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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: copy constructor for sockets
Date: 25 May 2004 05:53:14 +0100
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Date: 2004-05-25T05:53:14+01:00
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tmoran@acm.org writes:

> >I have it stuck in my head that Finalize can get called more than
> >once. Which would make a mockery of (simple-minded) reference counting
>   If each copy of the socket points to the single shared ref count
> (Rep_Type here), then Finalize may be called as often as you want on the
> socket:  the first time it's called it decrements the shared reference
> count, frees the Rep_Type if the count is now zero, and nulls the socket's
> pointer.  Subsequent calls on the same socket see that the pointer is null
> and there's nothing to do.

Of course, thanks Tom & Matt!