cms-sw/cmssw — pull request #4092 by wmtan (2014-06-02 18:20:06+00:00)
Title: Add mutexes for thread safe use of TBaseClass

In ROOT 5, the use of TBaseClass is not thread safe. This pull request, issued at the request of Chris Jones,
adds mutexes for CINT around the uses of TBaseClass, except for those in Fireworks, since Fireworks need not be thread safe.