235     struct MemRegion {  struct
236         MemRegion() : MemRegion(nullptr, 0) {}  in MemRegion()  argument
238         MemRegion(T* base, size_t size) : address(base), length(size) {}  in MemRegion()  function
240         MemRegion& operator=(const MemRegion &other) {
280         MemTransaction() : MemTransaction(MemRegion(), MemRegion()) {}  in MemTransaction()
282         MemTransaction(const MemRegion& regionFirst, const MemRegion& regionSecond) :  in MemTransaction()
339         inline const MemRegion& getFirstRegion() const { return first; }  in getFirstRegion()
345         inline const MemRegion& getSecondRegion() const { return second; }  in getSecondRegion()
364         MemRegion first;
365         MemRegion second;
1012         *result = MemTransaction(MemRegion(reinterpret_cast<T*>(mRing + writeOffset),  in beginWrite()
1014                                  MemRegion(reinterpret_cast<T*>(mRing),  in beginWrite()
1021         *result = MemTransaction(MemRegion(reinterpret_cast<T*>(mRing + writeOffset), nMessages),  in beginWrite()
1022                                  MemRegion());  in beginWrite()
1112         *result = MemTransaction(MemRegion(reinterpret_cast<T*>(mRing + readOffset),  in beginRead()
1114                                  MemRegion(reinterpret_cast<T*>(mRing),  in beginRead()
1121         *result = MemTransaction(MemRegion(reinterpret_cast<T*>(mRing + readOffset), nMessages),  in beginRead()
1122                                  MemRegion());  in beginRead()