--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/io/PipedInputStream/WriterLoop.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,85 @@
+/*
+ * Copyright 2005 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/**
+ * @test
+ * @bug  6219755
+ * @summary Write end loops infinitely when the
+ *          buffer is full and the read end has closed.
+ */
+
+import java.io.*;
+
+public class WriterLoop extends Thread {
+
+    static PipedOutputStream out;
+    static PipedInputStream  in;
+
+    public void run() {
+        try {
+            System.out.println("Writer started.");
+
+            // without the fix, this test will hang at this point,
+            // i.e inside the call to write()
+            out.write(new byte[64*1024]);
+        } catch (Throwable e) {
+
+            // with the fix an IOException is caught
+            System.out.println("Writer exception:");
+            e.printStackTrace();
+        } finally {
+            System.out.println("Writer done.");
+        }
+    }
+
+    public static void main(String args[]) throws Exception {
+        in = new PipedInputStream();
+        out = new PipedOutputStream(in);
+        WriterLoop writer = new WriterLoop();
+        writer.start();
+
+        try {
+            System.out.println("Reader reading...");
+            in.read(new byte[2048]);
+
+            System.out.println("Reader closing stream...");
+            in.close();
+
+            System.out.println("Reader sleeping 3 seconds...");
+            Thread.sleep(3000);
+        } catch (Throwable e) {
+            System.out.println("Reader exception:");
+            e.printStackTrace();
+        } finally {
+            System.out.println("Active threads:");
+            Thread[] threads = new Thread[Thread.activeCount()];
+            Thread.enumerate(threads);
+            for (int i = 0; i < threads.length; i++) {
+                System.out.println("  " + threads[i]);
+            }
+            System.out.println("Waiting for writer...");
+            writer.join();
+            System.out.println("Done.");
+        }
+    }
+}