1IN_ACCESS 0x00000001
2IN_MODIFY 0x00000002
3IN_ATTRIB 0x00000004
4IN_CLOSE_WRITE 0x00000008
5IN_CLOSE_NOWRITE 0x00000010
6IN_OPEN 0x00000020
7IN_MOVED_FROM 0x00000040
8IN_MOVED_TO 0x00000080
9IN_CREATE 0x00000100
10IN_DELETE 0x00000200
11IN_DELETE_SELF 0x00000400
12IN_MOVE_SELF 0x00000800
13IN_UNMOUNT 0x00002000
14IN_Q_OVERFLOW 0x00004000
15IN_IGNORED 0x00008000
16IN_ONLYDIR 0x01000000
17IN_DONT_FOLLOW 0x02000000
18IN_EXCL_UNLINK 0x04000000
19IN_MASK_ADD 0x20000000
20IN_ISDIR 0x40000000
21IN_ONESHOT 0x80000000
22