--- /dev/null	2018-10-22 10:45:30.000000000 -0400
+++ new/src/jdk.packager/share/native/library/common/Lock.cpp	2018-10-22 10:45:28.161362400 -0400
@@ -0,0 +1,91 @@
+/*
+ * Copyright (c) 2014, 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.
+ */
+
+#include "Lock.h"
+
+
+Lock::Lock(void) {
+    Initialize();
+}
+
+Lock::Lock(bool Value) {
+    Initialize();
+
+    if (Value == true) {
+        Enter();
+    }
+}
+
+void Lock::Initialize() {
+#ifdef WINDOWS
+    InitializeCriticalSectionAndSpinCount(&FCriticalSection, 0x00000400);
+#endif // WINDOWS
+#ifdef MAC
+    // FMutex =  PTHREAD_RECURSIVE_MUTEX_INITIALIZER;
+#endif // MAC
+#ifdef LINUX
+    // FMutex =  PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
+#endif // LINUX
+}
+
+Lock::~Lock(void) {
+#ifdef WINDOWS
+    DeleteCriticalSection(&FCriticalSection);
+#endif // WINDOWS
+#ifdef POSIX
+    pthread_mutex_unlock(&FMutex);
+#endif // POSIX
+}
+
+void Lock::Enter() {
+#ifdef WINDOWS
+    EnterCriticalSection(&FCriticalSection);
+#endif // WINDOWS
+#ifdef POSIX
+    pthread_mutex_lock(&FMutex);
+#endif // POSIX
+}
+
+void Lock::Leave() {
+#ifdef WINDOWS
+    LeaveCriticalSection(&FCriticalSection);
+#endif // WINDOWS
+#ifdef POSIX
+    pthread_mutex_unlock(&FMutex);
+#endif // POSIX
+}
+
+bool Lock::TryEnter() {
+    bool result = false;
+#ifdef WINDOWS
+    if (TryEnterCriticalSection (&FCriticalSection) != 0)
+        result = true;
+#endif // WINDOWS
+#ifdef POSIX
+    if (pthread_mutex_lock(&FMutex) == 0)
+        result = true;
+#endif // POSIX
+    return result;
+}