* sysdeps/unix/sysv/linux/powerpc/bits/stat.h: Define UTIME_NOW and

	UTIME_OMIT.
	* sysdeps/unix/sysv/linux/x86_64/bits/stat.h: Likewise.
	* sysdeps/unix/sysv/linux/sparc/bits/stat.h: Likewise.
	* sysdeps/unix/sysv/linux/alpha/bits/stat.h: Likewise.
	* sysdeps/unix/sysv/linux/ia64/bits/stat.h: Likewise.
	* sysdeps/unix/sysv/linux/bits/stat.h: Likewise.
	* sysdeps/unix/sysv/linux/s390/bits/stat.h: Likewise.
	* sysdeps/unix/sysv/linux/kernel-features.h: Define __ASSUME_UTIMENSAT.
	* io/sys/stat.h: Declare utimensat, futimens.
	* io/utimensat.c: New file.
	* io/futimens.c: New file.
	* sysdeps/unix/sysv/linux/utimensat.c: New file.
	* sysdeps/unix/sysv/linux/futimens.c: New file.
	* io/Makefile (routines): Add utimensat, futimens.
	* io/Versions: Add utimensat, futimens to GLIBC_2.6.
	* sysdeps/unix/sysv/linux/lutimes.c: New file.
	* sysdeps/unix/sysv/linux/futimes.c: Use utimensat syscall if
	available.

	* include/sys/cdefs.h: Redefine __nonnull so that test for
	incorrect parameters in the libc code itself are not omitted.

1 files changed, 45 insertions, 0 deletions

diff --git a/sysdeps/unix/sysv/linux/futimens.c b/sysdeps/unix/sysv/linux/futimens.c
new file mode 100644
index 0000000000..67f2588f86
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/futimens.c
@@ -0,0 +1,45 @@
+/* Change access and modification times of open file.  Linux version.
+   Copyright (C) 2007 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 <string.h>
+#include <time.h>
+#include <sysdep.h>
+
+
+/* Change the access time of the file associated with FD to TSP[0] and
+   the modification time of FILE to TSP[1].
+
+   Starting with 2.6.22 the Linux kernel has the utimensat syscall which
+   can be used to implement futimens.  */
+int
+futimens (int fd, const struct timespec tsp[2])
+{
+#ifdef __NR_utimensat
+  return INLINE_SYSCALL (utimensat, 4, fd, NULL, tsp, 0);
+#else
+  __set_errno (ENOSYS);
+  return -1;
+#endif
+}
+#ifndef __NR_utimensat
+stub_warning (futimens)
+# include <stub-tag.h>
+#endif