#include <db_cxx.h> int DbEnv::get_thread_count(u_int32_t *countp);
            The DbEnv::get_thread_count() method returns the thread count as set by the
            DbEnv::set_thread_count() method.
    
         The DbEnv::get_thread_count() method may be called at any time
         during the life of the application.
    
         The DbEnv::get_thread_count() 
            
            
                method either returns a non-zero error value or throws an
                exception that encapsulates a non-zero error value on
                failure, and returns 0 on success.