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Linux kernel mirror (for testing)
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kernel
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linux
1/*
2 * include/asm-xtensa/fcntl.h
3 *
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
6 * for more details.
7 *
8 * Copyright (C) 1995, 1996, 1997, 1998 by Ralf Baechle
9 * Copyright (C) 2001 - 2005 Tensilica Inc.
10 */
11
12#ifndef _XTENSA_FCNTL_H
13#define _XTENSA_FCNTL_H
14
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 0003
18#define O_RDONLY 00
19#define O_WRONLY 01
20#define O_RDWR 02
21#define O_CREAT 0100 /* not fcntl */
22#define O_EXCL 0200 /* not fcntl */
23#define O_NOCTTY 0400 /* not fcntl */
24#define O_TRUNC 01000 /* not fcntl */
25#define O_APPEND 02000
26#define O_NONBLOCK 04000
27#define O_NDELAY O_NONBLOCK
28#define O_SYNC 010000
29#define FASYNC 020000 /* fcntl, for BSD compatibility */
30#define O_DIRECT 040000 /* direct disk access hint */
31#define O_LARGEFILE 0100000
32#define O_DIRECTORY 0200000 /* must be a directory */
33#define O_NOFOLLOW 0400000 /* don't follow links */
34#define O_NOATIME 01000000
35
36#define F_DUPFD 0 /* dup */
37#define F_GETFD 1 /* get close_on_exec */
38#define F_SETFD 2 /* set/clear close_on_exec */
39#define F_GETFL 3 /* get file->f_flags */
40#define F_SETFL 4 /* set file->f_flags */
41#define F_GETLK 5
42#define F_SETLK 6
43#define F_SETLKW 7
44
45#define F_SETOWN 8 /* for sockets. */
46#define F_GETOWN 9 /* for sockets. */
47#define F_SETSIG 10 /* for sockets. */
48#define F_GETSIG 11 /* for sockets. */
49
50#define F_GETLK64 12 /* using 'struct flock64' */
51#define F_SETLK64 13
52#define F_SETLKW64 14
53
54/* for F_[GET|SET]FL */
55#define FD_CLOEXEC 1 /* actually anything with low bit set goes */
56
57/* for posix fcntl() and lockf() */
58#define F_RDLCK 0
59#define F_WRLCK 1
60#define F_UNLCK 2
61
62/* for old implementation of bsd flock () */
63#define F_EXLCK 4 /* or 3 */
64#define F_SHLCK 8 /* or 4 */
65
66/* for leases */
67#define F_INPROGRESS 16
68
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
73 blocking */
74#define LOCK_UN 8 /* remove lock */
75
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 */
80
81struct flock {
82 short l_type;
83 short l_whence;
84 off_t l_start;
85 off_t l_len;
86 pid_t l_pid;
87};
88
89struct flock64 {
90 short l_type;
91 short l_whence;
92 loff_t l_start;
93 loff_t l_len;
94 pid_t l_pid;
95};
96
97#define F_LINUX_SPECIFIC_BASE 1024
98
99#endif /* _XTENSA_FCNTL_H */