Function threadFunction

POSIX/demo/demo.cpp:235–253

vector<string> arrStringKeys;

void *threadFunction(void *lpParam) {
    auto threadIndex = (size_t) lpParam;
    auto mmkv = MMKV::mmkvWithID(MMKV_ID);
    mmkv->lock();
    cout << "thread " << threadIndex << " starts" << endl;
    mmkv->unlock();

    auto segmentCount = keyCount / threadCount;
    auto startIndex = segmentCount * threadIndex;
    for (int32_t index = startIndex; index < startIndex + segmentCount; index++) {
        mmkv->set(index, arrIntKeys[index]);
        mmkv->set("str-" + to_string(index), arrStringKeys[index]);
    }

    mmkv->lock();
    cout << "thread " << threadIndex << " ends" << endl;
    mmkv->unlock();
    return nullptr;
}

void threadTest() {
    pthread_t threadHandles[threadCount] = {0};