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- /*
- * ccache_queue.h -
- *
- * Mark Peterson 9/91
- *
- * $Id: ccache_queue.h,v 1.6 1995/01/10 16:30:22 hardy Exp $
- *
- * ----------------------------------------------------------------------
- * Copyright (c) 1994, 1995. All rights reserved.
- *
- * Mic Bowman of Transarc Corporation.
- * Peter Danzig of the University of Southern California.
- * Darren R. Hardy of the University of Colorado at Boulder.
- * Udi Manber of the University of Arizona.
- * Michael F. Schwartz of the University of Colorado at Boulder.
- *
- * This copyright notice applies to all code in Harvest other than
- * subsystems developed elsewhere, which contain other copyright notices
- * in their source text.
- *
- * The Harvest software was developed by the Internet Research Task
- * Force Research Group on Resource Discovery (IRTF-RD). The Harvest
- * software may be used for academic, research, government, and internal
- * business purposes without charge. If you wish to sell or distribute
- * the Harvest software to commercial clients or partners, you must
- * license the software. See
- * http://harvest.cs.colorado.edu/harvest/copyright,licensing.html#licensing.
- *
- * The Harvest software is provided ``as is'', without express or
- * implied warranty, and with no support nor obligation to assist in its
- * use, correction, modification or enhancement. We assume no liability
- * with respect to the infringement of copyrights, trade secrets, or any
- * patents, and are not responsible for consequential damages. Proper
- * use of the Harvest software is entirely the responsibility of the user.
- *
- * For those who are using Harvest for non-commercial purposes, you may
- * make derivative works, subject to the following constraints:
- *
- * - You must include the above copyright notice and these accompanying
- * paragraphs in all forms of derivative works, and any documentation
- * and other materials related to such distribution and use acknowledge
- * that the software was developed at the above institutions.
- *
- * - You must notify IRTF-RD regarding your distribution of the
- * derivative work.
- *
- * - You must clearly notify users that your are distributing a modified
- * version and not the original Harvest software.
- *
- * - Any derivative product is also subject to the restrictions of the
- * copyright, including distribution and use limitations.
- */
- #ifndef _CCACHE_QUEUE_H_
- #define _CCACHE_QUEUE_H_
-
- #include "ccache_list.h"
-
- typedef List_Node Queue_Node; /*Define a Queue node same as a List node. */
- typedef Linked_List Queue; /*Define a Queue header same as a List header.*/
-
- /* **The queue toolkit contains: */
-
- Queue *queue_create(); /*initialize queue header block */
- void queue_destroy(); /*destory queue header block */
- Boolean enqueue(); /*insert a new node at the end of the queue */
- Datum *dequeue(); /*delete a node from the head of the queue */
- Boolean queue_apply(); /*apply a function to each node in the queue */
- Boolean queue_empty(); /*is the queue empty? */
-
- /*Special functions designed for use in a priority timer queue. */
- /*For use specifically with the time_it.h package. */
- Boolean tenqueue(); /*Enqueue's a timer value. */
- int tdequeue(); /*Dequeue's a timer value. */
- Datum *head();
-
- #define queue_length(q_head) ((q_head)->count)
- /*Return the number of items in the queue. */
-
- #endif
-