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
21 #define F_DUPFD 0 /* dup */
22 #define F_GETFD 1 /* get f_flags */
23 #define F_SETFD 2 /* set f_flags */
24 #define F_GETFL 3 /* more flags (cloexec) */
25 #define F_SETFL 4
26 #define F_GETLK 7
27 #define F_SETLK 8
28 #define F_SETLKW 9
29
30 #define F_SETOWN 5 /* for sockets. */
31 #define F_GETOWN 6 /* for sockets. */
32
33 /* for F_[GET|SET]FL */
34 #define FD_CLOEXEC 1 /* actually anything with low bit set goes */
35
36 /* for posix fcntl() and lockf() */
37 #define F_RDLCK 1
38 #define F_WRLCK 2
39 #define F_UNLCK 8
40
41 /* for old implementation of bsd flock () */
42 #define F_EXLCK 16 /* or 3 */
43 #define F_SHLCK 32 /* or 4 */
44
45 /* operations for bsd flock(), also used by the kernel implementation */
46 #define LOCK_SH 1 /* shared lock */
47 #define LOCK_EX 2 /* exclusive lock */
48 #define LOCK_NB 4 /* or'd with one of the above to prevent
49 blocking */
50 #define LOCK_UN 8 /* remove lock */
51
52 #ifdef __KERNEL__
53 #define F_POSIX 1
54 #define F_FLOCK 2
55 #endif /* __KERNEL__ */
56
57 struct flock {
58 short l_type;
59 short l_whence;
60 off_t l_start;
61 off_t l_len;
62 pid_t l_pid;
63 };
64
65 #endif