在.net 3.5中增加了一个System.Threading.ReaderWriterLockSlim类,表示用于管理资源访问的锁定状态,可实现多线程读取或进行独占式的写入访问。
代码
private static System.Threading.ReaderWriterLockSlim _readWriterLock = new System.Threading.ReaderWriterLockSlim();
public static void WriteLineLog(string message)
{
_readWriterLock.EnterWriteLock();
try
{
using (StreamWriter sw = new StreamWriter(_logPath, true))
{
{
_readWriterLock.ExitWriteLock();
}
}
public static void WriteLineLog(string message)
{
_readWriterLock.EnterWriteLock();
try
{
using (StreamWriter sw = new StreamWriter(_logPath, true))
{
string prefix = System.DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + " : ";
sw.WriteLine(prefix
+ message); sw.Flush();
sw.Close();
}
}
{
_readWriterLock.ExitWriteLock();
}
}
如上面使用它时,要小心死锁,建议用超时方法。 _readWriterLock.TryEnterWriteLock(30);如果超时,则退出。