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/* -*- c++ -*- */
/*
* Copyright 2006 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 2, 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_H
#define INCLUDED_MB_RUNTIME_H
#include <mb_common.h>
#include <omnithread.h>
/*!
* \brief Public constructor (factory) for mb_runtime objects.
*/
mb_runtime_sptr mb_make_runtime();
/*!
* \brief Abstract runtime support for m-blocks
*
* There should generally be only a single instance of this class.
*/
class mb_runtime : boost::noncopyable,
public boost::enable_shared_from_this<mb_runtime>
{
omni_mutex d_brl; // big runtime lock (avoid using this if possible...)
public:
mb_runtime(){}
virtual ~mb_runtime();
/*!
* \brief Run the mblock hierarchy rooted at \p top
*
* This routine turns into the m-block scheduler, and
* blocks until the system is shutdown.
*
* \param top top-level mblock
* \returns true if the system ran successfully.
*/
virtual bool run(mb_mblock_sptr top) = 0;
// ----------------------------------------------------------------
// Stuff from here down is really private to the implementation...
// ----------------------------------------------------------------
/*!
* \brief lock the big runtime lock
* \implementation
*/
inline void lock() { d_brl.lock(); }
/*!
* \brief unlock the big runtime lock
* \implementation
*/
inline void unlock() { d_brl.unlock(); }
};
#endif /* INCLUDED_MB_RUNTIME_H */
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