Hello,

When closing my multithread application, before stopping the main thread I
wait, in this main thread, for a secondary thread to exit. I use for it the
function WaitForSingleObject  which never end.

When debugging I can check that this secondary thread is returning zero and
exiting but by using spy++ I can see that this thread is still existing.

What can prevent this thread to terminate whereas this thread as returned
zero ?

Code sample :

HANDLE hThreadInterrogationPorte;

class CCNR_FonctionsDeBaseCN
{

(...)

static DWORD WINAPI ThreadInterrogationPorte(LPVOID lpParam);

(...)

}

DWORD WINAPI CCNR_FonctionsDeBaseCN::ThreadInterrogationPorte(LPVOID lpParam)
{
   (...)
   return 0;
}

CCNR_FonctionsDeBaseCN::CCNR_FonctionsDeBaseCN(CString PathOfCurrentDir)
{

(...)   

DWORD ThreadId;

m_ParamCycleInterrogationPorte.hThreadInterrogationPorte =
CreateThread(
NULL,                                           //LPSECURITY_ATTRIBUTES
lpThreadAttributes,
0,                                      //SIZE_T dwStackSize,
&ThreadInterrogationPorte,            //LPTHREAD_START_ROUTINE lpStartAddress,
&m_ParamCycleInterrogationPorte, //LPVOID lpParameter,
0,               //Run immediately DWORD dwCreationFlags,
&ThreadId                                       //LPDWORD lpThreadId
);

(...)

}

CCNR_FonctionsDeBaseCN::~CCNR_FonctionsDeBaseCN()
{

 (...)

 if(m_ParamCycleInterrogationPorte.hThreadInterrogationPorte != NULL)
        WaitForSingleObject(m_ParamCycleInterrogationPorte.hThreadInterrogationPorte,INFINITE);

  (...)   
}

Best regards
   
JsCHarly