New kernel function: queue_clear()

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@5029 a1c6a512-1295-4272-9138-f99709370657

2 files changed, 7 insertions, 0 deletions

diff --git a/firmware/export/kernel.h b/firmware/export/kernel.h
index 97994c41df..e3dc5ecaa9 100644
--- a/firmware/export/kernel.h
+++ b/firmware/export/kernel.h
@@ -72,6 +72,7 @@ extern void queue_wait(struct event_queue *q, struct event *ev);
 extern void queue_wait_w_tmo(struct event_queue *q, struct event *ev, int ticks);
 extern void queue_post(struct event_queue *q, int id, void *data);
 extern bool queue_empty(const struct event_queue* q);
+void queue_clear(const struct event_queue* q);
 extern int queue_broadcast(int id, void *data);
 
 extern void mutex_init(struct mutex *m);
diff --git a/firmware/kernel.c b/firmware/kernel.c
index 2cb87ccbc9..6d9e2a8def 100644
--- a/firmware/kernel.c
+++ b/firmware/kernel.c
@@ -131,6 +131,12 @@ bool queue_empty(const struct event_queue* q)
     return ( q->read == q->write );
 }
 
+void queue_clear(const struct event_queue* q)
+{
+    q->read = 0;
+    q->write = 0;
+}
+
 int queue_broadcast(int id, void *data)
 {
    int i;