From a9e780978ae9639257f349eba0b885c540e5dae7 Mon Sep 17 00:00:00 2001
From: CraftBukkit/Spigot <noreply+git-craftbukkit@papermc.io>
Date: Sun, 15 Jan 2012 18:49:16 +0000
Subject: [PATCH] Fixed LongHashset incorrectly using read lock for popAll, and
 made it use write lock. This fixes BUKKIT-509

By: Nathan Adams <dinnerbone@dinnerbone.com>
---
 .../main/java/org/bukkit/craftbukkit/util/LongHashset.java    | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/paper-server/src/main/java/org/bukkit/craftbukkit/util/LongHashset.java b/paper-server/src/main/java/org/bukkit/craftbukkit/util/LongHashset.java
index 25563c4c7..e5847c359 100644
--- a/paper-server/src/main/java/org/bukkit/craftbukkit/util/LongHashset.java
+++ b/paper-server/src/main/java/org/bukkit/craftbukkit/util/LongHashset.java
@@ -131,7 +131,7 @@ public class LongHashset extends LongHash {
 
     public long[] popAll() {
         int index = 0;
-        rl.lock();
+        wl.lock();
         try {
             long[] ret = new long[this.count];
             for (long[][] outer : this.values) {
@@ -150,7 +150,7 @@ public class LongHashset extends LongHash {
             count = 0;
             return ret;
         } finally {
-            rl.unlock();
+            wl.unlock();
         }
     }