public void EatWith(Spoon spoon, Diner spouse)
{
while (IsHungry)
{
// Don't have the spoon, so wait patiently for spouse.
if (spoon.Owner != this)
{
try
{
Thread.Sleep(1);
}
catch (ThreadInterruptedException)
{
}
continue;
}
// If spouse is hungry, insist upon passing the spoon.
if (spouse.IsHungry)
{
Console.WriteLine("{0}: You eat first my darling {1}!", Name, spouse.Name);
spoon.SetOwner(spouse);
continue;
}
// Spouse wasn't hungry, so finally eat
spoon.Use();
IsHungry = false;
Console.WriteLine("{0}: I am stuffed, my darling {1}!", Name, spouse.Name);
spoon.SetOwner(spouse);
}
}
public static void Main(string[] args)
{
var husband = new Diner("Bob");
var wife = new Diner("Alice");
var s = new Spoon(husband);
Task.WaitAll(
Task.Run(() => husband.EatWith(s, wife)),
Task.Run(() => wife.EatWith(s, husband))
);
}
