[Info-vax] VMS Software Q1 '23 Update

[Simon Clubley]

On 2023-02-06, Single Stage to Orbit <alex.buell at munted.eu> wrote:
> On Mon, 2023-02-06 at 13:34 +0000, Simon Clubley wrote:
>> > Makes sense as Dave Culter based some of the Windows Kernel on
>> > OpenVMS. The infamous BUGCHK is still there :-D
>> 
>> I actually prefer code that has BUGCHKs built into it instead of code
>> that assumes it's perfect and doesn't need any internal self
>> checking..
>
> Just a small correction, his name is Cutler, not Culter. 
>
> As for BUGCHKs, they're best left to system level things such as device
> drivers. I think users would be rather displeased if a program kept
> taking down the operating system with it given bad inputs :-D
>

You can have application level bugchecks that take down the application
only and in a controlled manner. That's also what I am talking about here
in addition to the system-level bugchecks.

Application code I write tends to be full of internal self checks.

> I faintly recall using an '&' in a certain way on VMS 4.2(?) would
> crash it. 

That doesn't surprise me. :-)

Simon.

-- 
Simon Clubley, clubley at remove_me.eisner.decus.org-Earth.UFP
Walking destinations on a map are further away than they appear.