Re: segfault on gtk_init

[Ian King <king eiffel com>]

Hi,

Have you tried linking against gthread-2.0 instead of gthread?

IEK

ginko wrote:
> This program written for multiple threads experiences a segfault very early
> on; the stripped down code is as follows (the segfault occurs on
> gtk_init()):
>
> #include <pthread.h>
> #include <glib.h>
> #include <gtk/gtk.h>
>
> int main(int argc, char* argv[])
> {
>    if (!g_thread_supported())
>    {
>       g_thread_init(NULL);
>       gdk_threads_init();
>       //printf("Entered.\n");
>    }
>
>    gtk_init(&argc, &argv);
>
>    return 0;
> }
>
> The segfault is confusing, since the program's barely done anything yet.
> Running with GDB outputs this:
>
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 1088074176 (LWP 15889)]
> 0x40381d14 in pthread_mutex_lock () from /lib/tls/libpthread.so.0
>
> Compiled with Eclipse's CDT plugin using the following:
>
> g++ 
>
> -I/usr/local/include/gtk-2.0 -I/usr/local/lib/gtk-2.0/include
> -I/usr/include/cairo -I/usr/include/freetype2 -I/usr/X11R6/include
> -I/usr/include/libpng12 -I/opt/gnome/include/atk-1.0
> -I/opt/gnome/include/pango-1.0 -I/opt/gnome/include/glib-2.0
> -I/opt/gnome/lib/glib-2.0/include -O0 -g3 -Wall -c -fmessage-length=0
>
> -lavcodec -lgthread -lpthread -lavformat -lgtk-x11-2.0 -lgdk-x11-2.0
> -latk-1.0 -lgdk_pixbuf.2.0 -lpangocairo-1.0 -lpango-1.0 -lcairo
> -lgobject-2.0 -lgmodule-2.0 -ldl -lglib-2.0 -lfreetype -lfontconfig
> -lXrender -lX11 -lXext -lpng12 -lz -lglitz -lm
>
> -L/usr/local/lib -L/usr/X11R6/lib -L/opt/gnome/lib
>
>
> Thanks for any input.
> --
> View this message in context: http://www.nabble.com/segfault-on-gtk_init-t1452085.html#a3924153
> Sent from the Gtk+ - General forum at Nabble.com.
>
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