Why doesn't C# allow a null value to be locked?

Question

C# doesn\'t allow locking on a null value. I suppose I could check whether the value is null or not before I lock it, but because I haven\'t locked it another thread could c

Answer 1

You cannot lock on a null value because the CLR has no place to attach the SyncBlock to, which is what allows the CLR to synchronize access to arbitrary objects via Monitor.Enter/Exit (which is what lock uses internally)