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 * Set/Get seals
32 */
33#define F_ADD_SEALS	(F_LINUX_SPECIFIC_BASE + 9)
34#define F_GET_SEALS	(F_LINUX_SPECIFIC_BASE + 10)
35
36/*
37 * Types of seals
38 */
39#define F_SEAL_SEAL	0x0001	/* prevent further seals from being set */
40#define F_SEAL_SHRINK	0x0002	/* prevent file from shrinking */
41#define F_SEAL_GROW	0x0004	/* prevent file from growing */
42#define F_SEAL_WRITE	0x0008	/* prevent writes */
43/* (1U << 31) is reserved for signed error codes */
44
45/*
46 * Types of directory notifications that may be requested.
47 */
48#define DN_ACCESS	0x00000001	/* File accessed */
49#define DN_MODIFY	0x00000002	/* File modified */
50#define DN_CREATE	0x00000004	/* File created */
51#define DN_DELETE	0x00000008	/* File removed */
52#define DN_RENAME	0x00000010	/* File renamed */
53#define DN_ATTRIB	0x00000020	/* File changed attibutes */
54#define DN_MULTISHOT	0x80000000	/* Don't remove notifier */
55
56#define AT_FDCWD		-100    /* Special value used to indicate
57                                           openat should use the current
58                                           working directory. */
59#define AT_SYMLINK_NOFOLLOW	0x100   /* Do not follow symbolic links.  */
60#define AT_REMOVEDIR		0x200   /* Remove directory instead of
61                                           unlinking file.  */
62#define AT_SYMLINK_FOLLOW	0x400   /* Follow symbolic links.  */
63#define AT_NO_AUTOMOUNT		0x800	/* Suppress terminal automount traversal */
64#define AT_EMPTY_PATH		0x1000	/* Allow empty relative pathname */
65
66
67#endif /* _UAPI_LINUX_FCNTL_H */
68