ization</h2>
Both <TT>GC_register_disappearing_link</tt> and
<TT>GC_register_finalizer</tt> add the request to a corresponding hash
table.  The hash table is allocated out of collected memory, but
the reference to the finalizable object is hidden from the collector.
Currently finalization requests are processed non-incrementally at the
end of a mark cycle.  
<P>
The collector makes an initial pass over the table of finalizable objects,
pushing the contents of unmarked objects onto the mark stack.
After push