1 #ifndef _ALPHA_FCNTL_H
2 #define _ALPHA_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 01000 /* not fcntl */
11 #define O_TRUNC 02000 /* not fcntl */
12 #define O_EXCL 04000 /* not fcntl */
13 #define O_NOCTTY 010000 /* not fcntl */
14
15 #define O_NONBLOCK 00004
16 #define O_APPEND 00010
17 #define O_NDELAY O_NONBLOCK
18 #define O_SYNC 040000
19 #define FASYNC 020000 /* fcntl, for BSD compatibility */
20 #define O_DIRECT 040000 /* direct disk access - should check with OSF/1 */
21 #define O_DIRECTORY 0100000 /* must be a directory */
22 #define O_NOFOLLOW 0200000 /* don't follow links */
23 #define O_LARGEFILE 0400000 /* will be set by the kernel on every open */
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 7
31 #define F_SETLK 8
32 #define F_SETLKW 9
33
34 #define F_SETOWN 5 /* for sockets. */
35 #define F_GETOWN 6 /* 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 1
44 #define F_WRLCK 2
45 #define F_UNLCK 8
46
47 /* for old implementation of bsd flock () */
48 #define F_EXLCK 16 /* or 3 */
49 #define F_SHLCK 32 /* or 4 */
50
51 #define F_INPROGRESS 64
52
53 /* operations for bsd flock(), also used by the kernel implementation */
54 #define LOCK_SH 1 /* shared lock */
55 #define LOCK_EX 2 /* exclusive lock */
56 #define LOCK_NB 4 /* or'd with one of the above to prevent
57 blocking */
58 #define LOCK_UN 8 /* remove lock */
59 #define LOCK_MAND 32 /* This is a mandatory flock */
60 #define LOCK_READ 64 /* ... Which allows concurrent read operations */
61 #define LOCK_WRITE 128 /* ... Which allows concurrent write operations */
62 #define LOCK_RW 192 /* ... Which allows concurrent read & write ops */
63
64 struct flock {
65 short l_type;
66 short l_whence;
67 __kernel_off_t l_start;
68 __kernel_off_t l_len;
69 __kernel_pid_t l_pid;
70 };
71
72 #ifdef __KERNEL__
73 #define flock64 flock
74 #endif
75 #define F_LINUX_SPECIFIC_BASE 1024
76
77 #endif
78
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