8274794: Print all owned locks in hs_err file

Reviewed-by: stuefe, dholmes

test/hotspot/jtreg/runtime/ErrorHandling/TestErrorFileMutex.java

@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2021, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+
+/*
+ * @test
+ * @bug 8274794
+ * @summary Test that locks are printed in the Error file.
+ * @library /test/lib
+ * @modules java.base/jdk.internal.misc
+ * @requires (vm.debug == true)
+ * @run driver TestErrorFileMutex
+ */
+
+import jdk.test.lib.process.OutputAnalyzer;
+import jdk.test.lib.process.ProcessTools;
+
+import java.io.*;
+import java.util.regex.Pattern;
+
+public class TestErrorFileMutex {
+
+  public static void do_test() throws Exception {
+
+    ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
+            "-Xmx64M",
+            "-XX:-CreateCoredumpOnCrash",
+            "-XX:ErrorHandlerTest=3",
+            "-version");
+
+    OutputAnalyzer output_detail = new OutputAnalyzer(pb.start());
+    output_detail.shouldMatch("# A fatal error has been detected by the Java Runtime Environment:.*");
+
+    File f = ErrorFileScanner.findHsErrorFileInOutput(output_detail);
+    System.out.println("Found hs error file at " + f.getAbsolutePath());
+
+    ErrorFileScanner.scanHsErrorFileForContent(f, new Pattern[] {
+            Pattern.compile("# *Internal Error.*"),
+            Pattern.compile(".*VM Mutexes/Monitors currently owned by a thread:.*"),
+            Pattern.compile(".*ErrorTest_lock - owner thread:.*"),
+            Pattern.compile(".*Threads_lock - owner thread:.*")
+    });
+  }
+
+  public static void main(String[] args) throws Exception {
+    do_test();
+  }
+
+}
+
+
+