Experimental Physics and
Industrial Control System

On 12/23/19 5:13 PM, STARRITT, Andrew via Tech-talk wrote:
> ...
> My questions: Is this a bug or a feature?

https://github.com/epics-base/epics-base/commit/3edc4b5c18741d1c17fd93d63498c2fe2bf594da#diff-3aae14301cf71a07ec8d5a307a827f46L172

While I haven't spent much time on subArrayRecord, the current code looks correct.
no_elements should be set to the maximum element count here.  Code which
actually reads from this field should be calling rset::get_array_info() to find
the actual length (from NORD).

The previous code wouldn't work properly if the array size ever changed with clients connected.

How many elements are are shown by:

> camonitor -# 0 SR07BM01FPM01:FILL_PATTERN_ELEMENT_030_EXTRACT 

References:

subArray record [SEC=UNOFFICIAL] STARRITT, Andrew via Tech-talk

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