93 lines
2.4 KiB
C++
93 lines
2.4 KiB
C++
/* -*- c++ -*- */
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/*
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* Copyright 2008,2009,2013 Free Software Foundation, Inc.
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*
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* This file is part of GNU Radio
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*
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* GNU Radio is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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* GNU Radio is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef INCLUDED_GR_TPB_DETAIL_H
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#define INCLUDED_GR_TPB_DETAIL_H
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#include <gnuradio/api.h>
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#include <gnuradio/thread/thread.h>
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#include <deque>
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namespace gr {
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class block_detail;
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/*!
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* \brief used by thread-per-block scheduler
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*/
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struct GR_RUNTIME_API tpb_detail {
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gr::thread::mutex mutex; //< protects all vars
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bool input_changed;
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gr::thread::condition_variable input_cond;
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bool output_changed;
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gr::thread::condition_variable output_cond;
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public:
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tpb_detail()
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: input_changed(false), output_changed(false) { }
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//! Called by us to tell all our upstream blocks that their output
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//! may have changed.
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void notify_upstream(block_detail *d);
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//! Called by us to tell all our downstream blocks that their
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//! input may have changed.
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void notify_downstream(block_detail *d);
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//! Called by us to notify both upstream and downstream
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void notify_neighbors(block_detail *d);
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//! Called by pmt msg posters
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void notify_msg() {
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input_cond.notify_one();
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output_cond.notify_one();
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}
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//! Called by us
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void clear_changed()
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{
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gr::thread::scoped_lock guard(mutex);
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input_changed = false;
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output_changed = false;
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}
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private:
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//! Used by notify_downstream
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void set_input_changed()
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{
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gr::thread::scoped_lock guard(mutex);
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input_changed = true;
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input_cond.notify_one();
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}
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//! Used by notify_upstream
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void set_output_changed()
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{
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gr::thread::scoped_lock guard(mutex);
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output_changed = true;
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output_cond.notify_one();
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}
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};
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} /* namespace gr */
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#endif /* INCLUDED_GR_TPB_DETAIL_H */
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