public void TestMethod1()
{
ReaderWriterLockHelper readerWriterLock = new ReaderWriterLockHelper();
AutoResetEvent autoResetEvent = new AutoResetEvent(false);
int threadNumber = 3;
int value = 10000;
new Thread(() => {
while (true)
{
bool needBreak = false;
readerWriterLock.Read(() => {
if (value <= 0)
{
needBreak = true;
return;
}
Console.WriteLine($"线程 {Thread.CurrentThread.Name} 计数 {value}");
});
if (needBreak)
{
break;
}
}
threadNumber--;
if (threadNumber <= 0)
{
autoResetEvent.Set();
}
})
{
Name = "读"
}.Start();
new Thread(() => {
while (true)
{
bool needBreak = false;
readerWriterLock.Write(() => {
if (value <= 0)
{
needBreak = true;
return;
}
value--;
Console.WriteLine($"线程 {Thread.CurrentThread.Name} 计数 {value}");
});
if (needBreak)
{
break;
}
}
threadNumber--;
if (threadNumber <= 0)
{
autoResetEvent.Set();
}
})
{
Name = "写"
}.Start();
new Thread(() => {
while (true)
{
if (!readerWriterLock.TryEnterReadLock())
{
continue;
}
try {
if (!readerWriterLock.TryEnterWriteLock(out ReaderWriterLockCookie cookie))
{
continue;
}
try {
if (value <= 0)
{
break;
}
value--;
Console.WriteLine($"线程 {Thread.CurrentThread.Name} 计数 {value}");
} finally {
readerWriterLock.ExitWriteLock(ref cookie);
}
} finally {
readerWriterLock.ExitReadLock();
}
}
threadNumber--;
if (threadNumber <= 0)
{
autoResetEvent.Set();
}
})
{
Name = "读写"
}.Start();
