Event Problem in RTEMS 4.6.2

Eric Norum norume at aps.anl.gov
Thu Jan 25 14:17:37 UTC 2007

The RTEMS event mechanism does not count the number of times an event  
has been sent.  For example, consider the following sequence of events:
1) Task A sends an event.
2) Task A sends the same event again.
3) Task B calls rtems_event_receive() and does not block since the  
event is pending.
4) Task B calls rtems_event_receive() and does block, because the  
event is no longer pending.

Perhaps you need to use a counting semaphore or a message queue to do  
what you want.

On Jan 25, 2007, at 4:34 AM, Wilfried Busalski wrote:

> Hallo
> I'am using RTEMS 4.6.2 and I loose events send by rtems_event_send 
> () and
> receivinf by rtems_event_receive().
> If I send more then 5 Event's at a short time, the first event is  
> lossed.
> Any Ideas?
> Regards
> Wilfried
> _______________________________________________
> rtems-users mailing list
> rtems-users at rtems.com
> http://rtems.rtems.org/mailman/listinfo/rtems-users

Eric Norum <norume at aps.anl.gov>
Advanced Photon Source
Argonne National Laboratory
(630) 252-4793

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