On Tue, 12 Nov 2002, Ulrich Weigand wrote: > Linas Vepstas wrote: > > >-- if 'exception 04' can be caught and passed back up to the library, > > Unfortunately it can't, as key-protection violation is a 'terminating' > exception condition, which means the CPU state at the time the > interruption is delivered is undefined. This means that the instruction > that caused the exception might have already been *partially* executed, > but there's no way to find out whether and to what extent that happened. > The only thing you can reliably do in that situation is to terminate > the process.
I don't know where to look to verify that, but I did discover at http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/BOOKS/DZ9AR006/6.1.4.2?SHELF=&DT=19990630131355 that the ILC can have random values at some times so I guess you're right. So, can PER be used? -- Cheers John. Please, no off-list mail. You will fall foul of my spam treatment. Join the "Linux Support by Small Businesses" list at http://mail.computerdatasafe.com.au/mailman/listinfo/lssb
