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Stephen Rothwell93172592005-09-06 15:17:57 -07001#ifndef _ASM_GENERIC_FCNTL_H
2#define _ASM_GENERIC_FCNTL_H
3
Stephen Rothwelle64ca972005-09-06 15:17:58 -07004/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
5 located on an ext2 file system */
6#define O_ACCMODE 00000003
7#define O_RDONLY 00000000
8#define O_WRONLY 00000001
9#define O_RDWR 00000002
10#ifndef O_CREAT
11#define O_CREAT 00000100 /* not fcntl */
12#endif
13#ifndef O_EXCL
14#define O_EXCL 00000200 /* not fcntl */
15#endif
16#ifndef O_NOCTTY
17#define O_NOCTTY 00000400 /* not fcntl */
18#endif
19#ifndef O_TRUNC
20#define O_TRUNC 00001000 /* not fcntl */
21#endif
22#ifndef O_APPEND
23#define O_APPEND 00002000
24#endif
25#ifndef O_NONBLOCK
26#define O_NONBLOCK 00004000
27#endif
28#ifndef O_SYNC
29#define O_SYNC 00010000
30#endif
31#ifndef FASYNC
32#define FASYNC 00020000 /* fcntl, for BSD compatibility */
33#endif
34#ifndef O_DIRECT
35#define O_DIRECT 00040000 /* direct disk access hint */
36#endif
37#ifndef O_LARGEFILE
38#define O_LARGEFILE 00100000
39#endif
40#ifndef O_DIRECTORY
41#define O_DIRECTORY 00200000 /* must be a directory */
42#endif
43#ifndef O_NOFOLLOW
44#define O_NOFOLLOW 00400000 /* don't follow links */
45#endif
46#ifndef O_NOATIME
47#define O_NOATIME 01000000
48#endif
49#ifndef O_NDELAY
50#define O_NDELAY O_NONBLOCK
51#endif
Stephen Rothwell93172592005-09-06 15:17:57 -070052
53#define F_DUPFD 0 /* dup */
54#define F_GETFD 1 /* get close_on_exec */
55#define F_SETFD 2 /* set/clear close_on_exec */
56#define F_GETFL 3 /* get file->f_flags */
57#define F_SETFL 4 /* set file->f_flags */
58
59/* for F_[GET|SET]FL */
60#define FD_CLOEXEC 1 /* actually anything with low bit set goes */
61
62/* operations for bsd flock(), also used by the kernel implementation */
63#define LOCK_SH 1 /* shared lock */
64#define LOCK_EX 2 /* exclusive lock */
65#define LOCK_NB 4 /* or'd with one of the above to prevent
66 blocking */
67#define LOCK_UN 8 /* remove lock */
68
69#define LOCK_MAND 32 /* This is a mandatory flock ... */
70#define LOCK_READ 64 /* which allows concurrent read operations */
71#define LOCK_WRITE 128 /* which allows concurrent write operations */
72#define LOCK_RW 192 /* which allows concurrent read & write ops */
73
74#define F_LINUX_SPECIFIC_BASE 1024
75
76#endif /* _ASM_GENERIC_FCNTL_H */