Summary description for IPUtil.

Summary description for ORBUtil.

A reader-writer lock implementation that is intended to be simple, yet very efficient. In particular only 1 interlocked operation is taken for any lock operation (we use spin locks to achieve this). The spin lock is never held for more than a few instructions (in particular, we never call event APIs or in fact any non-trivial API while holding the spin lock). This class was derived from the ReaderWriterLock presented by Vance Morrison.

Locking mechanism.