On Wed, 11 Jan 2017 17:47:30 +0000, David W Noon wrote: >>> >> History question: Didn't DAIR, with similar function, antedate MVS/370? > >I assume you mean IKJDAIR. That was more limited than SVC 99, but did >basic dynamic allocation quite well. It was part of the TMP and its use >was limited to TSO. In those days TSO was not an address space, but >simply a region within the MVT or OS/VS2 address space. > >It was MVS/370 that allowed any address space to perform dynamic allocation. > Hot Damn! You mean there's an actual precedent for moving function out of the TMP and making it generally available? I'd like to see likewise for: TRANSMIT, RECEIVE, SUBMIT (but with attribute restriction relaxed), LISTDSI, SYSVAR, OUTTRAP, ...
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