278         int32_t newQueueCounts;  in release()  local
280             newQueueCounts = oldQueueCounts;  in release()
283             newQueueCounts -= 1 << kWaitingExlusiveOffset;  in release()
293                 newQueueCounts &= ~kWaitingSharedMask;  in release()
298                 newQueueCounts |= waitingShared << kSharedOffset;  in release()
301         } while (!fQueueCounts.compare_exchange(&oldQueueCounts, newQueueCounts,  in release()
307         } else if ((newQueueCounts & kWaitingExclusiveMask) > 0) {  in release()
315         int32_t newQueueCounts;  in acquireShared()  local
317             newQueueCounts = oldQueueCounts;  in acquireShared()
319             if ((newQueueCounts & kWaitingExclusiveMask) > 0) {  in acquireShared()
320                 newQueueCounts += 1 << kWaitingSharedOffset;  in acquireShared()
322                 newQueueCounts += 1 << kSharedOffset;  in acquireShared()
324         } while (!fQueueCounts.compare_exchange(&oldQueueCounts, newQueueCounts,  in acquireShared()
328         if ((newQueueCounts & kWaitingExclusiveMask) > 0) {  in acquireShared()