478                      android::base::unique_fd bufferFd, size_t bufferSize, size_t quantum);
484     inline size_t quantum() const;
670     if (mDesc->getQuantum() != quantum()) {  in initMemory()
746                                                                 size_t bufferSize, size_t quantum) {  in MessageQueueBase()  argument
748     if (numElementsInQueue > SIZE_MAX / quantum) {  in MessageQueueBase()
750                                     std::to_string(quantum) +  in MessageQueueBase()
758     if (bufferFd != -1 && numElementsInQueue * quantum > bufferSize) {  in MessageQueueBase()
761                                     std::to_string(numElementsInQueue * quantum) + ").");  in MessageQueueBase()
769     size_t kQueueSizeBytes = numElementsInQueue * quantum;  in MessageQueueBase()
848                                                     Descriptor(grantors, mqHandle, quantum));  in MessageQueueBase()
851                 kQueueSizeBytes, mqHandle, quantum, configureEventFlagWord));  in MessageQueueBase()
894            tx.copyToSized(data, 0 /* startIdx */, nMessages, quantum()) && commitWrite(nMessages);  in write()
1130 inline size_t MessageQueueBase<MQDescriptorType, T, flavor>::quantum() const {  in quantum()  function
1170     return availableToWriteBytes(errorDetected, errorMessage) / quantum();  in availableToWrite()
1176     return availableToReadBytes(errorDetected, errorMessage) / quantum();  in availableToRead()
1194     if (writePtr % quantum() != 0) {  in beginWrite()
1207     size_t contiguousMessages = (mDesc->getSize() - writeOffset) / quantum();  in beginWrite()
1236     size_t nBytesWritten = nMessages * quantum();  in commitWrite()
1278            tx.copyFromSized(data, 0 /* startIdx */, nMessages, quantum()) && commitRead(nMessages);  in read()
1303     if (writePtr % quantum() != 0 || readPtr % quantum() != 0) {  in beginRead()
1316     size_t nBytesDesired = nMessages * quantum();  in beginRead()
1329     size_t contiguousMessages = (mDesc->getSize() - readOffset) / quantum();  in beginRead()
1370     size_t nBytesRead = nMessages * quantum();  in commitRead()