I wasn't there, but prior to TSO, there weren't any interactive users to send messages to. What purpose would a SYS!.BRODCAST serve in a card reader era?
> -----Original Message----- > From: IBM Mainframe Discussion List [mailto:[email protected]] > On Behalf Of Paul Gilmartin > Sent: Thursday, June 29, 2017 12:16 PM > To: [email protected] > Subject: Re: JES2 Exit 16 (was Re: how to keep messages in the > sys1.broadcast for ever) > > On 2017-06-29, at 13:03, J R wrote: > > > The original API for dynamic allocation was DAIR. > > > ISTR "IKJDAIR". Does this imply TSO is a requisite? This could have been > onerous in an era when TSO was not bundled, or even if DAIR could be used > only under the TMP. > > >> On Jun 29, 2017, at 13:13, John McKown wrote: > >> > >> This originated back is MVT days. MVT did not really have an API for > >> dynamic allocation. The data set was "fake opened" (i.e. code other > >> than OPEN found the DSN & extents, and built an "open" DCB and > >> associated DEB.) > > -- gil > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, send email to > [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
