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From: dale <dale@cs.rmit.edu.au>
Newsgroups: comp.lang.ada
Subject: Re: How do I end the program?
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Date: Tue, 05 Feb 2002 13:52:19 +1000
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starner@okstate.edu wrote:

> How do I exit the program? It may seem like a silly question, but I'm
> trying to exit from a function called from a callback written in C, so I
> can't just return or raise an exception. glutMainLoop never returns, so
> I can't run off the end of the main function. I used
> GNAT.OS_Lib.OS_Exit. Is there a pure Ada alternative?


No not really. One way of doing it is to define an exception...

   Quit_Program : Exception;


then have a handler at the main program level....

   exception 
      when Quit_Program => null;
   end;


Before you do that you can call Ada.Command_Line.Set_Exit_Status.


Dale