On 12/05/2012 05:50 AM, Clem Clarke wrote:
I agree. MFT had a P command too, as I recall. You had to be able to stop the readers and writers, even though TSO, multitasking and all the good stuff hadn't been invented yet.

Clem

Several "started tasks" programs around do not need
"authorized" features. During development, non system
programmers just ran the job, and had programmed
a WTOR to send commands to the beast to finish it

making a START PBEAST probably tries to find the outstanding wtor
and give the right answer.  It could do something additional to
clean up whatever.

this is just a hypothesis.

25 years ago I wrote a little encapsulation program that reacted
to stop/modify and communicated with some function inside some subtask
via a simple wait/post mechanism (which replaced an existing wtor logic)

/P

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