file: job.t package: muf status: alpha
This operator saves @$s.actingUser on the loop stack in a
USER frame, then sets @$s.actingUser to the owner
of the currently executing function. This is analogous to doing
set-uid on unix, and is intended to be the usual way for
one user to grant privileges to another.
Use popUserFrame to undo the effect: See section pushLockframe.
See section `JOB_STACKFRAME_USER' in Muq Source Code.
See section `Loop Stacks' in Muq Source Code.
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