public static void TestReader(ReadWriteLock readWriteLock)
{
readWriteLock.ReadLock();
Thread.Sleep(500);
//Console.WriteLine(Thread.CurrentThread.Name + "执行完毕");
readWriteLock.ReadUnlock();
}
public static void Add(ReadWriteLock readWriteLock)
{
for (int i = 0; i < 100000000; i++)
{
readWriteLock.WriteLock();
N++;
readWriteLock.WriteUnlock();
}
}
public static void TestReentrantWriter(ReadWriteLock readWriteLock)
{
readWriteLock.WriteLock();
readWriteLock.WriteLock();
readWriteLock.WriteLock();
readWriteLock.WriteLock();
Thread.Sleep(1000);
readWriteLock.WriteUnlock();
readWriteLock.WriteUnlock();
readWriteLock.WriteUnlock();
readWriteLock.WriteUnlock();
}
static void CreateThread(bool share, int i, ReadWriteLock readWriteLock)
{
Thread thread;
if (share)
{
thread = new Thread(() => TestReader(readWriteLock));
thread.Name = "Reader-" + i;
}
else
{
thread = i == 5 ? new Thread(() => TestReentrantWriter(readWriteLock)) : new Thread(() => TestWriter(readWriteLock));
thread.Name = "Writer-" + i;
}
thread.Start();
}
static void TestLock()
{
var start = DateTime.Now;
ReadWriteLock readWriteLock = new ReadWriteLock();
Thread thread1 = new Thread(() => Add(readWriteLock));
Thread thread2 = new Thread(() => Add(readWriteLock));
thread1.Name = "thread1";
thread2.Name = "thread2";
thread1.Start();
thread2.Start();
thread1.Join();
thread2.Join();
Console.WriteLine(number.GetNum());
Console.WriteLine(DateTime.Now - start);
}
public static void Main(string[] args)
{
ReadWriteLock readWriteLock = new ReadWriteLock();
for (int i = 1; i <= 10; i++)
{
CreateThread(false, i, readWriteLock);
}
for (int i = 1; i <= 20; i++)
{
CreateThread(true, i, readWriteLock);
}
for (int i = 0; i < 100; i++)
{
Thread.Sleep(500);
readWriteLock.PrintQueue();
}
Console.ReadKey();
}
