xace: Add XaceHookIsSet helper function

Signed-off-by: Andrew Eikum <aeikum@codeweavers.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

1 files changed, 3 insertions, 0 deletions

diff --git a/Xext/xace.h b/Xext/xace.h
index 5e6cb0437..3303f76bc 100644
--- a/Xext/xace.h
+++ b/Xext/xace.h
@@ -65,6 +65,9 @@ extern _X_EXPORT int XaceHook(int /*hook */ ,
                               ...       /*appropriate args for hook */
     );
 
+/* determine whether any callbacks are present for the XACE hook */
+extern _X_EXPORT int XaceHookIsSet(int hook);
+
 /* Special-cased hook functions
  */
 extern _X_EXPORT int XaceHookDispatch(ClientPtr ptr, int major);