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From: Adam Beneschan <adam@irvine.com>
Newsgroups: comp.lang.ada
Subject: Re: Running a background task
Date: Thu, 15 May 2008 16:14:40 -0700 (PDT)
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Date: 2008-05-15T16:14:40-07:00
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On May 15, 3:31 pm, Adam Beneschan <a...@irvine.com> wrote:
> On May 15, 1:51 pm, Bender <Jeffrey.S.Morri...@gmail.com> wrote:
>
> > Hi, I'm pretty new to Ada, and need to figure out a way to kick off a
> > background task that runs more or less forever, while normal execution
> > of the program continues.
>
> > Thus far I've figured out how to create a task and start it, but the
> > procedure calling it requires the task to finish before continuing
> > on.  I'm sure I just must be using the wrong mechanisms, but I can't
> > really figure out the answer.
>
> When Handle_Msg calls on the On_String entry, this starts a
> rendezvous, and Handle_Msg stops when the rendezvous is done.

That should be "Handle_Msg stops until the rendezvous is done".
Sorry.

> Since
> the "accept" has a "do" part, the rendezvous will not be done until
> the "do" completes, which in your case never happens.  Thus,
> Handle_Msg will never proceed past the entry call.

                                 -- Adam