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sysdeps/unix/sysv/linux/alpha/fcntlbits.h
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sysdeps/unix/sysv/linux/alpha/fcntlbits.h
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/* O_*, F_*, FD_* bit values for Linux.
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Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef _FCNTLBITS_H
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#define _FCNTLBITS_H 1
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#include <sys/types.h>
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/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
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located on an ext2 file system */
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#define O_ACCMODE 0003
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#define O_RDONLY 00
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#define O_WRONLY 01
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#define O_RDWR 02
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#define O_CREAT 01000 /* not fcntl */
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#define O_TRUNC 02000 /* not fcntl */
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#define O_EXCL 04000 /* not fcntl */
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#define O_NOCTTY 010000 /* not fcntl */
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#define O_NONBLOCK 00004
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#define O_APPEND 00010
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#define O_NDELAY O_NONBLOCK
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#define O_SYNC 040000
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#define FASYNC 020000 /* fcntl, for BSD compatibility */
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#define F_DUPFD 0 /* dup */
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#define F_GETFD 1 /* get f_flags */
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#define F_SETFD 2 /* set f_flags */
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#define F_GETFL 3 /* more flags (cloexec) */
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#define F_SETFL 4
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#define F_GETLK 7
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#define F_SETLK 8
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#define F_SETLKW 9
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#define F_SETOWN 5 /* for sockets. */
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#define F_GETOWN 6 /* for sockets. */
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/* for F_[GET|SET]FL */
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#define FD_CLOEXEC 1 /* actually anything with low bit set goes */
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/* for posix fcntl() and lockf() */
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#define F_RDLCK 1
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#define F_WRLCK 2
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#define F_UNLCK 8
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/* for old implementation of bsd flock () */
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#define F_EXLCK 16 /* or 3 */
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#define F_SHLCK 32 /* or 4 */
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/* operations for bsd flock(), also used by the kernel implementation */
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#define LOCK_SH 1 /* shared lock */
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#define LOCK_EX 2 /* exclusive lock */
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#define LOCK_NB 4 /* or'd with one of the above to prevent
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blocking */
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#define LOCK_UN 8 /* remove lock */
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struct flock
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{
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short int l_type;
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short int l_whence;
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__off_t l_start;
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__off_t l_len;
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__pid_t l_pid;
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};
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/* Define some more compatibility macros to be backward compatible with
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BSD systems which did not managed to hide these kernel macros. */
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#ifdef __USE_BSD
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#define FAPPEND O_APPEND
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#define FFSYNC O_FSYNC
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#define FNONBLOCK O_NONBLOCK
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#define FNDELAY O_NDELAY
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#endif /* Use BSD. */
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#endif /* fcntlbits.h */
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#include <sys/ustat.h>
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#include <sys/sysmacros.h>
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extern int __syscall_ustat (unsigned int dev, struct ustat *ubuf);
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int
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ustat (dev_t dev, struct ustat *ubuf)
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{
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