static void Main(string[] args)
{
Semaphore semaphore = new Semaphore(1);
LightSwitch lightSwitch = new LightSwitch(semaphore);
for (int i = 0; i < 2; i++)
{
new Thread(() =>
{
while (true)
{
Random random = new Random();
Console.WriteLine("{0} acquiring semaphore", Thread.CurrentThread.Name);
semaphore.Acquire();
Console.WriteLine("{0} acquired semaphore", Thread.CurrentThread.Name);
Thread.Sleep(random.Next(1500, 3000));
Console.WriteLine("{0} releasing semaphore", Thread.CurrentThread.Name);
semaphore.Release();
Thread.Sleep(random.Next(2000, 5000));
}
}) { Name = "Sem " + i }.Start();
}
for (int i = 0; i < 4; i++)
{
new Thread(() =>
{
while (true)
{
Random random = new Random();
Console.WriteLine("{0} acquiring lightswitch", Thread.CurrentThread.Name);
lightSwitch.Acquire();
Console.WriteLine("{0} acquired lightswitch", Thread.CurrentThread.Name);
Thread.Sleep(random.Next(500, 1000));
Console.WriteLine("{0} releasing lightswitch", Thread.CurrentThread.Name);
lightSwitch.Release();
Thread.Sleep(random.Next(500, 1500));
}
}) { Name = "LS " + i }.Start();
}
}
public ReaderWriterLock()
{
readPerm = new LightSwitch(writePerm);
}