On Mon, 31 Jul 2006 21:19:04 -0300 "Shmuel Metz (Seymour J.)" <[EMAIL PROTECTED]> wrote:
:>In <[EMAIL PROTECTED]>, on 07/31/2006 :> at 04:59 PM, Paul Gilmartin <[EMAIL PROTECTED]> said: :>>Some months ago in these pages I proposed the rudiments of a scheme :>>of obtaining a SHR ENQ on each DEB when a data set is opened, and an :>>EXCL ENQ on the DEB of any extent to be freed. Mark Thomen (IIRC) :>>countered with examples of system code that manipulate extents :>>without ever creating DEBs. :>It wouldn't work anyway, because even if the other task did do an OPEN :>it would have a different DEB. I believe that he means the DEB information, i.e., the UCB addr/volser + the starting extent. -- Binyamin Dissen <[EMAIL PROTECTED]> 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 [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
