| /* |
| * Inode based directory notification for Linux |
| * |
| * Copyright (C) 2005 John McCutchan |
| */ |
| |
| #ifndef _LINUX_INOTIFY_H |
| #define _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_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 |
| |
| |
| #endif /* _LINUX_INOTIFY_H */ |