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459987d69f
improved the water code so that immunity wont trigger if the entity has the water pathfinder system active, so this improves support for all entities that know how to behave in water. Merged 2 EAR patches together, and removed an MCUtil method that doesnt have a purpose anymore
36 lines
1.6 KiB
Diff
36 lines
1.6 KiB
Diff
From 6e01cd4caf34532a9e356ae702e8bdf732171b68 Mon Sep 17 00:00:00 2001
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From: Shane Freeder <theboyetronic@gmail.com>
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Date: Wed, 3 Oct 2018 19:04:53 +0100
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Subject: [PATCH] Fix FileIOThread concurrency issues
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FileIOThread was using two volatile counters in order to track if
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any pending work was in the queue, this causes potential concurrency
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issues when this counter is updated from multiple threads, potentially
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causing these counters to desync due to the unsafe volatile update
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diff --git a/src/main/java/net/minecraft/server/FileIOThread.java b/src/main/java/net/minecraft/server/FileIOThread.java
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index 97917551a4..1959bc0660 100644
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--- a/src/main/java/net/minecraft/server/FileIOThread.java
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+++ b/src/main/java/net/minecraft/server/FileIOThread.java
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@@ -9,7 +9,7 @@ import org.apache.logging.log4j.Logger;
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public class FileIOThread implements Runnable {
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private static final Logger a = LogManager.getLogger();
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private static final FileIOThread b = new FileIOThread();
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- private final List<IAsyncChunkSaver> c = Collections.synchronizedList(Lists.newArrayList());
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+ private final List<IAsyncChunkSaver> c = Collections.synchronizedList(Lists.newArrayList()); private List<IAsyncChunkSaver> getThreadedIOQueue() { return c; } // Paper - OBFHELPER
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private volatile long d;
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private volatile long e;
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private volatile boolean f;
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@@ -72,7 +72,7 @@ public class FileIOThread implements Runnable {
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public void b() throws InterruptedException {
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this.f = true;
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- while(this.d != this.e) {
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+ while(!this.getThreadedIOQueue().isEmpty()) { // Paper - check actual list size
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Thread.sleep(10L);
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}
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--
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2.19.0
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