1 #ifndef _ARM_FCNTL_H
2 #define _ARM_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_DIRECTORY 040000 /* must be a directory */
20 #define O_NOFOLLOW 0100000 /* don't follow links */
21 #define O_DIRECT 0200000 /* direct disk access hint - currently ignored */
22 #define O_LARGEFILE 0400000
23
24 #define F_DUPFD 0 /* dup */
25 #define F_GETFD 1 /* get close_on_exec */
26 #define F_SETFD 2 /* set/clear close_on_exec */
27 #define F_GETFL 3 /* get file->f_flags */
28 #define F_SETFL 4 /* set file->f_flags */
29 #define F_GETLK 5
30 #define F_SETLK 6
31 #define F_SETLKW 7
32
33 #define F_SETOWN 8 /* for sockets. */
34 #define F_GETOWN 9 /* for sockets. */
35 #define F_SETSIG 10 /* for sockets. */
36 #define F_GETSIG 11 /* for sockets. */
37
38 #define F_GETLK64 12 /* using 'struct flock64' */
39 #define F_SETLK64 13
40 #define F_SETLKW64 14
41
42 /* for F_[GET|SET]FL */
43 #define FD_CLOEXEC 1 /* actually anything with low bit set goes */
44
45 /* for posix fcntl() and lockf() */
46 #define F_RDLCK 0
47 #define F_WRLCK 1
48 #define F_UNLCK 2
49
50 /* for old implementation of bsd flock () */
51 #define F_EXLCK 4 /* or 3 */
52 #define F_SHLCK 8 /* or 4 */
53
54 /* for leases */
55 #define F_INPROGRESS 16
56
57 /* operations for bsd flock(), also used by the kernel implementation */
58 #define LOCK_SH 1 /* shared lock */
59 #define LOCK_EX 2 /* exclusive lock */
60 #define LOCK_NB 4 /* or'd with one of the above to prevent
61 blocking */
62 #define LOCK_UN 8 /* remove lock */
63
64 #define LOCK_MAND 32 /* This is a mandatory flock */
65 #define LOCK_READ 64 /* ... Which allows concurrent read operations */
66 #define LOCK_WRITE 128 /* ... Which allows concurrent write operations */
67 #define LOCK_RW 192 /* ... Which allows concurrent read & write ops */
68
69 struct flock {
70 short l_type;
71 short l_whence;
72 off_t l_start;
73 off_t l_len;
74 pid_t l_pid;
75 };
76
77 struct flock64 {
78 short l_type;
79 short l_whence;
80 loff_t l_start;
81 loff_t l_len;
82 pid_t l_pid;
83 };
84
85 #define F_LINUX_SPECIFIC_BASE 1024
86 #endif
87
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