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Gtkmm-forge Digest, Vol 7, Issue 2

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Today's Topics:

   1. [Bug 357565] Reparentable Tree Store (gtkmm (bugzilla.gnome.org))
   2. [Bug 383340] New: Memory leaks under win32 and	VS2005
      (gtkmm (bugzilla.gnome.org))
   3. [Bug 383340] Memory leaks under win32 and VS2005
      (gtkmm (bugzilla.gnome.org))


----------------------------------------------------------------------

Message: 1
Date: Thu,  7 Dec 2006 03:11:19 +0000 (UTC)
From: "gtkmm (bugzilla.gnome.org)"
	<bugzilla-daemon bugzilla gnome org>
Subject: [gtkmm bugzilla] [Bug 357565] Reparentable Tree Store
To: gtkmm-forge lists sourceforge net
Message-ID: <20061207031119 17BE86C40E6 box gnome org>
Content-Type: text/plain; charset=utf-8

Do not reply to this via email (we are currently unable to handle email
responses and they get discarded).  You can add comments to this bug at
http://bugzilla.gnome.org/show_bug.cgi?id=357565

  gtkmm | general | Ver: 2.10.x





------- Comment #4 from Paul Davis  2006-12-07 03:09 UTC -------
2006-12-06  Paul Davis <pjdavis engineering uiowa edu>

    * examples/reparentabletreestore/CustomTreeStore.cc
    * examples/reparentabletreestore/CustomTreeStore.hh
    * examples/reparentabletreestore/ExampleWindow.cc
    * examples/reparentabletreestore/ExampleWindow.hh
    * examples/reparentabletreestore/main.cc
    * examples/reparentabletreestore/Makefile.am: Created an example derived
Gtk::TreeStore object that shows how to reparent rows.


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------------------------------

Message: 2
Date: Thu,  7 Dec 2006 12:28:43 +0000 (UTC)
From: "gtkmm (bugzilla.gnome.org)"
	<bugzilla-daemon bugzilla gnome org>
Subject: [gtkmm bugzilla] [Bug 383340] New: Memory leaks under win32
	and	VS2005
To: gtkmm-forge lists sourceforge net
Message-ID: <bug-383340-5595 http bugzilla gnome org/>
Content-Type: text/plain; charset=utf-8

Do not reply to this via email (we are currently unable to handle email
responses and they get discarded).  You can add comments to this bug at
http://bugzilla.gnome.org/show_bug.cgi?id=383340

  gtkmm | general | Ver: 2.4.x

           Summary: Memory leaks under win32 and VS2005
           Product: gtkmm
           Version: 2.4.x
          Platform: Other
        OS/Version: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: general
        AssignedTo: gtkmm-forge lists sourceforge net
        ReportedBy: c raine gmx net
         QAContact: gtkmm-forge lists sourceforge net
     GNOME version: Unspecified
   GNOME milestone: Unspecified


Please describe the problem:
The gtkmm stable release leaks memory after an application exits. 

Steps to reproduce:
1. Create an simple win32 project with the following main function :

#include <gtkmm.h>
#include <windows.h>
#include <crtdbg.h>

int main( int argc, char* argv[] ) 
{
    _CrtSetDbgFlag( _CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF  );
    Gtk::Main kit(argc, argv);
    return 0x0;
}


3. observe memory leaks in debug output window when executed in the vs2005
debugger


Actual results:
The above code does the following: 

_CrtsetDbgFlag() instructs the platform sdk to track all allocations and to
dump a report of all unfreed allocations at the exit of the program ( this
happens after all process-owned dlls are unloaded from the process memory space
and all global variables are gone and the process is ready to be closed ). 

The other two lines should be self-explanatory. 

Expected results:
You see about 18 memory leaks in the debug output window of vs2005.

Does this happen every time?
Yes

Other information:
In the above reproduction case, the Gtk:Main objects leaks memory only once.
Executing it in a loop does not introduce more memory leaks, so the impression
of memory belonging to static/global objects is not being freed comes to mind. 

A more elaborate test case can be found under
http://rainestorm.org/craine/gtkmm_memleak.zip


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------------------------------

Message: 3
Date: Thu,  7 Dec 2006 13:09:15 +0000 (UTC)
From: "gtkmm (bugzilla.gnome.org)"
	<bugzilla-daemon bugzilla gnome org>
Subject: [gtkmm bugzilla] [Bug 383340] Memory leaks under win32 and
	VS2005
To: gtkmm-forge lists sourceforge net
Message-ID: <20061207130915 8214C6C40FE box gnome org>
Content-Type: text/plain; charset=utf-8

Do not reply to this via email (we are currently unable to handle email
responses and they get discarded).  You can add comments to this bug at
http://bugzilla.gnome.org/show_bug.cgi?id=383340

  gtkmm | general | Ver: 2.4.x


Murray Cumming changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |cedric gustin gmail com,
                   |                            |murrayc murrayc com




------- Comment #1 from Murray Cumming  2006-12-07 13:07 UTC -------
> You see about 18 memory leaks in the debug output window of vs2005.

Could you attach those results here as a text file, please.

I guess it's possible that we allocate static stuff and don't free it. Normally
that wouldn't be an issue. Do you have a need for a cleanup function, to
explicitly release such objects?


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