tst_lock 297 src/dps8/threadz.c static pthread_mutex_t tst_lock = PTHREAD_MUTEX_INITIALIZER; tst_lock 303 src/dps8/threadz.c rc = pthread_mutex_lock (& tst_lock); tst_lock 312 src/dps8/threadz.c rc = pthread_mutex_unlock (& tst_lock); tst_lock 323 src/dps8/threadz.c rc = pthread_mutex_trylock (& tst_lock); tst_lock 330 src/dps8/threadz.c rc = pthread_mutex_unlock (& tst_lock);