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Updated Upstream (Bukkit/CraftBukkit/Spigot) (#5643)

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Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
146a7e4b SPIGOT-5345: Add automatic library support

CraftBukkit Changes:
b1064c69 Remove sisu annotation processor from jar
32e40866 SPIGOT-6189: Persistent data disappears when calling setFacingDirection on an item frame
d189f78b # 827: Trigger vanilla dimension advancements in non-main worlds
5bbb4a65 Add plumbing for automatic library support

Spigot Changes:
9fb885e8 Rebuild patches
This commit is contained in:
Jake Potrebic 2021-05-15 15:52:07 -07:00 • committed by GitHub
parent ecbf5a38e5
commit cb896d4710
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
56 changed files with 228 additions and 232 deletions
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26
Spigot-API-Patches/0193-Make-JavaPluginLoader-thread-safe.patch
View file

@ -5,40 +5,34 @@ Subject: [PATCH] Make JavaPluginLoader thread-safe
diff --git a/src/main/java/org/bukkit/plugin/java/JavaPluginLoader.java b/src/main/java/org/bukkit/plugin/java/JavaPluginLoader.java
index de44d850d7b3ab3e528eb6f2de375a6c3e0e5cf9..9d1f7cdf12029c8198792fd299f92be476040222 100644
index f26303315c9c93356f0b04440136855dd54d32b7..ce751577623eaad0f31e2eb7bf0842d1ab73e845 100644
--- a/src/main/java/org/bukkit/plugin/java/JavaPluginLoader.java
+++ b/src/main/java/org/bukkit/plugin/java/JavaPluginLoader.java
@@ -52,6 +52,8 @@ public final class JavaPluginLoader implements PluginLoader {
@@ -52,6 +52,8 @@ import org.yaml.snakeyaml.error.YAMLException;
public final class JavaPluginLoader implements PluginLoader {
final Server server;
private final Pattern[] fileFilters = new Pattern[]{Pattern.compile("\\.jar$")};
private final Map<String, Class<?>> classes = new ConcurrentHashMap<String, Class<?>>();
+ private final Map<String, java.util.concurrent.locks.ReentrantReadWriteLock> classLoadLock = new java.util.HashMap<String, java.util.concurrent.locks.ReentrantReadWriteLock>(); // Paper
+ private final Map<String, Integer> classLoadLockCount = new java.util.HashMap<String, Integer>(); // Paper
private final List<PluginClassLoader> loaders = new CopyOnWriteArrayList<PluginClassLoader>();
private final LibraryLoader libraryLoader;
/**
@@ -191,7 +193,19 @@ public final class JavaPluginLoader implements PluginLoader {
@@ -201,12 +203,33 @@ public final class JavaPluginLoader implements PluginLoader {
@Nullable
Class<?> getClassByName(final String name) {
Class<?> getClassByName(final String name, boolean resolve, PluginDescriptionFile description) {
+ // Paper start - make MT safe
Class<?> cachedClass = classes.get(name);
+ if (cachedClass != null) {
+ return cachedClass;
+ }
+ java.util.concurrent.locks.ReentrantReadWriteLock lock;
+ synchronized (classLoadLock) {
+ lock = classLoadLock.computeIfAbsent(name, (x) -> new java.util.concurrent.locks.ReentrantReadWriteLock());
+ classLoadLockCount.compute(name, (x, prev) -> prev != null ? prev + 1 : 1);
+ }
+ lock.writeLock().lock();try {
+ cachedClass = classes.get(name);
+ // Paper end
if (cachedClass != null) {
return cachedClass;
@@ -205,6 +219,19 @@ public final class JavaPluginLoader implements PluginLoader {
}
for (PluginClassLoader loader : loaders) {
try {
return loader.loadClass0(name, resolve, false, ((SimplePluginManager) server.getPluginManager()).isTransitiveDepend(description, loader.plugin.getDescription()));
} catch (ClassNotFoundException cnfe) {
}
}
+ // Paper start - make MT safe