On Sun, 30 Nov 2025 13:37:31 -0600, Eric Erickson <[email protected]> wrote:

>My question is whether what other services are available from the CSR table, 
>beside the XML, JSON and HTTP that I've found references too. 

There is no common documentation for CSR usage. The answer to your question is 
to look at product documentation to determine how the product can or should be 
called. For instance, I don't believe cellpools ever documented their CSR. 
Instead, you code CPOOL and PC replaced the CSR call without anyone taking 
action.

With the introduction of PC routines, many of the IBM services (SVC & CSR) were 
converted to PC routines (e.g. APPC, cellpools, storage, ...). Despite being 
converted to PC, their CSR entries are still maintained for programs that may 
still use the CSR. 

Vendor & IBM product groups that need fast path to the product request a CSR 
entry from IBM. It is up to the product group determine how their CSR entry is 
used. Some products chose to use macros while others document these callable 
services offsets. I suspect some vendor products use their CSR entry with the 
PC identifier.

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