From dc1db4580af79baeab0013fc5553025b317e3e29 Mon Sep 17 00:00:00 2001
From: Kenneth Heafield <github@kheafield.com>
Date: Mon, 25 Jul 2016 17:50:49 +0100
Subject: [PATCH] Error check clock_gettime

---
 util/usage.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/util/usage.cc b/util/usage.cc
index f469f1971..6ece5714d 100644
--- a/util/usage.cc
+++ b/util/usage.cc
@@ -64,7 +64,7 @@ Wall GetWall() {
 typedef struct timespec Wall;
 Wall GetWall() {
   Wall ret;
-  clock_gettime(CLOCK_MONOTONIC, &ret);
+  UTIL_THROW_IF(-1 == clock_gettime(CLOCK_MONOTONIC, &ret), ErrnoException, "Could not get wall time");
   return ret;
 }
 #endif