From 64f2e7dcd11bd9a0269766ef422c298779c20a5b Mon Sep 17 00:00:00 2001
From: Sotr <i@omc.hk>
Date: Sat, 11 Aug 2018 17:43:04 +0800
Subject: [PATCH] Fixes a rare dead lock

---
 .../main/java/net/minecraft/server/ChunkProviderServer.java    | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sources/src/main/java/net/minecraft/server/ChunkProviderServer.java b/sources/src/main/java/net/minecraft/server/ChunkProviderServer.java
index 73a1b1c4f..7c3d918f2 100644
--- a/sources/src/main/java/net/minecraft/server/ChunkProviderServer.java
+++ b/sources/src/main/java/net/minecraft/server/ChunkProviderServer.java
@@ -209,6 +209,8 @@ public class ChunkProviderServer implements IChunkProvider {
         Long2ObjectMap long2objectmap = this.chunks;
         Chunk chunk;
 
+        Akari.eventLock.lock(); // Akarin
+        try { // Akarin
         synchronized (this.chunks) {
             Chunk chunk1 = (Chunk) this.chunks.get(k);
 
@@ -228,6 +230,7 @@ public class ChunkProviderServer implements IChunkProvider {
 
             this.chunks.put(k, chunk);
         }
+        } finally { Akari.eventLock.unlock(); } // Akarin
 
         chunk.addEntities();
         return chunk;