded (ro) */
+#define STA_PPSERROR	0x0800	/* PPS signal calibration error (ro) */
+
+#define STA_CLOCKERR	0x1000	/* clock hardware fault (ro) */
+#define STA_NANO	0x2000	/* resolution (0 = us, 1 = ns) (ro) */
+#define STA_MODE	0x4000	/* mode (0 = PLL, 1 = FLL) (ro) */
+#define STA_CLK		0x8000	/* clock source (0 = A, 1 = B) (ro) */
+
+/* Read-only bits */
+#define STA_RONLY (STA_PPSSIGNAL | STA_PPSJITTER | STA_PPSWANDER | \
+    STA_PPSERROR | STA_CLOCKERR | STA_NANO | STA_MODE | STA_CLK)
+
+#endif /* bits/timex.h */
diff --git a/libc/sysdeps/unix/sysv/linux/fallocate.c b/libc/sysdeps/unix/sysv/linux/fallocate.c
index dc2b4e92c..a7d3ff079 100644
--- a/libc/sysdeps/unix/sysv/linux/fallocate.c
+++ b/libc/sysdeps/unix/sysv/linux/fallocate.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2007, 2009 Free Software Foundation, Inc.
+/* Copyright (C) 2007, 2009, 2011 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
@@ -18,7 +18,7 @@
 
 #include <errno.h>
 #include <fcntl.h>
-#include <sysdep.h>
+#include <sysdep-cancel.h>
 
 
 /* Reserve storage for the data of the file associated with FD.  */
@@ -26,9 +26,21 @@ int
 fallocate (int fd, int mode, __off_t offset, __off_t len)
 {
 #ifdef __NR_fallocate
-  return INLINE_SYSCALL (fallocate, 6, fd, mode,
-			 __LONG_LONG_PAIR (offset >> 31, offset),
-			 __LONG_LONG_PAIR (len >> 31, len));
+  if (SINGLE_THREAD_P)
+    return INLINE_SYSCALL (fallocate, 6, fd, mode,
+			   __LONG_LONG_PAIR (offset >> 31, offset),
+			   __LONG_LONG_PAIR (len >> 31, len));
+
+  int result;
+  int oldtype = LIBC_CANCEL_ASYNC ();
+
+  result = INLINE_SYSCALL (fallocate, 6, fd, mode,
+			   __LONG_LONG_PAIR (offset >> 31, offset),
+			   __LONG_LONG_PAIR (len >> 31, len));
+
+  LIBC_CANCEL_RESET (oldtype);
+
+  return result;
 #else
   __set_errno (ENOSYS);
   return -1;
diff --git a/libc/sysdeps/unix/sysv/linux/fallocate64.c b/libc/sysdeps/unix/sysv/linux/fallocate64.c
index 751a7b227..5cfd76d39 100644
--- a/libc/sysdeps/unix/sysv/linux/fallocate64.c
+++ b/libc/sysdeps/unix/sysv/linux/fallocate64.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2007, 2009 Free Software Foundation, Inc.
+/* Copyright (C) 2007, 2009, 2011 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
@@ -18,7 +18,7 @@
 
 #include <errno.h>
 #include <fcntl.h>
-#include <sysdep.h>
+#include <sysdep-cancel.h>
 
 
 /* Reserve storage for the data of the file associated with FD.  */
@@ -26,11 +26,25 @@ int
 fallocate64 (int fd, int mode, __off64_t offset, __off64_t len)
 {
 #ifdef __NR_fallocate
-  return INLINE_SYSCALL (fallocate, 6, fd, mode,
-			 __LONG_LONG_PAIR ((long int) (offset >> 32),
-					   (long int) offset),
-			 __LONG_LONG_PAIR ((long int) (len >> 32),
-					   (long int) len));
+  if (SINGLE_THREAD_P)
+    return INLINE_SYSCALL (fallocate, 6, fd, mode,
+			   __LONG_LONG_PAIR ((long int) (offset >> 32),
+					     (long int) offset),
+			   __LONG_LONG_PAIR ((long int) (len >> 32),
+					     (long int) len));
+
+  int result;
+  int oldtype = LIBC_CANCEL_ASYNC ();
+
+  result = INLINE_SYSCALL (fallocate, 6, fd, mode,
+			   __LONG_LONG_PAIR ((long int) (offset >> 32),
+					     (long int) offset),
+			   __LONG_LONG_PAIR ((long int) (len >> 32),
+					     (long int) len));
+
+  LIBC_CANCEL_RESET (oldtype);
+
+  return result;
 #else
   __set_errno (ENOSYS);
   return -1;
diff --git a/libc/sysdeps/unix/sysv/linux/i386/Makefile b/libc/sysdeps/unix/sysv/linux/i386/Makefile
index f52ee89f0..fc5a524eb 100644
--- a/libc/sysdeps/unix/sysv/linux/i386/Makefile
+++ b/libc/sysdeps/unix/sysv/linux/i386/Makefile
@@ -6,7 +6,10 @@ endif
 ifeq ($(subdir),elf)
 sysdep-others += lddlibc4
 install-bin += lddlibc4
+endif
 
+ifeq ($(subdir),io)
+sysdep_routines += call_sync_file_range
 endif
 
 ifeq ($(subdir),resource)
diff --git a/libc/sysdeps/unix/sysv/linux/i386/bits/fcntl.h b/libc/sysdeps/unix/sysv/linux/i386/bits/fcntl.h
index 944a3209b..6ff59bc42 100644
--- a/libc/sysdeps/unix/sysv/linux/i386/bits/fcntl.h
+++ b/libc/sysdeps/unix/sysv/linux/i386/bits/fcntl.h
@@ -1,5 +1,5 @@
 /* O_*, F_*, FD_* bit values for Linux.
-   Copyright (C) 1995, 1996, 1997, 1998, 2000, 2004, 2006, 2007, 2009, 2010
+   Copyright (C) 1995-1998, 2000, 2004, 2006, 2007, 2009, 2010, 2011
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -53,6 +53,7 @@
 #ifdef __USE_GNU
 # define O_DIRECT	 040000	/* Direct disk access.	*/
 # define O_NOATIME     01000000 /* Do not set atime.  */
+# define O_PATH	      010000000 /* Resolve pathname but do not open file.  */
 #endif
 
