System.Transactions.Bucket.Add C# (CSharp) Method

        internal bool Add(InternalTransaction tx)
        {
            int currentIndex = Interlocked.Increment(ref _index);
            if (currentIndex < _size)
            {
                tx._tableBucket = this;
                tx._bucketIndex = currentIndex;
                Interlocked.MemoryBarrier(); // This data must be written before the transaction
                                             // could be timed out.
                _transactions[currentIndex] = tx;

                if (_timedOut)
                {
                    lock (tx)
                    {
                        tx.State.Timeout(tx);
                    }
                }
            }
            else
            {
                Bucket newBucket = new Bucket(_owningSet);
                newBucket.nextBucketWeak = new WeakReference(this);

                Bucket oldBucket = Interlocked.CompareExchange(ref _owningSet.headBucket, newBucket, this);
                if (oldBucket == this)
                {
                    // ladies and gentlemen we have a winner.
                    _previous = newBucket;
                }

                return false;
            }
            return true;
        }

 internal void Add(InternalTransaction newTx)
 {
     while (!headBucket.Add(newTx))
     {
         ;
     }
 }