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From: "Alex R. Mosteo" <devnull@mailinator.com>
Newsgroups: comp.lang.ada
Subject: Re: Type safety on wikipedia
Date: Fri, 27 Jan 2006 12:13:37 +0100
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Date: 2006-01-27T12:13:37+01:00
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Simon Wright wrote:
> "Alex R. Mosteo" <devnull@mailinator.com> writes:
> 
> 
>>This is something I've mused about sometimes: Let's suppose some Ada
>>compiler goes ahead and provides a GC. What happens with programs
>>written without taking this into account?
> 
> 
> 13.11.2(17) only says that Free _should_ reclaim the storage. I
> suppose for a GC implementation there could be at least 2
> implementation strategies:
> 
>  * don't actually reclaim, just remove local reference and deal with
>    tasks if necessary
> 
>  * check that the reference count is in fact 1 and raise *_Error if
>    not! That would be useful!

Neat! I hadn't figured that path of action. Indeed it seems a very good 
strategy. I can imagine unknown bugs popping out after years of silently 
wait and rare crashes... hehe...