[Info-vax] Filesystems on VMS, was: Re: Command Procedure Pipe output to a variable

[Stephen Hoffman]

On 2021-09-22 12:40:57 +0000, Simon Clubley said:

> It does have ACPs to handle some _devices_ in process context, but they 
> are nothing like FUSE and ACPs are very ugly to implement anyway.
> Also, good luck finding any public documentation for writing an ACP.

I've written a number of ACPs. They're not ~too bad. Some of the 
debugging tips I've posed over the years arise from debugging ACPs.

What little ACP doc is available (the VMS Advanced Driver Techniques 
book, etc) alone won't get you past writing your own MOUNT though.

Both for mounting your non-file-structured devices, and for use with 
different file systems.

In various ways, assumptions in MOUNT are tied more deeply into the 
file system than is the design of the ACP APIs.


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