public override void Dispose()
{
// NOTE that despite the use of Interlocked here, this class is not thread-safe
var innerHandle = Interlocked.Exchange(ref this.baseHandle, null);
if (innerHandle != null)
{
// sp_getapplock must be exited for each time it is entered
this.upgradedHandle?.Dispose();
innerHandle.Dispose();
this.@lock = null;
}
}
public InternalUpgradeableHandle(SqlDistributedReaderWriterLock @lock, IDisposable baseHandle)
{
this.@lock = @lock;
this.baseHandle = baseHandle;
}