多线程之同步和死锁(转载)
2010-03-05 15:14 爱研究源码的javaer 阅读(275) 评论(0) 编辑 收藏 举报
class Program
{
private static Object objA = new Object();
private static Object objB = new Object();
public static void LockA()
{
if (Monitor.TryEnter(objA, 1000))
{
Thread.Sleep(1000);
if (Monitor.TryEnter(objB, 2000))
{
Monitor.Exit(objB);
}
else
{
Console.WriteLine("LockB timeout");
}
Monitor.Exit(objA);
}
Console.WriteLine("LockA");
}
public static void LockB()
{
if (Monitor.TryEnter(objB, 2000))
{
Thread.Sleep(2000);
if (Monitor.TryEnter(objA, 1000))
{
Monitor.Exit(objA);
}
else
{
Console.WriteLine("LockA timeout");
}
Monitor.Exit(objB);
}
Console.WriteLine("LockB");
}
public static void Main()
{
Thread threadA = new Thread(LockA);
Thread threadB = new Thread(LockB);
threadA.Start();
threadB.Start();
Thread.Sleep(4000);
Console.WriteLine("线程结束");
}
}
转自:http://www.cnblogs.com/nokiaguy/archive/2008/07/31/1257625.html
{
private static Object objA = new Object();
private static Object objB = new Object();
public static void LockA()
{
if (Monitor.TryEnter(objA, 1000))
{
Thread.Sleep(1000);
if (Monitor.TryEnter(objB, 2000))
{
Monitor.Exit(objB);
}
else
{
Console.WriteLine("LockB timeout");
}
Monitor.Exit(objA);
}
Console.WriteLine("LockA");
}
public static void LockB()
{
if (Monitor.TryEnter(objB, 2000))
{
Thread.Sleep(2000);
if (Monitor.TryEnter(objA, 1000))
{
Monitor.Exit(objA);
}
else
{
Console.WriteLine("LockA timeout");
}
Monitor.Exit(objB);
}
Console.WriteLine("LockB");
}
public static void Main()
{
Thread threadA = new Thread(LockA);
Thread threadB = new Thread(LockB);
threadA.Start();
threadB.Start();
Thread.Sleep(4000);
Console.WriteLine("线程结束");
}
}
转自:http://www.cnblogs.com/nokiaguy/archive/2008/07/31/1257625.html