/usr/include/kannel/gwlib/gw-prioqueue.h is in kannel-dev 1.4.4-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 | /* ====================================================================
* The Kannel Software License, Version 1.0
*
* Copyright (c) 2001-2014 Kannel Group
* Copyright (c) 1998-2001 WapIT Ltd.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Kannel Group (http://www.kannel.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Kannel" and "Kannel Group" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please
* contact org@kannel.org.
*
* 5. Products derived from this software may not be called "Kannel",
* nor may "Kannel" appear in their name, without prior written
* permission of the Kannel Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE KANNEL GROUP OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Kannel Group. For more information on
* the Kannel Group, please see <http://www.kannel.org/>.
*
* Portions of this software are based upon software originally written at
* WapIT Ltd., Helsinki, Finland for the Kannel project.
*/
/*
* gw-prioqueue.h - generic priority queue.
*
* Algorithm ala Robert Sedgewick.
*
* Alexander Malysh <olek2002 at hotmail.com>, 2004
*/
#ifndef GW_PRIOQUEUE_H
#define GW_PRIOQUEUE_H 1
typedef struct gw_prioqueue gw_prioqueue_t;
/**
* Create priority queue
* @cmp - compare function
* @return newly created priority queue
*/
gw_prioqueue_t *gw_prioqueue_create(int(*cmp)(const void*, const void *));
/**
* Destroy priority queue
* @queue - queue to destroy
* @item_destroy - item destructor
*/
void gw_prioqueue_destroy(gw_prioqueue_t *queue, void(*item_destroy)(void*));
/**
* Return priority queue length
* @queue - priority queue
* @return length of this priority queue
*/
long gw_prioqueue_len(gw_prioqueue_t *queue);
/**
* Insert item into the priority queue
* @queue - priority queue
* @item - to be inserted item
*/
void gw_prioqueue_insert(gw_prioqueue_t *queue, void *item);
#define gw_prioqueue_produce(queue, item) gw_prioqueue_insert(queue, item)
void gw_prioqueue_foreach(gw_prioqueue_t *queue, void(*fn)(const void *, long));
/**
* Remove biggest item from the priority queue, but not block if producers
* available and none items in the queue
* @queue - priority queue
* @return - biggest item or NULL if none items in the queue
*/
void *gw_prioqueue_remove(gw_prioqueue_t *queue);
/*
* Same as gw_prioqueue_remove, except that item is not removed from the
* priority queue
*/
void *gw_prioqueue_get(gw_prioqueue_t *queue);
/**
* Remove biggest item from the priority queue, but block if producers
* available and none items in the queue
* @queue - priority queue
* @return biggest item or NULL if none items and none producers in the queue
*/
void *gw_prioqueue_consume(gw_prioqueue_t *queue);
/**
* Add producer to the priority queue
* @queue - priority queue
*/
void gw_prioqueue_add_producer(gw_prioqueue_t *queue);
/**
* Remove producer from the priority queue
* @queue - priority queue
*/
void gw_prioqueue_remove_producer(gw_prioqueue_t *queue);
/**
* Return producer count for the priority queue
* @queue - priority queue
* @return producer count
*/
long gw_prioqueue_producer_count(gw_prioqueue_t *queue);
#endif
|