446     std::atomic<uint64_t>* mWritePtr = nullptr;  member
607     mWritePtr =  in initMemory()
609     details::check(mWritePtr != nullptr);  in initMemory()
613         mWritePtr->store(0, std::memory_order_release);  in initMemory()
700     if (mWritePtr != nullptr) {  in ~MessageQueue()
701         unmapGrantorDescr(mWritePtr, Descriptor::WRITEPTRPOS);  in ~MessageQueue()
998     auto writePtr = mWritePtr->load(std::memory_order_relaxed);  in beginWrite()
1036     auto writePtr = mWritePtr->load(std::memory_order_relaxed);  in commitWrite()
1038     mWritePtr->store(writePtr, std::memory_order_release);  in commitWrite()
1053     return mWritePtr->load(std::memory_order_acquire) -  in availableToReadBytes()
1080     auto writePtr = mWritePtr->load(std::memory_order_acquire);  in beginRead()
1137     auto writePtr = mWritePtr->load(std::memory_order_acquire);  in commitRead()
1165     return mRing != nullptr && mReadPtr != nullptr && mWritePtr != nullptr;  in isValid()