GNU Radio Manual and C++ API Reference  3.7.9.2
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null_sink.h
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1 /* -*- c++ -*- */
2 /*
3  * Copyright 2004,2010,2013 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
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12  * GNU Radio is distributed in the hope that it will be useful,
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15  * GNU General Public License for more details.
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21  */
22 
23 #ifndef INCLUDED_GR_NULL_SINK_H
24 #define INCLUDED_GR_NULL_SINK_H
25 
26 #include <gnuradio/blocks/api.h>
27 #include <gnuradio/sync_block.h>
28 #include <stddef.h> // size_t
29 
30 namespace gr {
31  namespace blocks {
32 
33  /*!
34  * \brief Bit bucket. Use as a termination point when a sink is
35  * required and we don't want to do anything real.
36  * \ingroup misc_blk
37  */
38  class BLOCKS_API null_sink : virtual public sync_block
39  {
40  public:
41  // gr::blocks::null_sink::sptr
42  typedef boost::shared_ptr<null_sink> sptr;
43 
44  /*!
45  * Build a null sink block.
46  *
47  * \param sizeof_stream_item size of the stream items in bytes.
48  */
49  static sptr make(size_t sizeof_stream_item);
50  };
51 
52  } /* namespace blocks */
53 } /* namespace gr */
54 
55 #endif /* INCLUDED_GR_NULL_SINK_H */
boost::shared_ptr< null_sink > sptr
Definition: null_sink.h:42
Include this header to use the message passing features.
Definition: logger.h:131
#define BLOCKS_API
Definition: gr-blocks/include/gnuradio/blocks/api.h:30
synchronous 1:1 input to output with historyOverride work to provide the signal processing implementa...
Definition: sync_block.h:37
Bit bucket. Use as a termination point when a sink is required and we don't want to do anything real...
Definition: null_sink.h:38