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From: beckwb@ois.com (R. William Beckwith)
Newsgroups: 
 alt.lang.design,comp.lang.c,comp.lang.c++,comp.lang.lisp,comp.lang.ada
Subject: Re: Reference Counting (was Re: Searching Method for Incremental
 Garbage Collection)
Followup-To: 
 alt.lang.design,comp.lang.c,comp.lang.c++,comp.lang.lisp,comp.lang.ada
Date: 1 Dec 1994 23:26:16 -0500
Organization: Objective Interface Systems, Inc.
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Date: 1994-12-01T23:26:16-05:00
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Henry G. Baker (hbaker@netcom.com) wrote:
: Please note that your use of the term 'weak pointer' is nonstandard.
: 'Weak pointers' are used in tracing/coping GC's to refer to pointers
: which aren't traced, but _are_ updated, possibly to NIL, by the
: garbage collector.

I learned the technique from the comments in the ParcPlace Object
class.  I have also referred to them as `non-sustaining' references.

: A non-increment/decrement pointer in a reference counted system I
: have called a 'deferred increment' pointers.  I have a recent paper
: in Sigplan Notices (and my ftp/www archive) which investigates
: this issue more thoroughly.

Ahh-hah.  I have been reading this paper and I was wondering exactly
what you meant by `deferred increment'.  Thanks for the clarification.

... Bill