From 080da4777d65f62a4f1a21fe7a23891454ee8e75 Mon Sep 17 00:00:00 2001
From: Alexandre Alapetite <alexandre.alapetite@alexandra.dk>
Date: Sat, 8 Jul 2017 11:03:41 +0200
Subject: [PATCH] Use unset after unlock

https://github.com/friendica/friendica/pull/3554#issuecomment-313741392
---
 src/Util/Lock.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Util/Lock.php b/src/Util/Lock.php
index 82d2fdda9..754a45ed9 100644
--- a/src/Util/Lock.php
+++ b/src/Util/Lock.php
@@ -161,7 +161,7 @@ class Lock {
 				return false;
 			} else {
 				$success = @sem_release(self::$semaphore[$fn_name]);
-				self::$semaphore[$fn_name] = 0;
+				unset(self::$semaphore[$fn_name]);
 				return $success;
 			}
 		}