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check that a task is valid before executing incase it was cancelled elsewhere

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also set runners in the short circuit path so we know of the pending task incase its long running
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Aikar 2018-03-17 12:58:27 -04:00
parent 7dfbe44247
commit 26b1519733
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1 changed files with 27 additions and 17 deletions
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34
Spigot-Server-Patches/0275-Improved-Async-Task-Scheduler.patch
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@ -1,4 +1,4 @@
From 64c30d8a2caa9ff443e46f399839579d9b4517c2 Mon Sep 17 00:00:00 2001
From 2b304a51b4e740aaab398d6bd31f54da4486ef81 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Fri, 16 Mar 2018 22:59:43 -0400
Subject: [PATCH] Improved Async Task Scheduler
@ -38,10 +38,10 @@ queue if a plugin schedules lots of asynchronous tasks.
diff --git a/src/main/java/org/bukkit/craftbukkit/scheduler/CraftAsyncScheduler.java b/src/main/java/org/bukkit/craftbukkit/scheduler/CraftAsyncScheduler.java
new file mode 100644
index 000000000..b1efbc3e7
index 000000000..cf5aada2f
--- /dev/null
+++ b/src/main/java/org/bukkit/craftbukkit/scheduler/CraftAsyncScheduler.java
@@ -0,0 +1,151 @@
@@ -0,0 +1,161 @@
+/*
+ * Copyright (c) 2018 Daniel Ennis (Aikar) MIT License
+ *
@ -82,6 +82,7 @@ index 000000000..b1efbc3e7
+
+ private final Executor management = Executors.newFixedThreadPool(1, new ThreadFactoryBuilder()
+ .setNameFormat("Craft Scheduler Management Thread").build());
+ private final List<CraftTask> temp = new ArrayList<>();
+ CraftAsyncScheduler() {
+ super(true);
+ }
@ -108,31 +109,40 @@ index 000000000..b1efbc3e7
+ }
+
+ private synchronized void runTasks(int currentTick) {
+ final List<CraftTask> temp = new ArrayList<>();
+ while (!this.pending.isEmpty() && this.pending.peek().getNextRun() <= currentTick) {
+ CraftTask task = this.pending.remove();
+ this.runners.put(task.getTaskId(), task);
+ this.executor.execute(new ServerSchedulerReportingWrapper(task));
+ if (executeTask(task)) {
+ final long period = task.getPeriod();
+ if (period > 0) {
+ task.setNextRun(currentTick + period);
+ temp.add(task);
+ }
+ }
+ }
+ this.pending.addAll(temp);
+ temp.clear();
+ }
+
+ @Override
+ protected CraftTask handle(CraftTask task, final long delay) {
+ if (task.getPeriod() == -1L && delay == 0L) {
+ this.executor.execute(task);
+ return task;
+ }
+ executeTask(task);
+ } else {
+ task.setNextRun(this.currentTick + delay);
+ this.management.execute(() -> this.addTask(task));
+ }
+ return task;
+ }
+
+ private boolean executeTask(CraftTask task) {
+ if (isValid(task)) {
+ this.runners.put(task.getTaskId(), task);
+ this.executor.execute(new ServerSchedulerReportingWrapper(task));
+ return true;
+ }
+ return false;
+ }
+
+ private synchronized void addTask(CraftTask task) {
+ this.pending.add(task);
+ }
@ -140,9 +150,9 @@ index 000000000..b1efbc3e7
+ @Override
+ public synchronized void cancelTasks(Plugin plugin) {
+ for (Iterator<CraftTask> iterator = this.pending.iterator(); iterator.hasNext(); ) {
+ CraftTask taskPending = iterator.next();
+ if (taskPending.getTaskId() != -1 && (plugin == null || taskPending.getOwner().equals(plugin))) {
+ taskPending.cancel0();
+ CraftTask task = iterator.next();
+ if (task.getTaskId() != -1 && (plugin == null || task.getOwner().equals(plugin))) {
+ task.cancel0();
+ iterator.remove();
+ }
+ }