On Sun, 22 Jul 2012 15:17:11 -0500, David Boyes wrote: > >For those of you who haven't seen it, VM, VSE and Linux register for a >specific fully-architected hardware external interrupt (in the PoPs) that >indicates that the LPAR is being shut down. VSE issues a message, VM reflects >the interrupt to all virtual machines which are registered to receive it, and >Linux (if configured to register for it) triggers a user-specified command >(usually 'shutdown -h now'). I'd like to have z/OS register for that >interrupt, and at least print a unique message if/when that specific interrupt >arrives. > In Linux, which process handles the shutdown signal? Init? Or is it sent to all processes with a default of ignore, with at least one superuser process handling it by issuing "shutdown"?
Some years ago, I suggested in MVS-OE that MVS shutdown should send SIGTERM to all dubbed processes so that processes coded to UNIX conventions could perform orderly shutdown. The suggestion was not well received. -- gil ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
