#include <db_cxx.h> int DbEnv::mutex_get_align(u_int32_t *alignp);
         The DbEnv::mutex_get_align() method returns the mutex alignment, in
         bytes.
    
         The DbEnv::mutex_get_align() method may be called at any time during
         the life of the application.
    
         The DbEnv::mutex_get_align() 
            
            
                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.