openbox lab initialized

openflow/usr/include/quagga/pqueue.h

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+/* Priority queue functions.
+   Copyright (C) 2003 Yasuhiro Ohara
+
+This file is part of GNU Zebra.
+
+GNU Zebra 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, or (at your
+option) any later version.
+
+GNU Zebra 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 GNU Zebra; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+#ifndef _ZEBRA_PQUEUE_H
+#define _ZEBRA_PQUEUE_H
+
+struct pqueue
+{
+  void **array;
+  int array_size;
+  int size;
+
+  int (*cmp) (void *, void *);
+  void (*update) (void * node, int actual_position);
+};
+
+#define PQUEUE_INIT_ARRAYSIZE  32
+
+extern struct pqueue *pqueue_create (void);
+extern void pqueue_delete (struct pqueue *queue);
+
+extern void pqueue_enqueue (void *data, struct pqueue *queue);
+extern void *pqueue_dequeue (struct pqueue *queue);
+extern void pqueue_remove_at (int index, struct pqueue *queue);
+
+extern void trickle_down (int index, struct pqueue *queue);
+extern void trickle_up (int index, struct pqueue *queue);
+
+#endif /* _ZEBRA_PQUEUE_H */