426     bool done = false;  in ExclusiveLock()  local
430         done = state_and_contenders_.CompareAndSetWeakAcquire(cur_state, cur_state | kHeldMask);  in ExclusiveLock()
465     } while (!done);  in ExclusiveLock()
491     bool done = false;  in ExclusiveTryLock()  local
496         done = state_and_contenders_.CompareAndSetWeakAcquire(cur_state, cur_state | kHeldMask);  in ExclusiveTryLock()
500     } while (!done);  in ExclusiveTryLock()
590     bool done = false;  in ExclusiveUnlock()  local
598         done = state_and_contenders_.CompareAndSetWeakRelease(cur_state, new_state);  in ExclusiveUnlock()
599         if (LIKELY(done)) {  // Spurious fail or waiters changed ?  in ExclusiveUnlock()
622     } while (!done);  in ExclusiveUnlock()
688   bool done = false;  in ExclusiveLock()  local
693       done = state_.CompareAndSetWeakAcquire(0 /* cur_state*/, -1 /* new state */);  in ExclusiveLock()
713   } while (!done);  in ExclusiveLock()
730   bool done = false;  in ExclusiveUnlock()  local
738       done = state_.CompareAndSetWeakSequentiallyConsistent(-1 /* cur_state*/, 0 /* new state */);  in ExclusiveUnlock()
739       if (LIKELY(done)) {  // Weak CAS may fail spuriously.  in ExclusiveUnlock()
748   } while (!done);  in ExclusiveUnlock()
759   bool done = false;  in ExclusiveLockWithTimeout()  local
766       done = state_.CompareAndSetWeakAcquire(0 /* cur_state */, -1 /* new state */);  in ExclusiveLockWithTimeout()
796   } while (!done);  in ExclusiveLockWithTimeout()
839   bool done = false;  in SharedTryLock()  local
844       done = state_.CompareAndSetWeakAcquire(cur_state, cur_state + 1);  in SharedTryLock()
849   } while (!done);  in SharedTryLock()
964     bool done = futex(sequence_.Address(),  in RequeueWaiters()  local
970     if (!done && errno != EAGAIN && errno != EINTR) {  in RequeueWaiters()