Method mmapOrCleanup

Core/MemoryFile_Win32.cpp:197–222

}

bool MemoryFile::mmapOrCleanup(FileLock *fileLock) {
    auto mode = m_readOnly ? PAGE_READONLY : PAGE_READWRITE;
    m_fileMapping = CreateFileMapping(m_diskFile.getFd(), nullptr, mode, 0, 0, nullptr);
    if (!m_fileMapping) {
        MMKVError("fail to CreateFileMapping [%s], mode %x, %d", m_diskFile.getUTF8Path().c_str(), mode,
                  GetLastError());
        return false;
    } else {
        auto viewMode = m_readOnly ? FILE_MAP_READ : FILE_MAP_ALL_ACCESS;
        m_ptr = (char*)MapViewOfFile(m_fileMapping, viewMode, 0, 0, 0);
        if (!m_ptr) {
            MMKVError("fail to mmap [%s], mode %x, %d", m_diskFile.getUTF8Path().c_str(), viewMode, GetLastError());

            doCleanMemoryCache(true);
            return false;
        }
        MMKVInfo("mmap to address [%p], [%s]", m_ptr, m_diskFile.getUTF8Path().c_str());

        if (m_isMayflyFD && fileLock) {
            fileLock->destroyAndUnLock();
        }

        cleanMayflyFD();
        return true;
    }
}

void MemoryFile::reloadFromFile(size_t expectedCapacity) {
    if (isFileValid()) {