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04277e02 | 1 | /* Copyright (C) 2005-2019 Free Software Foundation, Inc. |
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2 | This file is part of the GNU C Library. |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
5 | modify it under the terms of the GNU Lesser General Public | |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
8 | ||
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | Lesser General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Lesser General Public | |
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15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
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17 | |
18 | #ifndef _SYS_INOTIFY_H | |
19 | #define _SYS_INOTIFY_H 1 | |
20 | ||
21 | #include <stdint.h> | |
22 | ||
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23 | /* Get the platform-dependent flags. */ |
24 | #include <bits/inotify.h> | |
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25 | |
26 | ||
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27 | /* Structure describing an inotify event. */ |
28 | struct inotify_event | |
29 | { | |
30 | int wd; /* Watch descriptor. */ | |
31 | uint32_t mask; /* Watch mask. */ | |
32 | uint32_t cookie; /* Cookie to synchronize two events. */ | |
33 | uint32_t len; /* Length (including NULs) of name. */ | |
34 | char name __flexarr; /* Name. */ | |
35 | }; | |
36 | ||
37 | ||
38 | /* Supported events suitable for MASK parameter of INOTIFY_ADD_WATCH. */ | |
39 | #define IN_ACCESS 0x00000001 /* File was accessed. */ | |
40 | #define IN_MODIFY 0x00000002 /* File was modified. */ | |
41 | #define IN_ATTRIB 0x00000004 /* Metadata changed. */ | |
42 | #define IN_CLOSE_WRITE 0x00000008 /* Writtable file was closed. */ | |
43 | #define IN_CLOSE_NOWRITE 0x00000010 /* Unwrittable file closed. */ | |
44 | #define IN_CLOSE (IN_CLOSE_WRITE | IN_CLOSE_NOWRITE) /* Close. */ | |
45 | #define IN_OPEN 0x00000020 /* File was opened. */ | |
46 | #define IN_MOVED_FROM 0x00000040 /* File was moved from X. */ | |
47 | #define IN_MOVED_TO 0x00000080 /* File was moved to Y. */ | |
48 | #define IN_MOVE (IN_MOVED_FROM | IN_MOVED_TO) /* Moves. */ | |
49 | #define IN_CREATE 0x00000100 /* Subfile was created. */ | |
50 | #define IN_DELETE 0x00000200 /* Subfile was deleted. */ | |
51 | #define IN_DELETE_SELF 0x00000400 /* Self was deleted. */ | |
d6c7294e | 52 | #define IN_MOVE_SELF 0x00000800 /* Self was moved. */ |
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53 | |
54 | /* Events sent by the kernel. */ | |
55 | #define IN_UNMOUNT 0x00002000 /* Backing fs was unmounted. */ | |
56 | #define IN_Q_OVERFLOW 0x00004000 /* Event queued overflowed. */ | |
57 | #define IN_IGNORED 0x00008000 /* File was ignored. */ | |
58 | ||
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59 | /* Helper events. */ |
60 | #define IN_CLOSE (IN_CLOSE_WRITE | IN_CLOSE_NOWRITE) /* Close. */ | |
61 | #define IN_MOVE (IN_MOVED_FROM | IN_MOVED_TO) /* Moves. */ | |
62 | ||
87839111 | 63 | /* Special flags. */ |
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64 | #define IN_ONLYDIR 0x01000000 /* Only watch the path if it is a |
65 | directory. */ | |
66 | #define IN_DONT_FOLLOW 0x02000000 /* Do not follow a sym link. */ | |
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67 | #define IN_EXCL_UNLINK 0x04000000 /* Exclude events on unlinked |
68 | objects. */ | |
fe61f17c | 69 | #define IN_MASK_CREATE 0x10000000 /* Only create watches. */ |
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70 | #define IN_MASK_ADD 0x20000000 /* Add to the mask of an already |
71 | existing watch. */ | |
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72 | #define IN_ISDIR 0x40000000 /* Event occurred against dir. */ |
73 | #define IN_ONESHOT 0x80000000 /* Only send event once. */ | |
74 | ||
75 | /* All events which a program can wait on. */ | |
76 | #define IN_ALL_EVENTS (IN_ACCESS | IN_MODIFY | IN_ATTRIB | IN_CLOSE_WRITE \ | |
77 | | IN_CLOSE_NOWRITE | IN_OPEN | IN_MOVED_FROM \ | |
78 | | IN_MOVED_TO | IN_CREATE | IN_DELETE \ | |
d6c7294e | 79 | | IN_DELETE_SELF | IN_MOVE_SELF) |
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80 | |
81 | ||
82 | __BEGIN_DECLS | |
83 | ||
84 | /* Create and initialize inotify instance. */ | |
85 | extern int inotify_init (void) __THROW; | |
86 | ||
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87 | /* Create and initialize inotify instance. */ |
88 | extern int inotify_init1 (int __flags) __THROW; | |
89 | ||
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90 | /* Add watch of object NAME to inotify instance FD. Notify about |
91 | events specified by MASK. */ | |
92 | extern int inotify_add_watch (int __fd, const char *__name, uint32_t __mask) | |
93 | __THROW; | |
94 | ||
95 | /* Remove the watch specified by WD from the inotify instance FD. */ | |
43149780 | 96 | extern int inotify_rm_watch (int __fd, int __wd) __THROW; |
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97 | |
98 | __END_DECLS | |
99 | ||
100 | #endif /* sys/inotify.h */ |