pthread_mutex_trylock   85 src/dps8/threadz.c     rc = pthread_mutex_trylock (& libuv_lock);
pthread_mutex_trylock  320 src/dps8/threadz.c     rc = pthread_mutex_trylock (& tst_lock);
pthread_mutex_trylock   63 src/dps8/threadz.h 
pthread_mutex_trylock   67 src/libsir/src/sirmutex.c         int op = pthread_mutex_trylock(mutex);