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Gale/patches/server/0145-Non-blocking-PooledObjects.patch
2022-12-26 05:20:20 +01:00

78 lines
2.9 KiB
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Martijn Muijsers <martijnmuijsers@live.nl>
Date: Thu, 22 Dec 2022 16:14:50 +0100
Subject: [PATCH] Non-blocking PooledObjects
License: AGPL-3.0 (https://www.gnu.org/licenses/agpl-3.0.html)
Gale - https://galemc.org
diff --git a/src/main/java/com/destroystokyo/paper/util/pooled/PooledObjects.java b/src/main/java/com/destroystokyo/paper/util/pooled/PooledObjects.java
index a743703502cea333bd4231b6557de50e8eaf81eb..0566757ed94cb2c41ace660ef71c8f99b0335032 100644
--- a/src/main/java/com/destroystokyo/paper/util/pooled/PooledObjects.java
+++ b/src/main/java/com/destroystokyo/paper/util/pooled/PooledObjects.java
@@ -2,11 +2,18 @@ package com.destroystokyo.paper.util.pooled;
import io.papermc.paper.util.MCUtil;
import org.apache.commons.lang3.mutable.MutableInt;
+import org.galemc.gale.concurrent.Mutex;
+import org.galemc.gale.executor.annotation.YieldFree;
+import org.galemc.gale.executor.annotation.thread.AnyThreadSafe;
import java.util.ArrayDeque;
import java.util.function.Consumer;
import java.util.function.Supplier;
+// Gale start - non-blocking PooledObjects
+@AnyThreadSafe
+@YieldFree
+// Gale end - non-blocking PooledObjects
public final class PooledObjects<E> {
/**
@@ -36,6 +43,7 @@ public final class PooledObjects<E> {
private final Consumer<E> releaser;
private final int maxPoolSize;
private final ArrayDeque<E> queue;
+ private final Mutex queueLock = Mutex.create(); // Gale - non-blocking PooledObjects
public PooledObjects(final Supplier<E> creator, int maxPoolSize) {
this(creator, maxPoolSize, null);
@@ -66,8 +74,16 @@ public final class PooledObjects<E> {
public final E acquire() {
E value;
- synchronized (queue) {
+ // Gale start - non-blocking PooledObjects
+ //noinspection StatementWithEmptyBody
+ while (!this.queueLock.tryAcquire());
+ try {
+ // Gale end - non-blocking PooledObjects
value = this.queue.pollLast();
+ // Gale start - non-blocking PooledObjects
+ } finally {
+ this.queueLock.release();
+ // Gale end - non-blocking PooledObjects
}
return value != null ? value : this.creator.get();
}
@@ -76,10 +92,18 @@ public final class PooledObjects<E> {
if (this.releaser != null) {
this.releaser.accept(value);
}
- synchronized (this.queue) {
+ // Gale start - non-blocking PooledObjects
+ //noinspection StatementWithEmptyBody
+ while (!this.queueLock.tryAcquire());
+ try {
+ // Gale end - non-blocking PooledObjects
if (queue.size() < this.maxPoolSize) {
this.queue.addLast(value);
}
+ // Gale start - non-blocking PooledObjects
+ } finally {
+ this.queueLock.release();
+ // Gale end - non-blocking PooledObjects
}
}
}