2 * include/asm-xtensa/fcntl.h
4 * This file is subject to the terms and conditions of the GNU General Public
5 * License. See the file "COPYING" in the main directory of this archive
8 * Copyright (C) 1995, 1996, 1997, 1998 by Ralf Baechle
9 * Copyright (C) 2001 - 2005 Tensilica Inc.
12 #ifndef _XTENSA_FCNTL_H
13 #define _XTENSA_FCNTL_H
15 /* open/fcntl - O_SYNC is only implemented on blocks devices and on files
16 located on an ext2 file system */
17 #define O_ACCMODE 0x0003
18 #define O_RDONLY 0x0000
19 #define O_WRONLY 0x0001
21 #define O_APPEND 0x0008
23 #define O_NONBLOCK 0x0080
24 #define O_CREAT 0x0100 /* not fcntl */
25 #define O_TRUNC 0x0200 /* not fcntl */
26 #define O_EXCL 0x0400 /* not fcntl */
27 #define O_NOCTTY 0x0800 /* not fcntl */
28 #define FASYNC 0x1000 /* fcntl, for BSD compatibility */
29 #define O_LARGEFILE 0x2000 /* allow large file opens - currently ignored */
30 #define O_DIRECT 0x8000 /* direct disk access hint - currently ignored*/
31 #define O_DIRECTORY 0x10000 /* must be a directory */
32 #define O_NOFOLLOW 0x20000 /* don't follow links */
33 #define O_NOATIME 0x100000
35 #define O_NDELAY O_NONBLOCK
37 #define F_DUPFD 0 /* dup */
38 #define F_GETFD 1 /* get close_on_exec */
39 #define F_SETFD 2 /* set/clear close_on_exec */
40 #define F_GETFL 3 /* get file->f_flags */
41 #define F_SETFL 4 /* set file->f_flags */
49 #define F_SETOWN 24 /* for sockets. */
50 #define F_GETOWN 23 /* for sockets. */
51 #define F_SETSIG 10 /* for sockets. */
52 #define F_GETSIG 11 /* for sockets. */
54 /* for F_[GET|SET]FL */
55 #define FD_CLOEXEC 1 /* actually anything with low bit set goes */
57 /* for posix fcntl() and lockf() */
62 /* for old implementation of bsd flock () */
63 #define F_EXLCK 4 /* or 3 */
64 #define F_SHLCK 8 /* or 4 */
67 #define F_INPROGRESS 16
69 /* operations for bsd flock(), also used by the kernel implementation */
70 #define LOCK_SH 1 /* shared lock */
71 #define LOCK_EX 2 /* exclusive lock */
72 #define LOCK_NB 4 /* or'd with one of the above to prevent
74 #define LOCK_UN 8 /* remove lock */
76 #define LOCK_MAND 32 /* This is a mandatory flock ... */
77 #define LOCK_READ 64 /* which allows concurrent read operations */
78 #define LOCK_WRITE 128 /* which allows concurrent write operations */
79 #define LOCK_RW 192 /* which allows concurrent read & write ops */
81 typedef struct flock {
84 __kernel_off_t l_start;
94 __kernel_off_t l_start;
99 #define F_LINUX_SPECIFIC_BASE 1024
101 #endif /* _XTENSA_FCNTL_H */