queue.h

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/*
 * Copyright (C) 2012 Sistemas Operativos - UTN FRBA. All rights reserved.
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef QUEUE_H_
#define QUEUE_H_
 
    #include "list.h"
 
    typedef struct {
        t_list* elements;
    } t_queue;
 
    t_queue *queue_create(void);
 
    void queue_destroy(t_queue *);
 
    void queue_destroy_and_destroy_elements(t_queue*, void(*element_destroyer)(void*));
 
    void queue_push(t_queue *, void *element);
 
    void *queue_pop(t_queue *);
 
    void *queue_peek(t_queue *);
 
    void queue_clean(t_queue *);
 
    void queue_clean_and_destroy_elements(t_queue *, void(*element_destroyer)(void*));
 
    int queue_size(t_queue *);
 
    bool queue_is_empty(t_queue *);
 
#endif /*QUEUE_H_*/