Initial load
diff --git a/test/java/io/BufferedReader/ReadLineSync.java b/test/java/io/BufferedReader/ReadLineSync.java
new file mode 100644
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+++ b/test/java/io/BufferedReader/ReadLineSync.java
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+/*
+ * 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 5073414
+ * @summary Ensure that there is no race condition in BufferedReader.readLine()
+ * when a line is terminated by '\r\n' is read by multiple threads.
+ */
+
+import java.io.*;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
+public class ReadLineSync {
+
+ public static int lineCount = 0;
+
+ public static void main( String[] args ) throws Exception {
+
+ String dir = System.getProperty(".", ".");
+ File f = new File(dir, "test.txt");
+ createFile(f);
+ f.deleteOnExit();
+
+ BufferedReader reader = new BufferedReader(
+ new FileReader(f));
+ int threadCount = 2;
+
+ ExecutorService es = Executors.newFixedThreadPool(threadCount);
+
+ for (int i=0; i < threadCount; i++)
+ es.execute(new BufferedReaderConsumer(reader));
+
+ // Wait for the tasks to complete
+ es.shutdown();
+ while (!es.awaitTermination(60, TimeUnit.SECONDS));
+ }
+
+ static class BufferedReaderConsumer extends Thread {
+ BufferedReader reader;
+
+ public BufferedReaderConsumer( BufferedReader reader ) {
+ this.reader = reader;
+ }
+
+ public void run() {
+ try {
+ String record = reader.readLine();
+
+ if ( record == null ) {
+ // if the first thread is too fast the second will hit
+ // this which is ok
+ System.out.println( "File already finished" );
+ return;
+ }
+
+ if ( record.length() == 0 ) {
+ // usually it comes out here indicating the first read
+ // done by the second thread to run failed
+ System.out.println("Empty string on first read." +
+ Thread.currentThread().getName() );
+ }
+
+ while ( record != null ) {
+ lineCount++;
+
+ // Verify the token count
+ if ( record.length() == 0 ) {
+ // very occasionally it will fall over here
+ throw new Exception( "Invalid tokens with string '" +
+ record + "' on line " + lineCount );
+ }
+ record = reader.readLine();
+ }
+ }
+ catch ( Exception e ) {
+ e.printStackTrace();
+ }
+ }
+ }
+
+
+ // Create a relatively big file
+
+ private static void createFile(File f) throws IOException {
+ BufferedWriter w = new BufferedWriter(
+ new FileWriter(f));
+ int count = 10000;
+ while (count > 0) {
+
+ w.write("abcd \r\n");
+ w.write("efg \r\n");
+ w.write("hijk \r\n");
+ w.write("lmnop \r\n");
+ w.write("qrstuv \r\n");
+ w.write("wxy and z \r\n");
+ w.write("now you \r\n");
+ w.write("know your \r\n");
+ w.write("abc \r\n");
+ w.write("next time \r\n");
+ w.write("want you \r\n");
+ w.write("sing with me \r\n");
+
+ count--;
+ }
+ w.close();
+ }
+}