#include <db_cxx.h> int DbEnv::mutex_get_max(u_int32_t *maxp);
         The DbEnv::mutex_get_max() method returns the total number of
         mutexes allocated. This method is deprecated.
    
         The DbEnv::mutex_get_max() method may be called at any time during
         the life of the application.
    
         The DbEnv::mutex_get_max() 
            
            
                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.