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如何使用C#读写锁ReaderWriterLockSlim

2019-12-26 13:08:45于海丽
  • if (i % 25 != 0)  { 
  • var t = Task.Factory.StartNew(ReadSomething_lock);  lstTask.Add(t); 
  • }  else 
  • {  var t = Task.Factory.StartNew(WriteSomething_lock); 
  • lstTask.Add(t);  } 
  • }  Task.WaitAll(lstTask.ToArray()); 
  • sw.Stop();  Console.WriteLine("使用lock方式，耗时：" + sw.Elapsed); 
  • }  static private object _lock1 = new object(); 
  • static public void ReadSomething_lock()  { 
  • lock (_lock1)  { 
  • //Console.WriteLine("{0} Thread ID {1} reading sth...", DateTime.Now.ToString("hh:mm:ss fff"), Thread.CurrentThread.GetHashCode());  Thread.Sleep(10);//模拟读取信息 
  • //Console.WriteLine("{0} Thread ID {1} reading end.", DateTime.Now.ToString("hh:mm:ss fff"), Thread.CurrentThread.GetHashCode());  } 
  • }  static public void WriteSomething_lock() 
  • {  lock (_lock1) 
  • {  //Console.WriteLine("{0} Thread ID {1} writing sth...", DateTime.Now.ToString("hh:mm:ss fff"), Thread.CurrentThread.GetHashCode()); 
  • Thread.Sleep(100);//模拟写入信息  //Console.WriteLine("{0} Thread ID {1} writing end.", DateTime.Now.ToString("hh:mm:ss fff"), Thread.CurrentThread.GetHashCode()); 
  • }  } 
  • static public void ReadSomething()  { 
  • rwl.EnterReadLock();  try 
  • {  //Console.WriteLine("{0} Thread ID {1} reading sth...", DateTime.Now.ToString("hh:mm:ss fff"), Thread.CurrentThread.GetHashCode()); 
  • Thread.Sleep(10);//模拟读取信息  //Console.WriteLine("{0} Thread ID {1} reading end.", DateTime.Now.ToString("hh:mm:ss fff"), Thread.CurrentThread.GetHashCode()); 
  • }  finally 
  • {  rwl.ExitReadLock(); 
  • }  } 
  • static public void WriteSomething()  { 
  • rwl.EnterWriteLock();  try 
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