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From: "Jeffrey R. Carter" <spam.jrcarter.not@spam.acm.org>
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Subject: Re: requeue with abort and timed call
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ishikawa@arielworks.com wrote:
> 
>    protected body P is
>       entry E1 when True is
>       begin
>          Put_Line ("E1");
>          delay 5.0; -- takes over Parent's delay
>          Put_Line ("E1 done");
>       end E1;
> 
>       entry E2 when True is
>       begin
>          Put_Line ("E2");
>       end E2;
>    end P;

Delay statements and calls to Ada.Text_IO.Put_Line are potentially blocking 
operations. It is an error to call potentially blocking operations from a 
protected action. See ARM 9.5.1.

-- 
Jeff Carter
"Pray that there's intelligent life somewhere up in
space, 'cause there's bugger all down here on earth."
Monty Python's Meaning of Life
61