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