From 53967b181e239d26686641531567dd5ca810eaef Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Mon, 29 Feb 2016 20:26:39 -0600
Subject: [PATCH] Fix ServerListPingEvent flagging as Async

This event can sometimes fire Async, set the proper boolean

diff --git a/src/main/java/org/bukkit/event/server/ServerEvent.java b/src/main/java/org/bukkit/event/server/ServerEvent.java
index eb00d6af..70416c81 100644
--- a/src/main/java/org/bukkit/event/server/ServerEvent.java
+++ b/src/main/java/org/bukkit/event/server/ServerEvent.java
@@ -1,9 +1,19 @@
 package org.bukkit.event.server;
 
+import org.bukkit.Bukkit;
 import org.bukkit.event.Event;
 
 /**
  * Miscellaneous server events
  */
 public abstract class ServerEvent extends Event {
+    // Paper start
+    public ServerEvent(boolean isAsync) {
+        super(isAsync);
+    }
+
+    public ServerEvent() {
+        super(!Bukkit.isPrimaryThread());
+    }
+    // Paper end
 }
diff --git a/src/main/java/org/bukkit/event/server/ServerListPingEvent.java b/src/main/java/org/bukkit/event/server/ServerListPingEvent.java
index 343f238f..3c38d857 100644
--- a/src/main/java/org/bukkit/event/server/ServerListPingEvent.java
+++ b/src/main/java/org/bukkit/event/server/ServerListPingEvent.java
@@ -21,6 +21,7 @@ public class ServerListPingEvent extends ServerEvent implements Iterable<Player>
     private int maxPlayers;
 
     public ServerListPingEvent(final InetAddress address, final String motd, final int numPlayers, final int maxPlayers) {
+        super(); // Paper - Is this event being fired async?
         Validate.isTrue(numPlayers >= 0, "Cannot have negative number of players online", numPlayers);
         this.address = address;
         this.motd = motd;
@@ -38,6 +39,7 @@ public class ServerListPingEvent extends ServerEvent implements Iterable<Player>
      * @param maxPlayers the max number of players
      */
     protected ServerListPingEvent(final InetAddress address, final String motd, final int maxPlayers) {
+        super(); // Paper - Is this event being fired async?
         this.numPlayers = MAGIC_PLAYER_COUNT;
         this.address = address;
         this.motd = motd;
-- 
2.20.1