73 lines
2.0 KiB
C
73 lines
2.0 KiB
C
/*
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* (C) 2008, 2009 by Holger Hans Peter Freyther <zecke@selfish.org>
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* All Rights Reserved
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*
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* This program 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
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*/
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#ifndef TIMER_H
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#define TIMER_H
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#include <sys/time.h>
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#include "linuxlist.h"
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/**
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* Timer management:
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* - Create a struct timer_list
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* - Fill out timeout and use add_timer or
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* use schedule_timer to schedule a timer in
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* x seconds and microseconds from now...
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* - Use del_timer to remove the timer
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*
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* Internally:
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* - We hook into select.c to give a timeval of the
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* nearest timer. On already passed timers we give
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* it a 0 to immediately fire after the select
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* - update_timers will call the callbacks and remove
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* the timers.
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*
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*/
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struct timer_list {
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struct llist_head entry;
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struct timeval timeout;
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unsigned int active : 1;
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unsigned int handled : 1;
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unsigned int in_list : 1;
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void (*cb)(void*);
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void *data;
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};
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/**
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* timer management
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*/
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void bsc_add_timer(struct timer_list *timer);
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void bsc_schedule_timer(struct timer_list *timer, int seconds, int microseconds);
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void bsc_del_timer(struct timer_list *timer);
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int bsc_timer_pending(struct timer_list *timer);
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/**
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* internal timer list management
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*/
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struct timeval *bsc_nearest_timer();
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void bsc_prepare_timers();
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int bsc_update_timers();
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int bsc_timer_check(void);
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#endif
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