From dcb29d2726791b4b770d4b36d27ee81d79a38f9e Mon Sep 17 00:00:00 2001
From: mzuther <mzuther@3ae390bd-cb1e-0410-b409-cd5a39f66f1f>
Date: Sun, 7 Feb 2010 02:52:59 +0000
Subject: BUG: handle negative delays in timer_process() (timer.c)

git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@1105 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
---
 timer.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/timer.c b/timer.c
index dfdb6e8..212c392 100644
--- a/timer.c
+++ b/timer.c
@@ -210,6 +210,10 @@ int timer_process(struct timespec *delay)
     struct timeval diff;
     timersub(&Timers[min].when, &now, &diff);
 
+    /* for negative delays, directly trigger next update */
+    if ((diff.tv_sec < 0) || (diff.tv_usec < 0))
+      timerclear(&diff);
+
     delay->tv_sec = diff.tv_sec;
     /* microseconds to nanoseconds!! */
     delay->tv_nsec = diff.tv_usec * 1000;
-- 
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