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/* -*- c++ -*- */
/*
* Copyright 2008,2013 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.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "scheduler_sts.h"
#include "single_threaded_scheduler.h"
#include <gnuradio/thread/thread_body_wrapper.h>
namespace gr {
class sts_container
{
block_vector_t d_blocks;
public:
sts_container(block_vector_t blocks)
: d_blocks(blocks) {}
void operator()()
{
make_single_threaded_scheduler(d_blocks)->run();
}
};
scheduler_sptr
scheduler_sts::make(flat_flowgraph_sptr ffg, int max_noutput_items)
{
return scheduler_sptr(new scheduler_sts(ffg, max_noutput_items));
}
scheduler_sts::scheduler_sts(flat_flowgraph_sptr ffg, int max_noutput_items)
: scheduler(ffg, max_noutput_items)
{
// Split the flattened flow graph into discrete partitions, each
// of which is topologically sorted.
std::vector<basic_block_vector_t> graphs = ffg->partition();
// For each partition, create a thread to evaluate it using
// an instance of the gr_single_threaded_scheduler
for(std::vector<basic_block_vector_t>::iterator p = graphs.begin();
p != graphs.end(); p++) {
block_vector_t blocks = flat_flowgraph::make_block_vector(*p);
d_threads.create_thread(
gr::thread::thread_body_wrapper<sts_container>(sts_container(blocks),
"single-threaded-scheduler"));
}
}
scheduler_sts::~scheduler_sts()
{
stop();
}
void
scheduler_sts::stop()
{
d_threads.interrupt_all();
}
void
scheduler_sts::wait()
{
d_threads.join_all();
}
} /* namespace gr */
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