rem: err = pthread_cond_init(&master.cond, NULL);
add: err = pthread_cond_init(&master.cond, COND_INIT_ATTR);
context: InitMaster(void){    int err;    master.owner = 0;    master.count = 0;    err = pthread_mutex_init(&master.lock, NULL);    if (err != 0) {        NsThreadFatal("InitMaster", "pthread_mutex_init", err);    }    err = pthread_cond_init(&master.cond, NULL);    if (err != 0) {        NsThreadFatal("InitMaster", "pthread_cond_init", err);    }}