From 5bc8cd0ecbc06ed46335e01037412a66fd3811ae Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@musicpd.org>
Date: Thu, 25 Apr 2019 19:45:52 +0200
Subject: [PATCH] event/Call: use std::lock_guard

---
 src/event/Call.cxx | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/event/Call.cxx b/src/event/Call.cxx
index 074d472d1..6a04917ea 100644
--- a/src/event/Call.cxx
+++ b/src/event/Call.cxx
@@ -71,10 +71,9 @@ private:
 			exception = std::current_exception();
 		}
 
-		mutex.lock();
+		const std::lock_guard<Mutex> lock(mutex);
 		done = true;
 		cond.signal();
-		mutex.unlock();
 	}
 };