I don't think so. I would think it could be anywhere in the address space, with common storage qualifying as "in the address space."
Our friend Peter has taught me to take the documentation at its word. If it meant "in CSA" it would have said "in CSA." Charles -----Original Message----- From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf Of Joseph Reichman Sent: Tuesday, September 25, 2018 4:50 PM To: IBM-MAIN@LISTSERV.UA.EDU Subject: ECB in XMEM Post Hi In XMEM Post bases on the fact that's ASC is Primary and in the control parameters specify "If the caller specifies the ASCB parameter, the event control block (ECB) must be addressable from the address space identified by the ASCB parameter. " This is just another way of saying that for XMEM The ECB is in CSA right ? ---------------------------------------------------------------------- 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