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From: "Jeffrey R. Carter" <spam.jrcarter.not@spam.acm.org>
Newsgroups: comp.lang.ada
Subject: Re: Private or public task ?
Date: Tue, 09 Feb 2010 17:01:34 -0700
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Date: 2010-02-09T17:01:34-07:00
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mkasun@gmail.com wrote:
> 
> Why do people insist that Ada.Text_IO.Put routines are potentially
> blocking.
> 
> From the ARM
> 
> Discussion: {AI95-00178-01} Any subprogram in a language-defined input-
> output package that has a file parameter or result or operates on a
> default file is considered to manipulate a file. An instance of a
> language-defined input-output generic package provides subprograms
> that are covered by this rule. The only subprograms in language-
> defined input-output packages not covered by this rule (and thus not
> potentially blocking) are the Get and Put routines that take string
> parameters defined in the packages nested in Text_IO.

Probably because of ARM 9.5.1:

"the subprograms of the language-defined input-output packages that manipulate 
files (implicitly or explicitly) are potentially blocking."

-- 
Jeff Carter
"My mind is aglow with whirling, transient nodes of
thought, careening through a cosmic vapor of invention."
Blazing Saddles
85