1256     uint64_t readPtr = mReadPtr->load(std::memory_order_acquire);  in availableToReadBytes()  local
1257     if (writePtr < readPtr) {  in availableToReadBytes()
1261                 std::to_string(writePtr) + ", read pointer: " + std::to_string(readPtr);  in availableToReadBytes()
1271     return writePtr - readPtr;  in availableToReadBytes()
1302     auto readPtr = mReadPtr->load(std::memory_order_relaxed);  in beginRead()  local
1303     if (writePtr % quantum() != 0 || readPtr % quantum() != 0) {  in beginRead()
1311     if (writePtr - readPtr > mDesc->getSize()) {  in beginRead()
1320     if (writePtr - readPtr < nBytesDesired) {  in beginRead()
1324     size_t readOffset = readPtr % mDesc->getSize();  in beginRead()
1359     auto readPtr = mReadPtr->load(std::memory_order_relaxed);  in commitRead()  local
1365     if (writePtr - readPtr > mDesc->getSize()) {  in commitRead()
1371     readPtr += nBytesRead;  in commitRead()
1372     mReadPtr->store(readPtr, std::memory_order_release);  in commitRead()