Be carefull using IN_MODIFY :
Lot of UNIX editor, for instance like 'vi', work in a 'xxx~' file, and changes are written in 'xxx' when saving or saving and closing.
If a watcher is done on 'xxx', no IN_MODIFY event occurs while not saved !
Prefere IN_CLOSE_WRITE in such case .
Costanti predefinite
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Inotify constants usable with inotify_add_watch() and/or returned by inotify_read()
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IN_ACCESS(int) - File was accessed (read) (*)
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IN_MODIFY(int) - File was modified (*)
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IN_ATTRIB(int) - Metadata changed (e.g. permissions, mtime, etc.) (*)
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IN_CLOSE_WRITE(int) - File opened for writing was closed (*)
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IN_CLOSE_NOWRITE(int) - File not opened for writing was closed (*)
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IN_OPEN(int) - File was opened (*)
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IN_MOVED_TO(int) - File moved into watched directory (*)
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IN_MOVED_FROM(int) - File moved out of watched directory (*)
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IN_CREATE(int) - File or directory created in watched directory (*)
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IN_DELETE(int) - File or directory deleted in watched directory (*)
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IN_DELETE_SELF(int) - Watched file or directory was deleted
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IN_MOVE_SELF(int) - Watch file or directory was moved
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IN_CLOSE(int) - Equals to IN_CLOSE_WRITE | IN_CLOSE_NOWRITE
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IN_MOVE(int) - Equals to IN_MOVED_FROM | IN_MOVED_TO
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IN_ALL_EVENTS(int) - Bitmask of all the above constants
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IN_UNMOUNT(int) - File system containing watched object was unmounted
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IN_Q_OVERFLOW(int) - Event queue overflowed (wd is -1 for this event)
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IN_IGNORED(int) - Watch was removed (explicitly by inotify_rm_watch() or because file was removed or filesystem unmounted
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IN_ISDIR(int) - Subject of this event is a directory
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IN_ONLYDIR(int) - Only watch pathname if it is a directory (Since Linux 2.6.15)
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IN_DONT_FOLLOW(int) - Do not dereference pathname if it is a symlink (Since Linux 2.6.15)
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IN_MASK_ADD(int) - Add events to watch mask for this pathname if it already exists (instead of replacing mask).
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IN_ONESHOT(int) - Monitor pathname for one event, then remove from watch list.
Nota: The events marked with an asterisk (*) above can occur for files in watched directories.
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User Contributed Notes 2 notes
crownedgrouse ¶
15 years ago
rogere84 at gmail dot com ¶
10 years ago
I noticed that the values of the constants seem to be missing. Granted, these could change dependant on version but on my system here are the values (should you want them).
IN_ACCESS = 1
IN_MODIFY = 2
IN_ATTRIB = 4
IN_CLOSE_WRITE = 8
IN_CLOSE_NOWRITE = 16
IN_OPEN = 32
IN_MOVED_FROM = 64
IN_MOVED_TO = 128
IN_CREATE = 256
IN_DELETE = 512
IN_DELETE_SELF = 1024
IN_MOVE_SELF = 2048
IN_UNMOUNT = 8192
IN_Q_OVERFLOW = 16384
IN_IGNORED = 32768
IN_CLOSE = 24
IN_MOVE = 192
IN_ALL_EVENTS = 4095
IN_ONLYDIR = 16777216
IN_DONT_FOLLOW = 33554432
IN_MASK_ADD = 536870912
IN_ISDIR = 1073741824
IN_ONESHOT = 2147483648
