Was SVC 99 the other name for the DAIR (dynamic allocation interface routine(s?)) or did it replace them? I vaguely remember using DAIR decades ago. Listings trashed/lost two moves ago.
In S229-3169-3 (1971Jul no release) SVC32 shows parm of R1-->UCB list but no mention of DSN, disp, etc. IBM Mainframe Discussion List <[email protected]> wrote on 04/24/2007 03:09:30 PM: > Rick Fochtman wrote: > > ----------------------<snip>--------------------- > > > >> On 4/24/2007 12:29 PM, Rick Fochtman wrote: > >> > >>> Before SVC-99, we still had SVC-34, but the setup was somewhat more > >>> complex and far less forgiving of errors. > >> I suspect you meant SVC 32, not SVC 34. > > ----------------------<unsnip>---------------------------- > > You're right, Walt. Good catch, and thanks for correcting my sometimes > > faulty memory. :-) > However, IIRC SVC 32 only did DASDM space allocation. It did > not build SIOT's, JFCB's, mark UCB's as allocated, etc. I think > SVC 99 was added to MVT (maybe OS/360 in general) just for TSO. > Initially it was not a generally availble interface to allocation, > but intended for TSO's use only. ----------------------------------------- The information contained in this communication (including any attachments hereto) is confidential and is intended solely for the personal and confidential use of the individual or entity to whom it is addressed. The information may also constitute a legally privileged confidential communication. If the reader of this message is not the intended recipient or an agent responsible for delivering it to the intended recipient, you are hereby notified that you have received this communication in error and that any review, dissemination, copying, or unauthorized use of this information, or the taking of any action in reliance on the contents of this information is strictly prohibited. If you have received this communication in error, please notify us immediately by e-mail, and delete the original message. Thank you ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html

