Re: terminate applications

["Warren W. Gay VE3WWG" <ve3wwg@cogeco.ca>]

"Larry Kilgallen" <Kilgallen@SpamCop.net> wrote in message news:etldVqgp8sE1@eisner.encompasserve.org...
> In article <FTwUa.367$XK4.14917@read1.cgocable.net>, "Warren W. Gay VE3WWG" <ve3wwg@cogeco.ca> writes:
> > "Larry Kilgallen" <Kilgallen@SpamCop.net> wrote in message news:$TwrUBtoh25l@eisner.encompasserve.org...
> >> In article <3F227982.30204@noplace.com>, Marin David Condic <nobody@noplace.com> writes:
> >> > O.K., but what is wrong with saying that most operating systems provide
> >> > some means of immediate process termination in the form of a system call
> >> > and that Ada ought to have a portable and common binding to that (and
> >> > other) OS procedures?
> >>
> >> What is wrong is that not all operating systems define those facilities
> >> in the same way.  Ada programmers moving such code from one platform to
> >> another should be forced to read the definition for the particular OS
> >> to see if it still matches the expectations of their program.
> >>
> >> VMS has about three such calls, with varying effects.  Which one should
> >> an Ada compiler invoke ?
> >
> > That is an interesting point. I don't know VMS, but I would expect
> > that the one that MDC is looking for can be chosen from that set.
> >
> > How do these 3 vary?  Surely, one of these must be inline with what
> > other O/S's provide.
>
> Are you claiming that all operating systems other than VMS are uniform
> in what they provide ?

I made no claim. I asked a question.

> > The other API entries (if useful), can be provided
> > by a Halt.Aux package or some other extension perhaps.
>
> Presuming the VMS choices cover the universe of possibilities (doubtful),
> what basis is there to think there is a uniform view of what is "the other"
> method.

How many ways would you expect there to be in this "universe of program
terminations"?  You seem to be implying that this could be huge (and thus
a problem). I doubt that even more than your doubt, so there ;-)

-- 
Warren W. Gay VE3WWG
http://home.cogeco.ca/~ve3wwg