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diff --git a/sysdeps/unix/sysv/linux/bits/fcntl.h b/sysdeps/unix/sysv/linux/bits/fcntl.h
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+/* O_*, F_*, FD_* bit values for Linux.
+ Copyright (C) 1995, 1996, 1997 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 Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _FCNTL_H
+#error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
+#endif
+
+
+#include <sys/types.h>
+
+
+/* In GNU, read and write are bits (unlike BSD). */
+#ifdef __USE_GNU
+#define O_READ O_RDONLY /* Open for reading. */
+#define O_WRITE O_WRONLY /* Open for writing. */
+#endif
+/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
+ located on an ext2 file system */
+#define O_ACCMODE 0003
+#define O_RDONLY 00
+#define O_WRONLY 01
+#define O_RDWR 02
+#define O_CREAT 0100 /* not fcntl */
+#define O_EXCL 0200 /* not fcntl */
+#define O_NOCTTY 0400 /* not fcntl */
+#define O_TRUNC 01000 /* not fcntl */
+#define O_APPEND 02000
+#define O_NONBLOCK 04000
+#define O_NDELAY O_NONBLOCK
+#define O_SYNC 010000
+#define O_FSYNC O_SYNC
+#define O_ASYNC 020000
+
+#define F_DUPFD 0 /* dup */
+#define F_GETFD 1 /* get f_flags */
+#define F_SETFD 2 /* set f_flags */
+#define F_GETFL 3 /* more flags (cloexec) */
+#define F_SETFL 4
+#define F_GETLK 5
+#define F_SETLK 6
+#define F_SETLKW 7
+
+#define F_SETOWN 8 /* for sockets. */
+#define F_GETOWN 9 /* for sockets. */
+
+/* for F_[GET|SET]FL */
+#define FD_CLOEXEC 1 /* actually anything with low bit set goes */
+
+/* for posix fcntl() and lockf() */
+#define F_RDLCK 0
+#define F_WRLCK 1
+#define F_UNLCK 2
+
+/* for old implementation of bsd flock () */
+#define F_EXLCK 4 /* or 3 */
+#define F_SHLCK 8 /* or 4 */
+
+/* operations for bsd flock(), also used by the kernel implementation */
+#define LOCK_SH 1 /* shared lock */
+#define LOCK_EX 2 /* exclusive lock */
+#define LOCK_NB 4 /* or'd with one of the above to prevent
+ blocking */
+#define LOCK_UN 8 /* remove lock */
+
+struct flock
+ {
+ short int l_type;
+ short int l_whence;
+ __off_t l_start;
+ __off_t l_len;
+ __pid_t l_pid;
+ };
+
+
+/* Define some more compatibility macros to be backward compatible with
+ BSD systems which did not managed to hide these kernel macros. */
+#ifdef __USE_BSD
+#define FAPPEND O_APPEND
+#define FFSYNC O_FSYNC
+#define FASYNC O_ASYNC
+#define FNONBLOCK O_NONBLOCK
+#define FNDELAY O_NDELAY
+#endif /* Use BSD. */