I know that it is possible to use DIV (Data In Virtual) to "map" an LDS into an address space. And then use "windowing services" to move the "window" around within the LDS.
What I would really like to do is have an LDS. And, somehow, have an API which would take this LDS and create a data space for me which simply "maps" the entire LDS into the data space. Basically making the LDS a "private page dataset". I would also like to have a way to "harden" all the changed pages in the data space into the LDS (e.g. force pageout changed). And, of course, it would write all the changed pages (and delete the data space) when I request that the LDS be "closed". I just don't see a way to do this. Not even in the 2.3 books. But I'm hoping that I missing something. And, if you're interested, this idea/desire was triggered by the UNIX "mmap()" type functions which map a regular UNIX file as a range of memory. Seems to me that IBM has basically "functionally stabilised" DIV. Like an idea that just didn't pan out. -- I have a theory that it's impossible to prove anything, but I can't prove it. Maranatha! <>< John McKown ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
