I think the main problem here is dynamic allocation (SVC99) is not allowing the unauthorized caller to specify it should enqueue uncondtionally. For that reason BPXWDYN, TSO ALLOCATE, etc return with "data set in use" instead of offering the option to wait until it becomes available.
--Peter Hunkeler ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN