PK88853: A CRASH CAN OCCUR WHEN SENDING THE TERMINATE SIGNAL TO A STATEMACHINE. THIS IS DUE TO A KNOWN ISSUE WITH OMREACTIVE.CP

APAR status

• Closed as unreproducible.

Error description

• handleEventUnderDestruction
  (const IOxfEvent* ev) {
      //#[ operation handleEventUnderDestruction(IOxfEvent)
      if ((ev != NULL) ??
       ev-?isTypeOf(OMReactiveTerminationEventId)) {
       if (shouldDelete()) {
        if (isDestroyEventResent()) {
         // second consumption
         // self termination event - do self destruction
         delete this;
        } else {
         // first consumption - resend
         // When destroy is called the reactive instance is set in
  under destruction mode
         // that prevents sending of additional events and the
  terminate event is sent by the instance to itself.
         // The terminate event must be the last event sent to
  this instance and since the setting in under destruction mode is
  done without guarding                                 // (for
  performance considerations), the terminate event is reset after
  consumed on the first time to avoid a scenario where,
         // due to task scheduling, another event is sent after
  the destroy event.
         // Sending the terminate event a second time prevents
  most scheduling races
         // however it does not prevent all possible scenarios.
         // In case that your scheduler may stop a task in the
  middle of a regular code (without a blocking call)
         // for indefinite time (that will let the reactive
  instance thread dispatch the terminate event twice),
         // you should consider using the direct deletion policy.
         (void) send(?theTerminateEvent);
         setDestroyEventResent();
        }
       }
      }
      return instanceUnderDestruction;
      //#]
  }
  

Local fix

• N/A
  

Problem summary

• APAR PK88853 - Rhapsody crashes when statemachine is
  terminted (OMReactive.cpp)
  

Problem conclusion

• This defect is not reproducible.
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Fix information

Applicable component levels

• R750 PSN

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