Added queue_empty()

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@658 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 5 insertions, 0 deletions

diff --git a/firmware/kernel.c b/firmware/kernel.c
index c6ac1fb7aa..639b73def5 100644
--- a/firmware/kernel.c
+++ b/firmware/kernel.c
@@ -94,6 +94,11 @@ void queue_post(struct event_queue *q, int id, void *data)
     set_irq_level(oldlevel);
 }
 
+bool queue_empty(struct event_queue* q)
+{
+    return ( q->read == q->write );
+}
+
 
 /****************************************************************************
  * Timer tick