Re: dlopen(), atexit() SEGV in NetBSD

[Channa <channa.kad%gmail.com@localhost>]

Hi,

2009/7/8 Thor Lancelot Simon <tls%panix.com@localhost>:
> On Wed, Jul 08, 2009 at 01:10:50PM +0530, Channa wrote:
>> Hi,
>> I am facing some issue with atexit handler in NetBSD.
>> The procedure to reproduce the problem i have explained below:
> [...]
>> Because after a dlopened library that calls atexit() the libexample.so
>> is dlclosed, an executable can't
>> access a registered handler in the library and causes SEGV.
>
> Well, of course it does.  The documentation is quite clear:
>
>     dlclose() unlinks and removes the object referred to by handle from the
>     process address space.

Yes but while calling fini functions in the dynamic linker , the
__cxa_finalize is called during that time the atexit() handlers
registered in the library can be called?

Or is there a method to unregister the atexit() handlers registered
while dlclose()?


Thanks & Regards,
Channa