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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_tpb.h"
+#include "tpb_thread_body.h"
+#include <gnuradio/thread/thread_body_wrapper.h>
+#include <sstream>
+
+namespace gr {
+
+ class tpb_container
+ {
+ block_sptr d_block;
+ int d_max_noutput_items;
+
+ public:
+ tpb_container(block_sptr block, int max_noutput_items)
+ : d_block(block), d_max_noutput_items(max_noutput_items) {}
+
+ void operator()()
+ {
+ tpb_thread_body body(d_block, d_max_noutput_items);
+ }
+ };
+
+ scheduler_sptr
+ scheduler_tpb::make(flat_flowgraph_sptr ffg, int max_noutput_items)
+ {
+ return scheduler_sptr(new scheduler_tpb(ffg, max_noutput_items));
+ }
+
+ scheduler_tpb::scheduler_tpb(flat_flowgraph_sptr ffg,
+ int max_noutput_items)
+ : scheduler(ffg, max_noutput_items)
+ {
+ // Get a topologically sorted vector of all the blocks in use.
+ // Being topologically sorted probably isn't going to matter, but
+ // there's a non-zero chance it might help...
+
+ basic_block_vector_t used_blocks = ffg->calc_used_blocks();
+ used_blocks = ffg->topological_sort(used_blocks);
+ block_vector_t blocks = flat_flowgraph::make_block_vector(used_blocks);
+
+ // Ensure that the done flag is clear on all blocks
+
+ for(size_t i = 0; i < blocks.size(); i++) {
+ blocks[i]->detail()->set_done(false);
+ }
+
+ // Fire off a thead for each block
+
+ for(size_t i = 0; i < blocks.size(); i++) {
+ std::stringstream name;
+ name << "thread-per-block[" << i << "]: " << blocks[i];
+
+ // If set, use internal value instead of global value
+ if(blocks[i]->is_set_max_noutput_items())
+ max_noutput_items = blocks[i]->max_noutput_items();
+
+ d_threads.create_thread(
+ gr::thread::thread_body_wrapper<tpb_container>
+ (tpb_container(blocks[i], max_noutput_items),
+ name.str()));
+ }
+ }
+
+ scheduler_tpb::~scheduler_tpb()
+ {
+ stop();
+ }
+
+ void
+ scheduler_tpb::stop()
+ {
+ d_threads.interrupt_all();
+ }
+
+ void
+ scheduler_tpb::wait()
+ {
+ d_threads.join_all();
+ }
+
+} /* namespace gr */