For Linux the source code for using SIGP is readily available, see for example https://elixir.bootlin.com/linux/latest/source/arch/s390/kvm/sigp.c Of course that won't reveal any z/OS secrets :)
On Mon, Oct 18, 2021 at 1:05 PM Rob Schramm <rob.schr...@gmail.com> wrote: > That is an awesome answer... Brought a noncommittal smile to my face. > > Rob > > On Fri, Oct 15, 2021, 8:28 AM Peter Relson <rel...@us.ibm.com> wrote: > > > > As a matter of interest, what typically happens on the SIGP'ed to > > processor > > > when a SIGP is issued? I assume some kind of routine runs. > > > > In the simple case, what happens is that an external interrupt occurs on > > that processor. > > What happens after that is up to the OS, typically, yes "some kind of > > routine" runs to deal with the specific external interrupt. > > > > Peter Relson > > z/OS Core Technology Design > > > > > > ---------------------------------------------------------------------- > > 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 > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
