From 8c970a04e2a2223363c14af660cd53fcfa8a1cc0 Mon Sep 17 00:00:00 2001
From: tromey <tromey@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Sat, 20 Sep 2003 02:57:07 +0000
Subject: 2003-09-19  David Daney <ddaney@avtrex.com>

	* java/lang/ref/Reference.java (clear): Set referent to null and
	synchronize.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@71597 138bc75d-0d04-0410-961f-82ee72b054a4
---
 libjava/java/lang/ref/Reference.java | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'libjava/java')

diff --git a/libjava/java/lang/ref/Reference.java b/libjava/java/lang/ref/Reference.java
index 2f6235e3ba8..a6385a81617 100644
--- a/libjava/java/lang/ref/Reference.java
+++ b/libjava/java/lang/ref/Reference.java
@@ -176,7 +176,12 @@ public abstract class Reference
    */
   public void clear()
   {
-    cleared = true;
+    // Must synchronize so changes are visible in finalizer thread.
+    synchronized (lock)
+      {
+        referent = null;
+        cleared = true;
+      }
   }
 
   /**
-- 
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