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//
// Copyright 2012 Josh Blum
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#ifndef INCLUDED_GNURADIO_TOP_BLOCK_HPP
#define INCLUDED_GNURADIO_TOP_BLOCK_HPP
#include <gnuradio/hier_block.hpp>
namespace gnuradio
{
struct GRAS_API GlobalBlockConfig
{
GlobalBlockConfig(void);
/*!
* Constrain the maximum number of items that
* work can be called with for all output ports.
*
* Default = 0 aka disabled.
*/
size_t maximum_output_items;
/*!
* Set the global memory node affinity.
* Blocks that have not been explicitly set,
* will take on this new buffer_affinity.
*
* Default = -1 aka no affinity.
*/
long buffer_affinity;
};
struct GRAS_API TopBlock : HierBlock
{
TopBlock(void);
TopBlock(const std::string &name);
//! Get the global block config settings
GlobalBlockConfig global_config(void) const;
//! Set the global block config settings
void set_global_config(const GlobalBlockConfig &config);
/*!
* Commit changes to the overall flow graph.
* Call this after modifying connections.
* Commit is called automatically by start/stop/run.
*/
void commit(void);
/*!
* Run is for finite flow graph executions.
* Mostly for testing purposes only.
*/
void run(void);
//! Start a flow graph execution (does not block)
void start(void);
//! Stop a flow graph execution (does not block)
void stop(void);
/*!
* Wait for threads to exit after stop() or run().
* This is a blocking call and will not return until
* all blocks in the topology have been marked done.
*/
virtual void wait(void);
/*!
* Wait for threads to exit after stop() or run().
* This is call will block until timeout or done.
*
* \param timeout the timeout in seconds
* \return true of execution completed
*/
virtual bool wait(const double timeout);
};
} //namespace gnuradio
#endif /*INCLUDED_GNURADIO_TOP_BLOCK_HPP*/
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