* java/awt/EventQueue.java (isDispatchThread): Do check on top of stack. (push): Make sure push is performed at the top of the thread stack.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@75820 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 16 insertions, 2 deletions

diff --git a/libjava/java/awt/EventQueue.java b/libjava/java/awt/EventQueue.java
index 45dc9713b6e..d20edbc13b0 100644
--- a/libjava/java/awt/EventQueue.java
+++ b/libjava/java/awt/EventQueue.java
@@ -269,12 +269,17 @@ public class EventQueue
   }
 
   /**
-   * Return true if the current thread is the AWT event dispatch
+   * Return true if the current thread is the current AWT event dispatch
    * thread.
    */
   public static boolean isDispatchThread()
   {
-    EventQueue eq = Toolkit.getDefaultToolkit().getSystemEventQueue(); 
+    EventQueue eq = Toolkit.getDefaultToolkit().getSystemEventQueue();
+    
+    /* Find last EventQueue in chain */ 
+    while (eq.next != null)
+      eq = eq.next;
+
     return (Thread.currentThread() == eq.dispatchThread);
   }
 
@@ -306,6 +311,15 @@ public class EventQueue
     if (newEventQueue == null)
       throw new NullPointerException ();
 
+    /* Make sure we are at the top of the stack because callers can
+       only get a reference to the one at the bottom using
+       Toolkit.getDefaultToolkit().getSystemEventQueue() */
+    if (next != null)
+      {
+        next.push (newEventQueue);
+        return;
+      }
+
     int i = next_out;
     while (i != next_in)
       {