On Wed, Feb 12, 2003 at 10:17:00PM +0200, Arto Huusko wrote:

 >  - The app is a GTK+ 2 program (yes, all packages have been rebuilt, the
 >    issue is not mismatch with old thread libs)
 >  - When the assert fires, the process contains only one thread (and has
 >    never contained any other threads)
 >  - The general context here is this:
 >    * gdk_threads_enter()
 >    * gtk_main()
 >    * gtk signal handler ->
 >    * code which calls gdk_threads_enter()
 >  (I'm not sure if I'm supposed to call gdk_threads_enter() while I
 >  already have the GTK+ lock, but this is another issue).

Correct.  You are allowed to do VERY LITTLE inside a signal handler.  This
includes acquiring any mutexes.

-- 
        -- Jason R. Thorpe <thorpej@wasabisystems.com>