From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Sun, 3 Mar 2019 20:53:18 -0800
Subject: [PATCH] Not implemeneted

Currently a placeholder patch.

diff --git a/src/main/java/io/papermc/paper/util/TickThread.java b/src/main/java/io/papermc/paper/util/TickThread.java
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
--- /dev/null
+++ b/src/main/java/io/papermc/paper/util/TickThread.java
@@ -0,0 +0,0 @@
+package io.papermc.paper.util;
+
+import net.minecraft.server.MinecraftServer;
+import org.bukkit.Bukkit;
+
+public final class TickThread extends Thread {
+
+    public static final boolean STRICT_THREAD_CHECKS = Boolean.getBoolean("paper.strict-thread-checks");
+
+    static {
+        if (STRICT_THREAD_CHECKS) {
+            MinecraftServer.LOGGER.warn("Strict thread checks enabled - performance may suffer");
+        }
+    }
+
+    public static void softEnsureTickThread(final String reason) {
+        if (!STRICT_THREAD_CHECKS) {
+            return;
+        }
+        ensureTickThread(reason);
+    }
+
+
+    public static void ensureTickThread(final String reason) {
+        if (!Bukkit.isPrimaryThread()) {
+            MinecraftServer.LOGGER.fatal("Thread " + Thread.currentThread().getName() + " failed main thread check: " + reason, new Throwable());
+            throw new IllegalStateException(reason);
+        }
+    }
+
+    public final int id; /* We don't override getId as the spec requires that it be unique (with respect to all other threads) */
+
+    public TickThread(final Runnable run, final String name, final int id) {
+        super(run, name);
+        this.id = id;
+    }
+
+    public static TickThread getCurrentTickThread() {
+        return (TickThread)Thread.currentThread();
+    }
+}
diff --git a/src/main/java/org/spigotmc/AsyncCatcher.java b/src/main/java/org/spigotmc/AsyncCatcher.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/org/spigotmc/AsyncCatcher.java
+++ b/src/main/java/org/spigotmc/AsyncCatcher.java
@@ -0,0 +0,0 @@ public class AsyncCatcher
 
     public static void catchOp(String reason)
     {
-        if ( AsyncCatcher.enabled && Thread.currentThread() != MinecraftServer.getServer().serverThread )
+        if ( (AsyncCatcher.enabled || io.papermc.paper.util.TickThread.STRICT_THREAD_CHECKS) && Thread.currentThread() != MinecraftServer.getServer().serverThread ) // Paper
         {
             throw new IllegalStateException( "Asynchronous " + reason + "!" );
         }