From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: MartijnMuijsers <martijnmuijsers@live.nl>
Date: Tue, 29 Nov 2022 13:10:20 +0100
Subject: [PATCH] Remove Paper async executor

License: AGPL-3.0 (https://www.gnu.org/licenses/agpl-3.0.html)

This patch was taken from Gale.

diff --git a/src/main/java/io/papermc/paper/util/MCUtil.java b/src/main/java/io/papermc/paper/util/MCUtil.java
index b5d4c53bf1046fa52da5398491258b94f1e0fcd0..d5f6fc421bea74b711f99fc14ff916643bfe071a 100644
--- a/src/main/java/io/papermc/paper/util/MCUtil.java
+++ b/src/main/java/io/papermc/paper/util/MCUtil.java
@@ -34,6 +34,7 @@ import org.bukkit.Location;
 import org.bukkit.block.BlockFace;
 import org.bukkit.craftbukkit.CraftWorld;
 import org.bukkit.craftbukkit.util.Waitable;
+import org.galemc.gale.concurrent.AsyncExecutor;
 import org.spigotmc.AsyncCatcher;
 
 import javax.annotation.Nonnull;
@@ -45,6 +46,7 @@ import java.util.Queue;
 import java.util.Set;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.ExecutionException;
+import java.util.concurrent.Executor;
 import java.util.concurrent.LinkedBlockingQueue;
 import java.util.concurrent.ThreadPoolExecutor;
 import java.util.concurrent.TimeUnit;
@@ -55,14 +57,7 @@ import java.util.function.Consumer;
 import java.util.function.Supplier;
 
 public final class MCUtil {
-    public static final ThreadPoolExecutor asyncExecutor = new ThreadPoolExecutor(
-        0, 2, 60L, TimeUnit.SECONDS,
-        new LinkedBlockingQueue<>(),
-        new ThreadFactoryBuilder()
-            .setNameFormat("Paper Async Task Handler Thread - %1$d")
-            .setUncaughtExceptionHandler(new net.minecraft.DefaultUncaughtExceptionHandlerWithName(MinecraftServer.LOGGER))
-            .build()
-    );
+    public static final Executor asyncExecutor = AsyncExecutor.instance; // Gale - centralized async execution - remove Paper async executor
     public static final ThreadPoolExecutor cleanerExecutor = new ThreadPoolExecutor(
         1, 1, 0L, TimeUnit.SECONDS,
         new LinkedBlockingQueue<>(),
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index ae95e3af64811f6f149a01b9715d8fdd2c2583fa..462689f5c35c5379a0281fe61ad91ae3288d279d 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -155,6 +155,7 @@ import net.minecraft.world.phys.Vec2;
 import net.minecraft.world.phys.Vec3;
 import org.apache.commons.lang3.Validate;
 import org.slf4j.Logger;
+import org.galemc.gale.concurrent.AsyncExecutor; // Gale
 
 // CraftBukkit start
 import com.mojang.serialization.DynamicOps;
@@ -993,8 +994,10 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
             MinecraftServer.LOGGER.error("Failed to unlock level {}", this.storageSource.getLevelId(), ioexception1);
         }
         // Spigot start
-        io.papermc.paper.util.MCUtil.asyncExecutor.shutdown(); // Paper
-        try { io.papermc.paper.util.MCUtil.asyncExecutor.awaitTermination(30, java.util.concurrent.TimeUnit.SECONDS); // Paper
+        // Gale start - centralized async execution - remove Paper async executor
+        AsyncExecutor.instance.shutdown(); // Paper
+        try { AsyncExecutor.instance.awaitTermination(30, java.util.concurrent.TimeUnit.SECONDS); // Paper
+            // Gale end - centralized async execution - remove Paper async executor
         } catch (java.lang.InterruptedException ignored) {} // Paper
         if (org.spigotmc.SpigotConfig.saveUserCacheOnStopOnly) {
             MinecraftServer.LOGGER.info("Saving usercache.json");