 /* For now Linux has synchronisity options for data and read operations.
@@ -232,6 +233,19 @@ struct f_owner_ex
 					   we splice from/to).  */
 # define SPLICE_F_MORE		4	/* Expect more data.  */
 # define SPLICE_F_GIFT		8	/* Pages passed in are a gift.  */
+
+
+/* File handle structure.  */
+struct file_handle
+{
+  unsigned int handle_bytes;
+  int handle_type;
+  /* File identifier.  */
+  unsigned char f_handle[0];
+};
+
+/* Maximum handle size (for now).  */
+# define MAX_HANDLE_SZ	128
 #endif
 
 __BEGIN_DECLS
@@ -248,20 +262,32 @@ extern int sync_file_range (int __fd, __off64_t __offset, __off64_t __count,
 			    unsigned int __flags);
 
 
-/* Splice address range into a pipe.  */
+/* Splice address range into a pipe.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
 extern ssize_t vmsplice (int __fdout, const struct iovec *__iov,
 			 size_t __count, unsigned int __flags);
 
-/* Splice two files together.  */
+/* Splice two files together.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
 extern ssize_t splice (int __fdin, __off64_t *__offin, int __fdout,
 		       __off64_t *__offout, size_t __len,
 		       unsigned int __flags);
 
-/* In-kernel implementation of tee for pipe buffers.  */
+/* In-kernel implementation of tee for pipe buffers.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
 extern ssize_t tee (int __fdin, int __fdout, size_t __len,
 		    unsigned int __flags);
 
-/* Reserve storage for the data of the file associated with FD.  */
+/* Reserve storage for the data of the file associated with FD.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
 # ifndef __USE_FILE_OFFSET64
 extern int fallocate (int __fd, int __mode, __off_t __offset, __off_t __len);
 # else
@@ -278,6 +304,19 @@ extern int fallocate64 (int __fd, int __mode, __off64_t __offset,
 			__off64_t __len);
 # endif
 
+
+/* Map file name to file handle.  */
+extern int name_to_handle_at (int __dfd, const char *__name,
+			      struct file_handle *__handle, int *__mnt_id,
+			      int __flags) __THROW;
+
+/* Open file using the file handle.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
+extern int open_by_handle_at (int __mountdirfd, struct file_handle *__handle,
+			      int __flags);
+
 #endif
 
 __END_DECLS
diff --git a/libc/sysdeps/unix/sysv/linux/i386/sync_file_range.S b/libc/sysdeps/unix/sysv/linux/i386/call_sync_file_range.S
index 8544703d5..fb0ab492c 100644
--- a/libc/sysdeps/unix/sysv/linux/i386/sync_file_range.S
+++ b/libc/sysdeps/unix/sysv/linux/i386/call_sync_file_range.S
@@ -1,5 +1,5 @@
 /* Selective file content synch'ing.
-   Copyright (C) 2006, 2007 Free Software Foundation, Inc.
+   Copyright (C) 2006, 2007, 2011 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
@@ -23,7 +23,7 @@
 
 
 	.text
-ENTRY (sync_file_range)
+ENTRY (__call_sync_file_range)
 #ifdef __NR_sync_file_range
 	pushl	%ebx
 	cfi_adjust_cfa_offset (4)
@@ -69,4 +69,4 @@ ENTRY (sync_file_range)
 #endif
 L(pseudo_end):
 	ret
-PSEUDO_END (sync_file_range)
+PSEUDO_END (__call_sync_file_range)
diff --git a/libc/sysdeps/unix/sysv/linux/i386/fallocate.c b/libc/sysdeps/unix/sysv/linux/i386/fallocate.c
index 1434a833f..33e20753d 100644
--- a/libc/sysdeps/unix/sysv/linux/i386/fallocate.c
+++ b/libc/sysdeps/unix/sysv/linux/i386/fallocate.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2007, 2009 Free Software Foundation, Inc.
+/* Copyright (C) 2007, 2009, 2011 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
@@ -18,7 +18,7 @@
 
 #include <errno.h>
 #include <fcntl.h>
-#include <sysdep.h>
+#include <sysdep-cancel.h>
 
 
 extern int __call_fallocate (int fd, int mode, __off64_t offset, __off64_t len)
@@ -30,7 +30,17 @@ int
 fallocate (int fd, int mode, __off_t offset, __off_t len)
 {
 #ifdef __NR_fallocate
-  int err = __call_fallocate (fd, mode, offset, len);
+  int err;
+  if (SINGLE_THREAD_P)
+    err = __call_fallocate (fd, mode, offset, len);
+  else
+    {
+      int oldtype = LIBC_CANCEL_ASYNC ();
+
+      err = __call_fallocate (fd, mode, offset, len);
+
+      LIBC_CANCEL_RESET (oldtype);
+    }
   if (__builtin_expect (err, 0))
     {
       __set_errno (err);
diff --git a/libc/sysdeps/unix/sysv/linux/i386/fallocate64.c b/libc/sysdeps/unix/sysv/linux/i386/fallocate64.c
index 063bab06e..83372a92f 100644
--- a/libc/sysdeps/unix/sysv/linux/i386/fallocate64.c
+++ b/libc/sysdeps/unix/sysv/linux/i386/fallocate64.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2007, 2009 Free Software Foundation, Inc.
+/* Copyright (C) 2007, 2009, 2011 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
@@ -18,7 +18,7 @@
 
