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Pyrite | Level 9



I need to serialize update access to a SAS dataset across a series of concurrent jobs. Each one only requires exclusive access for a few seconds but Murphy arranged for two to need it at the same time this morning.  One failed.


I thought the lock statement might work but there isn't a wait option for it.  So I hoped there was a lock function but couldn't find one.  That would be handy in a data step.


So how has this been done in the past?






Accepted Solutions
Super User

You can code a loop for the LOCK statement that continues with WAITing steps in between until it gets a zero return code in macro variable SYSLCKRC.

Pyrite | Level 9

Thanks, Kurt.  That could work.  Will work out the details.  If push comes to shove I can always use a semaphore file.  Was just trying to avoid that.




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