File: /usr/src/linux/include/linux/fcntl.h

1     #ifndef _LINUX_FCNTL_H
2     #define _LINUX_FCNTL_H
3     
4     #include <asm/fcntl.h>
5     
6     #define F_SETLEASE	(F_LINUX_SPECIFIC_BASE+0)
7     #define F_GETLEASE	(F_LINUX_SPECIFIC_BASE+1)
8     
9     /*
10      * Request nofications on a directory.
11      * See below for events that may be notified.
12      */
13     #define F_NOTIFY	(F_LINUX_SPECIFIC_BASE+2)
14     
15     /*
16      * Types of directory notifications that may be requested.
17      */
18     #define DN_ACCESS	0x00000001	/* File accessed */
19     #define DN_MODIFY	0x00000002	/* File modified */
20     #define DN_CREATE	0x00000004	/* File created */
21     #define DN_DELETE	0x00000008	/* File removed */
22     #define DN_RENAME	0x00000010	/* File renamed */
23     #define DN_ATTRIB	0x00000020	/* File changed attibutes */
24     #define DN_MULTISHOT	0x80000000	/* Don't remove notifier */
25     
26     #ifdef __KERNEL__
27     
28     #if BITS_PER_LONG == 32
29     #define IS_GETLK32(cmd)		((cmd) == F_GETLK)
30     #define IS_SETLK32(cmd)		((cmd) == F_SETLK)
31     #define IS_SETLKW32(cmd)	((cmd) == F_SETLKW)
32     #define IS_GETLK64(cmd)		((cmd) == F_GETLK64)
33     #define IS_SETLK64(cmd)		((cmd) == F_SETLK64)
34     #define IS_SETLKW64(cmd)	((cmd) == F_SETLKW64)
35     #else
36     #define IS_GETLK32(cmd)		(0)
37     #define IS_SETLK32(cmd)		(0)
38     #define IS_SETLKW32(cmd)	(0)
39     #define IS_GETLK64(cmd)		((cmd) == F_GETLK)
40     #define IS_SETLK64(cmd)		((cmd) == F_SETLK)
41     #define IS_SETLKW64(cmd)	((cmd) == F_SETLKW)
42     #endif /* BITS_PER_LONG == 32 */
43     
44     #define IS_GETLK(cmd)	(IS_GETLK32(cmd)  || IS_GETLK64(cmd))
45     #define IS_SETLK(cmd)	(IS_SETLK32(cmd)  || IS_SETLK64(cmd))
46     #define IS_SETLKW(cmd)	(IS_SETLKW32(cmd) || IS_SETLKW64(cmd))
47     
48     #endif /* __KERNEL__ */
49     
50     #endif
51