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Diffstat (limited to 'usrp2/host/lib/ring.h')
-rw-r--r-- | usrp2/host/lib/ring.h | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/usrp2/host/lib/ring.h b/usrp2/host/lib/ring.h deleted file mode 100644 index fd0ad0a9f..000000000 --- a/usrp2/host/lib/ring.h +++ /dev/null @@ -1,83 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2008,2010 Free Software Foundation, Inc. - * - * This file is part of GNU Radio - * - * GNU Radio is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 3, or (at your option) - * any later version. - * - * GNU Radio is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ -#ifndef INCLUDED_RING_H -#define INCLUDED_RING_H - -#include <stddef.h> -#include <vector> -#include <boost/shared_ptr.hpp> -#include <gruel/thread.h> - -namespace usrp2 { - - class ring; - typedef boost::shared_ptr<ring> ring_sptr; - - class ring - { - private: - - size_t d_max; - size_t d_read_ind; - size_t d_write_ind; - - struct ring_desc - { - void *d_base; - size_t d_len; - }; - std::vector<ring_desc> d_ring; - - gruel::mutex d_mutex; - gruel::condition_variable d_not_empty; - - void inc_read_ind() - { - if (d_read_ind + 1 >= d_max) - d_read_ind = 0; - else - d_read_ind = d_read_ind + 1; - } - - void inc_write_ind() - { - if (d_write_ind + 1 >= d_max) - d_write_ind = 0; - else - d_write_ind = d_write_ind + 1; - } - - bool empty() const { return d_read_ind == d_write_ind; } - bool full() const { return (d_write_ind+1)%d_max == d_read_ind; } - - public: - - ring(unsigned int entries); - - void wait_for_not_empty(); - - bool enqueue(void *p, size_t len); - bool dequeue(void **p, size_t *len); - }; - -} // namespace usrp2 - -#endif /* INCLUDED_RING_H */ |