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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Newsgroups: comp.lang.ada
Subject: Finalization of library level tasks
Date: Sun, 15 Apr 2018 15:40:44 +0200
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Xref: reader02.eternal-september.org comp.lang.ada:51515
Date: 2018-04-15T15:40:44+02:00
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I vaguely remember a discussion regarding this issue but cannot find it. 
The question is finalization of a task declared at the library level:

    task type Worker_Type is
       entry Quit;
    end Worker_Type;
    type Worker_Type_Ptr is access  Worker_Type;

    type T is new Ada.Finalization.Limited_Controlled with record
       Worker : Worker_Type_Ptr;
    end record;

    procedure Finalize (X : in out T) is
    begin
       X.Worker.Quit;
    end Finalize;

When an instance of T is declared in a library level package, then 
Finalize is never called, I guess because the task must terminate first 
due to some rules about its masters.

Is there a way to work this around?

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