Re: [boost] [1.37.0][serialization] Assertion failed at libs/serialization/src/extended_type_info.cpp:92

Subject: Re: [boost] [1.37.0][serialization] Assertion failed at libs/serialization/src/extended_type_info.cpp:92
From: Hartmut Kaiser (hartmut.kaiser_at_[hidden])
Date: 2008-10-23 08:29:32

Troy,

> > My setup: Linux 64Bit, gcc 4.2.4, serialization is used for
> polymorphic
> > objects loaded from different shared libraries, shared libraries are
> loaded
> > with dlopen(RTLD_GLOBAL|RTLD_LAZY).
> >
> 
> 1. What does the output of 'gcc --verbose' give you?   I'm looking for
>     some flags that show how gcc was built, specifically one involving
>     __cxa_atexit (i'm just following a hunch)

[hkaiser_at_celeritas ~]$ gcc --verbose
Using built-in specs.
Target: x86_64-unknown-linux-gnu
Configured with: ./configure --prefix=/usr/local/compilers/gcc-4.2.4
--with-mpfr=/usr/lib/mpfr --enable-languages=c,c++
Thread model: posix
gcc version 4.2.4

> 2. Have you tried dlopening these libs with (RTLD_NOW | RTLD_GLOBAL)?

Yep, same picture. 
Regards Hartmut

> 
> -t
> 
> 
> > Assertion (extended_type_info.cpp:92) occurs during program
> termination
> > (after main returned), during dlclose().
> >
> > If anything else isn't possible, would it be appropriate to change
> the
> > related code (before the release!) from:
> >
> >         assert(start != end);
> >
> >         // remove entry in map which corresponds to this type
> >         do{
> >             if(this == *start)
> >                 x.erase(start++);
> >             else
> > 		    ++start;
> >         }while(start != end);
> >
> > To:
> >
> >         assert(start != end);
> >
> >         // remove entry in map which corresponds to this type
> >         while(start != end) {
> >             if(this == *start)
> >                 x.erase(start++);
> >             else
> > 		    ++start;
> >         }
> >
> > Which wouldn't remove the problem, but at least avoids hanging the
> program
> > if assertions are off...
> >
> > Regards Hartmut
> >
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