You're taking this way off the path I intended, so pardon me if I stop now.
On 6/10/2022 2:09 PM, Paul Gilmartin wrote:
On Fri, 10 Jun 2022 12:46:38 -0700, Tom Brennan wrote:
... Now,
someone could say locking your keyboard prevents you from, say, doing
updates to the same dataset you're running FTP against.
FSVO "you". You could meddle with a concurrent batch job.
... I would expect
normal enqueues to prevent that instead of locking you out of the entire
TSO session. Note this was late 1990's ...
Unless FTP and TSO are in the same ASID.
It wasn't intended to be foolproof; oonly to give you a warm feeling.
IND$FILE of course locks up the TSO terminal because it's a command and
commands lock you up until they complete. ...
Now that fork() exists the lock should be unnecessary.
IBM is historically slow to grasp the idea of multiprocessing.
Does ISPF LMPUT now support concurrent update of different
members of the same PDSE , for which ISPF required ENQ DSN EXC.
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