public StReentrantFairLock() {
     flock = new StFairLock();
 }
 public StReentrantFairLock()
 {
     flock = new StFairLock();
 }
 public StReentrantFairLock(int spinCount) {
     flock = new StFairLock(spinCount);
 }
 public StReentrantFairLock(int spinCount)
 {
     flock = new StFairLock(spinCount);
 }