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/* -*- 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_MBI_RUNTIME_LOCK_H
#define INCLUDED_MBI_RUNTIME_LOCK_H
#include <mb_runtime.h>
#include <mb_mblock_impl.h>
#include <boost/utility.hpp>
/*!
* \brief acquire and release big runtime lock
*
* As an alternative to:
* {
* rt->lock();
* .....
* rt->unlock();
* }
*
* you can use a single instance of the mbi_runtime_lock class:
*
* {
* mbi_runtime_lock l(rt);
* ....
* }
*
* This has the advantage that rt->unlock() will be called automatically
* when an exception is thrown.
*/
class mbi_runtime_lock : boost::noncopyable {
mb_runtime_base *d_rt;
public:
mbi_runtime_lock(mb_runtime_base *rt) : d_rt(rt) { d_rt->lock(); }
mbi_runtime_lock(mb_mblock_impl *mi) : d_rt(mi->runtime()) { d_rt->lock(); }
mbi_runtime_lock(mb_mblock *mb) : d_rt(mb->impl()->runtime()) { d_rt->lock(); }
~mbi_runtime_lock(void) { d_rt->unlock(); }
};
#endif /* INCLUDED_MBI_RUNTIME_LOCK_H */
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