Added AtomicIncr and AtomicDecr to the machine-dependent class to use the same locking procedure.
Added AtomicIncr and AtomicDecr to the machine-dependent class to use the
same locking procedure.


git-svn-id: 98787b36aaefbae4b30fa755be920954cd25e1e4@192 ae7d391e-3f74-4a2b-a0db-a8776840fd2a

dcjm/polyml,mn200/polyml,mn200/polyml,dcjm/polyml,dcjm/polyml,polyml/polyml,polyml/polyml,mn200/polyml,mn200/polyml,polyml/polyml,dcjm/polyml,polyml/polyml