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+// io-hub - Modular Input/Output. {{{
+//
+// Copyright (C) 2013 Nicolas Schodet
+//
+// APBTeam:
+// Web: http://apbteam.org/
+// Email: team AT apbteam DOT org
+//
+// This program 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 2 of the License, or
+// (at your option) any later version.
+//
+// This program 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+//
+// }}}
+#include "fsm_queue.hh"
+
+FsmQueue::FsmQueue ()
+ : head_ (0), nb_ (0)
+{
+}
+
+void
+FsmQueue::post (Event e)
+{
+ ucoo::assert (nb_ < queue_size_);
+ int tail = (head_ + nb_) % queue_size_;
+ events_[tail] = e;
+ nb_++;
+}
+
+FsmQueue::Event
+FsmQueue::pop ()
+{
+ Event e;
+ ucoo::assert (nb_ > 0);
+ e = events_[head_];
+ nb_--;
+ head_ = (head_ + 1) % queue_size_;
+ return e;
+}
+