Removes a file descriptor from the set of file descriptors polled for this source.
This API is only intended to be used by implementations of #GSource. Do not call this API on a #GSource that you did not create.
a #GPollFD structure previously passed to glib.source.Source.addPoll.
Removes a file descriptor from the set of file descriptors polled for this source.
This API is only intended to be used by implementations of #GSource. Do not call this API on a #GSource that you did not create.