public void TransferUsingLockOrdering(BankAccount otherAcct, decimal money)
{
Object firstlock;
Object secondlock;
ChooseLocks(this, otherAcct, out firstlock, out secondlock);
Console.WriteLine("{3} Transfer {2:C0} from AccID: {0} to AccID: {1}", otherAcct.acctID, this.acctID, money, Thread.CurrentThread.Name);
lock (firstlock)
{
Thread.Sleep(100);
lock (secondlock)
{
otherAcct.Debit(money);
this.Credit(money);
}
}
}
public void Transfer(BankAccount otherAcct, decimal money)
{
Mutex[] mut = { this._lockMutex, otherAcct._lockMutex};
Console.WriteLine("{3} Transfer {2:C0} from AccID: {0} to AccID: {1}", otherAcct.acctID, this.acctID, money, Thread.CurrentThread.Name);
if (WaitHandle.WaitAll(mut))
{
try
{
Thread.Sleep(100);
{
otherAcct.Debit(money);
this.Credit(money);
}
}
finally
{
foreach (Mutex m in mut)
{
m.ReleaseMutex();
}
}
}
}
public void Transfer(BankAccount otherAcct, decimal money)
{
Mutex[] mut = { this._lockMutex, otherAcct._lockMutex };
Console.WriteLine("{3} Transfer {2:C0} from AccID: {0} to AccID: {1}", otherAcct.acctID, this.acctID, money, Thread.CurrentThread.Name);
if (WaitHandle.WaitAll(mut))
{
try
{
Thread.Sleep(100);
{
otherAcct.Debit(money);
this.Credit(money);
}
}
finally
{
foreach (Mutex m in mut)
{
m.ReleaseMutex();
}
}
}
}
public void TransferUsingLockOrdering(BankAccount otherAcct, decimal money)
{
Object firstlock;
Object secondlock;
ChooseLocks(this, otherAcct, out firstlock, out secondlock);
Console.WriteLine("{3} Transfer {2:C0} from AccID: {0} to AccID: {1}", otherAcct.acctID, this.acctID, money, Thread.CurrentThread.Name);
lock (firstlock)
{
Thread.Sleep(100);
lock (secondlock)
{
otherAcct.Debit(money);
this.Credit(money);
}
}
}