On Fri, 21 May 2010 04:56:35 -0400, Shmuel Metz (Seymour J.) wrote: > >> /bin/cp /what/ever "//'SYS2.MVSMODS.CNTL(ISTINCLM)'" > >>requests EXCL SYSDSN ENQ. I think this misspecification is inherent >>in the C RTL. > >It's not a misspecification. Would you really prefer an ABEND or a >damaged directory? > >The original design error was in not specifying safe PDS sharing back >in the early OS/360 days, but I can't see any clean way forward at >this late date. > The clean way forward was devised by [I]SPF some time ago in the SPFEDIT ENQ. This is effective. I believe it assures data integrity; no ABEND; no damaged directory. NFS server and FTP server (others?) use the technique to cooperate with ISPF. C RTL ought to do likewise.
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