3 * Copyright 2007 Free Software Foundation, Inc.
5 * This file is part of GNU Radio
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 2, or (at your option)
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.
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.
21 #ifndef INCLUDED_MB_MSG_QUEUE_H
22 #define INCLUDED_MB_MSG_QUEUE_H
24 #include <mb_common.h>
25 //#include <omnithread.h> FIXME
28 * \brief priority queue for mblock messages
30 class mb_msg_queue : boost::noncopyable
32 // When empty both head and tail are zero.
37 bool empty_p() const { return head == 0; }
40 // omni_mutex d_mutex; FIXME
42 // FIXME add bitmap to indicate which queues are non-empty.
43 subq d_queue[MB_NPRI];
49 //! Insert \p msg into priority queue.
50 void insert(mb_message_sptr msg);
53 * \brief Delete highest pri message from the queue and return it.
54 * Returns equivalent of zero pointer if queue is empty.
56 mb_message_sptr get_highest_pri_msg();
59 #endif /* INCLUDED_MB_MSG_QUEUE_H */