Joe, That is what the READ ECB is for. When that ECB is posted then the READ is complete.
Use the CHECK macro to determine if a particular READ is complete. Peter -----Original Message----- From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> On Behalf Of Joseph Reichman Sent: Friday, March 19, 2021 2:10 PM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Overlapped I/O completion Hi When doing overlapped I/O is there a way to tell if the I/O had completed on the subsequent reads I check to see if the first fullword has been populated by the BDW -- This message and any attachments are intended only for the use of the addressee and may contain information that is privileged and confidential. If the reader of the message is not the intended recipient or an authorized representative of the intended recipient, you are hereby notified that any dissemination of this communication is strictly prohibited. If you have received this communication in error, please notify us immediately by e-mail and delete the message and any attachments from your system. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
