Re: Segfault in _this()

[Bowie Owens <bowie owens csiro au>]

Hi Johan,

Please try upgrading to a later version of orbitcpp either 1.3.6 or 
better yet the latest version from CVS and cofirm whether the problem 
still exists. The generated code is now much simpler and hopefully 
easier to debug. While you are debugging you want to compile orbitcpp 
with CXXFLAGS=-g so that you can debug into the library as well as the 
generated stub/skel code.

As for where to look, please try and determine which memory reference 
caused the seg. fault. Was the rootPOA pointer null? Was the method 
invoked on a null pointer (null this pointer)? Was the object the method 
was invoked on deleted prior to the method call? Was the seg. fault 
inside one the calls to activate_object or servant_to_id?

Johan Cronje wrote:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Hi all
>
> I am trying to build a CORBA app with orbitcpp 1.3.5 and g++ 3.3.
>
> In the following (generated) method (in sdr_corba-cpp-skels.cpp)
> ::sdr_corba::sdr_subcontroller_ptr POA_sdr_corba::sdr_subcontroller::_this()
>
> the following line causes a segfault:
> PortableServer::ObjectId_var oid = activated ? rootPOA->servant_to_id (this) : 
> rootPOA->activate_object (this);
>
> Where must I go look for the error? My server is a modified version of the
> server.cc file in the orbitcpp-examples tarball (modified only to fit my
> method names).
>
> Thank You
>
> Regards
> Johan
> - -- 
>
> - --------------------------------------------------------------------------------
> "There is beauty in simplicity"		-- Johan Cronje
> - --------------------------------------------------------------------------------
> Johan Cronje
> Digital Signal Processing / Telecommunications Group
> Electrical and Electronic Engineering Department
> University of Stellenbosch
> http://www.dsp.sun.ac.za/~jcronje
> GNUPG Key: http://www.dsp.sun.ac.za/~jcronje/jcronje.asc
> - --------------------------------------------------------------------------------
> -----BEGIN PGP SIGNATURE-----
> Version: GnuPG v1.2.2-rc1-SuSE (GNU/Linux)
>
> iQEVAwUBPykG8eEeclgONaRbAQLj5wf9ERHk4Olp32kst1UIU68g0RHeiJkk8Lyb
> EMYD1MpD5ryikZdiwjRoGqWpe/QSfnjEee5LR4XC1NzpWZdtEW5DZyIXMBZjTaCZ
> beeZaEpL0a+9afACBPzmAkcHPMU3TM/egxozzzFORzIS8vr2rirPNkekmbfMsoIB
> xXpGo4J7pwYnrImqJJEyVXlbA2JSWdENsB87P4nOCw2t3x43q3F6WxdfacNsH4XQ
> P1rtjE2/kEejA7XDrBMDR/J6FhjT1VZQ1M3ktRqAZ2zu/R31twdm3Tdvct74AAKy
> PHoxG5jbqoxwP/gy4V3JpCjS6PuFgqNUhIChHH8bbZ5n2gBOsOO22Q==
> =5Cd6
> -----END PGP SIGNATURE-----
>
> _______________________________________________
> orbitcpp-list mailing list
> orbitcpp-list gnome org
> http://mail.gnome.org/mailman/listinfo/orbitcpp-list
>  


--
Bowie Owens

CSIRO Mathematical & Information Sciences
phone  : +61 3 9545 8055
fax    : +61 3 9545 8080
mobile : 0425 729 875
email  : Bowie Owens csiro au