The interrupt handlers for I/O and external interrupts are designed not to need to access any storage in whatever the current A/S might be at the time of the interrupt, if any. Sometimes no address space is running and the system is in a wait state when such interrupts occur.
Bill Fairchild Programmer Rocket Software 408 Chamberlain Park Lane * Franklin, TN 37069-2526 * USA t: +1.617.614.4503 * e: [email protected] * w: www.rocketsoftware.com -----Original Message----- From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf Of Shmuel Metz (Seymour J.) Sent: Monday, December 03, 2012 4:54 PM To: [email protected] Subject: Re: Address of SRB rtn In <[email protected]>, on 12/02/2012 at 08:44 PM, John McKown <[email protected]> said: >I could have sworn that z/OS (MVS) had _something_ which did not run in >an address space. DIE? -- Shmuel (Seymour J.) Metz, SysProg and JOAT ISO position; see <http://patriot.net/~shmuel/resume/brief.html> We don't care. We don't have to care, we're Congress. (S877: The Shut up and Eat Your spam act of 2003) ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
