src/lib/message_queue.h
/*
* Queue implementation
*
* Author: Yasunobu Chiba
*
* Copyright (C) 2008-2013 NEC Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2, as
* published by the Free Software Foundation.
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MESSAGE_QUEUE_H
#define MESSAGE_QUEUE_H
#include "bool.h"
#include "buffer.h"
typedef struct message_queue_element {
buffer *data;
struct message_queue_element *next;
} message_queue_element;
typedef struct {
message_queue_element *head;
message_queue_element *divider;
message_queue_element *tail;
unsigned int length;
} message_queue;
message_queue *create_message_queue( void );
bool delete_message_queue( message_queue *queue );
bool enqueue_message( message_queue *queue, buffer *message );
buffer *dequeue_message( message_queue *queue );
buffer *peek_message( message_queue *queue );
void foreach_message_queue( message_queue *queue, void function( buffer *message, void *user_data ), void *user_data );
#endif // MESSAGE_QUEUE_H
/*
* Local variables:
* c-basic-offset: 2
* indent-tabs-mode: nil
* End:
*/