> May I assume that "telling" includes providing z/OS with the address of the > ECB(s)?
Asking, actually, LOL. *------------------------------------------------------------------* * OBTAIN ADDRESS OF THE CIB * * From z/OS V1R10.0 MVS Authorized Assembler Services Guide p. 2-4 *------------------------------------------------------------------* * * Now see if have a CIB EXTRACT COMADDR,FIELDS=COMM,MF=(E,EXTRACTL) L R8,COMADDR GET ADDRESS OF THE AREA USING COM,R8 USE R8 AS BASE ADDRESS OF COMM AREA * * Pick up ECB address out of the COM L R0,COMECBPT ST R0,ECBLISTC Store in ECB list * * Use QEDIT to set MODIFY count to one QEDIT ORIGIN=COMCIBPT,CIBCTR=1 Charles -----Original Message----- From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf Of Paul Gilmartin Sent: Wednesday, December 05, 2012 9:02 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Historical question regarding the stop command On Wed, 5 Dec 2012 08:03:16 -0800, Charles Mills wrote: >> How does STOP work? > >From a programmer's point of view, it sets a flag and posts an ECB. > >> Is MODIFY similar? > >Yes, both are quite similar in how they work. Modify is a flag plus the >text of the command. AFAIR Stop is just a flag, but I might well be >wrong and I am too lazy to look it up right now. > Same ECB or different ECB? Or does the flag indicate whether the operation was STOP, MODIFY, or ... (What else?) >z/OS "knows" whether a program has gone through the motions of telling >z/OS it was prepared to accept console commands. ... > May I assume that "telling" includes providing z/OS with the address of the ECB(s)? ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN