Re: [Boost-users] [thread]MFC based console application cause memory leak?

From: Christian Henning (chhenning_at_[hidden])
Date: 2006-09-06 10:49:53

This is an issue poping up from time to time. I believe there was a
fix but I'm not sure if was added to CVS? Anyone?

Christian

On 9/6/06, tankbattle <tankbattle_at_[hidden]> wrote:
> I've written a MFC based console application to test boost.thread library.
> However, IDE suggested that there are memory leaks in the program. All that I'
> ve done is creating a class A which implements operator () and declared an
> instance of boost::thread which make use of A. How can that make memory leak?
> My IDE is vs.net 2003 and my OS is windows xp sp1.
> My code is as follows:
>
> // threadmemleak.cpp :
> //
>
> #include "stdafx.h"
> #include "threadmemleak.h"
> #ifdef _DEBUG
> #define new DEBUG_NEW
> #endif
>
> #include <boost\thread\thread.hpp>
>
> class A
> {
> public:
>         A()
>         {
>         }
>         void operator() ()
>         {
>                 //Sleep(1000);
>         }
> };
>
>
> // Single application object
> CWinApp theApp;
>
> using namespace std;
>
> int _tmain(int argc, TCHAR* argv[], TCHAR* envp[])
> {
>         int nRetCode = 0;
>
>         // Initialize MFC and display error on failure
>         if (!AfxWinInit(::GetModuleHandle(NULL), NULL, ::GetCommandLine(), 0))
>         {
>                 // TODO: Correct your code so as to meet your need
>                 _tprintf(_T("Fatal error: MFC initialization failed\n"));
>                 nRetCode = 1;
>         }
>         else
>         {
>                 // TODO: Write your own code
>                 A a;
>                 boost::thread thread1(a);
>                 thread1.join();
>         }
>
>         return nRetCode;
> }
>
>  and output of IDE is
>
> Detected memory leaks!
> Dumping objects ->
> {153} normal block at 0x00376A70, 24 bytes long.
>  Data: < \              > B0 5C 14 00 FF FF FF FF 00 00 00 00 00 00 00 00
> {152} normal block at 0x00376CE0, 8 bytes long.
>  Data: <pj7     > 70 6A 37 00 01 CD CD CD
> Object dump complete.
>
>
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