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From: Jeffrey Carter <spam.jrcarter.not@spam.not.acm.org>
Newsgroups: comp.lang.ada
Subject: Re: can someone help me with this code (explanation)
Date: Thu, 25 Sep 2014 15:27:47 -0700
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Date: 2014-09-25T15:27:47-07:00
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On 09/25/2014 01:10 PM, Niklas Holsti wrote:
> 
> To make task-safe use of Ada.Text_IO, it should be wrapped in some way
> to ensure that only one task calls it at a time. For example, you could
> write a task with an entry like Put_Line (Message : in String) and an
> accept statement that does Ada.Text_IO.Put_Line (Message). But a
> protected-object wrapper is probably better for uses where I/O
> performance (latency) is not critical.

Except that I/O is potentially blocking, and so cannot appear in a protected
operation, meaning one needs a task one way or another.

-- 
Jeff Carter
"Blessed is just about anyone with a vested interest in the status quo."
Monty Python's Life of Brian
73