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  1.  Home
  2. RPG400-L
  3. April 2017

RE: DTAARA Lock Issue?

If a save was running, the save will allocate the datara, and it will not be available.

Paul

-----Original Message-----
From: RPG400-L [mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Paul Therrien
Sent: Saturday, April 15, 2017 9:27 AM
To: 'RPG programming on the IBM i (AS/400 and iSeries)'
Subject: RE: DTAARA Lock Issue?

Is there ANY chance that the update/out logic failed and the data area did not get incremented by the first process.


Paul


-----Original Message-----
From: RPG400-L [mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Roger Harman
Sent: Friday, April 14, 2017 2:07 PM
To: 'RPG programming on the IBM i (AS/400 and iSeries)'
<rpg400-l@xxxxxxxxxxxx>
Subject: DTAARA Lock Issue?

We had two jobs submitted for the same process - different companies.

Each (RPGLE) does an IN *LOCK of a data area for a unique identifier.
Increment and then OUT for the next use.

From the joblogs, programs were initiated .06 seconds apart (6/100th's).
Both got the same unique ID. I can't see how this could happen. Default
wait time (job) should be 30 seconds, I believe.

There is no error indicator on the IN. If the LOCK failed and no indicator specified, would the fail just be ignored?

Thanks.

Roger Harman
COMMON Certified Application Developer - ILE RPG on IBM i on Power

 
 

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