internal static ReadLockScope Create(ReaderWriterLockSlim readerWriterLock)
{
if (readerWriterLock == null)
{
throw new ArgumentNullException("readerWriterLock");
}
ReadLockScope readLockScope = new ReadLockScope(readerWriterLock);
readLockScope.Acquire();
return(readLockScope);
}
internal ReadLockScope Downgrade()
{
if (base.IsDisposed)
{
throw new ObjectDisposedException(base.GetType().Name);
}
if (!this.lockChanged && !this.upgradeableReadLockExited)
{
this.lockChanged = true;
ReadLockScope result = ReadLockScope.Create(base.ScopedReaderWriterLock);
this.Release();
return(result);
}
return(null);
}