# The device has been disconnected.
	#
	# This event and POLLOUT are mutually-exclusive; a stream can never be
	# writable if a hangup has occurred. However, this event and POLLIN,
	# POLLRDNORM, POLLRDBAND, or POLLPRI are not mutually-exclusive.
	#
	# This flag is only valid in the revents bitmask; it shall be ignored in the events member.
	new pollhup `{ return POLLHUP; `}