From c831c9084afffdf10fa5dda865a6df5d643d83dd Mon Sep 17 00:00:00 2001
From: Pierre Ossman <ossman@cendio.se>
Date: Fri, 5 Jul 2024 13:48:14 +0200
Subject: Round up expiration time for timers

Otherwise we won't properly guarantee that we'll wait *at least* as long
as the specified time.
---
 common/rfb/Timer.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'common')

diff --git a/common/rfb/Timer.cxx b/common/rfb/Timer.cxx
index 5216c7e3..4654d50c 100644
--- a/common/rfb/Timer.cxx
+++ b/common/rfb/Timer.cxx
@@ -54,7 +54,7 @@ inline static timeval addMillis(timeval inTime, int millis) {
 }
 
 inline static int diffTimeMillis(timeval later, timeval earlier) {
-  return ((later.tv_sec - earlier.tv_sec) * 1000) + ((later.tv_usec - earlier.tv_usec) / 1000);
+  return ((later.tv_sec - earlier.tv_sec) * 1000) + ((later.tv_usec - earlier.tv_usec + 999) / 1000);
 }
 
 std::list<Timer*> Timer::pending;
-- 
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