gr-fosphor/lib/fifo.h

50 lines
931 B
C++

/* -*- c++ -*- */
/*
* Copyright 2013-2021 Sylvain Munaut <tnt@246tNt.com>
*
* This file is part of gr-fosphor
*
* SPDX-License-Identifier: GPL-3.0-or-later
*/
#pragma once
#include <gnuradio/fosphor/api.h>
#include <gnuradio/gr_complex.h>
#include <gnuradio/thread/thread.h>
namespace gr {
namespace fosphor {
class GR_FOSPHOR_API fifo
{
private:
gr_complex *d_buf;
int d_len;
int d_rp;
int d_wp;
thread::mutex d_mutex;
thread::condition_variable d_cond_empty;
thread::condition_variable d_cond_full;
public:
fifo(int length);
~fifo();
int free();
int used();
int write_max_size();
gr_complex *write_prepare(int size, bool wait=true);
void write_commit(int size);
int read_max_size();
gr_complex *read_peek(int size, bool wait=true);
void read_discard(int size);
};
} // namespace fosphor
} // namespace gr