 #include <errno.h>
 #include <fcntl.h>
-#include <sysdep.h>
+#include <sysdep-cancel.h>
 
 
 extern int __call_fallocate (int fd, int mode, __off64_t offset, __off64_t len)
@@ -30,7 +30,17 @@ int
 fallocate64 (int fd, int mode, __off64_t offset, __off64_t len)
 {
 #ifdef __NR_fallocate
-  int err = __call_fallocate (fd, mode, offset, len);
+  int err;
+  if (SINGLE_THREAD_P)
+    err = __call_fallocate (fd, mode, offset, len);
+  else
+    {
+      int oldtype = LIBC_CANCEL_ASYNC ();
+
+      err = __call_fallocate (fd, mode, offset, len);
+
+      LIBC_CANCEL_RESET (oldtype);
+    }
   if (__builtin_expect (err, 0))
     {
       __set_errno (err);
diff --git a/libc/sysdeps/unix/sysv/linux/i386/sync_file_range.c b/libc/sysdeps/unix/sysv/linux/i386/sync_file_range.c
new file mode 100644
index 000000000..c10e99604
--- /dev/null
+++ b/libc/sysdeps/unix/sysv/linux/i386/sync_file_range.c
@@ -0,0 +1,44 @@
+/* Selective file content synch'ing.
+   Copyright (C) 2006, 2007, 2011 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.  */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <sysdep-cancel.h>
+
+
+extern int __call_sync_file_range (int fd, off64_t offset, off64_t nbytes,
+				   unsigned int flags)
+     attribute_hidden;
+
+
+int
+sync_file_range (int fd, __off64_t from, __off64_t to, unsigned int flags)
+{
+  if (SINGLE_THREAD_P)
+    return __call_sync_file_range (fd, from, to, flags);
+
+  int result;
+  int oldtype = LIBC_CANCEL_ASYNC ();
+
+  result = __call_sync_file_range (fd, from, to, flags);
+
+  LIBC_CANCEL_RESET (oldtype);
+
+  return result;
+}
diff --git a/libc/sysdeps/unix/sysv/linux/i386/sysconf.c b/libc/sysdeps/unix/sysv/linux/i386/sysconf.c
index 4ea1a2bf5..1f5d3b06b 100644
--- a/libc/sysdeps/unix/sysv/linux/i386/sysconf.c
+++ b/libc/sysdeps/unix/sysv/linux/i386/sysconf.c
@@ -231,6 +231,8 @@ intel_check_word (int name, unsigned int value, bool *has_level_2,
 		  assert (offset == 2);
 		  return (ebx & 0xfff) + 1;
 		}
+
+	      ++round;
 	    }
 	  /* There is no other cache information anywhere else.  */
 	  break;
diff --git a/libc/sysdeps/unix/sysv/linux/ia64/bits/fcntl.h b/libc/sysdeps/unix/sysv/linux/ia64/bits/fcntl.h
index 2189a9722..72f4b6cea 100644
--- a/libc/sysdeps/unix/sysv/linux/ia64/bits/fcntl.h
+++ b/libc/sysdeps/unix/sysv/linux/ia64/bits/fcntl.h
@@ -1,5 +1,5 @@
 /* O_*, F_*, FD_* bit values for Linux/IA64.
-   Copyright (C) 1999, 2000, 2004, 2006, 2007, 2009, 2010
+   Copyright (C) 1999, 2000, 2004, 2006, 2007, 2009, 2010, 2011
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -53,6 +53,7 @@
 #ifdef __USE_GNU
 # define O_DIRECT	040000
 # define O_NOATIME	01000000 /* Do not set atime.  */
+# define O_PATH		010000000 /* Resolve pathname but do not open file.  */
 #endif
 
 #ifdef __USE_LARGEFILE64
@@ -227,6 +228,19 @@ struct f_owner_ex
 					   we splice from/to).  */
 # define SPLICE_F_MORE		4	/* Expect more data.  */
 # define SPLICE_F_GIFT		8	/* Pages passed in are a gift.  */
+
+
+/* File handle structure.  */
+struct file_handle
+{
+  unsigned int handle_bytes;
+  int handle_type;
+  /* File identifier.  */
+  unsigned char f_handle[0];
+};
+
+/* Maximum handle size (for now).  */
+# define MAX_HANDLE_SZ	128
 #endif
 
 __BEGIN_DECLS
@@ -238,25 +252,40 @@ extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
     __THROW;
 
 
-/* Selective file content synch'ing.  */
+/* Selective file content synch'ing.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
 extern int sync_file_range (int __fd, __off64_t __offset, __off64_t __count,
 			    unsigned int __flags);
 
 
-/* Splice address range into a pipe.  */
+/* Splice address range into a pipe.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
 extern ssize_t vmsplice (int __fdout, const struct iovec *__iov,
 			 size_t __count, unsigned int __flags);
 
-/* Splice two files together.  */
+/* Splice two files together.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
 extern ssize_t splice (int __fdin, __off64_t *__offin, int __fdout,
 		       __off64_t *__offout, size_t __len,
 		       unsigned int __flags);
 
-/* In-kernel implementation of tee for pipe buffers.  */
+/* In-kernel implementation of tee for pipe buffers.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
 extern ssize_t tee (int __fdin, int __fdout, size_t __len,
 		    unsigned int __flags);
 
-/* Reserve storage for the data of the file associated with FD.  */
+/* Reserve storage for the data of the file associated with FD.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
 # ifndef __USE_FILE_OFFSET64
 extern int fallocate (int __fd, int __mode, __off_t __offset, __off_t __len);
 # else
@@ -273,6 +302,19 @@ extern int fallocate64 (int __fd, int __mode, __off64_t __offset,
 			__off64_t __len);
 # endif
 
