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tpb_detail.h
Go to the documentation of this file.
/* -*- c++ -*- */
/*
* Copyright 2008,2009,2013 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#ifndef INCLUDED_GR_TPB_DETAIL_H
#define INCLUDED_GR_TPB_DETAIL_H
#include <gnuradio/api.h>
#include <gnuradio/thread/thread.h>
#include <pmt/pmt.h>
#include <deque>
namespace gr {
class block_detail;
/*!
* \brief used by thread-per-block scheduler
*/
struct GR_RUNTIME_API tpb_detail {
gr::thread::mutex mutex; //< protects all vars
bool input_changed;
gr::thread::condition_variable input_cond;
bool output_changed;
gr::thread::condition_variable output_cond;
public:
tpb_detail() : input_changed(false), output_changed(false) {}
//! Called by us to tell all our upstream blocks that their output
//! may have changed.
void notify_upstream(block_detail* d);
//! Called by us to tell all our downstream blocks that their
//! input may have changed.
void notify_downstream(block_detail* d);
//! Called by us to notify both upstream and downstream
void notify_neighbors(block_detail* d);
//! Called by pmt msg posters
void notify_msg()
{
gr::thread::scoped_lock guard(mutex);
input_changed = true;
input_cond.notify_one();
output_changed = true;
output_cond.notify_one();
}
//! Called by us
void clear_changed()
{
gr::thread::scoped_lock guard(mutex);
input_changed = false;
output_changed = false;
}
private:
//! Used by notify_downstream
void set_input_changed()
{
gr::thread::scoped_lock guard(mutex);
input_changed = true;
input_cond.notify_one();
}
//! Used by notify_upstream
void set_output_changed()
{
gr::thread::scoped_lock guard(mutex);
output_changed = true;
output_cond.notify_one();
}
};
} /* namespace gr */
#endif /* INCLUDED_GR_TPB_DETAIL_H */
gr::block_detail
Implementation details to support the signal processing abstraction.
Definition block_detail.h:36
api.h
GR_RUNTIME_API
#define GR_RUNTIME_API
Definition gnuradio-runtime/include/gnuradio/api.h:18
gr::thread::mutex
boost::mutex mutex
Definition thread.h:37
gr::thread::scoped_lock
boost::unique_lock< boost::mutex > scoped_lock
Definition thread.h:38
gr::thread::condition_variable
boost::condition_variable condition_variable
Definition thread.h:39
gr
GNU Radio logging wrapper.
Definition basic_block.h:29
pmt.h
gr::tpb_detail::tpb_detail
tpb_detail()
Definition tpb_detail.h:34
gr::tpb_detail::notify_downstream
void notify_downstream(block_detail *d)
Called by us to tell all our downstream blocks that their input may have changed.
gr::tpb_detail::clear_changed
void clear_changed()
Called by us.
Definition tpb_detail.h:58
gr::tpb_detail::notify_neighbors
void notify_neighbors(block_detail *d)
Called by us to notify both upstream and downstream.
gr::tpb_detail::mutex
gr::thread::mutex mutex
Definition tpb_detail.h:27
gr::tpb_detail::output_changed
bool output_changed
Definition tpb_detail.h:30
gr::tpb_detail::input_cond
gr::thread::condition_variable input_cond
Definition tpb_detail.h:29
gr::tpb_detail::input_changed
bool input_changed
Definition tpb_detail.h:28
gr::tpb_detail::notify_upstream
void notify_upstream(block_detail *d)
Called by us to tell all our upstream blocks that their output may have changed.
gr::tpb_detail::notify_msg
void notify_msg()
Called by pmt msg posters.
Definition tpb_detail.h:48
gr::tpb_detail::output_cond
gr::thread::condition_variable output_cond
Definition tpb_detail.h:31
thread.h