GNU Radio Manual and C++ API Reference 3.8.5.0
The Free & Open Software Radio Ecosystem
 
Loading...
Searching...
No Matches
tpb_detail.h
Go to the documentation of this file.
1/* -*- c++ -*- */
2/*
3 * Copyright 2008,2009,2013 Free Software Foundation, Inc.
4 *
5 * This file is part of GNU Radio
6 *
7 * GNU Radio is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3, or (at your option)
10 * any later version.
11 *
12 * GNU Radio is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20 */
21
22#ifndef INCLUDED_GR_TPB_DETAIL_H
23#define INCLUDED_GR_TPB_DETAIL_H
24
25#include <gnuradio/api.h>
27#include <pmt/pmt.h>
28#include <deque>
29
30namespace gr {
31
32class block_detail;
33
34/*!
35 * \brief used by thread-per-block scheduler
36 */
38 gr::thread::mutex mutex; //< protects all vars
43
44public:
45 tpb_detail() : input_changed(false), output_changed(false) {}
46
47 //! Called by us to tell all our upstream blocks that their output
48 //! may have changed.
50
51 //! Called by us to tell all our downstream blocks that their
52 //! input may have changed.
54
55 //! Called by us to notify both upstream and downstream
57
58 //! Called by pmt msg posters
60 {
61 gr::thread::scoped_lock guard(mutex);
62 input_changed = true;
63 input_cond.notify_one();
64 output_changed = true;
65 output_cond.notify_one();
66 }
67
68 //! Called by us
70 {
71 gr::thread::scoped_lock guard(mutex);
72 input_changed = false;
73 output_changed = false;
74 }
75
76private:
77 //! Used by notify_downstream
78 void set_input_changed()
79 {
80 gr::thread::scoped_lock guard(mutex);
81 input_changed = true;
82 input_cond.notify_one();
83 }
84
85 //! Used by notify_upstream
86 void set_output_changed()
87 {
88 gr::thread::scoped_lock guard(mutex);
89 output_changed = true;
90 output_cond.notify_one();
91 }
92};
93
94} /* namespace gr */
95
96#endif /* INCLUDED_GR_TPB_DETAIL_H */
Implementation details to support the signal processing abstraction.
Definition block_detail.h:45
#define GR_RUNTIME_API
Definition gnuradio-runtime/include/gnuradio/api.h:30
boost::mutex mutex
Definition thread.h:48
boost::unique_lock< boost::mutex > scoped_lock
Definition thread.h:49
boost::condition_variable condition_variable
Definition thread.h:50
GNU Radio logging wrapper for log4cpp library (C++ port of log4j)
Definition basic_block.h:46
used by thread-per-block scheduler
Definition tpb_detail.h:37
tpb_detail()
Definition tpb_detail.h:45
void notify_downstream(block_detail *d)
Called by us to tell all our downstream blocks that their input may have changed.
void clear_changed()
Called by us.
Definition tpb_detail.h:69
void notify_neighbors(block_detail *d)
Called by us to notify both upstream and downstream.
gr::thread::mutex mutex
Definition tpb_detail.h:38
bool output_changed
Definition tpb_detail.h:41
gr::thread::condition_variable input_cond
Definition tpb_detail.h:40
bool input_changed
Definition tpb_detail.h:39
void notify_upstream(block_detail *d)
Called by us to tell all our upstream blocks that their output may have changed.
void notify_msg()
Called by pmt msg posters.
Definition tpb_detail.h:59
gr::thread::condition_variable output_cond
Definition tpb_detail.h:42