+
+/* Map file name to file handle.  */
+extern int name_to_handle_at (int __dfd, const char *__name,
+			      struct file_handle *__handle, int *__mnt_id,
+			      int __flags) __THROW;
+
+/* Open file using the file handle.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
+extern int open_by_handle_at (int __mountdirfd, struct file_handle *__handle,
+			      int __flags);
+
 #endif
 
 __END_DECLS
diff --git a/libc/sysdeps/unix/sysv/linux/powerpc/bits/fcntl.h b/libc/sysdeps/unix/sysv/linux/powerpc/bits/fcntl.h
index ea760f64a..e533ed1b6 100644
--- a/libc/sysdeps/unix/sysv/linux/powerpc/bits/fcntl.h
+++ b/libc/sysdeps/unix/sysv/linux/powerpc/bits/fcntl.h
@@ -1,5 +1,5 @@
 /* O_*, F_*, FD_* bit values for Linux/PowerPC.
-   Copyright (C) 1995-1998, 2000, 2003, 2004, 2006, 2007, 2009, 2010
+   Copyright (C) 1995-1998, 2000, 2003, 2004, 2006, 2007, 2009, 2010, 2011
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -53,6 +53,7 @@
 #ifdef __USE_GNU
 # define O_DIRECT	0400000	/* Direct disk access.	*/
 # define O_NOATIME	01000000 /* Do not set atime.  */
+# define O_PATH		010000000 /* Resolve pathname but do not open file.  */
 #endif
 
 #ifdef __USE_LARGEFILE64
diff --git a/libc/sysdeps/unix/sysv/linux/s390/bits/fcntl.h b/libc/sysdeps/unix/sysv/linux/s390/bits/fcntl.h
index 05c7a3ba8..df039685a 100644
--- a/libc/sysdeps/unix/sysv/linux/s390/bits/fcntl.h
+++ b/libc/sysdeps/unix/sysv/linux/s390/bits/fcntl.h
@@ -1,5 +1,5 @@
 /* O_*, F_*, FD_* bit values for Linux.
-   Copyright (C) 2000-2002,2004,2006,2007,2009,2010
+   Copyright (C) 2000-2002,2004,2006,2007,2009,2010,2011
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -54,6 +54,7 @@
 #ifdef __USE_GNU
 # define O_DIRECT	 040000	/* Direct disk access.	*/
 # define O_NOATIME     01000000 /* Do not set atime.  */
+# define O_PATH	      010000000 /* Resolve pathname but do not open file.  */
 #endif
 
 #ifdef __USE_LARGEFILE64
@@ -253,6 +254,19 @@ struct f_owner_ex
 					   we splice from/to).  */
 # define SPLICE_F_MORE		4	/* Expect more data.  */
 # define SPLICE_F_GIFT		8	/* Pages passed in are a gift.  */
+
+
+/* File handle structure.  */
+struct file_handle
+{
+  unsigned int handle_bytes;
+  int handle_type;
+  /* File identifier.  */
+  unsigned char f_handle[0];
+};
+
+/* Maximum handle size (for now).  */
+# define MAX_HANDLE_SZ	128
 #endif
 
 __BEGIN_DECLS
@@ -264,25 +278,40 @@ extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
     __THROW;
 
 
-/* Selective file content synch'ing.  */
+/* Selective file content synch'ing.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
 extern int sync_file_range (int __fd, __off64_t __offset, __off64_t __count,
 			    unsigned int __flags);
 
 
-/* Splice address range into a pipe.  */
+/* Splice address range into a pipe.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
 extern ssize_t vmsplice (int __fdout, const struct iovec *__iov,
 			 size_t __count, unsigned int __flags);
 
-/* Splice two files together.  */
+/* Splice two files together.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
 extern ssize_t splice (int __fdin, __off64_t *__offin, int __fdout,
 		       __off64_t *__offout, size_t __len,
 		       unsigned int __flags);
 
-/* In-kernel implementation of tee for pipe buffers.  */
+/* In-kernel implementation of tee for pipe buffers.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
 extern ssize_t tee (int __fdin, int __fdout, size_t __len,
 		    unsigned int __flags);
 
-/* Reserve storage for the data of the file associated with FD.  */
+/* Reserve storage for the data of the file associated with FD.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
 # ifndef __USE_FILE_OFFSET64
 extern int fallocate (int __fd, int __mode, __off_t __offset, __off_t __len);
 # else
@@ -299,6 +328,19 @@ extern int fallocate64 (int __fd, int __mode, __off64_t __offset,
 			__off64_t __len);
 # endif
 
+
+/* Map file name to file handle.  */
+extern int name_to_handle_at (int __dfd, const char *__name,
+			      struct file_handle *__handle, int *__mnt_id,
+			      int __flags) __THROW;
+
+/* Open file using the file handle.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
+extern int open_by_handle_at (int __mountdirfd, struct file_handle *__handle,
+			      int __flags);
+
 #endif
 
 __END_DECLS
diff --git a/libc/sysdeps/unix/sysv/linux/sh/bits/fcntl.h b/libc/sysdeps/unix/sysv/linux/sh/bits/fcntl.h
index df21f6af4..bf2aa83c1 100644
--- a/libc/sysdeps/unix/sysv/linux/sh/bits/fcntl.h
+++ b/libc/sysdeps/unix/sysv/linux/sh/bits/fcntl.h
@@ -1,5 +1,5 @@
-/* O_*, F_*, FD_* bit values for Linux.
-   Copyright (C) 1995, 1996, 1997, 1998, 2000, 2004, 2006, 2007, 2009, 2010
+/* O_*, F_*, FD_* bit values for Linux/SH.
+   Copyright (C) 1995-1998, 2000, 2004, 2006, 2007, 2009, 2010, 2011
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -54,6 +54,7 @@
 #ifdef __USE_GNU
 # define O_DIRECT	 040000	/* Direct disk access.	*/
 # define O_NOATIME     01000000 /* Do not set atime.  */
+# define O_PATH	      010000000 /* Resolve pathname but do not open file.  */
 #endif
 
