[Info-vax] VMS process communication

[Dave Froble]

On 9/13/2022 9:14 PM, Arne Vajhøj wrote:
> On 9/13/2022 8:56 PM, Dave Froble wrote:
>> On 9/13/2022 8:38 PM, Arne Vajhøj wrote:
>>> On 9/13/2022 12:08 PM, Lee Gleason wrote:
>>>> On 9/12/2022 10:23 PM, Dave Froble wrote:
>>>>> On 9/12/2022 6:58 PM, Arne Vajhøj wrote:
>>>>>> I did a little writeup:
>>>>>>
>>>>>> https://www.vajhoej.dk/arne/articles/vmsipc.html
>>>
>>>>> Why no mention of mailboxs ?
>>>>
>>>>    And event flags and locks?
>>>
>>> To me those are synchronization techniques not communication
>>> techniques - or at least not general communication techniques.
>>
>> As Rob pointed out, one can do a lot with the DLM.
>>
>> Isn't synchronization itself a form of communication?
>
> Yes.
>
> But not what I would call general communication.
>
> It is not intended to send arbitrary messages - it is
> intended to synchronize flows.

 From that perspective then more on your list aren't what I'd consider easy 
communications.  Global sections for example are some serious work.  Nor would I 
stoop to using files or databases for inter-process communications.  Sockets and 
mailboxes might be what I'd consider "low hanging fruit".


-- 
David Froble                       Tel: 724-529-0450
Dave Froble Enterprises, Inc.      E-Mail: davef at tsoft-inc.com
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