Re: Threads

["Jasper St. Pierre" <jstpierre mecheye net>]

On Fri, Oct 18, 2013 at 9:02 PM, Craig Bakalian <craigbakalian verizon net> wrote:

Hi,

I just updated to Ubuntu 13.10 and I have no support for

gdk_threads_enter();
gdk_threads_leave();

So, my app is crashing with signal errors.  I use a GtkTextView to enter midi data from a midi keyboard.  The midi keyboard sends and event to a jack callback process, which then sends a message to a GtkTextView.  And there is a thread issue because the midi jack callback is entering into the gtk_main().  So, in the past gdk_threads_enter(); gdk_threads_leave(); worked wonders for me. But, now no support.

Why would a JACK callback call gtk_main()? Something sounds wrong here.

Is there a work around for this depreciation?

The correct way to do this is to use gdk_threads_idle_add to schedule a method to be run on the UI thread. You can pass any data you want in here, e.g. the message to send ot the GtkTextView.

 

Craig Bakalian
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--
  Jasper