This is the mail archive of the gcc-help@gcc.gnu.org mailing list for the GCC project.

Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: RE: exceptions not caught from shared libraries loaded with dlopen

> Adding RTLD_GLOBAL to dlopen flags solves the problem for now. I have to
> investigate further. I stumbled across this behaviour while creating C++
> Wrappers for Python with Swig. The order of importing the generated wrapper
> libraries results in different result. Exceptions thrown in C++ will be
> caught one time the other time not. So I stripped down the generated wrapper
> code and tried to emulate Python's import. I do not know whether Python uses
> RTLD_GLOBAL when importing libraries or not.

Sorry for bothering you with this problem. The RTLD_GLOBAL hint was very helpful and helped me to solve this problem with my wrappers. One has to set this flag for Python as well because it uses RTLD_LOCAL as default.

Thanks for pointing me into the right direction,
Jan
-- 
Der GMX SmartSurfer hilft bis zu 70% Ihrer Onlinekosten zu sparen! 
Ideal für Modem und ISDN: http://www.gmx.net/de/go/smartsurfer
Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]