Yes, this is a bug. GA patch addressing this problem is coming out very
soon. I'll update this post when it becomes available.


---
Aleksandar


On Tue, 2010-10-19 at 16:19 -0400, David Baker wrote:
> I am encountering an issue and have provided a test case.
> 
> If I have a armle-v7 shared object that I load and unload with
> dlopen/dlclose that contains any sort of global object with a
> destructor, I get a seg fault after the dlclose.  The exact same code
> works fine on an 6.5 armle system.
> 
> The attached code and project have two different example that don't
> work, and one that does (where the destructor is removed).  atexit
> used in the so constuctor instead of a destructor also fails.
> 
> Complete code for shared object:
> class SimpleClass
> {
> public:
>         SimpleClass() {};
>         ~SimpleClass() {};
> };
> static SimpleClass gSimpleClass;
> 
> Complete code for executable linking .so above:
> 
> #include <dlfcn.h>
> #include <iostream>
> 
> int main(int argc, char *argv[])
> {
>    void* pSimple = dlopen("/tmp/libsimple_g.so.1", RTLD_NOW );
>    if( pSimple )
>    {
>            int returnVal = dlclose( pSimple );
>            std::cerr << "dlclose return value = " <<  returnVal <<
> std::endl;
>    }
>    else
>    {
>            std::cerr << "Unable to open simple" << std::endl;
>    }
>    return 0;
> }
> 
> 
> 
> 
> _______________________________________________
> 
> General
> http://community.qnx.com/sf/go/post71351
> 
> 

Hello David,

GA patch that fixes this issue can be downloaded from here:

http://www.qnx.com/download/feature.html?programid=21666


Thank you,

Aleksandar



On Wed, 2010-10-20 at 08:41 -0400, Aleksandar Ristovski wrote:
> Yes, this is a bug. GA patch addressing this problem is coming out very
> soon. I'll update this post when it becomes available.
> 
> 
> ---
> Aleksandar
> 
> 
> On Tue, 2010-10-19 at 16:19 -0400, David Baker wrote:
> > I am encountering an issue and have provided a test case.
> > 
> > If I have a armle-v7 shared object that I load and unload with
> > dlopen/dlclose that contains any sort of global object with a
> > destructor, I get a seg fault after the dlclose.  The exact same code
> > works fine on an 6.5 armle system.
> > 
> > The attached code and project have two different example that don't
> > work, and one that does (where the destructor is removed).  atexit
> > used in the so constuctor instead of a destructor also fails.
> > 
> > Complete code for shared object:
> > class SimpleClass
> > {
> > public:
> >         SimpleClass() {};
> >         ~SimpleClass() {};
> > };
> > static SimpleClass gSimpleClass;
> > 
> > Complete code for executable linking .so above:
> > 
> > #include <dlfcn.h>
> > #include <iostream>
> > 
> > int main(int argc, char *argv[])
> > {
> >    void* pSimple = dlopen("/tmp/libsimple_g.so.1", RTLD_NOW );
> >    if( pSimple )
> >    {
> >            int returnVal = dlclose( pSimple );
> >            std::cerr << "dlclose return value = " <<  returnVal <<
> > std::endl;
> >    }
> >    else
> >    {
> >            std::cerr << "Unable to open simple" << std::endl;
> >    }
> >    return 0;
> > }
> > 
> > 
> > 
> > 
> > _______________________________________________
> > 
> > General
> > http://community.qnx.com/sf/go/post71351
> > 
> > 
>