-/* O_*, F_*, FD_* bit values for Linux.
- Copyright (C) 1995-1998, 2000 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
+/* bits/fcntl.h is architecture specific. */
+#error "This file must be supplied by every Linux architecture."
- 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>
-
-/* 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
-
-#ifdef __USE_GNU
-# define O_DIRECTORY 040000 /* Must be a directory. */
-# define O_NOFOLLOW 0100000 /* Do not follow links. */
-#endif
-
-/* XXX missing */
-#ifdef __USE_LARGEFILE64
-# define O_LARGEFILE 0
-#endif
-
-/* For now Linux has synchronisity options for data and read operations.
- We define the symbols here but let them do the same as O_SYNC since
- this is a superset. */
-#if defined __USE_POSIX199309 || defined __USE_UNIX98
-# define O_DSYNC O_SYNC /* Synchronize data. */
-# define O_RSYNC O_SYNC /* Synchronize read operations. */
-#endif
-
-/* Values for the second argument to `fcntl'. */
-#define F_DUPFD 0 /* Duplicate file descriptor. */
-#define F_GETFD 1 /* Get file descriptor flags. */
-#define F_SETFD 2 /* Set file descriptor flags. */
-#define F_GETFL 3 /* Get file status flags. */
-#define F_SETFL 4 /* Set file status flags. */
-#define F_GETLK 5 /* Get record locking info. */
-#define F_SETLK 6 /* Set record locking info (non-blocking). */
-#define F_SETLKW 7 /* Set record locking info (blocking). */
-
-/* XXX missing */
-#define F_GETLK64 5 /* Get record locking info. */
-#define F_SETLK64 6 /* Set record locking info (non-blocking). */
-#define F_SETLKW64 7 /* Set record locking info (blocking). */
-
-#if defined __USE_BSD || defined __USE_XOPEN2K
-# define F_SETOWN 8 /* Get owner of socket (receiver of SIGIO). */
-# define F_GETOWN 9 /* Set owner of socket (receiver of SIGIO). */
-#endif
-
-#ifdef __USE_GNU
-# define F_SETSIG 10 /* Set number of signal to be sent. */
-# define F_GETSIG 11 /* Get number of signal to be sent. */
-#endif
-
-/* For F_[GET|SET]FL. */
-#define FD_CLOEXEC 1 /* actually anything with low bit set goes */
-
-/* For posix fcntl() and `l_type' field of a `struct flock' for lockf(). */
-#define F_RDLCK 0 /* Read lock. */
-#define F_WRLCK 1 /* Write lock. */
-#define F_UNLCK 2 /* Remove lock. */
-
-/* for old implementation of bsd flock () */
-#define F_EXLCK 4 /* or 3 */
-#define F_SHLCK 8 /* or 4 */
-
-#ifdef __USE_BSD
-/* 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 */
-#endif
-
-struct flock
- {
- short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
- short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
-#ifndef __USE_FILE_OFFSET64
- __off_t l_start; /* Offset where the lock begins. */
- __off_t l_len; /* Size of the locked area; zero means until EOF. */
-#else
- __off64_t l_start; /* Offset where the lock begins. */
- __off64_t l_len; /* Size of the locked area; zero means until EOF. */
-#endif
- __pid_t l_pid; /* Process holding the lock. */
- };
-
-#ifdef __USE_LARGEFILE64
-struct flock64
- {
- short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
- short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
- __off64_t l_start; /* Offset where the lock begins. */
- __off64_t l_len; /* Size of the locked area; zero means until EOF. */
- __pid_t l_pid; /* Process holding the lock. */
- };
-#endif
-
-/* 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. */
-
-/* Advise to `posix_fadvise'. */
-#ifdef __USE_XOPEN2K
-# define POSIX_FADV_NORMAL 0 /* No further special treatment. */
-# define POSIX_FADV_RANDOM 1 /* Expect random page references. */
-# define POSIX_FADV_SEQUENTIAL 2 /* Expect sequential page references. */
-# define POSIX_FADV_WILLNEED 3 /* Will need these pages. */
-# define POSIX_FADV_DONTNEED 4 /* Don't need these pages. */
-# define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */
-#endif
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