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[mirror_ubuntu-bionic-kernel.git] / include / uapi / linux / fcntl.h
1 #ifndef _UAPI_LINUX_FCNTL_H
2 #define _UAPI_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 * Cancel a blocking posix lock; internal use only until we expose an
11 * asynchronous lock api to userspace:
12 */
13 #define F_CANCELLK (F_LINUX_SPECIFIC_BASE + 5)
14
15 /* Create a file descriptor with FD_CLOEXEC set. */
16 #define F_DUPFD_CLOEXEC (F_LINUX_SPECIFIC_BASE + 6)
17
18 /*
19 * Request nofications on a directory.
20 * See below for events that may be notified.
21 */
22 #define F_NOTIFY (F_LINUX_SPECIFIC_BASE+2)
23
24 /*
25 * Set and get of pipe page size array
26 */
27 #define F_SETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 7)
28 #define F_GETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 8)
29
30 /*
31 * Types of directory notifications that may be requested.
32 */
33 #define DN_ACCESS 0x00000001 /* File accessed */
34 #define DN_MODIFY 0x00000002 /* File modified */
35 #define DN_CREATE 0x00000004 /* File created */
36 #define DN_DELETE 0x00000008 /* File removed */
37 #define DN_RENAME 0x00000010 /* File renamed */
38 #define DN_ATTRIB 0x00000020 /* File changed attibutes */
39 #define DN_MULTISHOT 0x80000000 /* Don't remove notifier */
40
41 #define AT_FDCWD -100 /* Special value used to indicate
42 openat should use the current
43 working directory. */
44 #define AT_SYMLINK_NOFOLLOW 0x100 /* Do not follow symbolic links. */
45 #define AT_REMOVEDIR 0x200 /* Remove directory instead of
46 unlinking file. */
47 #define AT_SYMLINK_FOLLOW 0x400 /* Follow symbolic links. */
48 #define AT_NO_AUTOMOUNT 0x800 /* Suppress terminal automount traversal */
49 #define AT_EMPTY_PATH 0x1000 /* Allow empty relative pathname */
50
51
52 #endif /* _UAPI_LINUX_FCNTL_H */