libosmocore  0.9.3
Osmocom core library
include/osmocom/core/timer.h
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00001 /*
00002  * (C) 2008, 2009 by Holger Hans Peter Freyther <zecke@selfish.org>
00003  * All Rights Reserved
00004  *
00005  * This program is free software; you can redistribute it and/or modify
00006  * it under the terms of the GNU General Public License as published by
00007  * the Free Software Foundation; either version 2 of the License, or
00008  * (at your option) any later version.
00009  *
00010  * This program is distributed in the hope that it will be useful,
00011  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013  * GNU General Public License for more details.
00014  *
00015  * You should have received a copy of the GNU General Public License along
00016  * with this program; if not, write to the Free Software Foundation, Inc.,
00017  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
00018  *
00019  */
00020 
00029 #pragma once
00030 
00031 #include <sys/time.h>
00032 
00033 #include <osmocom/core/linuxlist.h>
00034 #include <osmocom/core/linuxrbtree.h>
00035 
00053 struct osmo_timer_list {
00054         struct rb_node node;      
00055         struct llist_head list;   
00056         struct timeval timeout;   
00057         unsigned int active  : 1; 
00059         void (*cb)(void*);        
00060         void *data;               
00061 };
00062 
00067 void osmo_timer_add(struct osmo_timer_list *timer);
00068 
00069 void osmo_timer_schedule(struct osmo_timer_list *timer, int seconds, int microseconds);
00070 
00071 void osmo_timer_del(struct osmo_timer_list *timer);
00072 
00073 int osmo_timer_pending(struct osmo_timer_list *timer);
00074 
00075 int osmo_timer_remaining(const struct osmo_timer_list *timer,
00076                          const struct timeval *now,
00077                          struct timeval *remaining);
00078 /*
00079  * internal timer list management
00080  */
00081 struct timeval *osmo_timers_nearest(void);
00082 void osmo_timers_prepare(void);
00083 int osmo_timers_update(void);
00084 int osmo_timers_check(void);
00085