--- /dev/null
+/* -*- c++ -*- */
+/*
+ * Copyright 2007 Free Software Foundation, Inc.
+ *
+ * This file is part of GNU Radio
+ *
+ * GNU Radio is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ *
+ * GNU Radio 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 for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#ifndef INCLUDED_MB_RUNTIME_NOP_H
+#define INCLUDED_MB_RUNTIME_NOP_H
+
+#include <mb_runtime_base.h>
+
+/*!
+ * \brief Public constructor (factory) for mb_runtime_nop objects.
+ */
+mb_runtime_sptr mb_make_runtime_nop();
+
+/*!
+ * \brief Concrete runtime that does nothing. Used only during early QA tests.
+ */
+class mb_runtime_nop : public mb_runtime_base
+{
+public:
+ mb_runtime_nop();
+ ~mb_runtime_nop();
+
+ bool run(const std::string &instance_name,
+ const std::string &class_name,
+ pmt_t user_arg,
+ pmt_t *result);
+
+protected:
+ mb_mblock_sptr
+ create_component(const std::string &instance_name,
+ const std::string &class_name,
+ pmt_t user_arg);
+};
+
+#endif /* INCLUDED_MB_RUNTIME_NOP_H */