From cc0552877bd56629e44c82d18273d80f9ec05ef1 Mon Sep 17 00:00:00 2001
From: Linus Nielsen Feltzing <linus@haxx.se>
Date: Wed, 1 Sep 2004 06:24:05 +0000
Subject: [PATCH] Made queue_clear() atomic, and made the argument non-const

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@5030 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/kernel.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/firmware/kernel.c b/firmware/kernel.c
index 6d9e2a8def..a9c7711003 100644
--- a/firmware/kernel.c
+++ b/firmware/kernel.c
@@ -131,10 +131,12 @@ bool queue_empty(const struct event_queue* q)
     return ( q->read == q->write );
 }
 
-void queue_clear(const struct event_queue* q)
+void queue_clear(struct event_queue* q)
 {
+    int oldlevel = set_irq_level(HIGHEST_IRQ_LEVEL);
     q->read = 0;
     q->write = 0;
+    set_irq_level(oldlevel);
 }
 
 int queue_broadcast(int id, void *data)