MY_PROCESSOR ()

  Class:  Inquiry function - Specific

  Returns the identifying number of the calling process.  This is a
  specific function that has no generic function associated with it.
  It must not be passed as an actual argument.

  The result is a scalar of type default integer.  The result value
  is the identifying number of the physical processor from which the
  call is made.

  The value is in the range 0 to "n"-1, where "n" is the value
  returned by NUMBER_OF_PROCESSORS.