From e52d98ad8bcce5b85647921a7aa12168451a1ac6 Mon Sep 17 00:00:00 2001
From: SquidDev <git@squiddev.cc>
Date: Fri, 10 Apr 2020 14:28:46 +0100
Subject: [PATCH] Make IDAssigner.getNextID synchronized

This should prevent race conditions when allocating IDs. Fixes #386.
---
 src/main/java/dan200/computercraft/shared/util/IDAssigner.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/dan200/computercraft/shared/util/IDAssigner.java b/src/main/java/dan200/computercraft/shared/util/IDAssigner.java
index fd0f222ab..fbbf461bf 100644
--- a/src/main/java/dan200/computercraft/shared/util/IDAssigner.java
+++ b/src/main/java/dan200/computercraft/shared/util/IDAssigner.java
@@ -36,7 +36,7 @@ public final class IDAssigner
         return getNextID( file, false );
     }
 
-    private static int getNextID( File location, boolean directory )
+    private static synchronized int getNextID( File location, boolean directory )
     {
         // Determine where to locate ID file
         File lastIdFile;