[Info-vax] VAX Common Lisp

Robert Carleton rbc at rbcarleton.com
Tue Oct 25 08:06:17 EDT 2022


On Monday, October 24, 2022 at 6:14:19 PM UTC-5, Arne Vajhøj wrote:
> On 10/24/2022 6:06 PM, Robert Carleton wrote: 
> > On Monday, October 24, 2022 at 4:38:33 PM UTC-5, Craig A. Berry wrote: 
> >> On 10/24/22 4:00 PM, Robert Carleton wrote: 
> >>> It sounds like the Lisp application would need to make use of DLM to 
> >>> use the VMS cluster facilities. 
> >> Sometimes that's as simple as "open a file" and let RMS do the rest. 
> >> But it does depend somewhat on what you want clustering for in the first 
> >> place. 
> > 
> 
> > Lisp implementations frequently have the ability to save an image of 
> > their state to disk. Coordinating one cluster node to save the image, 
> > then have a new process start on a different cluster node from the 
> > image should be possible.
> That sounds doable.
> > Is there a C API for DLM?
> There are some system services that can be used from C and other 
> (native) languages: sys$enq(w) and sys$deq. 
> 
> Arne
Thanks. I'll check those out.



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