diff --git a/src/common/timer.c b/src/common/timer.c
index 4b07d13..d13414a 100644
--- a/src/common/timer.c
+++ b/src/common/timer.c
@@ -89,6 +89,16 @@ void timer_stop(struct timer *timer)
 	timer->timeout = 0;
 }
 
+int timer_running(struct timer *timer)
+{
+	if (!timer->linked) {
+		fprintf(stderr, "Timer is not initialized, aborting!\n");
+		abort();
+	}
+
+	return (timer->timeout != 0);
+}
+
 void process_timer(void)
 {
 	struct timer *timer = timer_head;
diff --git a/src/common/timer.h b/src/common/timer.h
index 49136ab..2073a8f 100644
--- a/src/common/timer.h
+++ b/src/common/timer.h
@@ -13,5 +13,6 @@ void timer_init(struct timer *timer, void (*fn)(struct timer *timer), void *priv
 void timer_exit(struct timer *timer);
 void timer_start(struct timer *timer, double duration);
 void timer_stop(struct timer *timer);
+int timer_running(struct timer *timer);
 void process_timer(void);