Re: weird behaviour of SNL test program running on Soft IOC on LINUX

[Pete Jemian <prjemian@gmail.com>]

Oleg:

I'd like the tarball as well to test.  I see Sergey's Support Request 
Case HD12639 on this topic.

Pete

J. Lewis Muir wrote:
> On 3/16/09 4:08 PM, Oleg Makarov wrote:
>   
> > Hi Mark,
> >  
> > I tried the test with this fix. The problem is not resolved by
> > epicsThreadSleep code change in the osdThread.c.
> >  
> > CA requests are not being send out  as they arise, some buffering of the
> > requests occurs to make network communication more efficient. If you
> > look at the camonitor output, it shows a 3-second period, exactly as
> > expected.
> >  
> > Are there way to force CA requests to go out as they arise, with no
> > buffering?
> >     
>
> Hi, Oleg.
>
> pvFlush() will flush the SEQ PV layer, but maybe that's not what you're
> asking about.
>
> You can also do a synchronous put:
>
>   pvPut(str_cmd, SYNC);
>
> But still, I don't understand why str_rsp would ever contain one of the
> commands from str_cmd (e.g. "I522") like your output shows, unless
> something is messed up with what's happening in and beyond "{dev}StrCmd"
> and "{dev}StrRsp".
>
> Lewis
>   

--
----------------------------------------------------------
 Pete R. Jemian, Ph.D.                <jemian@anl.gov>
 Beam line Controls and Data Acquisition, Group Leader
 Advanced Photon Source,   Argonne National Laboratory
 Argonne, IL  60439                   630 - 252 - 3189
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    Education is the one thing for which people
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