tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#ifndef _CRIS_FCNTL_H
2#define _CRIS_FCNTL_H
3
4/* verbatim copy of i386 version */
5
6/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
7 located on an ext2 file system */
8#define O_ACCMODE 0003
9#define O_RDONLY 00
10#define O_WRONLY 01
11#define O_RDWR 02
12#define O_CREAT 0100 /* not fcntl */
13#define O_EXCL 0200 /* not fcntl */
14#define O_NOCTTY 0400 /* not fcntl */
15#define O_TRUNC 01000 /* not fcntl */
16#define O_APPEND 02000
17#define O_NONBLOCK 04000
18#define O_NDELAY O_NONBLOCK
19#define O_SYNC 010000
20#define FASYNC 020000 /* fcntl, for BSD compatibility */
21#define O_DIRECT 040000 /* direct disk access hint - currently ignored */
22#define O_LARGEFILE 0100000
23#define O_DIRECTORY 0200000 /* must be a directory */
24#define O_NOFOLLOW 0400000 /* don't follow links */
25#define O_NOATIME 01000000
26
27#define F_DUPFD 0 /* dup */
28#define F_GETFD 1 /* get f_flags */
29#define F_SETFD 2 /* set f_flags */
30#define F_GETFL 3 /* more flags (cloexec) */
31#define F_SETFL 4
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
72struct flock {
73 short l_type;
74 short l_whence;
75 off_t l_start;
76 off_t l_len;
77 pid_t l_pid;
78};
79
80struct flock64 {
81 short l_type;
82 short l_whence;
83 loff_t l_start;
84 loff_t l_len;
85 pid_t l_pid;
86};
87
88#define F_LINUX_SPECIFIC_BASE 1024
89
90#endif