So PC inst will also un-define an ESTAE
> On Jun 13, 2017, at 9:05 AM, Greg Dyck <gregd...@pobox.com> wrote: > >> On 6/13/2017 2:55 AM, David Cole wrote: >> PRs do automagically cancel all ESTAEs created since the matching BAKR. >> There is a bit (in the BAKR's stack entry I think. I forget which and >> where.) that, when set on, causes an interrupt to occur when the PR is >> issued. This is how z/OS gains control so that it can do the purge of the >> appropriate SCB[s]. > > You are referring to the unstack-suppression bit in the linkage stack entry > descriptor. It it used to trigger several different types of processing > within z/OS when an entry is removed from the linkage stack, either explicity > by a PR or implicitly by a RB being dequeued from a TCB after terminating > (normally or abnormally). > > Regards, > Greg > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
