On Sun, 15 Aug 2021 18:47:26 -0400, Steve Smith wrote: > ... >The bottom line is that Program Fetch allows RENT modules to be shared, >REUS is just a weird ENQ trick, and otherwise you get multiple copies. I >really don't know if REFR has any effect over RENT. Perhaps it's required >for PLPA modules. > If REFRPROT is set (in PARMLIB?) REFR objects are loaded in write-protected storage. REFRPROT is off by default, in an obsession to preserve compatibility with archaic incorrect code. Alas, REFRPROT has universal scope -- individual programmers have no way to set it for their code.
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