File: /usr/src/linux/include/asm-ppc/fcntl.h
1 /*
2 * BK Id: SCCS/s.fcntl.h 1.5 05/17/01 18:14:24 cort
3 */
4 #ifndef _PPC_FCNTL_H
5 #define _PPC_FCNTL_H
6
7 /* open/fcntl - O_SYNC is only implemented on blocks devices and on files
8 located on an ext2 file system */
9 #define O_ACCMODE 0003
10 #define O_RDONLY 00
11 #define O_WRONLY 01
12 #define O_RDWR 02
13 #define O_CREAT 0100 /* not fcntl */
14 #define O_EXCL 0200 /* not fcntl */
15 #define O_NOCTTY 0400 /* not fcntl */
16 #define O_TRUNC 01000 /* not fcntl */
17 #define O_APPEND 02000
18 #define O_NONBLOCK 04000
19 #define O_NDELAY O_NONBLOCK
20 #define O_SYNC 010000
21 #define FASYNC 020000 /* fcntl, for BSD compatibility */
22 #define O_DIRECTORY 040000 /* must be a directory */
23 #define O_NOFOLLOW 0100000 /* don't follow links */
24 #define O_LARGEFILE 0200000
25 #define O_DIRECT 0400000 /* direct disk access hint - currently ignored */
26
27 #define F_DUPFD 0 /* dup */
28 #define F_GETFD 1 /* get close_on_exec */
29 #define F_SETFD 2 /* set/clear close_on_exec */
30 #define F_GETFL 3 /* get file->f_flags */
31 #define F_SETFL 4 /* set file->f_flags */
32 #define F_GETLK 5
33 #define F_SETLK 6
34 #define F_SETLKW 7
35
36 #define F_SETOWN 8 /* for sockets. */
37 #define F_GETOWN 9 /* for sockets. */
38 #define F_SETSIG 10 /* for sockets. */
39 #define F_GETSIG 11 /* for sockets. */
40
41 #define F_GETLK64 12 /* using 'struct flock64' */
42 #define F_SETLK64 13
43 #define F_SETLKW64 14
44
45 /* for F_[GET|SET]FL */
46 #define FD_CLOEXEC 1 /* actually anything with low bit set goes */
47
48 /* for posix fcntl() and lockf() */
49 #define F_RDLCK 0
50 #define F_WRLCK 1
51 #define F_UNLCK 2
52
53 /* for old implementation of bsd flock () */
54 #define F_EXLCK 4 /* or 3 */
55 #define F_SHLCK 8 /* or 4 */
56
57 /* for leases */
58 #define F_INPROGRESS 16
59
60 /* operations for bsd flock(), also used by the kernel implementation */
61 #define LOCK_SH 1 /* shared lock */
62 #define LOCK_EX 2 /* exclusive lock */
63 #define LOCK_NB 4 /* or'd with one of the above to prevent
64 blocking */
65 #define LOCK_UN 8 /* remove lock */
66
67 #define LOCK_MAND 32 /* This is a mandatory flock */
68 #define LOCK_READ 64 /* ... Which allows concurrent read operations */
69 #define LOCK_WRITE 128 /* ... Which allows concurrent write operations */
70 #define LOCK_RW 192 /* ... Which allows concurrent read & write ops */
71
72 #ifdef __KERNEL__
73 #define F_POSIX 1
74 #define F_FLOCK 2
75 #define F_BROKEN 4 /* broken flock() emulation */
76 #endif /* __KERNEL__ */
77
78 struct flock {
79 short l_type;
80 short l_whence;
81 off_t l_start;
82 off_t l_len;
83 pid_t l_pid;
84 };
85
86 struct flock64 {
87 short l_type;
88 short l_whence;
89 loff_t l_start;
90 loff_t l_len;
91 pid_t l_pid;
92 };
93
94 #define F_LINUX_SPECIFIC_BASE 1024
95 #endif
96