23 #define FATAL_IF_ERROR(f, rc)                             \  argument
30 #define FATAL_IF_ERROR(f, rc) static_cast<void>(0)  argument
63     [[maybe_unused]] int rc = pthread_mutex_destroy(&mutex_);  in ~Mutex()  local
69     [[maybe_unused]] int rc = pthread_mutex_init(&mutex_, attrs);  in Init()  local
75     [[maybe_unused]] int rc = pthread_mutex_lock(&mutex_);  in Lock()  local
81     int rc = pthread_mutex_trylock(&mutex_);  in TryLock()  local
93     [[maybe_unused]] int rc = pthread_mutex_unlock(&mutex_);  in Unlock()  local
136     [[maybe_unused]]int rc = pthread_cond_init(&cond_, nullptr);  in ConditionVariable()  local
142     [[maybe_unused]]int rc = pthread_cond_destroy(&cond_);  in ~ConditionVariable()  local
148     [[maybe_unused]]int rc = pthread_cond_signal(&cond_);  in Signal()  local
154     [[maybe_unused]]int rc = pthread_cond_broadcast(&cond_);  in SignalAll()  local
160     [[maybe_unused]]int rc = pthread_cond_wait(&cond_, &mutex->mutex_);  in Wait()  local