120     int fd = open(pathTmp.c_str(), O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR);  in WriteDataToStore()  local
121     if (fd == -1) {  in WriteDataToStore()
125     if (fchown(fd, O_USER_GROUP_ID, O_USER_GROUP_ID) != 0) {  in WriteDataToStore()
127         close(fd);  in WriteDataToStore()
131     if (size < 0 || !WriteFully(fd, buffer.data(), static_cast<size_t>(size))) {  in WriteDataToStore()
133             close(fd);  in WriteDataToStore()
137         close(fd);  in WriteDataToStore()
140     if (fsync(fd) == -1) {  in WriteDataToStore()
142         close(fd);  in WriteDataToStore()
145     close(fd);  in WriteDataToStore()
173     int fd = open(path.c_str(), O_RDONLY);  in LoadDataFromStore()  local
174     if (fd == -1) {  in LoadDataFromStore()
179     if (!ReadFully(fd, buffer.data(), fileStat.st_size)) {  in LoadDataFromStore()
181         close(fd);  in LoadDataFromStore()
182         fd = -1;  in LoadDataFromStore()
185     close(fd);  in LoadDataFromStore()
186     fd = -1;  in LoadDataFromStore()