85 lines
3.2 KiB
C
85 lines
3.2 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
|
||
|
|
/*
|
||
|
|
* Inode based directory notification for Linux
|
||
|
|
*
|
||
|
|
* Copyright (C) 2005 John McCutchan
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _UAPI_LINUX_INOTIFY_H
|
||
|
|
#define _UAPI_LINUX_INOTIFY_H
|
||
|
|
|
||
|
|
/* For O_CLOEXEC and O_NONBLOCK */
|
||
|
|
#include <linux/fcntl.h>
|
||
|
|
#include <linux/types.h>
|
||
|
|
|
||
|
|
/*
|
||
|
|
* struct inotify_event - structure read from the inotify device for each event
|
||
|
|
*
|
||
|
|
* When you are watching a directory, you will receive the filename for events
|
||
|
|
* such as IN_CREATE, IN_DELETE, IN_OPEN, IN_CLOSE, ..., relative to the wd.
|
||
|
|
*/
|
||
|
|
struct inotify_event {
|
||
|
|
__s32 wd; /* watch descriptor */
|
||
|
|
__u32 mask; /* watch mask */
|
||
|
|
__u32 cookie; /* cookie to synchronize two events */
|
||
|
|
__u32 len; /* length (including nulls) of name */
|
||
|
|
char name[0]; /* stub for possible name */
|
||
|
|
};
|
||
|
|
|
||
|
|
/* the following are legal, implemented events that user-space can watch for */
|
||
|
|
#define IN_ACCESS 0x00000001 /* File was accessed */
|
||
|
|
#define IN_MODIFY 0x00000002 /* File was modified */
|
||
|
|
#define IN_ATTRIB 0x00000004 /* Metadata changed */
|
||
|
|
#define IN_CLOSE_WRITE 0x00000008 /* Writtable file was closed */
|
||
|
|
#define IN_CLOSE_NOWRITE 0x00000010 /* Unwrittable file closed */
|
||
|
|
#define IN_OPEN 0x00000020 /* File was opened */
|
||
|
|
#define IN_MOVED_FROM 0x00000040 /* File was moved from X */
|
||
|
|
#define IN_MOVED_TO 0x00000080 /* File was moved to Y */
|
||
|
|
#define IN_CREATE 0x00000100 /* Subfile was created */
|
||
|
|
#define IN_DELETE 0x00000200 /* Subfile was deleted */
|
||
|
|
#define IN_DELETE_SELF 0x00000400 /* Self was deleted */
|
||
|
|
#define IN_MOVE_SELF 0x00000800 /* Self was moved */
|
||
|
|
|
||
|
|
/* the following are legal events. they are sent as needed to any watch */
|
||
|
|
#define IN_UNMOUNT 0x00002000 /* Backing fs was unmounted */
|
||
|
|
#define IN_Q_OVERFLOW 0x00004000 /* Event queued overflowed */
|
||
|
|
#define IN_IGNORED 0x00008000 /* File was ignored */
|
||
|
|
|
||
|
|
/* helper events */
|
||
|
|
#define IN_CLOSE (IN_CLOSE_WRITE | IN_CLOSE_NOWRITE) /* close */
|
||
|
|
#define IN_MOVE (IN_MOVED_FROM | IN_MOVED_TO) /* moves */
|
||
|
|
|
||
|
|
/* special flags */
|
||
|
|
#define IN_ONLYDIR 0x01000000 /* only watch the path if it is a directory */
|
||
|
|
#define IN_DONT_FOLLOW 0x02000000 /* don't follow a sym link */
|
||
|
|
#define IN_EXCL_UNLINK 0x04000000 /* exclude events on unlinked objects */
|
||
|
|
#define IN_MASK_CREATE 0x10000000 /* only create watches */
|
||
|
|
#define IN_MASK_ADD 0x20000000 /* add to the mask of an already existing watch */
|
||
|
|
#define IN_ISDIR 0x40000000 /* event occurred against dir */
|
||
|
|
#define IN_ONESHOT 0x80000000 /* only send event once */
|
||
|
|
|
||
|
|
/*
|
||
|
|
* All of the events - we build the list by hand so that we can add flags in
|
||
|
|
* the future and not break backward compatibility. Apps will get only the
|
||
|
|
* events that they originally wanted. Be sure to add new events here!
|
||
|
|
*/
|
||
|
|
#define IN_ALL_EVENTS (IN_ACCESS | IN_MODIFY | IN_ATTRIB | IN_CLOSE_WRITE | \
|
||
|
|
IN_CLOSE_NOWRITE | IN_OPEN | IN_MOVED_FROM | \
|
||
|
|
IN_MOVED_TO | IN_DELETE | IN_CREATE | IN_DELETE_SELF | \
|
||
|
|
IN_MOVE_SELF)
|
||
|
|
|
||
|
|
/* Flags for sys_inotify_init1. */
|
||
|
|
#define IN_CLOEXEC O_CLOEXEC
|
||
|
|
#define IN_NONBLOCK O_NONBLOCK
|
||
|
|
|
||
|
|
/*
|
||
|
|
* ioctl numbers: inotify uses 'I' prefix for all ioctls,
|
||
|
|
* except historical FIONREAD, which is based on 'T'.
|
||
|
|
*
|
||
|
|
* INOTIFY_IOC_SETNEXTWD: set desired number of next created
|
||
|
|
* watch descriptor.
|
||
|
|
*/
|
||
|
|
#define INOTIFY_IOC_SETNEXTWD _IOW('I', 0, __s32)
|
||
|
|
|
||
|
|
#endif /* _UAPI_LINUX_INOTIFY_H */
|