IBM Mainframe Discussion List <IBM-MAIN@BAMA.UA.EDU> wrote on 11/21/2007 10:51:09 AM: > I still do not understand the necessity for the warning about MVS-guaranteed > disablement's requiring a system lock's being held. One result of acquiring > a system lock is the turning on of a super bit. But you can also turn it on > with an OI instruction.
Acquiring a lock does not turn on a super bit. It turns on a bit in the locks held string. I would recommend against writing any code which turns super bits on or off. Jim Mulder z/OS System Test IBM Corp. Poughkeepsie, NY ---------------------------------------------------------------------- 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