public static void ReaderUpdateToWriterTest()
{
RwLockTest obj = new RwLockTest();
Thread t = new Thread(obj.ReaderUpdateToWriter);
t.Start();
}
public static void WriterReenlockTest()
{
RwLockTest obj = new RwLockTest();
for (int i = 0; i < 3; i++)
{
Thread t = new Thread(obj.WriterReenlock);
t.Name = i + "-";
t.Start();
t = new Thread(obj.Reader);
t.Name = i + "-reader-";
t.Start();
}
}
public static void WriterRequestForReaderTest()
{
RwLockTest obj = new RwLockTest();
for (int i = 0; i < 3; i++)
{
/*写降级为读*/
Thread t = new Thread(obj.WriterRequestForReader);
t.Name = i + "-";
t.Start();
/*读和读重入*/
t = new Thread(obj.Reader);
t.Name = i + "-pure_reader-";
t.Start();
}
}
/*
* 读者和写者的测试，包括了读锁的可重入测试。
* 测试方法：
* Writer 和 Reader 两个函数每隔50ms交替调用一次， 在Reader里面测试读锁的重入
* 输出：
* 先进行三个Writer操作，切三个Writer是按照顺序进行写。
* Reader操作和重入的Reader操作是并发执行的，可以看到Reader的序号是交替的。
* **/
public static void ReaderAndWriterTest()
{
RwLockTest obj = new RwLockTest();
Thread t;
for (int i = 0; i < 6; i++)
{
bool readOrWrite = 0 == i % 2;
t = readOrWrite ? new Thread(obj.Writer) : new Thread(obj.Reader);
t.Name = readOrWrite ? i / 2 + "-Writer " : (i / 2) + "-Reader";
if (readOrWrite)
{
t.Start(i % 2);
}
else
{
t.Start();
}
Thread.Sleep(50);
}
}
