Method acquireWorkIndex

source/backend/cpu/ThreadPool.cpp:92–101

}

int ThreadPool::acquireWorkIndex() {
    std::lock_guard<std::mutex> _l(mQueueMutex);
    for (int i = 0; i < MNN_THREAD_POOL_MAX_TASKS; ++i) {
        if (mTaskAvailable[i]) {
            mTaskAvailable[i] = false;
            return i;
        }
    }
    return -1;
}
void ThreadPool::releaseWorkIndex(int index) {
    if (index < 0 || index >= MNN_THREAD_POOL_MAX_TASKS) {
        return;