Use gdk_threads_enter/gdk_threads_leave to ensure gtk multithread safe

If the video player tries to play an unknown type file, it will enter
the error_cb() function, which is called in another thread.
Use gdk_threads_enter/gdk_threads_leave to ensure the safe of gtk
multi-thread operation.

This fixes [BUGID #474]

Signed-off-by: Dongxiao Xu <dongxiao.xu@intel.com>

1 files changed, 38 insertions, 0 deletions

diff --git a/meta/recipes-sato/owl-video-widget/owl-video/gtk_multithread_safe.patch b/meta/recipes-sato/owl-video-widget/owl-video/gtk_multithread_safe.patch
new file mode 100644
index 000000000..e153c5e3b
--- /dev/null
+++ b/meta/recipes-sato/owl-video-widget/owl-video/gtk_multithread_safe.patch
@@ -0,0 +1,38 @@
+Use gdk_threads_enter/gdk_threads_leave to ensure gtk multithread safe
+
+If the video player tries to play an unknown type file, it will enter
+the error_cb() function, which is called in another thread.
+Use gdk_threads_enter/gdk_threads_leave to ensure the safe of gtk
+multi-thread operation.
+
+Signed-off-by: Dongxiao Xu <dongxiao.xu@intel.com>
+
+diff -ruN video-orig/src/video.c video/src/video.c
+--- video-orig/src/video.c	2010-10-15 16:07:26.522346398 +0800
++++ video/src/video.c	2010-10-15 16:25:51.780296717 +0800
+@@ -96,6 +96,7 @@
+ {
+         GtkWidget *dialog;
+ 
++        gdk_threads_enter();
+         dialog = gtk_message_dialog_new (data->window,
+                                          GTK_DIALOG_NO_SEPARATOR,
+                                          GTK_MESSAGE_ERROR,
+@@ -103,6 +104,7 @@
+                                          error->message);
+         gtk_dialog_run (GTK_DIALOG (dialog));
+         gtk_widget_destroy (dialog);
++        gdk_threads_leave();
+ }
+ 
+ /**
+@@ -606,7 +608,9 @@
+         
+         gtk_widget_show_all (GTK_WIDGET (data->window));
+ 
++        gdk_threads_enter();
+         gtk_main ();
++        gdk_threads_leave();
+ 
+         /**
+          * Cleanup.