Experimental Physics and
Industrial Control System

Michael Davidsaver via Core-talk <core-talk at aps.anl.gov> · Fri, 20 Mar 2020 19:46:28 -0700

On 3/20/20 6:32 PM, Mark Rivers wrote:
>> It's also not clear to me why you need a timeout on the dequeue step
>> at all.  Are you using this to detect a device error?
> No, I am not using it to detect a device error.  I am using because, for example, in continuous acquisition mode the dequeue routine is being called in an infinite loop.  But when the user tells acquisition to stop that final frame will never arrive, so the dequeue function needs to time out and exit.
> 

Rather than a timeout, I would use a special message to signal
the receiver to (maybe) break from its loop.  In this case, a NULL
should do nicely.

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System