Re: STIMER(M) EXIT= question
> Or even just set TCBNOIRB.within TCBFLGS8 > >>Is that GUPI??? Yes. TCBFLGS8 is listed as a programming interface. Peter Relson z/OS Core Technology Design -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
Re: STIMER(M) EXIT= question
> -Original Message- > From: IBM Mainframe Discussion List > [mailto:ibm-m...@bama.ua.edu] On Behalf Of Peter Relson > Sent: Friday, October 15, 2010 6:30 AM > To: IBM-MAIN@bama.ua.edu > Subject: Re: STIMER(M) EXIT= question > > >If a system routine does not wish to be interrupted by an > IRB it can take > a > >lock or ENQ SMC or STATUS SET,MC,PROCESS > > Or even just set TCBNOIRB.within TCBFLGS8 > > Peter Relson > z/OS Core Technology Design Is that GUPI??? -- John McKown Systems Engineer IV IT Administrative Services Group HealthMarkets(r) 9151 Boulevard 26 * N. Richland Hills * TX 76010 (817) 255-3225 phone * (817)-691-6183 cell john.mck...@healthmarkets.com * www.HealthMarkets.com Confidentiality Notice: This e-mail message may contain confidential or proprietary information. If you are not the intended recipient, please contact the sender by reply e-mail and destroy all copies of the original message. HealthMarkets(r) is the brand name for products underwritten and issued by the insurance subsidiaries of HealthMarkets, Inc. -The Chesapeake Life Insurance Company(r), Mid-West National Life Insurance Company of TennesseeSM and The MEGA Life and Health Insurance Company.SM -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
Re: STIMER(M) EXIT= question
>If a system routine does not wish to be interrupted by an IRB it can take a >lock or ENQ SMC or STATUS SET,MC,PROCESS Or even just set TCBNOIRB.within TCBFLGS8 Peter Relson z/OS Core Technology Design -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
Re: STIMER(M) EXIT= question
On Thu, 14 Oct 2010 13:04:53 -0500 Paul Schuster wrote: :>Suppose you code something like this: :>STIMER(M) SET BINTVL=1 second, EXIT=exitaddress,WAIT=NO :>So the application program continues to run, and then 1 second later the :>timer interrupt happens. The ASM MACROS documentation says the exitaddress :>routine will get control at some point after the timer interrupt happens. :>My question is this: :>What if your application program that is running has just issued an SVC 99 :>or SVC 55 when the timer interrupt occurs? Can the exitaddress routine get :>control while the internal IBM SVC code is running, or will the exitaddress :>routine get control once the the internal IBM SVC code has returned control :>back to the NSI after the SVC instruction? :>My question actually could be extended to any IBM service--will the :>exitaddress routine get control while in the midst of the service program, :>or wait until control returns to application program? If a system routine does not wish to be interrupted by an IRB it can take a lock or ENQ SMC or STATUS SET,MC,PROCESS -- Binyamin Dissen http://www.dissensoftware.com Director, Dissen Software, Bar & Grill - Israel Should you use the mailblocks package and expect a response from me, you should preauthorize the dissensoftware.com domain. I very rarely bother responding to challenge/response systems, especially those from irresponsible companies. -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
Re: STIMER(M) EXIT= question
Paul, Here is the answer: http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/BOOKS/IEA2A8B0/22.1.5?SHELF=iea2bkb0&DT=20100629141054 Basically, it states that if the TCB is waiting, it is given control immediately. Otherwise, any interrupt, such as a page fault, may allow it to begin execution. So the answer to your question is yes: it can get control while another SVC is executing. Tom Harper IMS Utilities Development Team Neon Enterprise Software Sugar Land, TX -Original Message- From: IBM Mainframe Discussion List [mailto:ibm-m...@bama.ua.edu] On Behalf Of Paul Schuster Sent: Thursday, October 14, 2010 1:05 PM To: IBM-MAIN@bama.ua.edu Subject: STIMER(M) EXIT= question Hello: Suppose you code something like this: STIMER(M) SET BINTVL=1 second, EXIT=exitaddress,WAIT=NO So the application program continues to run, and then 1 second later the timer interrupt happens. The ASM MACROS documentation says the exitaddress routine will get control at some point after the timer interrupt happens. My question is this: What if your application program that is running has just issued an SVC 99 or SVC 55 when the timer interrupt occurs? Can the exitaddress routine get control while the internal IBM SVC code is running, or will the exitaddress routine get control once the the internal IBM SVC code has returned control back to the NSI after the SVC instruction? My question actually could be extended to any IBM service--will the exitaddress routine get control while in the midst of the service program, or wait until control returns to application program? Thank you for any insight you can provide. Paul -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