 /* For now Linux has synchronisity options for data and read operations.
@@ -233,6 +234,19 @@ struct f_owner_ex
 					   we splice from/to).  */
 # define SPLICE_F_MORE		4	/* Expect more data.  */
 # define SPLICE_F_GIFT		8	/* Pages passed in are a gift.  */
+
+
+/* File handle structure.  */
+struct file_handle
+{
+  unsigned int handle_bytes;
+  int handle_type;
+  /* File identifier.  */
+  unsigned char f_handle[0];
+};
+
+/* Maximum handle size (for now).  */
+# define MAX_HANDLE_SZ	128
 #endif
 
 __BEGIN_DECLS
@@ -244,25 +258,40 @@ extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
     __THROW;
 
 
-/* Selective file content synch'ing.  */
+/* Selective file content synch'ing.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
 extern int sync_file_range (int __fd, __off64_t __offset, __off64_t __count,
 			    unsigned int __flags);
 
 
-/* Splice address range into a pipe.  */
+/* Splice address range into a pipe.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
 extern ssize_t vmsplice (int __fdout, const struct iovec *__iov,
 			 size_t __count, unsigned int __flags);
 
-/* Splice two files together.  */
+/* Splice two files together.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
 extern ssize_t splice (int __fdin, __off64_t *__offin, int __fdout,
 		       __off64_t *__offout, size_t __len,
 		       unsigned int __flags);
 
-/* In-kernel implementation of tee for pipe buffers.  */
+/* In-kernel implementation of tee for pipe buffers.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
 extern ssize_t tee (int __fdin, int __fdout, size_t __len,
 		    unsigned int __flags);
 
-/* Reserve storage for the data of the file associated with FD.  */
+/* Reserve storage for the data of the file associated with FD.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
 # ifndef __USE_FILE_OFFSET64
 extern int fallocate (int __fd, int __mode, __off_t __offset, __off_t __len);
 # else
@@ -279,6 +308,19 @@ extern int fallocate64 (int __fd, int __mode, __off64_t __offset,
 			__off64_t __len);
 # endif
 
+
+/* Map file name to file handle.  */
+extern int name_to_handle_at (int __dfd, const char *__name,
+			      struct file_handle *__handle, int *__mnt_id,
+			      int __flags) __THROW;
+
+/* Open file using the file handle.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
+extern int open_by_handle_at (int __mountdirfd, struct file_handle *__handle,
+			      int __flags);
+
 #endif
 
 __END_DECLS
diff --git a/libc/sysdeps/unix/sysv/linux/sparc/bits/fcntl.h b/libc/sysdeps/unix/sysv/linux/sparc/bits/fcntl.h
index bf8f3d60e..1271a12ce 100644
--- a/libc/sysdeps/unix/sysv/linux/sparc/bits/fcntl.h
+++ b/libc/sysdeps/unix/sysv/linux/sparc/bits/fcntl.h
@@ -1,5 +1,5 @@
 /* O_*, F_*, FD_* bit values for Linux/SPARC.
-   Copyright (C) 1995-1998, 2000, 2003, 2004, 2006, 2007, 2009, 2010
+   Copyright (C) 1995-1998, 2000, 2003, 2004, 2006, 2007, 2009, 2010, 2011
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -52,6 +52,7 @@
 #ifdef __USE_GNU
 # define O_DIRECT	0x100000 /* direct disk access hint */
 # define O_NOATIME	0x200000 /* Do not set atime.  */
+# define O_PATH		0x1000000 /* Resolve pathname but do not open file.  */
 #endif
 
 #ifdef __USE_LARGEFILE64
@@ -243,6 +244,19 @@ struct f_owner_ex
 					   we splice from/to).  */
 # define SPLICE_F_MORE		4	/* Expect more data.  */
 # define SPLICE_F_GIFT		8	/* Pages passed in are a gift.  */
+
+
+/* File handle structure.  */
+struct file_handle
+{
+  unsigned int handle_bytes;
+  int handle_type;
+  /* File identifier.  */
+  unsigned char f_handle[0];
+};
+
+/* Maximum handle size (for now).  */
+# define MAX_HANDLE_SZ	128
 #endif
 
 __BEGIN_DECLS
@@ -254,7 +268,10 @@ extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
     __THROW;
 
 
-/* Selective file content synch'ing.  */
+/* Selective file content synch'ing.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
 extern int sync_file_range (int __fd, __off64_t __offset, __off64_t __count,
 			    unsigned int __flags);
 
@@ -263,16 +280,25 @@ extern int sync_file_range (int __fd, __off64_t __offset, __off64_t __count,
 extern ssize_t vmsplice (int __fdout, const struct iovec *__iov,
 			 size_t __count, unsigned int __flags);
 
-/* Splice two files together.  */
+/* Splice two files together.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
 extern ssize_t splice (int __fdin, __off64_t *__offin, int __fdout,
 		       __off64_t *__offout, size_t __len,
 		       unsigned int __flags);
 
-/* In-kernel implementation of tee for pipe buffers.  */
+/* In-kernel implementation of tee for pipe buffers.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
 extern ssize_t tee (int __fdin, int __fdout, size_t __len,
 		    unsigned int __flags);
 
