Re: [paragui-users] Help with menus...

[Andrew Ford]

We could use some variation on a singleton to hold the
application object.

Andrew.

--- Atani <address@hidden> wrote:
> On Monday 24 June 2002 07:47, Alexander Pipelka
> wrote:
> > Yes. It definitely depends on "when" the app
> object will be destroyed.
> > If it's in the main loop everythings ok because
> the destructor of
> > PG_Application is able to cleanup all objects.
> >
> > BTW, there's a new static function
> PG_Application::GetApp()
> 
> Speaking of which, in the GetApp() method, there
> should be a check to ensure 
> that pGlobalApp is non-NULL.  When it is NULL, go
> ahead and initialize it.
> 
> Mike
> 
> >
> > :)
> >
> > Alex
> >
> > Am Mon, 2002-06-24 um 16.09 schrieb Atani:
> > > Interestingly enough, if i declare it (globally)
> as:
> > >
> > > PG_Application *app;
> > >
> > > and then in main do: app = new PG_Application();
> it doesnt fail out
> > > either. So something is perhaps dependent on
> when it executes... do you
> > > use atexit to trigger cleanups?
> > >
> > > Mike
> > >
> > > On Sunday 23 June 2002 13:18, Alexander Pipelka
> wrote:
> > > > Hi Mike!
> > > >
> > > > That's a really weird one .. :))
> > > >
> > > > Ok. Creating the PG_Application object inside
> main() solves the
> > > > problem. I haven't fully debugged it till now
> but it seems there is
> > > > some confusion in the shutdown/cleanup code.
> > > >
> > > > Alex
> > > >
> > > > Am Son, 2002-06-23 um 19.41 schrieb Atani:
> > > > > On Sunday 23 June 2002 10:31, Eric Ross
> wrote:
> > > > > > Mensaje citado por Atani
> <address@hidden>:
> > > > > > > Hi all,
> > > > > > >   Using the attached code I generate a
> SIGSEGV everytime i close
> > > > > > > the app..
> > > > > >
> > > > > > Can you attach some _working_ code ? I
> mean something we could
> > > > > > compile, execute and test ?
> > > > >
> > > > > Actually, the only thing that is missing
> from that zip (globals.h,
> > > > > includes headers, etc... and the main
> method..)
> > > > >
> > > > > I have attached the full source for the
> client app... its actually a
> > > > > very basic app thus far that I am doing...
> The final project will be
> > > > > an online RPG of sorts :)
> > > > >
> > > > > Note, to compile SDL_net is required...
> > > > >
> > > > > > I've got what you're describing (SEGV when
> closing the app)
> > > > > > sometimes when there's memory
> corruption(buffer overrun and so).
> > > > > > Maybe you could try linking with some
> memory tracer or
> > > > > > something(libefence?) to check it's really
> a bug ?
> > > > >
> > > > > Thats the really strange part... I believe
> that I have done something
> > > > > very basic as to expose the bug it just
> requires running the app and
> > > > > then close the app... do nothing in the
> app... From what I have found
> > > > > so far, it appears that calling app->Quit()
> still allows some events
> > > > > to be processed and when they are processed
> some parts of PG are
> > > > > already cleaned up and so the SIGSEGVs are
> appropriate as an NPE type
> > > > > case.
> > > > >
> > > > > Mike
> > > >
> > > >
> _______________________________________________
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> > > >
>
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> > >
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> > >
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> 
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