static void Main(string[] args)
{
const int numPhilosophers = 5;
// 5 utencils on the left and right of each philosopher. Use them to acquire locks.
var chopsticks = new Dictionary <int, object>(numPhilosophers);
for (int i = 0; i < numPhilosophers; ++i)
{
chopsticks.Add(i, new object());
}
// This is where we create philosophers, each of 5 tasks represents one philosopher.
Task[] tasks = new Task[numPhilosophers];
tasks[0] = new Task(() => Philoshoper.Eat(chopsticks[0], chopsticks[numPhilosophers - 1], 0 + 1, 1, numPhilosophers));
for (int i = 1; i < numPhilosophers; ++i)
{
int ix = i;
tasks[ix] = new Task(() => Philoshoper.Eat(chopsticks[ix - 1], chopsticks[ix], ix + 1, ix, ix + 1));
}
// May eat!
Parallel.ForEach(tasks, t =>
{
t.Start();
});
// Wait for all philosophers to finish their dining
Task.WaitAll(tasks);
//Console.WriteLine("\nPress any key to exit.");
//Console.ReadKey(false);
}
static void Main(string[] args)
{
Stopwatch timePerParse1;
long ticksThisTime = 0;
timePerParse1 = Stopwatch.StartNew();
// init Forks
var Forks = new List <Fork>(PHILOSOPHER_COUNT);
for (int i = 0; i < PHILOSOPHER_COUNT; ++i)
{
Forks.Add(new Fork(i));
}
// init philosophers
// first philosopher
Task[] tasks = new Task[PHILOSOPHER_COUNT];
tasks[0] = new Task(() => Philoshoper.Eat(Forks[0], Forks[PHILOSOPHER_COUNT - 1], 1, 1, PHILOSOPHER_COUNT));
// other philosophers
for (int i = 1; i < PHILOSOPHER_COUNT; ++i)
{
int ix = i;
tasks[ix] = new Task(() => Philoshoper.Eat(Forks[ix - 1], Forks[ix], ix + 1, ix, ix + 1));
}
// dinner starts
Console.WriteLine("Dinner starts!");
Parallel.ForEach(tasks, t =>
{
t.Start();
});
// Wait until all philosophers finished
Task.WaitAll(tasks);
timePerParse1.Stop();
ticksThisTime = timePerParse1.ElapsedTicks;
Console.WriteLine("Program ran " + ticksThisTime + "ms");
Console.WriteLine("Dinner done!");
Console.ReadLine();
}
static void Main(string[] args)
{
// init Forks
var Forks = new List <Fork>(PHILOSOPHER_COUNT);
for (int i = 0; i < PHILOSOPHER_COUNT; ++i)
{
Forks.Add(new Fork(i));
}
// init philosophers
// first philosopher
Task[] tasks = new Task[PHILOSOPHER_COUNT];
tasks[0] = new Task(() => Philoshoper.Eat(Forks[0], Forks[PHILOSOPHER_COUNT - 1], 1, 1, PHILOSOPHER_COUNT));
// other philosophers
for (int i = 1; i < PHILOSOPHER_COUNT; ++i)
{
int ix = i;
tasks[ix] = new Task(() => Philoshoper.Eat(Forks[ix - 1], Forks[ix], ix + 1, ix, ix + 1));
}
// dinner starts
Console.WriteLine("Dinner starts!");
Parallel.ForEach(tasks, t =>
{
t.Start();
});
// Wait until all philosophers finished
Task.WaitAll(tasks);
Console.WriteLine("Dinner done!");
Console.ReadLine();
}
