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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef _X86_64_FCNTL_H
2#define _X86_64_FCNTL_H
3
4/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
5 located on an ext2 file system */
6#define O_ACCMODE 0003
7#define O_RDONLY 00
8#define O_WRONLY 01
9#define O_RDWR 02
10#define O_CREAT 0100 /* not fcntl */
11#define O_EXCL 0200 /* not fcntl */
12#define O_NOCTTY 0400 /* not fcntl */
13#define O_TRUNC 01000 /* not fcntl */
14#define O_APPEND 02000
15#define O_NONBLOCK 04000
16#define O_NDELAY O_NONBLOCK
17#define O_SYNC 010000
18#define FASYNC 020000 /* fcntl, for BSD compatibility */
19#define O_DIRECT 040000 /* direct disk access hint */
20#define O_LARGEFILE 0100000
21#define O_DIRECTORY 0200000 /* must be a directory */
22#define O_NOFOLLOW 0400000 /* don't follow links */
23#define O_NOATIME 01000000
24
25#define F_DUPFD 0 /* dup */
26#define F_GETFD 1 /* get close_on_exec */
27#define F_SETFD 2 /* set/clear close_on_exec */
28#define F_GETFL 3 /* get file->f_flags */
29#define F_SETFL 4 /* set file->f_flags */
30#define F_GETLK 5
31#define F_SETLK 6
32#define F_SETLKW 7
33
34#define F_SETOWN 8 /* for sockets. */
35#define F_GETOWN 9 /* for sockets. */
36#define F_SETSIG 10 /* for sockets. */
37#define F_GETSIG 11 /* for sockets. */
38
39/* for F_[GET|SET]FL */
40#define FD_CLOEXEC 1 /* actually anything with low bit set goes */
41
42/* for posix fcntl() and lockf() */
43#define F_RDLCK 0
44#define F_WRLCK 1
45#define F_UNLCK 2
46
47/* for old implementation of bsd flock () */
48#define F_EXLCK 4 /* or 3 */
49#define F_SHLCK 8 /* or 4 */
50
51/* for leases */
52#define F_INPROGRESS 16
53
54/* operations for bsd flock(), also used by the kernel implementation */
55#define LOCK_SH 1 /* shared lock */
56#define LOCK_EX 2 /* exclusive lock */
57#define LOCK_NB 4 /* or'd with one of the above to prevent
58 blocking */
59#define LOCK_UN 8 /* remove lock */
60
61#define LOCK_MAND 32 /* This is a mandatory flock */
62#define LOCK_READ 64 /* ... Which allows concurrent read operations */
63#define LOCK_WRITE 128 /* ... Which allows concurrent write operations */
64#define LOCK_RW 192 /* ... Which allows concurrent read & write ops */
65
66struct flock {
67 short l_type;
68 short l_whence;
69 off_t l_start;
70 off_t l_len;
71 pid_t l_pid;
72};
73
74#define F_LINUX_SPECIFIC_BASE 1024
75
76#endif /* !_X86_64_FCNTL_H */