Reference.java (clear): Set referent to null and synchronize.

2003-09-19  David Daney <ddaney@avtrex.com>

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

From-SVN: r71597

diff --git a/libjava/ChangeLog b/libjava/ChangeLog
index a7648b38e24b4bb9182e88260df7db4e611db327..4d5c52ec368cc36e47bde7420d1ac4c16d73144b 100644 (file)
--- a/libjava/ChangeLog
+++ b/libjava/ChangeLog
@@ -1,3 +1,8 @@
+2003-09-19  David Daney <ddaney@avtrex.com>
+
+       * java/lang/ref/Reference.java (clear): Set referent to null and
+       synchronize.
+
 2003-09-19  Michael Koch  <konqueror@gmx.de>
 
        * gnu/java/nio/NIODatagramSocket.java,

diff --git a/libjava/java/lang/ref/Reference.java b/libjava/java/lang/ref/Reference.java
index 2f6235e3ba851e1333c099a2d4cf6ee9d1b341fe..a6385a816174f92e78afeb104a2aa36bf13024d9 100644 (file)
--- 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;
+      }
   }
 
   /**