From 4348f12c6d56e94148dde7cac911275f4584b11c Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Wed, 16 Jan 2019 11:27:24 +0100
Subject: [HashChecker] Fix unlimited spawning of check threads

Stupid variable mixup resulted in endless spawning of new checker
threads that wouldn't go away after they're done.
---
 src/main/java/org/openslx/filetransfer/util/HashChecker.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/main/java/org/openslx/filetransfer/util/HashChecker.java b/src/main/java/org/openslx/filetransfer/util/HashChecker.java
index bddf829..f6b27f7 100644
--- a/src/main/java/org/openslx/filetransfer/util/HashChecker.java
+++ b/src/main/java/org/openslx/filetransfer/util/HashChecker.java
@@ -106,7 +106,8 @@ public class HashChecker
 				execCallback( task, HashResult.FAILURE );
 				return true;
 			}
-			if ( queue.isEmpty() ) {
+			if ( threads.isEmpty() ) {
+				// This is the first thread -- keep it around
 				CheckThread thread;
 				try {
 					thread = new CheckThread( false );
@@ -120,6 +121,7 @@ public class HashChecker
 				}
 			}
 			if ( queue.remainingCapacity() <= 1 && threads.size() < Runtime.getRuntime().availableProcessors() ) {
+				// Queue starts to fill up -- add more temporary threads
 				try {
 					CheckThread thread = new CheckThread( true );
 					thread.start();
-- 
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