[clutter] docs: Include test-threads.c in the API reference

[Emmanuele Bassi <ebassi src gnome org>]

commit ef1a3a5477706126334aa9bd51b5db2f2d9f7abe
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Thu Oct 13 10:42:30 2011 +0100

    docs: Include test-threads.c in the API reference
    
    We can use the test-threads.c interactive test as part of the documentation
    on how to use threads with Clutter.

 clutter/clutter-main.c |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)
---
diff --git a/clutter/clutter-main.c b/clutter/clutter-main.c
index a6e5f4c..41f9393 100644
--- a/clutter/clutter-main.c
+++ b/clutter/clutter-main.c
@@ -77,6 +77,16 @@
  *   g_timeout_add() that acquire the Clutter lock before invoking the provided
  *   callback: clutter_threads_add_idle() and
  *   clutter_threads_add_timeout().</para>
+ *   <para>The example below shows how to use a worker thread to perform a
+ *   blocking operation, and perform UI updates using the main loop.</para>
+ *   <example id="worker-thread-example">
+ *     <title>A worker thread example</title>
+ *     <programlisting>
+ * <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"; parse="text" href="../../../../tests/interactive/test-thread.c">
+ *   <xi:fallback>FIXME: MISSING XINCLUDE CONTENT</xi:fallback>
+ * </xi:include>
+ *     </programlisting>
+ *   </example>
  * </refsect2>
  */