UINT __stdcall CExternal::WorkThread( void * pParam)
{
HRESULT hr;
CTaskBase* pTask;
CComPtr<IHTMLDocument3> spDoc3;
CExternal* pThis = reinterpret_cast<CExternal*>(pParam);
if (pThis == NULL)
return 0;
// Init the com
::CoInitializeEx(0,COINIT_APARTMENTTHREADED);
hr = ::CoGetInterfaceAndReleaseStream(
pThis->m_pStream_,
IID_IHTMLDocument3,
(void**)&spDoc3);
if(FAILED(hr))
return 0;
while (pThis->m_bShutdown_ == 0)
{
if(pThis->m_TaskList_.size())
{
pTask = pThis->m_TaskList_.front();
pThis->m_TaskList_.pop_front();
if(pTask)
{
pTask->doTask(spDoc3); //do my custom task
delete pTask;
}
}
else
{
Sleep(10);
}
}
OutputDebugString(L"start CoUninitialize\n");
::CoUninitialize(); //release com
OutputDebugString(L"end CoUninitialize\n");
return 0;
}
上面让我的线程挂起的代码,唯一的输出是“start CoUninitialize
”。
m_hWorker_ = (HANDLE)_beginthreadex(NULL, 0, WorkThread, this, 0, 0);
这段代码启动了我的线程,但是线程无法安全退出,所以它等待。这段代码有什么问题?