NewWatcher creates and returns a new inotify instance using inotify_init(2).

InAccess : File was accessed.

InAllEvents : Bit mask for all notify events.

InAttrib : Metadata changed.

InClose : Equates to IN_CLOSE_WRITE | IN_CLOSE_NOWRITE.

InCloseNowrite : File or directory not opened for writing was closed.

InCloseWrite : File opened for writing was closed.

InCreate : File/directory created in watched directory.

InDelete : File/directory deleted from watched directory.

InDeleteSelf : Watched file/directory was itself deleted.

InDontFollow : Don't dereference pathname if it is a symbolic link.

InIgnored : Watch was removed explicitly or automatically.

InIsdir : Subject of this event is a directory.

InModify : File was modified.

InMove : Equates to IN_MOVED_FROM | IN_MOVED_TO.

InMovedFrom : Generated for the directory containing the old filename when a file is renamed.

InMovedTo : Generated for the directory containing the new filename when a file is renamed.

InMoveSelf : Watched file/directory was itself moved.

InOneshot : Monitor the filesystem object corresponding to pathname for one event, then remove from watch list.

InOnlydir : Watch pathname only if it is a directory.

InOpen : File or directory was opened.

InQOverflow : Event queue overflowed.

InUnmount : Filesystem containing watched object was unmounted.

Event represents a notification.

Watcher represents an inotify instance.