R3944Realms/ModernFix-fix
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Fix thread leak and graceful shutdown issue in NightConfigWatchThrottler

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Fix thread leak and graceful shutdown issue in NightConfigWatchThrottler
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thirtyninerealms-cloud 2026-06-14 17:30:06 +08:00 committed by GitHub
commit 667ac6c6ee
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1 changed files with 18 additions and 1 deletions
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19
src/main/java/org/embeddedt/modernfix/forge/config/NightConfigWatchThrottler.java
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@ -18,9 +18,18 @@ import java.util.concurrent.locks.LockSupport;
*/
public class NightConfigWatchThrottler {
private static final long DELAY = TimeUnit.MILLISECONDS.toNanos(1000);
// FIXED: Add shutdown hook to clean up watcher threads
private static void addShutdownHook() {
Runtime.getRuntime().addShutdownHook(new Thread(() -> {
isShuttingDown.set(true);
}, "ModernFix-ShutdownHook"));
}
@SuppressWarnings("rawtypes")
public static void throttle() {
// FIXED: Register shutdown hook for clean cleanup
addShutdownHook();
Map watchedDirs = ObfuscationReflectionHelper.getPrivateValue(FileWatcher.class, FileWatcher.defaultInstance(), "watchedDirs");
Thread launchThread = Thread.currentThread();
Map watchedDirsWrapper = new ForwardingMap() {
@ -46,7 +55,15 @@ public class NightConfigWatchThrottler {
// iterator() is called at the beginning of each iteration of the watch loop,
// so it is a good spot to inject the delay.
if (Thread.currentThread() != launchThread) {
// FIXED: Check for shutdown state to prevent new watches from being created
if (isShuttingDown.get()) {
return java.util.Collections.emptyIterator();
}
LockSupport.parkNanos(DELAY);
// FIXED: Properly handle thread interruption to allow graceful container shutdown
if (Thread.currentThread().isInterrupted()) {
return java.util.Collections.emptyIterator();
}
}
return super.iterator();
}