Re: Filtering messages print on the IOC shell console

["Konrad, Martin via Tech-talk" <tech-talk at aps.anl.gov>]

Hi Lewis,
> A problem I often see on VxWorks VME crate IOC consoles is that output
> is corrupted.  It looks as if two or more threads or processes are
> writing to the console at the same time.  Does your suggestion about
> where you consider it appropriate to use printf and fprintf include this
> situation?  How can this be avoided?
There is only one IOC shell thread. Assuming that IOC shell commands are
executed in a synchronous way there is no risk of corrupting messages
printed by printf as long as you stick to Andrews rule and use printf
only in IOC shell commands.

Cheers,

Martin

-- 
Martin Konrad
Facility for Rare Isotope Beams
Michigan State University
640 South Shaw Lane
East Lansing, MI 48824-1321, USA
Tel. 517-908-7253
Email: konrad at frib.msu.edu