Method getFd

Core/MemoryFile.cpp:154–159

}

MMKVFileHandle_t MemoryFile::getFd() {
    if (m_isMayflyFD) {
        openIfNeeded();
    }
    return m_diskFile.getFd();
}

bool MemoryFile::truncate(size_t size, FileLock *fileLock) {
    if (m_isMayflyFD) {