Re: [Gtk-osx-users] Thread Question

[John Ralls <jralls ceridwen us>]

On Jun 17, 2011, at 12:23 AM, Chris Share wrote:

> Hi,
> 
> I'm currently trying to port Guitarix <http://guitarix.sourceforge.net/>from Linux to OSX.
> 
> I've managed to get Guitarix to build however the GUI is very unresponsive when it runs (up to 10 seconds of spodding at a time) making it unusable.
> 
> Guitarix is multithreaded and has a GUI thread and an audio processing thread.
> 
> If I kill the app (the only way I can get it to stop!) I get the following:
> 
> Program received signal SIGTSTP, Stopped (user).
> 0x00007fff8656e2e2 in semaphore_wait_signal_trap ()
> 
> 
> This makes me suspicious that there's a problem with the threading on OSX that is OK on Linux.
> 
> Just wondering if anyone has any thoughts on this or has experienced anything similar?


Yeah, that's come up before. The GUI thread needs to be the first one launched on OSX. I don't remember the details, but a search for "thread" in comments on bugzilla.gnome.org (specify gtk and platform:macosx) should turn them up.
 
Regards,
John Ralls