--- /dev/null	2017-12-22 23:59:38.986515101 -0500
+++ new/src/java.base/windows/classes/jdk/internal/vm/VMSupportImpl.java	2018-01-11 13:32:27.755892840 -0500
@@ -0,0 +1,90 @@
+/*
+ * Copyright (c) 2018, 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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.
+ */
+package jdk.internal.vm;
+
+import java.io.*;
+import java.util.*;
+
+/*
+ * Operating System specific version of support class used by 
+ * JVMTI and VM attach mechanism.
+ */
+public class VMSupportImpl {
+    public static final String tmpDirName;
+
+    static {
+        /*
+         * For this to work, the target VM and this code need to use
+         * the same directory. Instead of guessing which directory the
+         * VM is using, we will ask.
+         */
+        String tmpdir = VMSupport.getVMTemporaryDirectory();
+
+        /*
+         * Assure that the string returned has a trailing File.separator
+         * character. This check was added because the Linux implementation
+         * changed such that the java.io.tmpdir string no longer terminates
+         * with a File.separator character.
+         */
+        if (tmpdir.lastIndexOf(File.separator) != (tmpdir.length()-1)) {
+            tmpdir = tmpdir + File.separator;
+        }
+        tmpDirName = tmpdir;
+    }
+
+    /*
+     * Return a list of the temporary directories that the VM uses
+     * for the attach and perf data files.  This function returns
+     * the traditional temp directory in addition to any paths
+     * accessible by the host which map to temp directories used
+     * by containers. The container functionality is only currently
+     * supported on Linux platforms.
+     *
+     * It is important that this directory is well-known and the
+     * same for all VM instances. It cannot be affected by configuration
+     * variables such as java.io.tmpdir.
+     */
+    public static String[] getTemporaryDirectories(int vmid) {
+        // Add the default temporary directory only
+        List<String> v = new ArrayList<>();
+        v.add(tmpDirName);
+        return v.toArray(new String[v.size()]);
+    }
+
+    /*
+     * Extract the host PID from a file path.
+     */
+    public static int getLocalVmId(File file) throws NumberFormatException {
+        return Integer.parseInt(file.getName());
+    }
+
+    /*
+     * Return the inner most namespaced PID if there is one,
+     * otherwise return the original PID.
+     */
+    public static int getNamespaceVmId(int pid) {
+        return pid;
+    }
+}