Hi Kevin,

AFAIK we can create the component (usually TIB_Connection, TIB_Transaction)
with CreateForSession instead of Create.

Regards,
HJ

----- Original Message -----
From: "Kevin D. Joseph" <kjoseph@...>
To: <IBObjects@yahoogroups.com>
Sent: Monday, July 02, 2001 4:01 AM
Subject: Re: [IBO] gds32.dll access violation


> How do I make the TIB_Session the owner or the other IBO components the
> thread uses? I am having a similar problem and I don't see a property on
> the connection, query or cursor components to tie them to a session.
>
> Thanks.
>
> Kevin Joseph
> kjoseph@...
>
>
> On Wed, 27 Jun 2001, Jason Wharton wrote:
>
> > Péter,
> >
> > One thing to be sure of is each thread needs to create a TIB_Session
> > component and then when you create the other components like the
> > TIB_Connection make the TIB_Session instance the owner of the other IBO
> > components the thread uses.
> >
> > Please do this and if it doesn't clear up your threading problems let me
> > know all the particulars of the project and some pertinent code to
review.
> > Send privately if you prefer.
> >
> > Regards,
> > Jason Wharton
> > CPS - Mesa AZ
> > http://www.ibobjects.com
> >
> >
> > ----- Original Message -----
> > From: "Péter Karsai" <petkarsai@...>
> > To: <IBObjects@yahoogroups.com>
> > Sent: Wednesday, June 27, 2001 1:38 AM
> > Subject: [IBO] gds32.dll access violation
> >
> >
> > > Hello,
> > >
> > > We're using IBO in our multi-threaded application server and seems we
have
> > > some thread problems.
> > >
> > > All client requests run in separate threads, each have own database
> > > connection (connect/disconnect is protected by critical sections). In
some
> > > cases, the
> > > database operations in these threads cause access violations in the IB
> > > client DLL, WinDbg reports (only constant parts shown):
> > >
> > > Access violation - code c0000005 (first chance)
> > > [register dump]
> > > *** WARNING: Unable to verify checksum for C:\WINNT\System32\gds32.dll
> > > *** ERROR: Symbol file could not be found. Defaulted to export
symbols
> > for
> > > C:\WINNT\System32\gds32.dll -
> > > gds32!perf_report+14d4d:
> > > 4055eaa4 8b4804 mov ecx,[eax+0x4]
> > > ds:0023:00000004=????????
> > >
> > > This exception may appear in another thread than our client thread,
> > because
> > > the whole Execute() method is in a try...except block and
> > HandleException()
> > > is also overridden to display some info on the debug console.
> > >
> > > I'm almost sure the problem isn't with IBO however after re-reading
our
> > code
> > > I have no idea what causes this error. Anyone experienced similar or
same
> > > problems in multi-threaded enviroment?
> > >
> > > TIA for your reply,
> > >
> > > Peter Karsai
> > > petkarsai@...
> > >
> > > P.S.: Sorry for my poor English
> > >
> > >
> > >
> > >
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> > >
> >
> >
> >
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