modules/pike/timer.h

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/* 
 * $Id: timer.h 4518 2008-07-28 15:39:28Z henningw $
 *
 * Copyright (C) 2001-2003 FhG Fokus
 *
 * This file is part of Kamailio, a free SIP server.
 *
 * Kamailio 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 2 of the License, or
 * (at your option) any later version
 *
 * Kamailio 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * History:
 * --------
 *
 */


#ifndef _PIKE_TIMER_H
#define _PIKE_TIMER_H


struct list_link {
   struct list_link *next;
   struct list_link *prev;
};


#define has_timer_set(_ll) \
   ((_ll)->prev || (_ll)->next)

#define is_list_empty(_head) \
   ((_head)->next == (_head))

#define update_in_timer( _head, _ll) \
   do { \
      remove_from_timer( _head, _ll);\
      append_to_timer( _head, _ll); \
   }while(0)


void append_to_timer(struct list_link *head, struct list_link *ll );

void remove_from_timer(struct list_link *head, struct list_link *ll);

void check_and_split_timer(struct list_link *head, unsigned int time,
      struct list_link *split, unsigned char *mask);


#endif