440     bool done = false;  in ExclusiveLock()  local
444         done = state_and_contenders_.CompareAndSetWeakAcquire(cur_state, cur_state | kHeldMask);  in ExclusiveLock()
492     } while (!done);  in ExclusiveLock()
569     bool done = false;  in ExclusiveTryLock()  local
574         done = state_and_contenders_.CompareAndSetWeakAcquire(cur_state, cur_state | kHeldMask);  in ExclusiveTryLock()
578     } while (!done);  in ExclusiveTryLock()
668     bool done = false;  in ExclusiveUnlock()  local
676         done = state_and_contenders_.CompareAndSetWeakRelease(cur_state, new_state);  in ExclusiveUnlock()
677         if (LIKELY(done)) {  // Spurious fail or waiters changed ?  in ExclusiveUnlock()
700     } while (!done);  in ExclusiveUnlock()
766   bool done = false;  in ExclusiveLock()  local
771       done = state_.CompareAndSetWeakAcquire(0 /* cur_state*/, -1 /* new state */);  in ExclusiveLock()
791   } while (!done);  in ExclusiveLock()
808   bool done = false;  in ExclusiveUnlock()  local
816       done = state_.CompareAndSetWeakSequentiallyConsistent(-1 /* cur_state*/, 0 /* new state */);  in ExclusiveUnlock()
817       if (LIKELY(done)) {  // Weak CAS may fail spuriously.  in ExclusiveUnlock()
826   } while (!done);  in ExclusiveUnlock()
837   bool done = false;  in ExclusiveLockWithTimeout()  local
844       done = state_.CompareAndSetWeakAcquire(0 /* cur_state */, -1 /* new state */);  in ExclusiveLockWithTimeout()
874   } while (!done);  in ExclusiveLockWithTimeout()
917   bool done = false;  in SharedTryLock()  local
922       done = state_.CompareAndSetWeakAcquire(cur_state, cur_state + 1);  in SharedTryLock()
927   } while (!done);  in SharedTryLock()
1042     bool done = futex(sequence_.Address(),  in RequeueWaiters()  local
1048     if (!done && errno != EAGAIN && errno != EINTR) {  in RequeueWaiters()