Re: SIGABRT due double free

[Andreas Stricker <andreas stricker fela ch>]

Fernando ApesteguXa schrieb:
> I'm developing a gtk/gnome application with two threads. An schema of
> the application is this:
>
[SNIP]
> thread_func is updating data periodically with a sleep pause.
> At this point, I suppose the other thread is catching events normally
> (in fact, tabs of the notebook changes without problems). Well, at
> short time from run app, I get:
>
> *** glibc detected *** double free or corruption (!prev): 0x00000000006115a0 ***
> Program received signal SIGABRT, Aborted.
[SNIP]
> The curious thing is that I _have not_ any free, realloc or malloc in
> my code, only those that gtk/glib functions like g_file_get_contents
> can perform.

This looks like a race condition due missing mutual exclusion.
Did you read the API documentation and the various tutorials?

http://www.gtk.org/api/2.6/gdk/gdk-Threads.html

Cheers,

Andy