From b0f22fb96d10d432fd5396f9ac769c3d02a1a932 Mon Sep 17 00:00:00 2001
From: Matthias Ringwald <matthias@ringwald.ch>
Date: Mon, 21 Sep 2015 17:56:38 +0200
Subject: [PATCH] mark system_ticks as volatile as it is updated from ISR
 context

---
 src/run_loop_embedded.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/run_loop_embedded.c b/src/run_loop_embedded.c
index d456d2b66..5f94af9a3 100644
--- a/src/run_loop_embedded.c
+++ b/src/run_loop_embedded.c
@@ -83,7 +83,7 @@ static linked_list_t timers;
 #endif
 
 #ifdef HAVE_TICK
-static uint32_t system_ticks;
+static volatile uint32_t system_ticks;
 #endif
 
 static int trigger_event_received = 0;