On Sun, 27 May 2007 15:39:49 -0400, Bruce Black wrote: >> That "There is no easy way that I know to determine if the current >> step is the last step that uses the dataset" claim conflicts with your >> "then releases the dataset at the end of the last step that uses it" >> statement. >The initiator knows which step is the last step, but I don't know how an >executing program can tell > Ah, you're getting there. Even as the initiator with that knowledge performs the SYSDSN DEQ after the last step that uses a data set name, I'd expect that if the downgrade facility were provided it would likewise be the initiator, not the executing program, that would downgrade the ENQ after the last step that required exclusive when subsequent steps require only shared.
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