tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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_DIRECTORY 0100000 /* must be a directory */
21#define O_NOFOLLOW 0200000 /* don't follow links */
22#define O_LARGEFILE 0400000 /* will be set by the kernel on every open */
23#define O_DIRECT 02000000 /* direct disk access - should check with OSF/1 */
24#define O_NOATIME 04000000
25
26#define F_DUPFD 0 /* dup */
27#define F_GETFD 1 /* get close_on_exec */
28#define F_SETFD 2 /* set/clear close_on_exec */
29#define F_GETFL 3 /* get file->f_flags */
30#define F_SETFL 4 /* set file->f_flags */
31#define F_GETLK 7
32#define F_SETLK 8
33#define F_SETLKW 9
34
35#define F_SETOWN 5 /* for sockets. */
36#define F_GETOWN 6 /* for sockets. */
37#define F_SETSIG 10 /* for sockets. */
38#define F_GETSIG 11 /* for sockets. */
39
40/* for F_[GET|SET]FL */
41#define FD_CLOEXEC 1 /* actually anything with low bit set goes */
42
43/* for posix fcntl() and lockf() */
44#define F_RDLCK 1
45#define F_WRLCK 2
46#define F_UNLCK 8
47
48/* for old implementation of bsd flock () */
49#define F_EXLCK 16 /* or 3 */
50#define F_SHLCK 32 /* or 4 */
51
52#define F_INPROGRESS 64
53
54/* operations for bsd flock(), also used by the kernel implementation */
55#define LOCK_SH 1 /* shared lock */
56#define LOCK_EX 2 /* exclusive lock */
57#define LOCK_NB 4 /* or'd with one of the above to prevent
58 blocking */
59#define LOCK_UN 8 /* remove lock */
60#define LOCK_MAND 32 /* This is a mandatory flock */
61#define LOCK_READ 64 /* ... Which allows concurrent read operations */
62#define LOCK_WRITE 128 /* ... Which allows concurrent write operations */
63#define LOCK_RW 192 /* ... Which allows concurrent read & write ops */
64
65struct flock {
66 short l_type;
67 short l_whence;
68 __kernel_off_t l_start;
69 __kernel_off_t l_len;
70 __kernel_pid_t l_pid;
71};
72
73#define F_LINUX_SPECIFIC_BASE 1024
74
75#endif