PTHREAD_MUTEX_ADAPTIVE_NP  684 src/dps8/dps8_disk.c         pthread_mutexattr_settype (& scu_attr, PTHREAD_MUTEX_ADAPTIVE_NP);
PTHREAD_MUTEX_ADAPTIVE_NP  962 src/dps8/threadz.c     pthread_mutexattr_settype(&scu_attr, PTHREAD_MUTEX_ADAPTIVE_NP);