src/modules/pike/timer.h
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 /*
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  * Copyright (C) 2001-2003 FhG Fokus
  *
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  * This file is part of Kamailio, a free SIP server.
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  *
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  * Kamailio is free software; you can redistribute it and/or modify
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  * 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
  *
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  * Kamailio is distributed in the hope that it will be useful,
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  * 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.
  *
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  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
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  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
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  *
  *
  */
 
 
 #ifndef _PIKE_TIMER_H
 #define _PIKE_TIMER_H
 
 
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 typedef struct pike_list_link {
 	struct pike_list_link *next;
 	struct pike_list_link *prev;
 } pike_list_link_t;
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 #define has_timer_set(_ll) \
 	((_ll)->prev || (_ll)->next)
 
 #define is_list_empty(_head) \
 	((_head)->next == (_head))
 
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 #define update_in_timer(_head, _ll) \
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 	do { \
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 		remove_from_timer(_head, _ll);\
 		append_to_timer(_head, _ll); \
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 	}while(0)
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 void append_to_timer(pike_list_link_t *head, pike_list_link_t *ll);
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 void remove_from_timer(pike_list_link_t *head, pike_list_link_t *ll);
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 void check_and_split_timer(pike_list_link_t *head, unsigned int time,
 		pike_list_link_t *split, unsigned char *mask);
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 #endif