30     [[maybe_unused]]int rc  = pthread_mutex_destroy(&mutex_);  in ~Mutex()  local
36     [[maybe_unused]]int rc = pthread_mutex_init(&mutex_, attrs);  in Init()  local
42     [[maybe_unused]]int rc = pthread_mutex_lock(&mutex_);  in Lock()  local
48     int rc = pthread_mutex_trylock(&mutex_);  in TryLock()  local
60     [[maybe_unused]]int rc = pthread_mutex_unlock(&mutex_);  in Unlock()  local
74     [[maybe_unused]]int rc = pthread_rwlock_init(&rwlock_, nullptr);  in RWLock()  local
80     [[maybe_unused]]int rc = pthread_rwlock_destroy(&rwlock_);  in ~RWLock()  local
86     [[maybe_unused]]int rc = pthread_rwlock_rdlock(&rwlock_);  in ReadLock()  local
92     [[maybe_unused]]int rc = pthread_rwlock_wrlock(&rwlock_);  in WriteLock()  local
98     int rc = pthread_rwlock_tryrdlock(&rwlock_);  in TryReadLock()  local
110     int rc = pthread_rwlock_trywrlock(&rwlock_);  in TryWriteLock()  local
122     [[maybe_unused]]int rc = pthread_rwlock_unlock(&rwlock_);  in Unlock()  local
128     [[maybe_unused]]int rc = pthread_cond_init(&cond_, nullptr);  in ConditionVariable()  local
134     [[maybe_unused]]int rc = pthread_cond_destroy(&cond_);  in ~ConditionVariable()  local
140     [[maybe_unused]]int rc = pthread_cond_signal(&cond_);  in Signal()  local
146     [[maybe_unused]]int rc = pthread_cond_broadcast(&cond_);  in SignalAll()  local
152     [[maybe_unused]]int rc = pthread_cond_wait(&cond_, &mutex->mutex_);  in Wait()  local
179     int rc = pthread_cond_timedwait(&cond_, &mutex->mutex_, &abs_time);  in TimedWait()  local