-/* Reserve storage for the data of the file associated with FD.  */
+/* Reserve storage for the data of the file associated with FD.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
 # ifndef __USE_FILE_OFFSET64
 extern int fallocate (int __fd, int __mode, __off_t __offset, __off_t __len);
 # else
@@ -289,6 +315,19 @@ extern int fallocate64 (int __fd, int __mode, __off64_t __offset,
 			__off64_t __len);
 # endif
 
+
+/* Map file name to file handle.  */
+extern int name_to_handle_at (int __dfd, const char *__name,
+			      struct file_handle *__handle, int *__mnt_id,
+			      int __flags) __THROW;
+
+/* Open file using the file handle.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
+extern int open_by_handle_at (int __mountdirfd, struct file_handle *__handle,
+			      int __flags);
+
 #endif
 
 __END_DECLS
diff --git a/libc/sysdeps/unix/sysv/linux/sync_file_range.c b/libc/sysdeps/unix/sysv/linux/sync_file_range.c
index 41e08e028..1b20d6ce0 100644
--- a/libc/sysdeps/unix/sysv/linux/sync_file_range.c
+++ b/libc/sysdeps/unix/sysv/linux/sync_file_range.c
@@ -1,5 +1,5 @@
 /* Selective file content synch'ing.
-   Copyright (C) 2006, 2007, 2009 Free Software Foundation, Inc.
+   Copyright (C) 2006, 2007, 2009, 2011 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
@@ -21,7 +21,7 @@
 #include <fcntl.h>
 #include <sys/types.h>
 
-#include <sysdep.h>
+#include <sysdep-cancel.h>
 #include <sys/syscall.h>
 
 
@@ -29,18 +29,43 @@
 int
 sync_file_range (int fd, __off64_t from, __off64_t to, unsigned int flags)
 {
-  return INLINE_SYSCALL (sync_file_range, 6, fd,
-			 __LONG_LONG_PAIR ((long) (from >> 32), (long) from),
-			 __LONG_LONG_PAIR ((long) (to >> 32), (long) to),
-			 flags);
+  if (SINGLE_THREAD_P)
+    return INLINE_SYSCALL (sync_file_range, 6, fd,
+			   __LONG_LONG_PAIR ((long) (from >> 32), (long) from),
+			   __LONG_LONG_PAIR ((long) (to >> 32), (long) to),
+			   flags);
+
+  int result;
+  int oldtype = LIBC_CANCEL_ASYNC ();
+
+  result = INLINE_SYSCALL (sync_file_range, 6, fd,
+			   __LONG_LONG_PAIR ((long) (from >> 32), (long) from),
+			   __LONG_LONG_PAIR ((long) (to >> 32), (long) to),
+			   flags);
+
+  LIBC_CANCEL_RESET (oldtype);
+
+  return result;
 }
 #elif defined __NR_sync_file_range2
 int
 sync_file_range (int fd, __off64_t from, __off64_t to, unsigned int flags)
 {
-  return INLINE_SYSCALL (sync_file_range2, 6, fd, flags,
-			 __LONG_LONG_PAIR ((long) (from >> 32), (long) from),
-			 __LONG_LONG_PAIR ((long) (to >> 32), (long) to));
+  if (SINGLE_THREAD_P)
+    return INLINE_SYSCALL (sync_file_range2, 6, fd, flags,
+			   __LONG_LONG_PAIR ((long) (from >> 32), (long) from),
+			   __LONG_LONG_PAIR ((long) (to >> 32), (long) to));
+
+  int result;
+  int oldtype = LIBC_CANCEL_ASYNC ();
+
+  result = INLINE_SYSCALL (sync_file_range2, 6, fd, flags,
+			   __LONG_LONG_PAIR ((long) (from >> 32), (long) from),
+			   __LONG_LONG_PAIR ((long) (to >> 32), (long) to));
+
+  LIBC_CANCEL_RESET (oldtype);
+
+  return result;
 }
 #else
 int
diff --git a/libc/sysdeps/unix/sysv/linux/sys/timex.h b/libc/sysdeps/unix/sysv/linux/sys/timex.h
index 13b94d6f4..de61bb54d 100644
--- a/libc/sysdeps/unix/sysv/linux/sys/timex.h
+++ b/libc/sysdeps/unix/sysv/linux/sys/timex.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-1997, 1999, 2007, 2009 Free Software Foundation, Inc.
+/* Copyright (C) 1995-1997,1999,2007,2009,2011 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
@@ -24,6 +24,8 @@
 
 /* These definitions from linux/timex.h as of 2.6.30.  */
 
+#include <bits/timex.h>
+
 #define NTP_API	4	/* NTP API version */
 
 struct ntptimeval
@@ -39,90 +41,6 @@ struct ntptimeval
   long int __unused4;
 };
 
