1 files changed, 55 insertions, 0 deletions
diff --git a/src/nativewindow/classes/jogamp/nativewindow/NullToolkitLock.java b/src/nativewindow/classes/jogamp/nativewindow/NullToolkitLock.java
new file mode 100644
index 000000000..db4db1126
--- /dev/null
+++ b/src/nativewindow/classes/jogamp/nativewindow/NullToolkitLock.java
@@ -0,0 +1,55 @@
+/**
+ * Copyright 2010 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ *    1. Redistributions of source code must retain the above copyright notice, this list of
+ *       conditions and the following disclaimer.
+ *
+ *    2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *       of conditions and the following disclaimer in the documentation and/or other materials
+ *       provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of JogAmp Community.
+ */
+
+package com.jogamp.nativewindow.impl;
+
+import javax.media.nativewindow.ToolkitLock;
+
+/**
+ * Implementing a singleton global recursive {@link javax.media.nativewindow.ToolkitLock}
+ * without any locking. Since there is no locking it all,
+ * it is intrinsically recursive.
+ */
+public class NullToolkitLock implements ToolkitLock {
+
+    /** Singleton via {@link NativeWindowFactoryImpl#getNullToolkitLock()} */
+    protected NullToolkitLock() { }
+    
+    public final void lock() {
+        if(TRACE_LOCK) {
+            String msg = "NullToolkitLock.lock()";
+            System.err.println(msg);
+            // Throwable t = new Throwable(msg);
+            // t.printStackTrace();
+        }
+    }
+
+    public final void unlock() {
+        if(TRACE_LOCK) { System.err.println("NullToolkitLock.unlock()"); }
+    }
+}