Method sync

Core/MMKV.cpp:1207–1217

// file

void MMKV::sync(SyncFlag flag) {
    MMKVInfo("MMKV::sync, SyncFlag = %d", flag);
    SCOPED_LOCK(m_lock);
    if (m_needLoadFromFile || !isFileValid()) {
        return;
    }
    SCOPED_LOCK(m_exclusiveProcessLock);

    m_file->msync(flag);
    m_metaFile->msync(flag);
}

void MMKV::lock() {
    SCOPED_LOCK(m_lock);