-struct timex
-{
-  unsigned int modes;	/* mode selector */
-  long int offset;	/* time offset (usec) */
-  long int freq;	/* frequency offset (scaled ppm) */
-  long int maxerror;	/* maximum error (usec) */
-  long int esterror;	/* estimated error (usec) */
-  int status;		/* clock command/status */
-  long int constant;	/* pll time constant */
-  long int precision;	/* clock precision (usec) (read only) */
-  long int tolerance;	/* clock frequency tolerance (ppm) (read only) */
-  struct timeval time;	/* (read only) */
-  long int tick;	/* (modified) usecs between clock ticks */
-
-  long int ppsfreq;	/* pps frequency (scaled ppm) (ro) */
-  long int jitter;	/* pps jitter (us) (ro) */
-  int shift;		/* interval duration (s) (shift) (ro) */
-  long int stabil;	/* pps stability (scaled ppm) (ro) */
-  long int jitcnt;	/* jitter limit exceeded (ro) */
-  long int calcnt;	/* calibration intervals (ro) */
-  long int errcnt;	/* calibration errors (ro) */
-  long int stbcnt;	/* stability limit exceeded (ro) */
-
-  int tai;		/* TAI offset (ro) */
-
-  /* ??? */
-  int  :32; int  :32; int  :32; int  :32;
-  int  :32; int  :32; int  :32; int  :32;
-  int  :32; int  :32; int  :32;
-};
-
-/* Mode codes (timex.mode) */
-#define ADJ_OFFSET		0x0001	/* time offset */
-#define ADJ_FREQUENCY		0x0002	/* frequency offset */
-#define ADJ_MAXERROR		0x0004	/* maximum time error */
-#define ADJ_ESTERROR		0x0008	/* estimated time error */
-#define ADJ_STATUS		0x0010	/* clock status */
-#define ADJ_TIMECONST		0x0020	/* pll time constant */
-#define ADJ_TAI			0x0080	/* set TAI offset */
-#define ADJ_MICRO		0x1000	/* select microsecond resolution */
-#define ADJ_NANO		0x2000	/* select nanosecond resolution */
-#define ADJ_TICK		0x4000	/* tick value */
-#define ADJ_OFFSET_SINGLESHOT	0x8001	/* old-fashioned adjtime */
-#define ADJ_OFFSET_SS_READ	0xa001	/* read-only adjtime */
-
-/* xntp 3.4 compatibility names */
-#define MOD_OFFSET	ADJ_OFFSET
-#define MOD_FREQUENCY	ADJ_FREQUENCY
-#define MOD_MAXERROR	ADJ_MAXERROR
-#define MOD_ESTERROR	ADJ_ESTERROR
-#define MOD_STATUS	ADJ_STATUS
-#define MOD_TIMECONST	ADJ_TIMECONST
-#define MOD_CLKB	ADJ_TICK
-#define MOD_CLKA	ADJ_OFFSET_SINGLESHOT /* 0x8000 in original */
-#define MOD_TAI		ADJ_TAI
-#define MOD_MICRO	ADJ_MICRO
-#define MOD_NANO	ADJ_NANO
-
-
-/* Status codes (timex.status) */
-#define STA_PLL		0x0001	/* enable PLL updates (rw) */
-#define STA_PPSFREQ	0x0002	/* enable PPS freq discipline (rw) */
-#define STA_PPSTIME	0x0004	/* enable PPS time discipline (rw) */
-#define STA_FLL		0x0008	/* select frequency-lock mode (rw) */
-
-#define STA_INS		0x0010	/* insert leap (rw) */
-#define STA_DEL		0x0020	/* delete leap (rw) */
-#define STA_UNSYNC	0x0040	/* clock unsynchronized (rw) */
-#define STA_FREQHOLD	0x0080	/* hold frequency (rw) */
-
-#define STA_PPSSIGNAL	0x0100	/* PPS signal present (ro) */
-#define STA_PPSJITTER	0x0200	/* PPS signal jitter exceeded (ro) */
-#define STA_PPSWANDER	0x0400	/* PPS signal wander exceeded (ro) */
-#define STA_PPSERROR	0x0800	/* PPS signal calibration error (ro) */
-
-#define STA_CLOCKERR	0x1000	/* clock hardware fault (ro) */
-#define STA_NANO	0x2000	/* resolution (0 = us, 1 = ns) (ro) */
-#define STA_MODE	0x4000	/* mode (0 = PLL, 1 = FLL) (ro) */
-#define STA_CLK		0x8000	/* clock source (0 = A, 1 = B) (ro) */
-
-/* Read-only bits */
-#define STA_RONLY (STA_PPSSIGNAL | STA_PPSJITTER | STA_PPSWANDER | \
-    STA_PPSERROR | STA_CLOCKERR | STA_NANO | STA_MODE | STA_CLK)
-
 /* Clock states (time_state) */
 #define TIME_OK		0	/* clock synchronized, no leap second */
 #define TIME_INS	1	/* insert leap second */
diff --git a/libc/sysdeps/unix/sysv/linux/syscalls.list b/libc/sysdeps/unix/sysv/linux/syscalls.list
index 0f3345490..051303f07 100644
--- a/libc/sysdeps/unix/sysv/linux/syscalls.list
+++ b/libc/sysdeps/unix/sysv/linux/syscalls.list
@@ -4,6 +4,7 @@ adjtimex	adjtime	adjtimex	i:p	__adjtimex	adjtimex ntp_adjtime __adjtimex_interna
 bdflush		EXTRA	bdflush		i:ii	bdflush
 capget		EXTRA	capget		i:pp	capget
 capset		EXTRA	capset		i:pp	capset
+clock_adjtime	EXTRA	clock_adjtime	i:ip	clock_adjtime
 creat		-	creat		Ci:si	__libc_creat creat
 create_module	EXTRA	create_module	3	create_module
 delete_module	EXTRA	delete_module	3	delete_module
@@ -103,3 +104,6 @@ timerfd_settime	EXTRA	timerfd_settime	i:iipp	timerfd_settime
 timerfd_gettime	EXTRA	timerfd_gettime	i:ip	timerfd_gettime
 
 fanotify_init	EXTRA	fanotify_init	i:ii	fanotify_init
+
+name_to_handle_at EXTRA	name_to_handle_at i:isppi name_to_handle_at
+open_by_handle_at EXTRA	open_by_handle_at Ci:ipi  open_by_handle_at
diff --git a/libc/sysdeps/unix/sysv/linux/wordsize-64/fallocate.c b/libc/sysdeps/unix/sysv/linux/wordsize-64/fallocate.c
index 3e8954f0b..fc08b7be5 100644
--- a/libc/sysdeps/unix/sysv/linux/wordsize-64/fallocate.c
+++ b/libc/sysdeps/unix/sysv/linux/wordsize-64/fallocate.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2007, 2009 Free Software Foundation, Inc.
+/* Copyright (C) 2007, 2009, 2011 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
@@ -18,7 +18,7 @@
 
