Experimental Physics and
Industrial Control System

Benjamin Franksen <[email protected]> · Fri, 31 Aug 2012 15:33:47 +0200

On Thursday, August 30, 2012 18:34:53 Kim, Kukhee wrote:
> Hi Benjamin and everyone;
> 
> The seq() has returned the thread id in the previous version, but it does
> not return the thread id anymore in the new the implementation. We know
> that, if there are multiple state sets in the SNL program, then the seq()
> creates multiple threads which are corresponded to each state set. So, the
> thread id returning is not meaningful, it only shows the thread id for the
> first one.
> 
> But, the thread id returning is still valid for single state set, and also
> need to consider for the backward compatibility. One of our colleague in
> SLAC has used the thread id returning from the seq(), and has trouble now
> with the new implementation of the seq().
> 
> I am wondering, if someone else uses the thread id returning.
> And, I would like to discuss, if we can switch it back to the old way.
> Even, the seq() returns the thread id, it is not harmful and we can keep the
> backward compatibility.

Hi Kukhee

It never occurred to me that people would rely on the return value of seq() to 
be the thread id of the first state set. My reasoning for making it return 
void was simply to mimick the behaviour it has when called as a iocsh shell 
function (these cannot return a value). I will revert that change for the next 
maintenance release (seq-2.1.10).

-- 
Ben Franksen
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Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System