Experimental Physics and
Industrial Control System

Michael Davidsaver via Tech-talk <tech-talk at aps.anl.gov> · Tue, 26 Jan 2021 11:28:34 -0800

On 1/26/21 9:02 AM, Pilar Gil via Tech-talk wrote:
> Dear EPCIS-community,
> 
> I´m experimenting with some issues while using a driver based on the AsynPortdriver (C++) and I would like to know more information about what are the main differences while executing caput and using CSS-BOY for setting a variable value.
> 
> My problem is that in my application, everything goes well if I set a value using CSS-BOY, but the system runs into a segmentation fault if I use two consecutive times the same variable using caput. It seems that at some point it is freeing some variable that has already been freed, but it is ok if CSS-BOY carried out the set.

Can you clarify which process is crashing (IOC, cs-studio, or caput)?
Also, a stack trace would be helpful if you are able to provide it.

> Which step is CSS-BOY carrying out that caput does not include?
> Any advice is appreciated.
> Best regards
> Pilar
> 
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Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System