mutex_debug       212 thread_pthread.c     mutex_debug("lock", lock);
mutex_debug       222 thread_pthread.c     mutex_debug("unlock", lock);
mutex_debug       232 thread_pthread.c     mutex_debug("trylock", lock);
mutex_debug       248 thread_pthread.c     mutex_debug("init", lock);
mutex_debug       258 thread_pthread.c     mutex_debug("destroy", lock);