From f9d44b00b686b9973139863c7d6472c2b7a11eb3 Mon Sep 17 00:00:00 2001
From: Tom Tromey <tromey@redhat.com>
Date: Tue, 13 Nov 2001 23:09:23 +0000
Subject: re PR libgcj/4859 (java.util.Timer class throw IllegalStateException
 on cancel())

	Fix for PR libgcj/4859:
	* java/util/Timer.java (TaskQueue.isStopped): New method.
	(Scheduler.run): Don't re-schedule task if queue has been
	stopped.

From-SVN: r46994
---
 libjava/java/util/Timer.java | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

(limited to 'libjava/java/util')

diff --git a/libjava/java/util/Timer.java b/libjava/java/util/Timer.java
index 32c0bea..2c7197f 100644
--- a/libjava/java/util/Timer.java
+++ b/libjava/java/util/Timer.java
@@ -285,6 +285,14 @@ public class Timer
       this.notify();
     }
 
+    /**
+     * This method returns <code>true</code> if the queue has been
+     * stopped.
+     */
+    public synchronized boolean isStopped ()
+    {
+      return this.heap == null;
+    }
   }				// TaskQueue
 
   /**
@@ -337,8 +345,9 @@ public class Timer
 		}
 	    }
 
-	  // Calculate next time and possibly re-enqueue
-	  if (task.scheduled >= 0)
+	  // Calculate next time and possibly re-enqueue.
+	  // Don't bother re-scheduling if the queue has been stopped.
+	  if (! queue.isStopped () && task.scheduled >= 0)
 	    {
 	      if (task.fixed)
 		{
-- 
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