1 /* $Id: fcntl.h,v 1.5 1995/11/25 02:31:43 davem Exp $ */
2 #ifndef _SPARC_FCNTL_H
3 #define _SPARC_FCNTL_H
4
5 /* open/fcntl - O_SYNC is only implemented on blocks devices and on files
6 located on an ext2 file system */
7 #define O_RDONLY 0x0000
8 #define O_WRONLY 0x0001
9 #define O_RDWR 0x0002
10 #define O_ACCMODE 0x0003
11 #define O_NDELAY 0x0004
12 #define O_APPEND 0x0008
13 #define FASYNC 0x0040 /* fcntl, for BSD compatibility */
14 #define O_CREAT 0x0200 /* not fcntl */
15 #define O_EXCL 0x0800 /* not fcntl */
16 #define O_NOCTTY 0x8000 /* not fcntl */
17 #define O_TRUNC 0x0400 /* not fcntl */
18 #define O_SYNC 0x2000
19 #define O_NONBLOCK 0x4000
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_GETOWN 5 /* for sockets. */
27 #define F_SETOWN 6 /* for sockets. */
28 #define F_GETLK 7
29 #define F_SETLK 8
30 #define F_SETLKW 9
31
32 /* for F_[GET|SET]FL */
33 #define FD_CLOEXEC 1 /* actually anything with low bit set goes */
34
35 /* for posix fcntl() and lockf() */
36 #define F_RDLCK 1
37 #define F_WRLCK 2
38 #define F_UNLCK 3
39
40 /* for old implementation of bsd flock () */
41 #define F_EXLCK 4 /* or 3 */
42 #define F_SHLCK 8 /* or 4 */
43
44 /* operations for bsd flock(), also used by the kernel implementation */
45 #define LOCK_SH 1 /* shared lock */
46 #define LOCK_EX 2 /* exclusive lock */
47 #define LOCK_NB 4 /* or'd with one of the above to prevent
48 blocking */
49 #define LOCK_UN 8 /* remove lock */
50
51 #ifdef __KERNEL__
52 #define F_POSIX 1
53 #define F_FLOCK 2
54 #endif /* __KERNEL__ */
55
56 struct flock {
57 short l_type;
58 short l_whence;
59 off_t l_start;
60 off_t l_len;
61 pid_t l_pid;
62 short __unused;
63 };
64
65 #endif