static void Main(string[] args)
{
Console.WriteLine("Hello World!");
ReadWriteLock readWriteLock = new ReadWriteLock();
testReentrantWriter(readWriteLock);
Console.WriteLine();
Console.WriteLine("测试多读者、写者并发: (每次在有线程退出时打印当前队列中的运行、等待的线程)");
for (int i = 0; i < 30; i++)
{
Thread thread;
if (i % 3 == 0)
{
thread = new Thread(() => testWriter(readWriteLock));
//Console.WriteLine("创建了一个读线程");
}
else
{
thread = new Thread(() => testReader(readWriteLock));
//Console.WriteLine("创建了一个写线程");
}
thread.Start();
}
}
public static void testLock(ReadWriteLock readWriteLock)
{
for (int i = 0; i < 100000; i++)
{
readWriteLock.WriteLock();
num++;
readWriteLock.WriteUnlock();
}
}
public static void testReentrantReader(ReadWriteLock readWriteLock)
{
for (int i = 0; i < 3; i++)
{
readWriteLock.ReadLock();
}
for (int i = 0; i < 3; i++)
{
readWriteLock.ReadUnlock();
}
}
public static void testReentrantWriter(ReadWriteLock readWriteLock)
{
readWriteLock.WriteLock();
readWriteLock.WriteLock();
readWriteLock.WriteLock();
readWriteLock.WriteLock();
Console.WriteLine("Test Reentrant Writer");
readWriteLock.WriteUnlock();
readWriteLock.WriteUnlock();
readWriteLock.WriteUnlock();
readWriteLock.WriteUnlock();
}
static void Main(string[] args)
{
ReadWriteLock readWriteLock = new ReadWriteLock();
Console.WriteLine("------------------读写锁已建立------------------");
Console.WriteLine("----------测试一：单独测试重入写锁---------");
testReentrantWriter(readWriteLock);
Console.WriteLine();
Console.WriteLine("----------测试二：单独测试重入读锁---------");
testReentrantReader(readWriteLock);
Console.WriteLine();
Console.WriteLine("----------测试三：读者、写者混合测试---------");
Mixedtest(readWriteLock);
Console.WriteLine();
}
public static void Mixedtest(ReadWriteLock readWriteLock)
{
Random rd = new Random();
for (int i = 0; i < 10; i++)
{
int num = rd.Next(1, 10);
Thread thread;
if (num % 2 == 0)
{
thread = new Thread(() => testWriter(readWriteLock));
}
else
{
thread = new Thread(() => testReader(readWriteLock));
}
thread.Start();
}
}
public static void testReader(ReadWriteLock readWriteLock)
{
readWriteLock.ReadLock();
Thread.Sleep(300);
readWriteLock.ReadUnlock();
}
public static void testWriter(ReadWriteLock readWriteLock)
{
readWriteLock.WriteLock();
Thread.Sleep(600);
readWriteLock.WriteUnlock();
}
