From 31b3e5ab686740dcafff328b519b3c22ae4d3abd Mon Sep 17 00:00:00 2001
From: Danny Robson <danny@nerdcruft.net>
Date: Mon, 19 Jan 2015 19:11:57 +1100
Subject: [PATCH] time: use monotonic_clock

monotonic is unaffected by system time changes
---
 time.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/time.cpp b/time.cpp
index 974e4c18..68539b7c 100644
--- a/time.cpp
+++ b/time.cpp
@@ -56,7 +56,7 @@ util::sleep (uint64_t ns) {
 uint64_t
 util::nanoseconds (void) {
     struct timespec t;
-    clock_gettime (CLOCK_REALTIME, &t);
+    clock_gettime (CLOCK_MONOTONIC, &t);
 
     CHECK_SOFT (t.tv_sec  > 0);
     CHECK_SOFT (t.tv_nsec > 0);