a trylock version of gdk_threads_enter?

[Rob Stoddard <rstoddard telanetix com>]

I have an issue that needs to be cleared up, I have two threads, a video 
decoder thread and a user interface thread.  The video decoder thread is 
supposed to render to a gtkglextmm widget.  Unfortunately, sometimes the 
user interface takes too long in doing some operations (reshuffling 
buttons when I bring new video thumbnails into view, etc.) and the video 
decoder blocks at gdk_threads_enter for so long that the RTP protocol 
thread starts dumping packets.  The results aren't pretty.   If there 
was a way that I could timeout on the gdk_threads_enter, I would greatly 
appreciate if somebody would please tell me, because I see nothing in 
the documentation about it.


Thank you for your assistance,

Rob Stoddard