Heim >Datenbank >MySQL-Tutorial >cocos2dx多线程以及线程同步 与 cocos2dx内存管理与多线程问题

cocos2dx多线程以及线程同步 与 cocos2dx内存管理与多线程问题

WBOY
WBOYOriginal
2016-06-07 15:09:361307Durchsuche

//-------------------------------------------------------------------- // // CCPoolManager // //-------------------------------------------------------------------- /////【diff - begin】- by layne////// CCPoolManager* CCPoolManager::shared

//--------------------------------------------------------------------

//

// CCPoolManager

//

//--------------------------------------------------------------------


/////【diff - begin】- by layne//////


CCPoolManager* CCPoolManager::sharedPoolManager()

{

    if (s_pPoolManager == NULL)

    {

        s_pPoolManager = new CCPoolManager();

    }

    return s_pPoolManager;

}


void CCPoolManager::purgePoolManager()

{

    CC_SAFE_DELETE(s_pPoolManager);

}


CCPoolManager::CCPoolManager()

{

    //    m_pReleasePoolStack = new CCArray();   

    //    m_pReleasePoolStack->init();

    //    m_pCurReleasePool = 0;


    m_pReleasePoolMultiStack = new CCDictionary();

}


CCPoolManager::~CCPoolManager()

{


    //    finalize();


    //    // we only release the last autorelease pool here

    //    m_pCurReleasePool = 0;

    //    m_pReleasePoolStack->removeObjectAtIndex(0);

    //   

    //    CC_SAFE_DELETE(m_pReleasePoolStack);


    finalize();


    CC_SAFE_DELETE(m_pReleasePoolMultiStack);

}


void CCPoolManager::finalize()

{

    if(m_pReleasePoolMultiStack->count() > 0)

    {

        //CCAutoreleasePool* pReleasePool;

        CCObject* pkey = NULL;

        CCARRAY_FOREACH(m_pReleasePoolMultiStack->allKeys(), pkey)

        {

            if(!pkey)

                break;

            CCInteger *key = (CCInteger*)pkey;

            CCArray *poolStack = (CCArray *)m_pReleasePoolMultiStack->objectForKey(key->getValue());

            CCObject* pObj = NULL;

            CCARRAY_FOREACH(poolStack, pObj)

            {

                if(!pObj)

                    break;

                CCAutoreleasePool* pPool = (CCAutoreleasePool*)pObj;

                pPool->clear();

            }

        }

    }

}


void CCPoolManager::push()

{

    //    CCAutoreleasePool* pPool = new CCAutoreleasePool();       //ref = 1

    //    m_pCurReleasePool = pPool;

    //   

    //    m_pReleasePoolStack->addObject(pPool);                   //ref = 2

    //   

    //    pPool->release();                                       //ref = 1


    pthread_mutex_lock(&m_mutex);


    CCArray* pCurReleasePoolStack = getCurReleasePoolStack();

    CCAutoreleasePool* pPool = new CCAutoreleasePool();         //ref = 1

    pCurReleasePoolStack->addObject(pPool);                               //ref = 2

    pPool->release();                                           //ref = 1   


    pthread_mutex_unlock(&m_mutex);

}


void CCPoolManager::pop()

{

    //    if (! m_pCurReleasePool)

    //    {

    //        return;

    //    }

    //   

    //    int nCount = m_pReleasePoolStack->count();

    //   

    //    m_pCurReleasePool->clear();

    //   

    //    if(nCount > 1)

    //    {

    //        m_pReleasePoolStack->removeObjectAtIndex(nCount-1);

    //        

    //        //         if(nCount > 1)

    //        //         {

    //        //             m_pCurReleasePool = m_pReleasePoolStack->objectAtIndex(nCount - 2);

    //        //             return;

    //        //         }

    //        m_pCurReleasePool = (CCAutoreleasePool*)m_pReleasePoolStack->objectAtIndex(nCount - 2);

    //    }

    //   

    //    /*m_pCurReleasePool = NULL;*/


    pthread_mutex_lock(&m_mutex);   


    CCArray* pCurReleasePoolStack = getCurReleasePoolStack();

    CCAutoreleasePool* pCurReleasePool = getCurReleasePool();   

    if (pCurReleasePoolStack && pCurReleasePool)

    {

        int nCount = pCurReleasePoolStack->count();


        pCurReleasePool->clear();


        if(nCount > 1)

        {

            pCurReleasePoolStack->removeObject(pCurReleasePool);

        }

    }


    pthread_mutex_unlock(&m_mutex);

}


void CCPoolManager::removeObject(CCObject* pObject)

{

    //    CCAssert(m_pCurReleasePool, "current auto release pool should not be null");

    //   

    //    m_pCurReleasePool->removeObject(pObject);


    pthread_mutex_lock(&m_mutex);

    CCAutoreleasePool* pCurReleasePool = getCurReleasePool();

    CCAssert(pCurReleasePool, "current auto release pool should not be null");


    pCurReleasePool->removeObject(pObject);

    pthread_mutex_unlock(&m_mutex);   

}


void CCPoolManager::addObject(CCObject* pObject)

{

    //    getCurReleasePool()->addObject(pObject);


    pthread_mutex_lock(&m_mutex);   

    CCAutoreleasePool* pCurReleasePool = getCurReleasePool(true);

    CCAssert(pCurReleasePool, "current auto release pool should not be null");


    pCurReleasePool->addObject(pObject);

    pthread_mutex_unlock(&m_mutex);     

}


CCArray* CCPoolManager::getCurReleasePoolStack()

{

    CCArray* pPoolStack = NULL;

    pthread_t tid = pthread_self();

    if(m_pReleasePoolMultiStack->count() > 0)

    {

        pPoolStack = (CCArray*)m_pReleasePoolMultiStack->objectForKey((int)tid);

    }


    if (!pPoolStack) {

        pPoolStack = new CCArray();

        m_pReleasePoolMultiStack->setObject(pPoolStack, (int)tid);

        pPoolStack->release();

    }


    return pPoolStack;

}


CCAutoreleasePool* CCPoolManager::getCurReleasePool(bool autoCreate)

{

    //    if(!m_pCurReleasePool)

    //    {

    //        push();

    //    }

    //   

    //    CCAssert(m_pCurReleasePool, "current auto release pool should not be null");

    //   

    //    return m_pCurReleasePool;


    CCAutoreleasePool* pReleasePool = NULL;



    CCArray* pPoolStack = getCurReleasePoolStack();

    if(pPoolStack->count() > 0)

    {

        pReleasePool = (CCAutoreleasePool*)pPoolStack->lastObject();

    }


    if (!pReleasePool && autoCreate) {

        CCAutoreleasePool* pPool = new CCAutoreleasePool();         //ref = 1

        pPoolStack->addObject(pPool);                               //ref = 2

        pPool->release();                                           //ref = 1


        pReleasePool = pPool;

    }


    return pReleasePool;

}


/////【diff - end】- by layne//////



代码下载地址:https://github.com/kaitiren/pthread-test-for-cocos2dx

Stellungnahme:
Der Inhalt dieses Artikels wird freiwillig von Internetnutzern beigesteuert und das Urheberrecht liegt beim ursprünglichen Autor. Diese Website übernimmt keine entsprechende rechtliche Verantwortung. Wenn Sie Inhalte finden, bei denen der Verdacht eines Plagiats oder einer Rechtsverletzung besteht, wenden Sie sich bitte an admin@php.cn