So this is what I will do I’ll do 3 reads in the first since i need to get myself going I’ll issue the WAIT using the ECB from the DECB Than when I finish processing that buffer and need to go to the second I/O I’ll issue a WAIT for that etc
> On Mar 19, 2021, at 3:05 PM, Seymour J Metz <[email protected]> wrote: > > The only safe way is to check the ECB. Relying on the buffer without first > testing for completion will lead to errors. > > > -- > Shmuel (Seymour J.) Metz > http://mason.gmu.edu/~smetz3 > > ________________________________________ > From: IBM Mainframe Discussion List [[email protected]] on behalf of > Joseph Reichman [[email protected]] > Sent: Friday, March 19, 2021 2:09 PM > To: [email protected] > 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 > > ---------------------------------------------------------------------- > 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 ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
