System.Transactions.TransactionStatePromotedPhase1.EnterState C# (CSharp) Method

        internal override void EnterState(InternalTransaction tx)
        {
            CommonEnterState(tx);

            if (tx._committableTransaction != null)
            {
                // If we have a committable transaction then mark it as complete.
                tx._committableTransaction._complete = true;
            }

            // If at this point there are phase1 dependent clones abort the transaction
            if (tx._phase1Volatiles._dependentClones != 0)
            {
                tx.State.ChangeStateTransactionAborted(tx, null);
                return;
            }

            // Get a copy of the current volatile enlistment count before entering this loop so that other
            // threads don't affect the operation of this loop.
            int volatileCount = tx._phase1Volatiles._volatileEnlistmentCount;

            // Check to see if we still need to send out volatile prepare notifications or if
            // they are all done.  They may be done if the transaction was already in phase 0
            // before it got promoted.
            if (tx._phase1Volatiles._preparedVolatileEnlistments < volatileCount)
            {
                // Broadcast preprepare to the volatile subordinates
                for (int i = 0; i < volatileCount; i++)
                {
                    tx._phase1Volatiles._volatileEnlistments[i]._twoPhaseState.ChangeStatePreparing(
                        tx._phase1Volatiles._volatileEnlistments[i]);
                    if (!tx.State.ContinuePhase1Prepares())
                    {
                        break;
                    }
                }
            }
            else
            {
                Phase1VolatilePrepareDone(tx);
            }
        }