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-rw-r--r--gdk/gdkglobals.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/gdk/gdkglobals.c b/gdk/gdkglobals.c
index a4ec657457..d3d332f5dc 100644
--- a/gdk/gdkglobals.c
+++ b/gdk/gdkglobals.c
@@ -40,5 +40,6 @@ gchar *_gdk_display_arg_name = NULL;
GSList *_gdk_displays = NULL;
-GMutex *gdk_threads_mutex = NULL; /* Global GDK lock */
-
+GMutex *gdk_threads_mutex = NULL; /* Global GDK lock */
+GCallback gdk_threads_lock = NULL;
+GCallback gdk_threads_unlock = NULL;