Initial load

1 files changed, 57 insertions, 0 deletions

diff --git a/src/share/demo/jvmti/heapTracker/HeapTracker.java b/src/share/demo/jvmti/heapTracker/HeapTracker.java
new file mode 100644
index 0000000000..9e2336abad
--- /dev/null
+++ b/src/share/demo/jvmti/heapTracker/HeapTracker.java
@@ -0,0 +1,57 @@
+/*
+ * Copyright 2004 Sun Microsystems, Inc.  All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *   - Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *
+ *   - 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.
+ *
+ *   - Neither the name of Sun Microsystems nor the names of its
+ *     contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT OWNER 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.
+ */
+
+
+/* Java class to hold static methods which will be called in byte code
+ *    injections of all class files.
+ */
+
+public class HeapTracker {
+
+    private static int engaged = 0;
+
+    private static native void _newobj(Object thread, Object o);
+    public static void newobj(Object o)
+    {
+        if ( engaged != 0 ) {
+            _newobj(Thread.currentThread(), o);
+        }
+    }
+
+    private static native void _newarr(Object thread, Object a);
+    public static void newarr(Object a)
+    {
+        if ( engaged != 0 ) {
+            _newarr(Thread.currentThread(), a);
+        }
+    }
+
+}