--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/druntime/src/gc/basic/gcstats.d	Tue Nov 11 01:52:37 2008 +0100
@@ -0,0 +1,40 @@
+/**
+ * This module contains garbage collector statistics functionality.
+ *
+ * Copyright: Copyright (C) 2005-2006 Digital Mars, www.digitalmars.com.
+ *            All rights reserved.
+ * License:
+ *  This software is provided 'as-is', without any express or implied
+ *  warranty. In no event will the authors be held liable for any damages
+ *  arising from the use of this software.
+ *
+ *  Permission is granted to anyone to use this software for any purpose,
+ *  including commercial applications, and to alter it and redistribute it
+ *  freely, in both source and binary form, subject to the following
+ *  restrictions:
+ *
+ *  o  The origin of this software must not be misrepresented; you must not
+ *     claim that you wrote the original software. If you use this software
+ *     in a product, an acknowledgment in the product documentation would be
+ *     appreciated but is not required.
+ *  o  Altered source versions must be plainly marked as such, and must not
+ *     be misrepresented as being the original software.
+ *  o  This notice may not be removed or altered from any source
+ *     distribution.
+ * Authors:   Walter Bright, Sean Kelly
+ */
+
+module gc.gcstats;
+
+
+/**
+ *
+ */
+struct GCStats
+{
+    size_t poolsize;        // total size of pool
+    size_t usedsize;        // bytes allocated
+    size_t freeblocks;      // number of blocks marked FREE
+    size_t freelistsize;    // total of memory on free lists
+    size_t pageblocks;      // number of blocks marked PAGE
+}