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From: Achim Gerhard <achim_g@my-deja.com>
Subject: Re: Create-Delete tmp Files
Date: 2000/03/24
Message-ID: <8bfd8b$6g6$1@nnrp1.deja.com>#1/1
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Date: 2000-03-24T00:00:00+00:00
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In article <8bdcb6$tmo$1@nnrp1.deja.com>,
Robert Dewar <robert_dewar@my-deja.com> wrote:
> In article <8bcmds$6e9$1@nnrp1.deja.com>,
> Achim Gerhard <achim_g@my-deja.com> wrote:
>
> > with Text_IO;
> > procedure IO_Test
> > is
> > the_file : Text_IO.File_Type;
> > begin
> > for i in integer range 1 .. 100_000 loop
> > Text_IO.Create ( File => the_file, Mode => Text_IO.OUT_File );
> > Text_IO.Reset ( File => the_file, Mode => Text_IO.IN_File );
> > Text_IO.Delete ( File => the_file );
> > end loop;
> > end IO_Test;
> > Regards,
> > Achim
>
> Actually it does not surprise me one bit that this leaks. When
> you use temporary files, they have the semantics that they are
> automatically deleted at the end of the run. It is quite
> expected that the runtime (either at the Ada level and/or
> the OS level) will maintain some data structures for ensuring
> that this deletion takes place.
>
> It is rather odd style to explicitly delete such files, so it
> is not surprising that the data structures are not cleaned up
> to take account of this.
I do not agree. If the implementation does not support deletion in this
case, I would expect, that a call to DELETE will raise the exception
USE_ERROR.
Also, a explicit call of DELETE does not contradict with the clean up
during the completion of the main program.
Regards,
Achim
>
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