class FChange::Watcher

def initialize(notifier, path, recursive, *flags, &callback)

Other tags:
    See: Notifier#watch -

Other tags:
    Private: -
def initialize(notifier, path, recursive, *flags, &callback)
  @notifier = notifier
  @callback = callback || proc {}
  @path = path
  @flags = flags
  @recursive = recursive ? 1 : 0
  @id = Native.FindFirstChangeNotificationA(path, @recursive,
    Native::Flags.to_mask(flags));
   @id = Native.FindFirstChangeNotificationW(normalize_path(path), @recursive,
     Native::Flags.to_mask(flags));
  unless @id < 0
    @notifier.add_watcher(self)
    return
  end
  raise SystemCallError.new("Failed to watch #{path.inspect}", @id)
end