queue.h
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/**
* \file
* Holds requests ready for processing.
*
* \todo change this to a real queue.
*
* \author Georg Hopp
*
* \copyright
* Copyright © 2012 Georg Hopp
*
* 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 <sys/types.h>
#include "class.h"
#include "commons.h"
CLASS(Queue) {
void * msg;
Queue next;
/**
* first and last are only available in the initial queue
* element (the root). This elelment does not contain any message
* and exists only for organizational purpose.
*/
Queue first;
Queue last;
size_t nmsg;
};
void queuePut(Queue, void *);
void * queueGet(Queue);
#define queueEmpty(this) (0 >= (this)->nmsg)
#endif // __QUEUE_H__
// vim: set ts=4 sw=4: