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From: "Hakan" <yilmazhakan72@gmail.com>
Newsgroups: comp.lang.ada
Subject: Re: Ada to Interfacing C# (Urgent)
Date: 26 Mar 2006 01:12:39 -0800
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Date: 2006-03-26T01:12:39-08:00
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Jeffrey,

I have written pragma Controlled clause in my previous message by
mistake, actually it should be pragma Convention (C, Exception_Ptr).

Jeffrey R. Carter wrote:
> Hakan wrote:
> > I had also used the pragma Controlled clause.But not worked.
>
> Pragma Controlled simply prevents garbage collection, something that is not
> likely to happen with GNAT. It has nothing to do with interfacing to C.
>
> Pragma Convention (C, ...) tells the compiler to use the same representation for
> objects of the type that a C compiler would use. For access types, they will be
> represented as a C pointer.
>
> --
> Jeff Carter
> "I spun around, and there I was, face to face with a
> six-year-old kid. Well, I just threw my guns down and
> walked away. Little bastard shot me in the ass."
> Blazing Saddles
> 40