From f601bc049258ed438aa6f8199c5be11770d44aaf Mon Sep 17 00:00:00 2001
From: Will Dietz <w@wdtz.org>
Date: Mon, 18 Jun 2018 17:31:00 -0500
Subject: [PATCH] sync.hh: return cv_status instead of dropping it, in case
 useful.

---
 src/libutil/sync.hh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/libutil/sync.hh b/src/libutil/sync.hh
index 3b2710f6..e1d591d7 100644
--- a/src/libutil/sync.hh
+++ b/src/libutil/sync.hh
@@ -57,11 +57,11 @@ public:
         }
 
         template<class Rep, class Period>
-        void wait_for(std::condition_variable & cv,
+        std::cv_status wait_for(std::condition_variable & cv,
             const std::chrono::duration<Rep, Period> & duration)
         {
             assert(s);
-            cv.wait_for(lk, duration);
+            return cv.wait_for(lk, duration);
         }
 
         template<class Rep, class Period, class Predicate>