[Info-vax] Listeners in VMS Basic, was: Re: Integrity iLO Configuration?

[Richard Maher]

On 27/06/2021 2:53 am, Arne Vajhøj wrote:
> On 6/25/2021 10:02 PM, Dave Froble wrote:
>> I'll just address my opinion of threads.  Not saying they are
>> useless, but, if the OS, VMS, already gives me separate "threads"
>> called processes, why do I want the aggravation of re-inventing it
>> inside my apps?
>> 
>> I'm sure someone will cry out "performance", but, with today's 
>> processors, performance is most likely a rare issue.
> 
> Threading provides a very convenient programming model.
> 
> Shared heap is a lot easier than IPC.
> 
> Sure - it is also possible to shoot oneself in the foot accessing
> that shared heap.
> 
> But for people that understand concurrency problems and locking then
> it should not be a big problem.
> 
> Arne
> 
> 
> 

Yes but a simple single threaded shareable image RTL is much easier than 
Threading or IPC (Although C# async tasks are pretty easy)

And IIRC correctly there is no thread-granularity T3$PERSONA_ASSUME 
which allows unprivileged code temporarily assume the Username of the 
authorized client.

Let VMS check authorization and not try to duplicate it.