Ed said 
> The main reason for using ASCBINTS is that it is accessible from the
> address space that schedules the SRB. The TTOKEN of the "cross memory
> owning" TCB isn't. That TCB and its TTOKEN reside in the SRB
schedulee's
> private area, thus creating a "chicken and egg" problem.

True, but Jim's point was for the SRB routine to save it after the first
schedule and arrange to pass that value as a parameter and use it for
validation on dispatch during the second and subsequent schedules. At
least that is how I interpreted it.

CC

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