public static void DoTransaction(PersonWallet deductFrom, PersonWallet addTo, int amount)
{
bool ex = false;
try
{
lock (deductFrom)
{
deductFrom.Amount -= amount;
}
}
catch
{
ex = true;
}
if (!ex)
{
try
{
lock (addTo)
{
addTo.Amount += amount;
}
}
catch (Exception e)
{
deductFrom.Amount += amount;
}
}
}
static void Main(string[] args)
{
PersonWallet p1 = new PersonWallet("p1", 1000);
PersonWallet p2 = new PersonWallet("p2", 1000);
PersonWallet p3 = new PersonWallet("p3", 1000);
Thread t1 = new Thread(() => WalletOperation.DoTransaction(p1, p2, 1000));
Thread t2 = new Thread(() => WalletOperation.DoTransaction(p1, p3, 1000));
t1.Start();
t2.Start();
t1.Join();
t2.Join();
Console.WriteLine(p1.Amount + " " + p2.Amount + " " + p3.Amount);
Console.ReadLine();
}