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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Newsgroups: comp.lang.ada
Subject: Re: Reference counter in smart pointers are not updated properly when
 used by multiple tasks
Date: Thu, 1 Feb 2018 11:51:49 +0100
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Xref: reader02.eternal-september.org comp.lang.ada:50247
Date: 2018-02-01T11:51:49+01:00
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On 01/02/2018 11:28, onox wrote:
> I'm replaced the Atomic.Unsigned_32 with:
> 
>     protected type Reference_Counter is
>        procedure Increment;
>        procedure Decrement (Result : out Natural);
>        function Count return Natural;
>     private
>        References : Natural := 1;
>     end Reference_Counter;
> 
>     type Reference_Counter_Access is access Reference_Counter;
> 
>     type Data_Record is record
>        References : Reference_Counter_Access;

There is System.Atomic_Counters I suppose from GNAT you could use.

-- 
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de