--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/runtime.h	Mon Aug 17 22:08:33 2009 -0700
@@ -0,0 +1,67 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Pymonkey.
+ *
+ * The Initial Developer of the Original Code is Mozilla.
+ * Portions created by the Initial Developer are Copyright (C) 2007
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   Atul Varma <atul@mozilla.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#ifndef PYM_RUNTIME_H
+#define PYM_RUNTIME_H
+
+#include <jsapi.h>
+#include <jsdhash.h>
+#include <Python.h>
+#include <pythread.h>
+
+#define PYM_SANITY_CHECK(runtime) \
+  if (PyThread_get_thread_ident() != runtime->thread) {               \
+    PyErr_SetString(PYM_error, "Function called from wrong thread"); \
+    return NULL; \
+  }
+
+#define PYM_ENSURE_RUNTIME_MATCH(runtime1, runtime2) \
+  if (runtime1 != runtime2) { \
+    PyErr_SetString(PyExc_ValueError, "JS runtime mismatch"); \
+    return NULL; \
+  }
+
+typedef struct {
+  PyObject_HEAD
+  JSRuntime *rt;
+  JSContext *cx;
+  JSDHashTable objects;
+  long thread;
+} PYM_JSRuntimeObject;
+
+extern PyTypeObject PYM_JSRuntimeType;
+
+#endif