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The Question is:
Is there a system call that returns the run level of the current process
(kernel, executive, user)?
The Answer is :
Please review the contents of the PSL, the Processor Status Longword.
This system register is available directly to application code. See
the C __PAL_RD_PS built-in, as well as the underlying PALcode call.
In general, the current processor mode is of less interest than the
previous mode as used within one of the the probes operation -- these
probe operations are described in the driver documentation, and there
are C built-in routines such as __PAL_PROBER and __PAL_PROBEW.
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