On Tue, 12 Nov 2019 12:43:26 -0600, John McKown wrote: >On Tue, Nov 12, 2019 at 12:18 PM Tom Marchant wrote: > >> We have a multitasking address space in which we would like to >> call sort to sort somewhere around a half a million entries. >> There is a possibility that more than one task might need to >> call sort. Will this cause a problem if one task calls sort >> while sort is active for another task? A customer could be >> using any of the available sort products. > >IIRC, with DFSORT, you can do that. But each must: 1) use a separate set of >DDs for SORTWORK; > Won't DFSORT manage the SORTWORKs?
>2) use different DDs for SORTIN, SORTOUT and perhaps >DFSPARM (if used).; 3) If you use any exit(s) in differents, the exit code >will need to be truly RE-ENTRANT; 4) The address space must have >enough virtual storage. BTW - do you mean sort 1_000_000 entries, or >1_000_000 invocations of DFSORT? I think the same restrictions will be in >effect for SYNCSORT as well. > Is BPX1FRK or BPX1EXM to create additional address spaces a possible alternative? o It avoids the virtual storage constraint. o It avoids DDNAME collision. o But allocations must be performed anew for child processes. -- gil ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
