Re: problems with threads in a shared object

[Tristan Van Berkom <tvb gnome org>]

Luka Napotnik wrote:
> I have a program that imports plugins via dlopen and dlsym(). In those
> plugins I use functions like g_mutex_lock to lock a variable, declared in
> the main program. But when getting to the mutex function the whole program
> crashes.
> The .so library is compiled with:
>
> gcc -g -O0 -shared `pkg-config --libs --cflags gtk+-2.0 glib-2.0
> gthread-2.0` rr.c -o rr.so
>
> What's wrong?

Good question, did you initialize the threading library ? what did the
stack trace clue you into ? what was the state of the mutex variable
when you attempted to lock it ? unlocked, locked... uncreated ?

Cheers,
                   -Tristan