On Wed, Apr 21, 2010 at 12:46 AM, Tony Harminc <t...@harminc.net> wrote:
> On 20 April 2010 19:09, Sam Siegel <s...@pscsi.net> wrote: > > > With all of the discussion about APF and loading programs from various > types > > of libraries, I'm hoping someone can provide some clarification for > > me regarding the ADRNAPF of the load macro. > > > > The doc indicates that a module can be loaded from a non-apf library > > when ADRNAPF is used from an authorized program in supervisor state. The > > doc further states that the it is the loading programs responsibility to > > ensure that program loaded from the non-apf library receives control in > > problem state. > > > > Please confirm that when the non-apf program receives control in problem > > state, it cannot change to supervisor state, discounting the possibility > of > > using a magic svc, etc. > > How do you propose to pass control to your newly loaded code in > problem state? If you just MODESET to problem state and BALR, then > presumably the called program could issue a MODESET back to supervisor > state, just like any other code running in an APF authorized job step. > If not, then one must assume that the jobstep has lost APF > authorization, and that seems most unlikely in this context. > > If you use SYNCH or ATTACH with JSTCB=YES, then you're in a whole > different world, but System Integrity is still very much your > responsibility. > Toni, I was going to use SYNCH(X). ATTACH(X) does not make sense for this design. Thanks, Sam > > Be careful. > > Tony H. > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO > Search the archives at http://bama.ua.edu/archives/ibm-main.html > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
