xref: /netbsd-src/sys/compat/linux/common/linux_inotify.h (revision 8575c986c481647b7f22dad3ee667f50eaf55df9)
1 /*	$NetBSD: linux_inotify.h,v 1.1 2023/08/19 17:57:54 christos Exp $	*/
2 
3 /*-
4  * Copyright (c) 2023 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Theodore Preduta.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 #ifndef _LINUX_INOTIFY_H
32 #define	_LINUX_INOTIFY_H
33 
34 #include <sys/types.h>
35 /* for LINUX_O_CLOEXEC, LINUX_O_NONBLOCK */
36 #include <compat/linux/common/linux_fcntl.h>
37 
38 #define LINUX_IN_CLOEXEC	LINUX_O_CLOEXEC
39 #define LINUX_IN_NONBLOCK	LINUX_O_NONBLOCK
40 
41 #define LINUX_IN_ALL_FLAGS	(LINUX_IN_CLOEXEC|LINUX_IN_NONBLOCK)
42 
43 #define LINUX_IN_ACCESS		0x00000001
44 #define LINUX_IN_MODIFY		0x00000002
45 #define LINUX_IN_ATTRIB		0x00000004
46 #define LINUX_IN_CLOSE_WRITE	0x00000008
47 #define LINUX_IN_CLOSE_NOWRITE	0x00000010
48 #define LINUX_IN_OPEN		0x00000020
49 #define LINUX_IN_MOVED_FROM	0x00000040
50 #define LINUX_IN_MOVED_TO	0x00000080
51 #define LINUX_IN_CREATE		0x00000100
52 #define LINUX_IN_DELETE		0x00000200
53 #define LINUX_IN_DELETE_SELF	0x00000400
54 #define LINUX_IN_MOVE_SELF	0x00000800
55 #define LINUX_IN_UNMOUNT	0x00002000
56 #define LINUX_IN_Q_OVERFLOW	0x00004000
57 #define LINUX_IN_IGNORED	0x00008000
58 
59 #define LINUX_IN_ONLYDIR	0x01000000
60 #define LINUX_IN_DONT_FOLLOW	0x02000000
61 #define LINUX_IN_EXCL_UNLINK	0x04000000
62 #define LINUX_IN_MASK_CREATE	0x10000000
63 #define LINUX_IN_MASK_ADD	0x20000000
64 #define LINUX_IN_ISDIR		0x40000000
65 #define LINUX_IN_ONESHOT	0x80000000
66 
67 #define LINUX_IN_CLOSE		(LINUX_IN_CLOSE_WRITE|LINUX_IN_CLOSE_NOWRITE)
68 
69 #define LINUX_IN_ADD_KNOWN	(LINUX_IN_ACCESS|LINUX_IN_ATTRIB \
70 				|LINUX_IN_CLOSE_WRITE|LINUX_IN_CLOSE_NOWRITE \
71 				|LINUX_IN_CREATE|LINUX_IN_DELETE \
72 				|LINUX_IN_DELETE_SELF|LINUX_IN_MODIFY \
73 				|LINUX_IN_MOVE_SELF|LINUX_IN_MOVED_FROM \
74 				|LINUX_IN_MOVED_TO|LINUX_IN_OPEN \
75 				|LINUX_IN_DONT_FOLLOW|LINUX_IN_ONLYDIR \
76 				|LINUX_IN_MASK_CREATE|LINUX_IN_MASK_ADD \
77 				|LINUX_IN_ISDIR|LINUX_IN_ONESHOT)
78 
79 struct linux_inotify_event {
80 	int32_t		wd;
81 	uint32_t	mask;
82 	uint32_t	cookie;
83 	uint32_t	len;
84 	char		name[];
85 };
86 
87 #ifdef _KERNEL
88 int linux_inotify_init(void);
89 int linux_inotify_fini(void);
90 #endif
91 
92 #endif	/* !_LINUX_INOTIFY_H */
93