iom_lock 276 src/dps8/threadz.c static pthread_mutex_t iom_lock; iom_lock 281 src/dps8/threadz.c rc = pthread_mutex_lock (& iom_lock); iom_lock 289 src/dps8/threadz.c rc = pthread_mutex_unlock (& iom_lock); iom_lock 972 src/dps8/threadz.c pthread_mutex_init (& iom_lock, & iom_attr);