static WorkQueue commonSubmitterQueue(){
  ForkJoinPool p=common;
  int r=ThreadLocalRandom.getProbe();
  WorkQueue[] ws;
  int m;
  return (p != null && (ws=p.workQueues) != null && (m=ws.length - 1) >= 0) ? ws[m & r & SQMASK] : null;
}

static WorkQueue commonSubmitterQueue ( ) { ForkJoinPool p = common ; int r = ThreadLocalRandom . getProbe ( ) ; WorkQueue [ ] ws ; int m ; return ( p != null && ( ws = p . workQueues ) != null && ( m = ws . length - 1 ) >= 0 ) ? ws [ m & r & SQMASK ] : null ; }
returns common pool queue for an external thread .