 #include <errno.h>
 #include <fcntl.h>
-#include <sysdep.h>
+#include <sysdep-cancel.h>
 
 
 /* Reserve storage for the data of the file associated with FD.  */
@@ -26,7 +26,17 @@ int
 fallocate (int fd, int mode, __off_t offset, __off_t len)
 {
 #ifdef __NR_fallocate
-  return INLINE_SYSCALL (fallocate, 4, fd, mode, offset, len);
+  if (SINGLE_THREAD_P)
+    return INLINE_SYSCALL (fallocate, 4, fd, mode, offset, len);
+
+  int result;
+  int oldtype = LIBC_CANCEL_ASYNC ();
+
+  result = INLINE_SYSCALL (fallocate, 4, fd, mode, offset, len);
+
+  LIBC_CANCEL_RESET (oldtype);
+
+  return result;
 #else
   __set_errno (ENOSYS);
   return -1;
diff --git a/libc/sysdeps/unix/sysv/linux/wordsize-64/syscalls.list b/libc/sysdeps/unix/sysv/linux/wordsize-64/syscalls.list
index fda3db1de..74732ab98 100644
--- a/libc/sysdeps/unix/sysv/linux/wordsize-64/syscalls.list
+++ b/libc/sysdeps/unix/sysv/linux/wordsize-64/syscalls.list
@@ -14,7 +14,7 @@ getrlimit	-	getrlimit	i:ip	__getrlimit	getrlimit getrlimit64
 setrlimit	-	setrlimit	i:ip	__setrlimit	setrlimit setrlimit64
 readahead	-	readahead	i:iii	__readahead	readahead
 sendfile	-	sendfile	i:iipi	sendfile	sendfile64
-sync_file_range	-	sync_file_range	i:iiii	sync_file_range
+sync_file_range	-	sync_file_range	Ci:iiii	sync_file_range
 creat		-	creat		Ci:si	__libc_creat	creat creat64
 open		-	open		Ci:siv	__libc_open	__open open __open64 open64
 prlimit		EXTRA	prlimit64	i:iipp	prlimit		prlimit64
diff --git a/libc/sysdeps/unix/sysv/linux/x86_64/bits/fcntl.h b/libc/sysdeps/unix/sysv/linux/x86_64/bits/fcntl.h
index ac029fdda..7f18562c1 100644
--- a/libc/sysdeps/unix/sysv/linux/x86_64/bits/fcntl.h
+++ b/libc/sysdeps/unix/sysv/linux/x86_64/bits/fcntl.h
@@ -1,5 +1,5 @@
 /* O_*, F_*, FD_* bit values for Linux/x86-64.
-   Copyright (C) 2001,2002,2004,2006,2007,2009,2010
+   Copyright (C) 2001,2002,2004,2006,2007,2009,2010,2011
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -54,6 +54,7 @@
 #ifdef __USE_GNU
 # define O_DIRECT	 040000	/* Direct disk access.	*/
 # define O_NOATIME     01000000 /* Do not set atime.  */
+# define O_PATH	      010000000 /* Resolve pathname but do not open file.  */
 #endif
 
 /* For now Linux has synchronisity options for data and read operations.
@@ -247,6 +248,19 @@ struct f_owner_ex
 					   we splice from/to).  */
 # define SPLICE_F_MORE		4	/* Expect more data.  */
 # define SPLICE_F_GIFT		8	/* Pages passed in are a gift.  */
+
+
+/* File handle structure.  */
+struct file_handle
+{
+  unsigned int handle_bytes;
+  int handle_type;
+  /* File identifier.  */
+  unsigned char f_handle[0];
+};
+
+/* Maximum handle size (for now).  */
+# define MAX_HANDLE_SZ	128
 #endif
 
 __BEGIN_DECLS
@@ -258,25 +272,40 @@ extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
     __THROW;
 
 
-/* Selective file content synch'ing.  */
+/* Selective file content synch'ing.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
 extern int sync_file_range (int __fd, __off64_t __offset, __off64_t __count,
 			    unsigned int __flags);
 
 
-/* Splice address range into a pipe.  */
+/* Splice address range into a pipe.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
 extern ssize_t vmsplice (int __fdout, const struct iovec *__iov,
 			 size_t __count, unsigned int __flags);
 
-/* Splice two files together.  */
+/* Splice two files together.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
 extern ssize_t splice (int __fdin, __off64_t *__offin, int __fdout,
 		       __off64_t *__offout, size_t __len,
 		       unsigned int __flags);
 
-/* In-kernel implementation of tee for pipe buffers.  */
+/* In-kernel implementation of tee for pipe buffers.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
 extern ssize_t tee (int __fdin, int __fdout, size_t __len,
 		    unsigned int __flags);
 
-/* Reserve storage for the data of the file associated with FD.  */
+/* Reserve storage for the data of the file associated with FD.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
 # ifndef __USE_FILE_OFFSET64
 extern int fallocate (int __fd, int __mode, __off_t __offset, __off_t __len);
 # else
@@ -292,6 +321,20 @@ extern int __REDIRECT (fallocate, (int __fd, int __mode, __off64_t __offset,
 extern int fallocate64 (int __fd, int __mode, __off64_t __offset,
 			__off64_t __len);
 # endif
-#endif
+
+
+/* Map file name to file handle.  */
+extern int name_to_handle_at (int __dfd, const char *__name,
+			      struct file_handle *__handle, int *__mnt_id,
+			      int __flags) __THROW;
+
+/* Open file using the file handle.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
+extern int open_by_handle_at (int __mountdirfd, struct file_handle *__handle,
+			      int __flags);
+
+#endif	/* use GNU */
 
 __END_DECLS