C++ xbmcthreads::ThreadLocal类代码示例

namespace XBMCAddon
{
  // just need a place for the vtab
  LanguageHook::~LanguageHook() {}

  static XbmcThreads::ThreadLocal<LanguageHook> addonLanguageHookTls;
  static bool threadLocalInitilialized = false;
  static xbmcutil::InitFlag initer(threadLocalInitilialized);

  void LanguageHook::setLanguageHook(LanguageHook* languageHook)
  {
    TRACE;
    languageHook->Acquire();
    addonLanguageHookTls.set(languageHook);
  }

  LanguageHook* LanguageHook::getLanguageHook()
  {
    return threadLocalInitilialized ? addonLanguageHookTls.get() : NULL;
  }

  void LanguageHook::clearLanguageHook()
  {
    LanguageHook* lh = addonLanguageHookTls.get();
    addonLanguageHookTls.set(NULL);
    if (lh)
      lh->Release();
  }
}

namespace XBMCAddonUtils
{
  //***********************************************************
  // Some simple helpers
  void guiLock()
  {
    g_graphicsContext.Lock();
  }

  void guiUnlock()
  {
    g_graphicsContext.Unlock();
  }
  //***********************************************************
  
  static char defaultImage[1024];

  const char *getDefaultImage(char* cControlType, char* cTextureType, char* cDefault)
  {
    // create an xml block so that we can resolve our defaults
    // <control type="type">
    //   <description />
    // </control>
    TiXmlElement control("control");
    control.SetAttribute("type", cControlType);
    TiXmlElement filler("description");
    control.InsertEndChild(filler);
    g_SkinInfo->ResolveIncludes(&control);

    // ok, now check for our texture type
    TiXmlElement *pTexture = control.FirstChildElement(cTextureType);
    if (pTexture)
    {
      // found our textureType
      TiXmlNode *pNode = pTexture->FirstChild();
      if (pNode && pNode->Value()[0] != '-')
      {
        strncpy(defaultImage, pNode->Value(), sizeof(defaultImage));
        defaultImage[sizeof(defaultImage) - 1] = '\0';
        return defaultImage;
      }
    }
    return cDefault;
  }

#ifdef ENABLE_XBMC_TRACE_API
  static XbmcThreads::ThreadLocal<TraceGuard> tlParent;

  static char** getSpacesArray(int size)
  {
    char** ret = new char*[size];
    for (int i = 0; i < size; i++)
    {
      ret[i] = new char[i + 1];

      int j;
      for (j = 0; j < i; j++)
        ret[i][j] = ' ';
      ret[i][j] = 0;
    }
    return ret;
  }

  static char** spaces = getSpacesArray(256);

  const char* TraceGuard::getSpaces() { return spaces[depth]; }

  TraceGuard::TraceGuard(const char* _function) :function(_function) 
  {
    parent = tlParent.get();
    depth = parent == NULL ? 0 : parent->depth + 1;

    tlParent.set(this);

    CLog::Log(LOGDEBUG, "%sNEWADDON Entering %s", spaces[depth], function); 
  }

  TraceGuard::TraceGuard() :function(NULL) 
  {
    parent = tlParent.get();
    depth = parent == NULL ? 0 : parent->depth + 1;
    tlParent.set(this);
    // silent
  }

  TraceGuard::~TraceGuard() 
  {
    if (function)
      CLog::Log(LOGDEBUG, "%sNEWADDON Leaving %s", spaces[depth], function);

    // need to pop the stack
    tlParent.set(this->parent);
  }
#endif


}

 void LanguageHook::clearLanguageHook()
 {
   LanguageHook* lh = addonLanguageHookTls.get();
   addonLanguageHookTls.set(NULL);
   if (lh)
     lh->Release();
 }

 TraceGuard::TraceGuard() :function(NULL) 
 {
   parent = tlParent.get();
   depth = parent == NULL ? 0 : parent->depth + 1;
   tlParent.set(this);
   // silent
 }

THREADFUNC CThread::staticThread(void* data)
{
    CThread* pThread = (CThread*)(data);
    std::string name;
    ThreadIdentifier id;
    bool autodelete;

    if (!pThread) {
        CLog::Log(LOGERROR,"%s, sanity failed. thread is NULL.",__FUNCTION__);
        return 1;
    }

    name = pThread->m_ThreadName;
    id = pThread->m_ThreadId;
    autodelete = pThread->m_bAutoDelete;

    pThread->SetThreadInfo();

    CLog::Log(LOGNOTICE,"Thread %s start, auto delete: %s", name.c_str(), (autodelete ? "true" : "false"));

    currentThread.set(pThread);
    pThread->m_StartEvent.Set();

    pThread->OnStartup();
    pThread->Process();
    pThread->OnExit();

    // lock during termination
    CSingleLock lock(pThread->m_CriticalSection);

    pThread->m_ThreadId = 0;
    pThread->m_TermEvent.Set();
    pThread->TermHandler();

    lock.Leave();

    if (autodelete)
    {
        CLog::Log(LOGDEBUG,"Thread %s %"PRIu64" terminating (autodelete)", name.c_str(), (uint64_t)id);
        delete pThread;
        pThread = NULL;
    }
    else
        CLog::Log(LOGDEBUG,"Thread %s %"PRIu64" terminating", name.c_str(), (uint64_t)id);

    return 0;
}

CThread* CThread::GetCurrentThread()
{
  return currentThread.get();
}

 LanguageHook* LanguageHook::getLanguageHook()
 {
   return threadLocalInitilialized ? addonLanguageHookTls.get() : NULL;
 }